The Best JavaScript Developers in London

Looking for a top JavaScript developer in London?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.

To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.

List of the Best London JavaScript Developers

  • 1

    Tivix

    Tivix is a digital product development and design company headquartered in San Francisco, with offices across the US, UK, and Europe. Founded in 2008, they have over 90 employees who serve startup, midmarket, and enterprise clients across diverse industries such as FinTech, health care, manufacturing, government, and nonprofit. Tivix reduces engineering risk for clients by offering rapid time-to-market while delivering standards-based code that can be transitioned to an internal team at any time. Their focus is building both internal and consumer-facing digital products that drive business growth. Services include product management, UX/UI design, full-stack software engineering, and DevOps

    Notable Project

    Tivix worked with an intergovernmental military alliance to rebuild a mission-critical software system. If and when submarines in international waters come into distress, the organization plans and coordinates the rescue effort of such submarines. Tivix was given complex system requirements and asked to come up with an effective design and solution that would replace a decades-old system. The client was incredibly impressed at every stage of the engagement, with Tivix delivering detailed systems and user-experience design, followed by robust development and operationalization of the system internationally. 

    Every single milestone has been met exactly on time. The company has met every requirement, both in terms of time as well as quality.” Maritime Service Owner, Intergovernmental Military Alliance

    Former clients
    Zoetis
    Apple
    Tesla
    UNICEF
    BASF
    World Food Programme
    Best Egg
    NATO
    Macerich
    $ $ $ $ $
    equalizer $50,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.9
    4.9
    24 Clutch reviews
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  • 2

    DCSL GuideSmiths

    DCSL GuideSmiths is a bespoke software development company headquartered in Farnborough, England with additional engineering centers in London, Manchester, England, Madrid, Spain, Bucharest, Romania, and Budapest, Hungary. Across international locations, they have a team of more than 250 individuals providing custom software, mobile application, and web development services to a diverse clientele. They support established businesses, nonprofits, government organizations, and startups

    Notable Project

    DCSL GuideSmiths redeveloped the recruitment software system of a construction firm. After laying out their requirements, DCSL GuideSmiths designed, tested, and delivered on the system. The client was pleased with the project and felt that DCSL GuideSmiths' skills made the collaboration extremely easy. 

    "We were able to see straightaway how the system would look and work. That’s another reason it went so smoothly." – Manager, Support Department, Construction Firm

    Former clients
    Mitsubishi
    Hospify
    Skanska
    Water Aid
    $ $ $ $ $
    equalizer $50,000+
    group250 - 999 Employees
    place London, United Kingdom
    4.8
    4.8
    46 Clutch reviews
    Awards

    Microsoft Gold Partner: Application Development , National Business Awards : Scale Up Business of the Year, Finalist (2019) , National Business Awards: Business Enabler of the Year, Finalist (2019)

  • 3

    iTechArt Group

    Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 1600+ engineers with experience in all of the latest technologies.

    Notable Project

    iTechArt Group is assisting with the development of a content management software for video advertisements. The team is building the system to accommodate multiple social media platforms like YouTube and Facebook.

    “The engagement has been very successful overall thus far. The work we've been able to quickly launch wouldn't have been possible without iTechArt's help. In addition to the quality of their code, they've also integrated extremely well into our team, adapting to our internal processes relatively seamlessly.” – Founder & CTO, Software Consulting Agency

    Former clients
    ClassPass
    Forex.com
    Merkle
    ZEFR
    BuildingLink
    $ $ $ $ $
    equalizer $25,000+
    group1,000 - 9,999 Employees
    place London, United Kingdom
    4.9
    4.9
    35 Clutch reviews
    Awards

    American Business Awards: Bronze Stevie Winner (2019) , Inc. 5000: 2018, 2019

  • 4

    Clock Limited

    Clock Limited is a digital design and build company. Founded in 1997, the company is headquartered in Kings Langley, United Kingdom. They have a team of around 35 employees who focus on custom software, web, and mobile app development.

