Top 100 Software Development Companies in the United Kingdom
January 2023Looking for a top software developer in the United Kingdom?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Software Developers
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1
- $50,000+
- 250 - 999 employees
- London, United Kingdom
One Beyond is a bespoke software development and digital transformation company headquartered in London with additional engineering centers in Madrid (Spain), Budapest & Szeged (Hungary) and Bucharest (Romania). Across international locations, they have a team of more than 350 individuals providing custom software, web and mobile application development and large- scale digital transformation to a diverse clientele.They support large established businesses, nonprofits, government organizations, and VC-funded startups
Clients
- Smith & Nephew
- GAIL's Bakery
- Costa Express
- Pearson
Industries
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One Beyond (formerly DCSL GuideSmiths) developed a cloud-based web app for a contract company. The digital tool lets users define large construction projects and streamlines the procurement process for contractors.
“Whenever there was a problem, they helped us come up with a solution.”
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2
- $10,000+
- 10 - 49 employees
- Watford, United Kingdom
AppDrawn is a software solutions company founded in 1999. Their headquarters are in London and they have a second office in Barcelona. Across these 2 locations, they have a team of a dozen staff that do custom software development, web development, and mobile app development for small and medium-size businesses.
Clients
- Aspire Customer Communication Services
- Imagine Property Group
- Renteq Highways
- HSM
Industries
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AppDrawn Software Development provided custom software development services for a healthcare firm — they led the setup of the client's CRM system. The team also applied various modifications.
"The personal relationship and responsiveness of their senior team set them apart from other vendors."
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3
- $25,000+
- 50 - 249 employees
- Croydon, United Kingdom
Founded in 2005 and headquartered in Croydon, UK, GoodCore Software specializes in bespoke software development. WIth a team of about 50 employees, the company offers web and mobile app development to startups and established businesses alike. Engagement options include fixed- cost and dedicated development teams.
Clients
- Printed Music Licensing
- Weight Loss Resources
- GC Business Finance
- XTracked Deliveries
Industries
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GoodCore developed a SaaS application for managing briefing programs and events for Fortune 100 companies. The team coded in React and Laravel for creating a web-based application. The application helped automate and streamline the management of corporate events, briefing programs and meetings.
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4
- $25,000+
- 1,000 - 9,999 employees
- London, United Kingdom
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 3500+ engineers with experience in all of the latest technologies.
Clients
- ClassPass
- ZEFR
- Gain Capital (forex.com)
- Merkle
Industries
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iTechArt assisted with the development of a flagship mobile app (iOS and Android), allocating a specialized resource for each platform version. The team now provides QA testing and updates as needed.
"iTechArt can scale with us as we grow, and they can do it fast."
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5
- $25,000+
- 250 - 999 employees
- Bridge of Don, United Kingdom
CSHARK is a software and product development company that helps enterprises with digital transformation and start-ups translate ideas into products. Founded in 2014, it currently has over 300 mid and senior developers on board. CSHARK creates web and mobile apps from scratch and consults companies from FinTech and RegTech sectors. According to the Financial Times ranking in 2019 and 2020, we were among the fastest-growing companies in Europe.
Clients
- Fenergo (Fintech)
- REGENHU (Biotech)
- VecCtor (Digital infrastructure for Industry 4.0)
- HTP J-1 Visa Programs
Industries
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CSHARK offers software engineering resources to a FinTech solution company. Services rendered include UX/UI design, platform development, product integration, and customer support.
"CSHARK developers are flexible enough to jump from one project to the other."
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6
- $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
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Instil Software provided custom software development services for a body-worn video camera manufacturer. The team is constructing a digital evidence management system for reviewing security footages.
"All key deliverables were met on time, often exceeding expectations."
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7
- $100,000+
- 50 - 249 employees
- Salford, United Kingdom
Apadmi is a 140+ member mobile tech group specializing in app development, IoT, and consulting for big data, BI, and SI. Founded in 2009 and based in Manchester, UK, their team excels at helping organizations use technology to achieve a competitive advantage.
Clients
- BBC
- Argos
- Lexus
- Range Rover
Industries
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Apadmi provided coding, development, and design services for development of a device monitoring platform. The project required the agency to perform with little oversight and involved complete complex tasks.
"The project was a success and has led to a substantial increase in the amount of analyzers that we are now selling."
