Looking for a top Google App Engine web app developer in the United Kingdom?

Google App Engine is best for scaling web apps. For example, if you launch an app and 100 people use it the first day but 1000 use it the second day, Google App Engine automatically allocates resources to meet this demand. This scaling advantage is a result of App Engine being a platform as a service (PaaS) and serverless, which means servers are provisioned based on web app usage. GAE supports multiple development languages, including Go, PHP, Java, Python, Node.js, .NET, and Ruby

To assist you in your search for a partner, we’ve compiled this list of the top Google App Engine developers in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best United Kingdom Google App Engine Web App Developers

  • 1
    $50,000+
    50 - 249 Employees
    Poole United Kingdom

    Ready4S is a full-service web and mobile app development company based in Cracow, Poland, with offices in the UK and Ukraine. Started in 2011, this team of 25+ creates digital solutions for organizations both large and small.

    Clients
    Uber
    Coca-Cola
    Credit Agricole
    La Roche Company
    Industries
    Notable Project

    Under a tight deadline, Ready4S developed and implemented an app solution to give the client’s employees easier access to customer data. The team earned praise for its cooperative approach, project management skills, and quality results.

    “I am pleased with our effective cooperation with Ready4S. … I highly recommend Ready4S as a reliable partner.” – Former Sales Support Director, Global Bank

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  • 2
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Sprint Innovations is a development agency based in London with fewer than 10 employees. Founded in 2014, they offer custom software, web, and mobile app development solutions for clients that work in the fields of business services, financial services, and real estate.

    Clients
    Virgin Trains
    Heron Financial
    Eurocom CI
    The Depositary
    Industries
    Notable Project

    Sprint Innovations developed a custom software solution for a real estate investment firm. The firm needed a management operation software solution that catered to day-to-day management needs. The new system drastically improved operations for the firm.

    “The team did do a pretty good job.” - Founder, Real Estate Investment Firm

  • 3
    $50,000+
    50 - 249 Employees
    London United Kingdom

    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

    Clients
    SolarCity
    Zoetis
    VMware
    Bayer
    Industries
    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

  • 4
    $50,000+
    10 - 49 Employees
    Leamington Spa United Kingdom

    Black Pepper Software Ltd is a software development firm based in Leamington Spa, United Kingdom with a team of 40 experts. Founded in 1999, they have provided custom software development, IT strategy consulting, and UX/UI design solutions for small firms, midmarket businesses, and large companies. They have experience working in multiple industries, including consumer products & services, financial services, and non-profit.

    Clients
    Jaguar Land Rover
    EDF Energy
    Engie
    Specsavers
    Industries
    Notable Project

    Black Pepper Software Ltd developed an app for an international pharmaceutical company for use in trade shows. The app was designed to display running clinical trials and help medical representatives track these trials to aid suitable prescribers. Black Pepper Software Ltd also developed a system that collects real-time data for display on a global map.

    "Their estimation of project timing has been exceptional. So far, we've been ahead of schedule on every project, we've been able to use gained time to further enhance the final product beyond that of what we had promised our client." - Senior Project Manager, Multimedia Company

  • 5
    Undisclosed
    1,000 - 9,999 Employees
    London United Kingdom

    Fulcrum Digital is an IT firm based in Jersey City, N.J. with more than 1,000 members worldwide. Founded in 1999, they are experts in IT strategy consulting, ERP consulting, and IT managed services for mid-market and enterprise-level clients alike.

    Clients
    Picciano and Scahill
    India First Life Insurance
    Independence Blue Cross
    University of London South Bank
    Industries
    Notable Project

    Fulcrum Digital developed and designed a system for an insurance defense law firm. The firm needed a system to help manage their cases. The launch of the system proved to be a success, and any flaws in the system were swiftly dealt with.

    “I was impressed by their depth of understanding of our wants.” - Former Director of IT Operations, Insurance Defense Law Firm

  • 6
    $25,000+
    250 - 999 Employees
    London United Kingdom

    Innovecs is a software development company headquartered in New York City with offices in Tel-Aviv, Israel, London, Frankfurt, Germany, Bern, Switzerland, San Francisco, and Kiev, Ukraine. Their team of 360 provides web development, custom software development, mobile app development, application testing, and more.

    Clients
    SGN
    Warner Brothers Turbine
    CallFire
    Iron Source
    Industries
    Notable Project

    Innovecs was hired by a warehousing and logistics company to develop a web application using Angular and Java.

    "The quality of the technical resources was impressive. They’re advanced, have good personalities, and are good people." – Director of Software Development, Distribution Facility 

  • 7
    $25,000+
    250 - 999 Employees
    Belfast United Kingdom

    Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico, and Belfast, U.K. With more than 600 employees, they provide software testing and development services, combined with their staff augmentation services to meet software engineering needs, using nearshore development professionals.