    Notable Project

    Clock Limited redesigned a website for a news and media outlet. The team also built a custom CMS for the client. The site forms the foundation of the internal team's business.

    "The CMS is fantastic and they have been very receptive to our ideas, no matter how big or small." – Site Editor, News Outlet

    Former clients
    International Tennis Federation
    Wall Street Journal
    Leicester Tigers
    The Sun
    The Times
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Kings Langley, United Kingdom
    4.8
    4.8
    10 Clutch reviews
  • 5

    Zoocha

    Zoocha is a web development firm founded in 2009 and headquartered in Hertford, in the U.K. The firm has other locations in Valencia, Spain; Balneário Camboriú, Brazil; and New York, N.Y. Zoocha has about 30 employees. 

    Notable Project

    Zoocha created a web application for a UK oil and gas energy network. Using Drupal extensions and PHP scripting, Zoocha made an interactive platform for tracking and storing information. The client was impressed with Zoocha's work.

    "The refresh that we did with Zoocha Ltd has increased business value by three times, and in some areas, it’s about six times. We haven’t had any bugs or crashes." - CEO, UK Energy Service Firm

    Former clients
    UNICEF
    British Tourist Authority
    Clarion Events
    Engerati
    $ $ $ $ $
    equalizer $50,000+
    group50 - 249 Employees
    place Hertford, United Kingdom
    4.8
    4.8
    3 Clutch reviews
  • 6

    Imaginary Cloud

    Imaginary Cloud is a software development and UX/UI design company that helped companies of all sizes design, build, launch and scale web and mobile applications for over 10 years. Following an Agile approach, their multidisciplinary team of fewer than 50 are committed to developing digital products and services from scratch or assist clients' teams remotely. Their clients come from a variety of industries, including IT, financial services, and business services. 

    Notable Project

    Imaginary Cloud worked on custom software development for an enterprise software platform. Using Angular and Node.js and working from designs, their team built the product with a configurable frontend. They continued to provide support and the client was very pleased with the team’s work.

    “Imaginary Cloud created the entire architecture for our app and designed it for large user populations. The platform helped us grow significantly, which led us to win millions of pounds worth of contracts. Their team is intrinsic to our success.” – Strategy Director, Enterprise Software Platform

    Former clients
    Nokia
    Sage
    Ernst & Young
    BNP Paribas
    Environment Intelect
    JingaLife
    TravelWiFi
    DHI Telecom
    Elsa
    Trust Portal
    Full Fabric
    Remax
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    14 Clutch reviews
  • 7

    Propeller

    Propeller is a web design and development company that was founded in 2000. Headquartered in London, with another office in New York, they have a team of over 55. They specialize in e-commerce development, email marketing, web design, and SEO or clients in the hospitality, leisure, consumer products, and retail industries.

    Notable Project

    Propeller developed and designed a creative website for a photography studio. The team also performed digital marketing services, crafting keywords. SEO campaigns improved search results and mobile usage.

    "Propeller created a platform that represents me, my taste and artistic level."– Founder, Photography Studio

    Former clients
    Hippo Inns
    JW Lees
    KOIBIRD
    RXBAR
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.9
    4.9
    10 Clutch reviews
    Awards

    Awwards , RAR Digital Awards (2017)

  • 8

    Myplanet

    Myplanet is a software studio headquartered in Toronto, Ontario, with additional offices in Vancouver, British Columbia, and Chicago, Ill. Founded in 2009, Myplanet's team of around 90 specializes in web development, web design, and e-commerce development, primarily for midmarket and enterprise clients in financial services and media.  

    Notable Project

    A cloud platform developer hired Myplanet for assistance with digital strategy, information architecture, and user experience. The client's goal was to rebrand and reposition its digital presence as it moved away from providing hardware to providing cloud services. The client appreciated Myplanet's "customer-centric" approach to project management.