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8
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Founded in 2010, Magora is a 50+ team of web and mobile app designers and developers based in London. Whether it’s B2B or B2C, the firm creates bespoke software that integrates with existing business solutions to enable user-centered interaction and scalable software architecture.
Clients
- Danone
- Unilever
- Toyota
- Royal College of Art
Industries
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Magora Systems has helped with DevOps and worked on the main core system for a mobility solutions company. They’ve also built systems from scratch using PHP, JavaScript, and relational databases hosted on AWS.
“They’re a stable and reliable team.”
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9
- $10,000+
- 10 - 49 employees
- London, United Kingdom
Old.St Labs is a software development business based in London. The business, founded in 2020, has a team of more than ten that provides custom software development, mobile app development, UX/UI design, web design & development, and AI services. Old.St Labs serves small and mid-market companies in the advertising & marketing, education, financial services, health care & medical, and legal industries.
Clients
- Kopona
- Brain.Health
- CityMunch
- Altus Investment Management Ltd
Industries
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Old.St Labs provided mobile app prototyping for a community-building platform. They were tasked with visualizing the client's concept from a design standpoint. They developed the prototype using InVision.
"They were just highly focused on delivering the results rather than the process."
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10
- $10,000+
- 2 - 9 employees
- London, United Kingdom
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.
Clients
- Mayor of London
- Lightning API
- Shell
- NHS
Industries
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Browser London provides WordPress web design and development services for a London government office. Their work is ongoing with updating site functionality and a scheduled site rehaul in the near future.
"They're always ready to help us in whatever way they can."
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11
- $10,000+
- 10 - 49 employees
- Wimborne, United Kingdom
Ballard Chalmers is a software development company based just south of London. Founded in 2005, their team provides custom software development, modernisation and integration, as well as support and IT Managed Services.
Clients
- Apex
- Virgin Atlantic Airways
- Ipes
- Good Energy
Industries
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Ballard Chalmers revamped and continues to support a SharePoint application with over 50,000 records, restructuring the database and customizing reporting.
"They're good about keeping us up to date and moving things forward."
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12
- $25,000+
- 10 - 49 employees
- London , United Kingdom
AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.
Clients
- BetDSI
- Strengthscope
- Clevry
- Buyfair
Industries
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AVAMAE Software Solutions Ltd is helping a showering products manufacturing company develop their cloud-based infrastructure using Microsoft Azure IoT Hub. Their scope includes API and IoT development.
“AVAMAE is very responsive, and they’ve delivered everything on time and as required.”
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13
- $25,000+
- 2 - 9 employees
- London, United Kingdom
This is Undefined, a branding firm, is located in London, United Kingdom. The small company was founded in 2018. Their team offers branding, digital strategy, ux/ui design, mobile app development, and more.
Industries
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This is Undefined helped a digital marketing agency develop an MVP software for a video educational platform.
"I liked their price and technological competence."
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14
- $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
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A financial institution hired Digiryte to provide app development. They enhanced the client's existing platform with customizations using technologies like PHP, HTML, MySQL, and Salesforce.
''They did excellent work.''
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15
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Influential Software is a software development firm in London, United Kingdom; Maidstone, United Kingdom and Glasgow, United Kingdom. The firm focuses on custom software development, web development, BI & big data consulting & SI, IT managed services, and more and has a midsize team.The firm was launched in 1993.
Clients
- Deloitte
- American Express
- London Stock Exchange
- Pret a Manger
Industries
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Influential Software developed a Sharepoint solution to improve a children's charity organization's data management and delivered an interactive wiki.
"We were very impressed with Influential for the positive meetings and collaboration between our two companies."
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16
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Core Blue Ltd is a software engineering company based in London with an office in Plymouth, U.K. The company, founded in 2015, has a team of less than ten that provides custom software development, mobile app development, web development, and IoT development services to various companies.
Clients
- Bank of Kigali
- Kuoni
- SAP
- PayPoint
Industries
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CoreBlue creates a scalable web app for a luxury holiday rental firm by making its core system a web API. They also use React.js and Next.js to build the interface as a server-side rendered single-page app.
"CoreBlue is receptive to feedback and worked with me to ensure we hold the platform to the highest standard."