    Clients
    Vesta
    Harvard Business Publishing
    Foundation Medicine
    Edwards Lifesciences
    Industries
    Notable Project

    A caller ID company hired Unosquare, LLC to provide software engineering and QA resources. Assisting on various projects, Unosquare provided daily support in all aspects of application development.

    "I have been most impressed with the caliber of the technical resources provided by Unosquare." – Senior Director Software Engineering, Caller ID Company

  • 8
    $25,000+
    10 - 49 Employees
    Sarratt United Kingdom

    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.

    Clients
    International Tennis Federation
    Leicester Tigers
    Northampton Saints
    Wall Street Journal
    Industries
    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

  • 9
    $10,000+
    250 - 999 Employees
    London United Kingdom

    Distributed is a London-based tech company with over 250 members founded in 2017. They specialize in custom software development, IT staff augmentation, and mobile app development for mid-market and enterprise-level businesses alike.

    Clients
    Providence Group
    MKL Innovation
    ABM Communications
    Industries
    Notable Project

    Distributed developed mobile apps for an investment platform. The apps were built for both Android and iOS, and let account holders view their transactions through their phones. The project went smoothly with constant feedback between both companies.

    “They have a good ability to listen.” - CEO, Investment Firm

  • 10
    $25,000+
    10 - 49 Employees
    London United Kingdom

    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.
     

    Clients
    Admiral
    Veygo an Admiral company
    BNP Paribus
    MADE.com
    Industries
    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

  • 11
    $50,000+
    50 - 249 Employees
    London United Kingdom

    Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

    Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

    Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

    Clients
    Mitsubishi
    Fleet Nurse
    Harley-Davidson
    Jaguar Land Rover
    Industries
    Notable Project

    Intellectsoft created an e-commerce app with matching backend infrastructure, then integrated it into the client’s blockchain technology. Transforming the given creative demands into a satisfactory product under a strenuous deadline was deemed impressive, as were their communication skills and determination.

    “We've given them a challenge, and they've met it, which is why Intellectsoft has become our leading service provider for technology development.” – Program Manager, Holding Company

  • 12
    $25,000+
    50 - 249 Employees
    Manchester United Kingdom

    Digiryte is a web and mobile app development company based in Manchester, United Kingdom with another UK office in Preston. Since 2015, their team of 28 has been specializing in mobile app development, custom software development, and web development for midmarket clients. 

    Clients
    NHS
    Channel 4
    Close Brothers
    Hinch Property Management
    Industries
    Notable Project

    A beauty salon hired Digiryte for their digital development services. The agency developed a customized software that included automated billing, customer reviews, and more. The software is easy to use and has brought in new customers. 

    "I’ve shown my website to a few people, and they’re all impressed. I can use the software with ease, and it captures all the data that I wanted. People come to the salon after seeing the look and feel of the webs."–VP Technology, Beauty Salon

  • 13
    $50,000+
    50 - 249 Employees
    Belfast United Kingdom

    Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

    Industries
    Notable Project

    Instil conducted research, design, and testing of several applications, from mobile apps to server architecture for a large Canadian telecommunications firm. They delivered several user and provider-side portals for changing features for telecom customers and improving the consumer experience. The client praised both quick delivery time and high-quality code from Instil's team.

    "Their competitiveness and their intelligence make them stand out from the crowd. Instil’s sheer breadth of knowledge makes their software services very desirable." - Software Architect, Telecommunications Firm

  • 14
    $10,000+
    10 - 49 Employees
    London United Kingdom

    TensionX is a software company founded in 2020 with fewer than 50 experts. They provide custom software and web development solutions from their office in London. They mainly work with small and mid-market firms in the fields of advertising and business services.

    Clients
    CloudKii
    Companion Games
    Tooled Up Raccoons
    Industries
    Notable Project

    TensionX developed a Google Chrome extension for a marketing agency. The extension was to help with lead generation on Facebook. The agency is impressed with the quality of the extension.

    “They really understand that we’re not developers and explain everything in laymen’s terms.” - CEO, Marketing Agency

  • 15
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Aalpha Information Systems India Pvt. Ltd. is a software outsourcing company founded in 2007. Based in Hubli, India, they have additional offices in Bridgewater, N.J., Sandane, Norway and Bangalore, India. The team specializes in web development, e-Commerce development, and custom software development. They primarily serve small businesses in the consumer products & services, business services, and advertising & marketing industries. 

    Industries
    Notable Project

    Aalpha Information Systems created a website to help Kenyan auto dealers cooperate with Japanese exporters in providing cars/parts for local users. They now support ongoing SEO, testing, and implementation. The client was impressed with the team's work and their dedication to the project.