    "From day one to January 2015, we experienced a 300% increase in site traffic and 200% increase in leads coming from the web. Our bounce rate went down and our net promoter score went up." - Chief Marketing Officer & SVP of Business Operations, Cloud Platform Developer 

    Former clients
    CenturyLink
    DigitalOcean
    Google
    Dow Jones
    $ $ $ $ $
    equalizer $100,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.8
    4.8
    12 Clutch reviews
  • 9

    Catch

    Catch is a digital experience agency founded in 2007. Based in London, United Kingdom, they also have an office in Madrid, Spain, and a team of over 30 employees. They specialize in web development, UX/UI design, and content marketing. 

    Notable Project

    Catch helped an international conservation charity with multiple projects. First, they rebuilt a Drupal E-commerce website and built the CMS for the organization. In addition, the team manages the integration with ticketing and the CRM. Finally, they also worked on developing two applications. The company's website work resulted in increases in the number of users on the site and views.  

    "We’ve seen a positive impact on the site and how people have used it. We’ve had increases in users, conversion rates, page views, and so on." – Head of Digital Services, International Conservation Charity 

    Former clients
    Worldpay
    SES
    Thomas Cook Airlines
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.6
    4.6
    6 Clutch reviews
    Awards

    DADI Award (2016) , Econsultancy: Top 100 Digital Agencies (2017)

  • 10

    Theodo

    Theodo UK, founded in 2015, is a consultancy and digital development agency headquartered in London with an additional location in Paris. With a team of over 30 employees, they mainly provide mobile app development, web development, and custom software development services.
     

    Notable Project

    Theodo UK developed the platform for an online marketplace after the previous developer proved unsatisfactory. The team took wire frames and a prototype provided by the client to build a minimum viable product, using AWS, React, Python, and Django for the framework. The client spoke highly of the engagement.

    “They’re extremely knowledgeable and work closely with us to make sure we know what’s going on. Their team is phenomenal and have both dev and interpersonal skills.” — Executive, Digital Office Marketplace

    Former clients
    Admiral
    Cleo.
    BNP Paribas
    Voodoo
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.8
    4.8
    12 Clutch reviews
    Awards

    Les Echos Happy at Work Awards 2016: #1 Start-Up to Work For , Franco-British Chamber of Commerce: SME and Start-Up Award , Deloitte Technology Fast 50: 2013, 2014, 2015, Financial Times/Statista 1,000 Europe’s Fastest Growing Companies: 2019

  • 11

    Once Upon a Time Hospitality, formerly IdeaWork Studios

    IdeaWork Studios is a full-service advertising, development, and design agency founded in 1999. Headquartered in New York City, the company also has offices in Santa Barbara, CA and Las Vegas, NV. The team of more than 20 employees offers branding, web design, web development, and other marketing and design services such as logo and packaging design and email marketing.

    Notable Project

    After a wellness resort was acquired by another company, it needed to rebrand and hired IdeaWork Studios. The project included creating a new name and logo for the resort, updating its website to reflect the new branding, and launching an advertising campaign.

    "The level of creativity they showed for a complete rebranding was impressive. We needed to take the resort in a completely different direction, and they did it very quickly. It was impressive what they understood about the brand and what they put forward from a presentation standpoint." – Director of Sales and Marketing, Wellness Resort

    Former clients
    Hard Rock Cafe
    Caesar's Entertainment
    Yahoo!
    MGM Resorts
    PBS
    $ $ $ $ $
    equalizer

    Undisclosed

    group10 - 49 Employees
    place Soho, United Kingdom
    4.8
    4.8
    30 Clutch reviews
    Awards

    American Advertising Federation Awards 2015 and 2017 , Web Marketing Association: Outstanding Website Award 2013

  • 12

    Series Eight

    Digital product studio Series Eight is located in London. Since the company's founding in 2014, their small team of five has specialized in web design and development, UX/UI design, branding, and more with primarily small and mid-market businesses.