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17
- $25,000+
- 10 - 49 employees
- London, United Kingdom
Bit Zesty is a custom software development firm. They provide custom software development, ux/ui design, web development, application management & support, and more and were launched in 2009. Their small team is London, United Kingdom-based.
Clients
- Oxford Medical Simulation
- Trussell Trust (UK Foodbanks)
- Queen's Awards for Enterprise
- HMRC
Industries
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Bit Zesty was tasked with website maintenance and support for a human rights charity. They used Trello to manage the development process. They also completed a feature development sprint.
"They didn't hesitate to challenge our thinking, deconstruct ideas, and propose solutions we may have overlooked."
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18
- $5,000+
- 10 - 49 employees
- London, United Kingdom
Plug & Play is a UX/UI agency based in London and Surrey. Founded in 2007, they are specialists in user experience and user interface design for software, websites and custom applications. They also have a front-end development service to support clients with the design implementation. Plug & Play work across a number of sectors with their clients ranging from funded startups to large corporations such as Legal & General.
Clients
- WWF
- Mercer
- Legal & General
- Utility Warehouse
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Starting with wireframes, Plug & Play rebuilt the frontend of a mortgage company’s service platform. Following the agile methodology, they rebuilt entirely new features by migrating MVC code into Angular.
“They’ve proven to be extremely competent.”
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19
- $1,000+
- 10 - 49 employees
- London, United Kingdom
TH-EY is a development agency in London, England. Founded in 2017, they have about 8 employees that serve clients in a variety of industries. Services include custom software development, web development, and mobile app development.
Clients
- Launchworks
- Own-Kind
- pixable
- First Ascent
Industries
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TH-EY provided web development services for a B2B SaaS company. The team was hired to create a web application to help with the client's office employee management.
"All the features that we required in the initial estimation were developed plus a couple of extra ones."
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20
- $100,000+
- 50 - 249 employees
- Newcastle upon Tyne, United Kingdom
Founded in 2007, hedgehog lab is a global software consultancy of 200+ that specializes in multi-platform software and device innovation. Headquartered in London with six offices across three continents, their team architects, designs, and develops app solutions that prepare brands for the future of post-PC devices.
Clients
- Aviva
- AJ Bell
- LaserShip
- Santander
Industries
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hedgehog lab works on app development for Android and iOS for an InsurTech company. They’ve built a software development kit for the client’s mobile technology using JavaScript, Kotlin, Swift, and Objective-C.
“hedgehog lab invests time and effort into our products and creates greater opportunities for us to explore together.”
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21
- $10,000+
- 50 - 249 employees
- London, United Kingdom
Studio Graphene is a 90+ employee interdisciplinary team of strategists, designers, developers, and product managers. Studio Graphene is headquartered in London with studios in New Delhi, Lisbon, and Geneva. They collaborate with clients — from startups to established businesses — to define the details and specifications of projects, including custom software development, mobile app development, and UX/UI design.
Clients
- Diageo
- Nesta
- Harth
- Mars
Industries
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Studio Graphene developed a personalization functionality for a mental health company's platform. Their resources redesigned the platform's onboarding flow and developed a new customer engagement product.
"Their development skills are excellent."
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22
- $25,000+
- 2 - 9 employees
- SHEFFIELD, United Kingdom
Inflecto Systems, a software development company, is located in SHEFFIELD, United Kingdom. The firm provides custom software development, mobile app development, and business consulting and has a small team.The firm was founded in 2006.
Industries
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Inflecto Systems develops a tool that allows end-users to find information about importing and exporting processes. The team is responsible for designing the solution, linking to a payment system, and more.
"They are very quick to respond to requests and provide explanations and suggestions to make ideas come to life."
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23
- $50,000+
- 50 - 249 employees
- Sutton, United Kingdom
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.
Clients
- BBC
- EasyJet
- Euromoney
- Mitie
Industries
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Geeks managed all aspects of development in creating a timeline visualization engine. The system extracts and imports historical data from a variety of sources using JavaScript.
“While the others seemed wary of dealing with large databases and files, they were very enthusiastic about our project.”
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24
- $25,000+
- 10 - 49 employees
- Martlesham, United Kingdom
Coderus is a software and mobile app development company based in Martlesham Heath, U.K., with offices in Cambridge and Norwich, U.K. The company, founded in 1998, has a team of more than 30 that provides mobile app development, IoT development, UX/UI design, product design, IT strategy consulting, wearable app development, and application testing services. Coderus serves small and larger-sized companies in various industries that include consumer products & services.