    "The results of the project were the best. Currently, we have a really high number of customers accessing our site to shop. Locally, our website ranking has also greatly improved due to completion of these projects." — CEO, Kenyan Automotive Store

  • 16
    $25,000+
    50 - 249 Employees
    London United Kingdom

    PixelPlex is a software and blockchain development company headquartered in New York City, with offices in Amsterdam, Netherlands and Minsk, Belarus. Founded in 2007, the team of 56 specializes in blockchain, custom software development, and mobile app development. They work mostly with enterprise and midmarket clients, primarily in the financial services industry. 

    Clients
    Microsoft
    Oracle
    BMW
    QTUM
    Industries
    Notable Project

    PixelPlex worked on smart contract consultation and development for a crowdfunding startup. They built the contract system and created backend processes to enhance communication between the GUI and contracts. The client was impressed with their ability to deliver throughout the project.

    “As for their effectiveness, PixelPlex delivered everything we asked of them on time with no major issues.” – CTO, Crowdfunding Startup 

  • 17
    $25,000+
    50 - 249 Employees
    Cardiff United Kingdom

    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. 

    Clients
    OKdo.com
    Investec Asset Management
    ateb
    Welsh Government
    Industries
    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 

  • 18
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Headquartered in Kiev, DataMix is a development company with locations in Pittsburgh and London. Since 2015, their team of 18 has been specializing in custom software development, web development, and artificial intelligence. 

    Clients
    Unisender
    GRC
    HeadHunter
    Etoso
    Industries
    Notable Project

    An automotive company hired DataMix to design different landing pages for various automotive models. They also perform web management and maintenance. The landing pages were completed within the set timeline and budget.

    "They have a great understanding." – Director of Digital Marketing, Automotive Company

  • 19
    $10,000+
    50 - 249 Employees
    London United Kingdom

    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.

    Clients
    ARM INC
    Vonage
    British Council
    BBC
    Industries
    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

  • 20
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Developing bespoke web and software solutions, Laracle.com is a twenty-man London-based team that embraces innovation and rises to meet clients' challenges. Working with a variety of SMEs across sectors, they primarily offer complex software, web and mobile application design and development as well as UX/UI design. They were founded in 2017. 

    Clients
    Pepsi Co
    Holland & Barrett
    Seatedly
    Venturi Group
    Industries
    Notable Project

    Laracle.com provided custom software for a hospitality booking SaaS. They built a solution that allows the client to sell customized hospitality packages online. They delivered an exceptional platform that blows similar solutions out of the water. The client was more than pleased with their work.

    "It's a great experience for our customers and very easy for us to manage too. Overall, we were very happy with the outcome and love our new system!" — Director, Hospitality Booking Platform

  • 21
    $10,000+
    2 - 9 Employees
    Birmingham United Kingdom

    Codevate is a custom software development firm headquartered in Birmingham, United Kingdom. The agency specializes in custom software development, mobile app development, and IT strategy consulting and has a small team.The agency was founded in 2013.

    Industries
    Notable Project

    Codevate was tasked with developing a full-stack payment solution for an electric vehicle charging manufacturer. The client worked three members of the vendor's team for the project.

    "Amazing feedback and consultation by the team. They created exactly what we were looking for."

  • 22
    Undisclosed
    50 - 249 Employees
    London United Kingdom

    Abacus Cambridge Partners is a tech consultancy and BPO company that was founded in 2017. The core London-based team of about 50 coordinates voice, ERP consulting and system integration, IT strategy consulting services for midmarket and enterprise-sized clients in the e-commerce space.

    Clients
    Hafilat Industry LLC
    Safaricom
    Telenor
    Industries
    Notable Project

    A fintech company outsourced their call center needs to Abacus Cambridge Partners, looking to support their customers' claims. Abacus Cambridge Partners was responsible for negotiating the customers' bills for a lower rate. The call agents underwent intensive training, were quick-thinking, and adapted well to internal processes.

    "Most of them are educated, forward-thinking people, which is exactly what we’re going for. As a startup, we’re trying to develop our systems as quickly as possible, so we’re constantly throwing new things at them." – Senior Operations Manager, Fintech Company

  • 23
    $5,000+
    50 - 249 Employees
    London United Kingdom

    ExpertsFromIndia is a development company based in San Jose, Calif. They were founded in 2003 and have a team of around 800 employees. They primarily provide custom software development and SEO. 

    Clients
    eBay
    Sprint
    Mannatech
    Nokia
    Industries
    Notable Project

    ExpertsFromIndia provides SEO support, conducting keyword research and establishing quality links. They provide weekly reports to monitor progress on the site. Traffic increased for the business and the site ranks on the first page. 