    Notable Project

    A skiing electronics company hired Series Eight for a complete website redesign. They wanted to optimize user experience and increase sales. Since the website's launch, conversion rates have increased. 

    "They have been absolutely excellent. Despite both our team and their team being remote, we’ve managed to maintain outstanding communication."–CCO, Skiing Electronics Company 

    Former clients
    Kuoni
    Cardconnect
    Trōv
    Flowhub
    $ $ $ $ $
    equalizer $5,000+
    group2 - 9 Employees
    place London, United Kingdom
    5.0
    5.0
    20 Clutch reviews
  • 13

    Solar Digital

    Solar Digital is a development-focused digital agency based in Odessa, Ukraine. Founded in 2016, Solar Digital has a team of 28 employees. They provide branding, UI/UX design, web development, and mobile app development services to a diverse and global client base.

    Notable Project

    A shipping company on the Black Sea hired Solar Digital to design and build a CRM platform. The product needed to be able to handle a considerable flow of data from large cargo operations, including bulk shipping that does not use containers. Solar Digital created a system for tracking and managing shipments and port facilities, which automated many steps in the client's process.

    "Our work and our financial returns have increased 3 times since 2014." –Commercial Director, Ukrainian Shipping Firm

    Former clients
    Stark Research
    Kassir 24
    Olir
    Klazz
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    20 Clutch reviews
  • 14

    CTI Digital

    CTI Digital is a full-service digital agency from Manchester, UK with other offices in London and Stockport, UK. The agency was established in 2003 and now has a team of 68 that works on web development, e-commerce development, mobile app development, and UX/UI design.

    Notable Project

    A government contractor previously had a website that was managed by one company and whose servers were hosted by another. They chose to consolidate all their website work at CTI Digital, who now hosts their servers, provides Drupal development, and updates the website and CRM.

    "The support is really great. The team that deals with support is absolutely brilliant...We have a very good two-way working relationship." — Project Manager, Government Contractor

    Former clients
    McGraw-Hill Education
    Mercuri International
    Royal Navy
    Manchester Central
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.3
    4.3
    3 Clutch reviews
    Awards

    RAR Digital Awards (2018)

  • 15

    Thought&Function

    Thought&Function is a digital agency founded in London in 2017 with no more than 10 members. They are experts in web development, mobile app development, and UX/UI design solutions for clients in the industries of financial services, education, and health care.

    Notable Project

    Thought&Function developed an app for a personal finance company. The app was built entirely from scratch using React Native for both Android and iOS platforms. The app was released earlier than scheduled.

    “For me, what sets them apart is the relationship.” - Founder, Personal Finance Company

    Former clients
    DoctorLink
    AllPlants
    ProperCorn
    $ $ $ $ $
    equalizer $10,000+
    group2 - 9 Employees
    place london, United Kingdom
    4.8
    4.8
    10 Clutch reviews
  • 16

    Zesty

    Zesty is a full-service digital agency based in Dublin, Ireland, with additional offices in Belfast, Northern Ireland and London, England. Zesty was founded in 1996 and has 37 employees. Services offered by Zesty include web development, web design, and digital strategy.

    Notable Project

    Zesty was responsible for web design and development for a tourism board. The project included developing a brand new website with an engaging design, along with transferring pre-existing data from the old platform to the new one. The client reports that the new site has led to double-digit growth in page views.

    "I was impressed by their ability to relate to us, understand our needs, and work towards the bigger picture." - CEO, Tourism Board

    Former clients
    Ulster Orchestra
    talkSPORT
    EY Financial Services
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 17

    Box UK

    Box UK is an enterprise software development company based in Cardiff, UK, with an office in London. The company, founded in 1998, has more than 50 employees who provide, among others, custom software development, web development, and enterprise app modernization services to various businesses. 

    Notable Project

    Box UK was hired by an Employee Benefits Service to oversee and advise on the Service's new e-commerce platform. But their service was expanded to include the development of the platform, rewriting some parts in Symfony from the original CakePHP. The client was so satisfied with the work that Box UK is still onboard to supply new features on the platform as needed. 