Clients
- INEOS Team UK (America's Cup)
- EO Charging
- Bowers & Wilkins
- ELGA Veolia
Industries
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To automate and simplify the organization's processes, a recruitment company hired Coderus to build a code foundation. They were tasked with building, testing, and annotating scripts for the client.
"Coderus made every part of the process quick and easy for us, unlike the other developers we've worked with."
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25
- $5,000+
- 10 - 49 employees
- Great Baddow, United Kingdom
Objective is a software development firm. The small Great Baddow, United Kingdom-based team provides custom software development, BI & big data consulting & SI, Artificial Intelligence, conversion optimization, and more. The agency was launched in 1987.
Clients
- Epson
- International Institute for Strategic Studies
- Chelmer Housing Association
- TTP - The Technology Partnership
Industries
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Objective was hired by a duplicate bridge platform to improve their services and streamlines for entries. The main goal was to create a multi-user interface for their calendar of events.
"There was no point at which we stumbled aside from my own workload being too much to provide input!"
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26
- $50,000+
- 10 - 49 employees
- Sheffield, United Kingdom
The Curve, a software development firm, is in Sheffield, United Kingdom. They specialize in custom software development, web development, and mobile app development and were founded in 2019.Industries
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The Curve was hired by a social enterprise to design and build a new booking platform.
"We're impressed with their commitment to getting everything right for us."
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27
- $100,000+
- 50 - 249 employees
- Lurgan, United Kingdom
GCD is a custom software development company. Established in 1999, the team specializes in custom software development, ux/ui design, application management & support, mobile app development, and more. Their small company is Lurgan, United Kingdom-based.
Industries
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GCD has developed a library’s WordPress website and their digital platform in PHP with a CollectionIndex+ API. The two platforms are integrated, allowing users to browse the client’s collection on the frontend.
“GCD is approachable and easy to work with.”
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28
- $50,000+
- 10 - 49 employees
- London, United Kingdom
NEVERBLAND is a web development firm. They provide web development, web design, ux/ui design, custom software development, and more and were launched in 2010. Their small team is London, United Kingdom-based.
Clients
- Togetherall
- Lick
- MyTrees
- Bulb
Industries
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NEVERBLAND has helped a cocktail business completely redesign their Shopify website. They’ve incorporated new features, applied optimizations, and made the site’s backend more user-friendly.
"They’re very good at meeting our deadlines."
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29
- $10,000+
- 10 - 49 employees
- London, United Kingdom
Hiyield is a small website development firm located in St. Austell, United Kingdom. Launched in 2018, the team focuses on web development, custom software development, ux/ui design, application management & support, and more.
Industries
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A marketing agency partnered with hiyield to develop a site that would better represent their brand. The team was in charge of creating mood boards and wireframes, fixing bugs, and conducting final reviews.
"They're freaking awesome. They do great work and are a pleasure to work with."
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30
- $5,000+
- 10 - 49 employees
- Coventry , United Kingdom
Imobisoft is a full-service mobile app & software development company based in Coventry, U.K., with an office in London. The company, founded in 2007, has a team of more than ten that provides custom software development, digital strategy, IoT development, web development, BI & big data consulting & SI, and SEO services. Imobisoft serves midmarket and other-sized companies in the medical, manufacturing, utilities, energy & natural resources, financial services, ane e-commerce industries.
Clients
- NHS (Multiple divisions)
- BSkyB
- E-Energy
- Northern Gas Networks
Industries
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An energy supplier hired Imobisoft to provide web and app development. Their efforts also include UI/UX design for a platform that allows salespeople to streamline their processes.
"Imobisoft developed a web and mobile app using .NET technologies. The application allows us to bring on thousands of new customers . Without the software they created for us, we wouldn’t be generating sales. We're very satisfied with the design and the application, and it couldn’t be better".
Most Reviewed Software Developers in United Kingdom
Check out a Software Developers in United Kingdom with the most new reviews in the past 12 months.
Software Developers
United Kingdom
- 11 8 new reviews
- 12 8 new reviews
- 13 8 new reviews
- 14 8 new reviews
- 15 8 new reviews