    "Collaboration with the SEO team at EFI was an excellent experience for us." – Director, Online Music Promotion Platform

  • 24
    $10,000+
    10 - 49 Employees
    Cranfield United Kingdom

    SO technology is a design & technology company based in Cranfield, U.K., with an office in London. The company, founded in 2007, has a team of around ten that provides e-commerce development, web development, custom software development, digital strategy, mobile app development, UX/UI design, and web design services. SO technology serves small and mid-market companies in the e-commerce, business services, energy & natural resources, retail, and education industries.

    Clients
    bakerdays
    House of Hackney
    Tom Dixon
    Bernhardt Furniture
    Industries
    Notable Project

    An education app provider hired SO technology to develop a math teaching app. As part of the engagement, SO technology designed the app's architecture, outlined rudimentary designs, developed the database and back end, built an admin site, and built a game for the platform. The platform was completed and became popular among children, parents, and teachers. SO technology continues to provide technical support.

    "They’re very versatile. I know that I can ask them to handle a bunch of different tasks, and they will be able to manage it." - Owner & Director, Education App Provider

  • 25
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Lab3 Apps is a development agency founded in 2015 with no more than 10 employees. They offer mobile app development, UX/UI design, and web development solutions from their office in Christchurch, New Zealand. They primarily work with small businesses.

    Clients
    Whitebait Media
    AimHi
    New Zealand Institute of Management and Leadership
    Student Volunteer Army
    Industries
    Notable Project

    Lab3 Apps provided frontend development solutions for an insurance policy platform. Lab3 Apps handled the frontend needs of the local platform. The platform continues to work with Lab3 Apps on potential improvements to the systems.

    “It's a small but growing team that think and operate like a startup.” - Technical Product Manager, Insurance Policy Platform

  • 26
    $1,000+
    50 - 249 Employees
    london United Kingdom

    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.

    Clients
    Unilever
    Nokia
    Linde
    DIFC
    Industries
    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

  • 27
    $25,000+
    10 - 49 Employees
    Manchester United Kingdom

    Based in Manchester, UK, Corporation Pop has been around for over a decade and is now an established part of the mobile and web development industry. The small team delivers powerful results to clients across several industries.

    Clients
    NHS
    BBC
    Channel 4
    UNILAD
    Industries
    Notable Project

    Corporation Pop started working with a sports network company and created their iOS and Android app and product branding. The client was particularly pleased with their attention to UX.

    “They’re fantastic. They kept me updated every week. If there was something I needed that was going to delay the project and go over the budget, they weren’t bothered.” – CEO, Sports Network Company

  • 28
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Caboodle UX Studio is a design company located in Winchester, Hampshire, England. Their team of around five employees provides UX/UI services and custom software development for businesses of all sizes. Primarily, they work in the financial and consumer services industries.  

    Industries
    Notable Project

    Partnering with a market research company, Caboodle UX Studio designed and developed multiple versions of an application prototype. The client deems the project a success, praising Caboodle's investment and design expertise. 

    "They were very skilled at slotting into our team. I never had any problems keeping in touch with them." – Former UX Research Director, Market Research Firm 

     

  • 29
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Web Epoch is a development house that was founded in 2014 and provides custom software, mobile app, and e-commerce development. The London-based team of under 10 employees mostly services mid- and enterprise-level clients, though they also support small businesses.

    Clients
    KFC
    Birnberg Peirce
    Industries
    Notable Project

    An Arabic language learning company hired Web Epoch to develop a progressive web app (PWA) for their core product. It was a solution that helped users study Arabic through videos, quizzes, and a vocabulary builder. After going live, the team made sure to update the app to meet user needs. 

    "They’re not just hashing out the same old tired thing — they keep up with what’s out there when producing solutions." – Co-Founder, Arabic Language Learning Company

  • 30
    $10,000+
    10 - 49 Employees
    Cheadle United Kingdom

    Foresight Mobile is an end-to-end mobile development agency founded in 2016 based in Manchester, England. Run by a team of fewer than 10, they offer custom software, mobile app, and web development services to their clients.

    Clients
    Table.co
    EA
    Arm
    Levi Strauss & Co
    Industries
    Notable Project

    Foresight Mobile worked on various projects for a clothing maintenance service. The project initially covered completing the company website, but after completion of that project, Foresight Mobile was then tasked to work on the service's bespoke order management system as well. The service is satisfied with Foresight Mobile's work and looks forward to using their work in the future.

    "Compared to the previous agency, Foresight were much easier to communicate with. We had a strong cultural alignment and bounced ideas off one another during our ideation phase. Their development process is very collaborative and transparent, so I always felt in control of direction and spend." - CEO, Clothing Maintenance Service

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Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

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