    "Box UK has a very modern, agile approach and is good at looking at new methods of working." - Project Manager, Employee Benefits Service 

    Former clients
    OKdo.com
    RS Components
    ateb
    BMJ Best Practice
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.9
    4.9
    5 Clutch reviews
    Awards

    National Technology Awards: shortlisted, Best Tech Place to Work (2019, 2020) , Cardiff Life Awards: Finalist, Technology & Innovation category (2020) , European Software Testing Awards: Finalist, Best User Experience (UX) Testing in a Project (2018) , UK IT Industry Awards: Digital Project of the Year (2018)

  • 18

    Purr Digital

    Purr Digital is a software development agency that has been offering web development, mobile app development, and custom software development to their small business and mid-market clients in the hospitality, arts and entertainment, and consumer products and services industries since 2013. Their 50 employees are based out of their London and Birmingham, UK offices. 

    Notable Project

    An internet services company partnered with Purr Digital for a technical solution and software platform for their mobile app. They provided the client with design, software development, and backend support for the mobile application. This resulted in a 35% conversion in regions that received 400 transactions the first two weeks.

    ”Their team has made constructive suggestions for features that we didn’t even think about, which has been quite crucial actually. They did a fantastic job. No one on my team is highly technical and Purr Digital guided us through the whole process.” — Director, Internet Services Company

    Former clients
    Adplan
    A Team Insight
    Maison de Fleurs
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.7
    4.7
    10 Clutch reviews
  • 19

    Tapptitude

    Mobile app development company Tapptitude has offices in Romania, the US, and London. The team of 40+ employees specializes in iOS and Android app development and offers UX/UI design, IT strategy consulting, and web development. Founded in 2013, Tapptitude mainly works with small businesses and startups in the real estate, automotive, and arts and entertainment industries.

    Notable Project

    Tapptitude developed an app prototype for a food ordering company. They executed the food ordering company’s vision perfectly and were retained to develop the full product. Some app features Tapptitude developed included platform signup, payment systems, and restaurant menu integration.

    “The proof that I’ve been happy with Tapptitude is that we’ve continued working long-term, even though I’ve had the option to use in-house developers. I felt that the communication was great and, most importantly, the quality Tapptitude provides is amazing, as is the communication.” – CEO, Food Ordering App

    Former clients
    Honda
    Vias Wine
    SmartDreamers
    Dine Market
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    43 Clutch reviews
  • 20

    DEGO

    DEGO is a web services development agency based in Riga, Latvia with an additional office in Moscow. Founded in 2005, DEGO has fewer than ten employees, and provides e-commerce development, UX/UI design, web development, and mobile app development capabilities to small and midmarket businesses.

    Notable Project

    DEGO worked with a spirits supplier to assist with its brand activation campaign, which included site development, promotional video production, and the creation of a VR app for iOS. They redesigned the site's UI, filmed a promotional video, and worked with Google Cardboard for the VR app; DEGO made sure to implement offline capabilities in the mobile app, and included an intuitive interface for staff and users alike to use without directions.

    "We appreciated DEGO’s quick turnaround." - Marketing Manager, Spirits Supplier

    Former clients
    Jaguar XE
    Ina Vokich
    Bio2you
    Aspazija Museum
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.6
    4.6
    4 Clutch reviews
  • 21

    Innovify

    Located in Ahmedabad, India with additional offices in the US and UK, Innovify has been delivering high quality solutions since 2011. Although the team of nearly 130 specializes in mobile app development, they also engage in growth hacking, consulting, and UX design.

    Notable Project

    One of Innovify’s clients, an on-demand delivery platform, wanted to streamline how merchants and businesses placed orders and how they assigned drivers. Innovify developed an Android app and website and helped with marketing and strategy.

    “I have worked with a couple of these companies before, but they haven’t been as process-oriented as Innovify. They have good processes in place and everything was good for me.” – Founder, Logistics Company

    Former clients
    Microsoft
    BBC
    The Wall Street Journal
    HSBC
    Nokia
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.6
    4.6
    13 Clutch reviews
    Awards

    Make in India Best Incubator Award: 2015

  • 22

    Made Tech

    Made Tech is a London-based software services provider that was founded in 2010. The company employs a team of 33 that provides e-commerce development, web development, custom software development, and conversion optimization services to mid-size and small businesses.

    Notable Project

    A fashion retailer was trying to create a website from scratch for the first team and needed to outsource the development. Made Tech worked from wireframes and graphics to develop the backend of a customized e-commerce website.

    "We’ve got a best-in-class conversion rate across multiple devices, so I think that’s testament to the fact the site works well...From a project management perspective, they’ve been very good. It’s been a very collaborative effort." — Founder & CEO, Fashion Retailer

    Former clients
    Rocket Internet
    Finery London
    Byron Hamburgers
    On Running
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.7
    4.7
    3 Clutch reviews
  • 23

    Browser London

    Browser London is a digital product agency based in London, United Kingdom. This company has 11 employees and was founded in 2008. Services offered by Browser London include UI/UX design, web design, and custom software development for companies of all sizes.

    Notable Project

    Browser London provides ongoing development work and UX design with a creative agency. Their work involves JavaScript coding, UI/UX design, and additional aspects of technical development.

    "They’re a knowledgeable team. Using their modern, forward-thinking outlook, they delivered a beautiful product. They’re experienced and dedicated, allowing them to ensure that the project is spot-on." Strategy Director, Creative Agency

    Former clients
    Gov.uk
    Mayor of London
    Lightning API
    $ $ $ $ $
    equalizer $10,000+
    group2 - 9 Employees
    place London, United Kingdom
    4.8
    4.8
    12 Clutch reviews
  • 24

    Marzee Labs

    Marzee Labs is a web development company that has been offering web design, web development, ad e-commerce development services to their clients since 2013. Their 10 employees are based out of their Porto, Barcelona, London, and Setúbal, Portugal offices.

    Notable Project

    Marzee Labs recently worked on multiple web designs for a TV station. They provided Drupal development and worked on the main websites and the project was successful.

    “Their ability to always find new talents and recruit some good developers impressed me.” – Project Manager, TV Station

    Former clients
    ARTE GEIE
    Branded Entertainment - BEN Group
    , Portuguese Catholic University
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.9
    4.9
    10 Clutch reviews
  • 25

    Tech Alchemy

    Tech Alchemy was founded in 2016 and has two locations in London. Their team of nearly ten employees provides web development, mobile app development, and UX/UI design services for small businesses.

    Notable Project

    Tech Alchemy developed a new UX for an existing cross-platform mobile app prototype for a health startup using Flutter. The team went through three sprints to deliver the product. Their work helped the client simplify a complex app.

    "We were able to drastically simplify a complex app and release it to our corporate clients." –CTO & CPO, Health Startup

    Former clients
    TOAD
    Copofi
    Tona
    Triptalk
    Holofy
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.9
    4.9
    17 Clutch reviews
  • 26

    Geeks Ltd

    Geeks is a software development company in London. Founded in 2007, Geeks' team of 85 specializes in custom software development, web development, and mobile app development, primarily for midmarket clients in media and govenment.

    Notable Project

    An online history encyclopedia hired Geeks to build a web app for extracting content from other websites. The client's key challenge was ensuring that the web app could handle a high volume of data. Geeks developed custom software featuring a user-friendly frontend and a backend capable of extracting significant amounts of data. Finally, Geeks created a JavaScript library that the client can sell to other businesses. The client appreciated Geeks' creativity and innovation.

    "Our visualization engine can generally handle ten times more data and the average JavaScript library. We’ve had no problems with the stability of their code. The server has always been perfect." - Co-Founder, Online History Encyclopedia

    Former clients
    easyJet
    Aesseal
    Houses of Parliament
    BBC
    Council of Europe
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Sutton, United Kingdom
    4.8
    4.8
    14 Clutch reviews
    Awards

    Global Business Excellence Awards (2017) , The Queen's Awards , UK Digital Experience Awards , 2013 Gold Stevie Winner for Sales & Customer Service

  • 27

    8th Light

    8th Light is a software consultancy firm headquartered in Chicago, with other offices in Los Angeles, New York, and London. The agency and its team of 110+ has experience in web development, custom software development, web design, mobile app development, and cloud consulting.

    Notable Project

    A ticketing agency hired 8th Light for app development. The app helped users get tickets to high-demand events easier. While the app hasn't officially launched, there has been successful reports and great feedback from a select few. 

    "They [8th Light] were great with collaborating on the right way for the project to be managed. I learned a lot from working with them." – VP Product, Entertainment Company

    Former clients
    Groupon
    Royal Academy of Arts
    NCSA
    LawVault
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.5
    4.5
    1 Clutch review
  • 28

    Isotoma

    Founded in 2004, Isotoma is a software development firm founded in York, England, with an additional office in London. Isotoma's team of around 20 focuses on custom software development, web development, and UX/UI development, primarily for midmarket and small business clients.

    Notable Project

    A global media company hired Isotoma to develop a solution for distributing video content to markets with minimal internet connectivity and bandwidth. Isotoma developed front- and backend of a cloud-based video platform. The proof of concept prototype was then tested by potential customers. The client appreciated that Isotoma completed two sprints ahead of schedule.

    "Product reception has been very positive so far. Potential customers who’ve seen the platform say it’s exactly what they’re looking for." - Director, Global Media Compnay

    Former clients
    City of Bristol
    Imperial College London
    HarperCollins
    Wilmington Group
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.8
    4.8
    4 Clutch reviews
  • 29

    Appetite Creative Solutions

    Appetite Creative Solutions is a creative digital marketing agency in London, England – with offices in Madrid and Dubai, too. Established in 2015, Appetite Creative Solutions has a team of 25 employees. They offer logo, web design, games development, and social media marketing services.

    Notable Project

    Appetite Creative Solutions developed a marketing campaign for a digital sales company to increase exposure. They created mockups, high-impact ads, and eye-catching marketing games. The clients' were pleased with the innovative designs.

    "They’re hands-on, accommodating, and creative." – Marketing & Advertising Professional, Digital Sales Company

    Former clients
    Starbucks
    Bacardi
    Coca Cola
    Tetra Pak
    Audi
    $ $ $ $ $
    equalizer $5,000+
    group2 - 9 Employees
    place London, United Kingdom
    4.8
    4.8
    21 Clutch reviews
    Awards

    WAN-IFRA’s Digital Media Awards Best Digital Advertising Campaign (2017), Awwwards Nominee (2017) , Awwwards Nominee (2017)

  • 30

    CronJ IT Technologies

    Founded in 2012, CronJ is a software development company that is headquartered in Bangalore, India, with offices in the Netherlands, Abu Dhabi, and Calif. The team of 50 specializes in custom software development, web development, and mobile app development.

    Notable Project

    CronJ IT Technologies partnered with an education platform to develop a web application for users to assemble teams, perform tasks, and earn points that are redeemable for gift cards. They provided successful features for the launch of the application.

    “The platform has lots of features. User can earn gift cards by solving problems, which makes it more appealing. We appreciated their project management, especially compared to the vendors we had worked with before.” –– Project Manager, Education Platform

    Former clients
    TCS
    Mitsubishi Motors
    Jindal Steel
    USA Today
    Mood Media
    Smart Tuition
    Aberdeen
    9X Media
    Winshuttle
    Wigwag
    Apollo Hosptials
    Cairn India
    $ $ $ $ $
    equalizer $1,000+
    group50 - 249 Employees
    place london, United Kingdom
    4.8
    4.8
    9 Clutch reviews
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