Top 50 Software Development Companies in the U.K.

Itransition was hired by another development firm to collaborate on a project for a tourism company. They migrated 44 websites into one e-commerce platform, Magento.

“They have a good talent pool; they’ve been able to find the right individuals. Everyone they have found who has worked with us has approached the project as though they understand the bigger picture. They’re not just coding for a paycheck.” – Director, Development Company

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

DCSL Software redeveloped the recruitment software system of a construction firm. The firm laid out what they wanted and DCSL designed, tested, and delivered on the system. The client was pleased with the project and felt that DCSL's 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

Magora developed two apps and provided a range of services to a conference organizer, including web and graphic design, full-stack development, and database maintenance and development. The client appreciated Magora's expertise, timeliness, and overall efficiency in project communications and completion.

“I would say they are the best outsourced firm we’ve ever worked with. Their project management skills are great – very transparent and very responsive to communication about fixes being urgent.” – Founder, IT Conference Organizer

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

Intechnic built a cloud-based management system for a trailer manufacturer. The system logs and stores company data for the manufacturer to use to streamline their operations. The collaboration is ongoing. Intechnic is currently working on building new modules for different functions. The client feels that the relationship between them is strong. 

"Our working relationship is highly effective. We consider them more as a business partner than that of a supplier-customer relationship. We can call them and ask for revisions or tweaks in the system, and they'll go ahead and do it. They also give us many considerations before we do that." – Director of Environmental Health & Safety, Trailer Manufacturer 

A large, influential cloud services company hired Beyond for its content marketing and digital strategy expertise. The main project was a content hub that featured industry news and best practices for chief information officers (CIOs). They also designed a client-oriented newsletter for the company, which features vital industry and company information in a marketable format for users. The client praised Beyond's flexibility, noting that their projects included a number of pivots and last-minute changes that Beyond accounted for seamlessly.

"Their enthusiasm for our projects is unparalleled, and it’s great to have a partner that’s optimistic about what you can create together." – Content Marketing Lead, Large Tech Company

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

nomtek developed a mobile app to encourage the use of the client’s existing software tool, offering their technical expertise and capabilities in app optimization. They impressed the client with their coding, product development, and “tidy” end-to-end project management.

“There is nothing that I can think to improve. Overall, we were pleased by the collaboration. I would give them high marks for every factor.” – CTO at Educational Organization

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

Neoteric established a paperless workflow for an automotive company by developing a microservices application. The application has several modules and includes functions that allow customers to choose parts; help contractors and warehousing facilities; process payments; send and share documents; trigger the company's system to send emails; and manage customers' overall interactions with the company. The app has caused revenue to grow exponentially. 

"Now that I've worked with Neoteric, I understand what was wrong with previous vendors." – CEO, Automotive Company 

A pharmaceutical marketing company hired Atlas Computer Systems Ltd to create a solution for its unreliable databases. The client's goal was to create a new database system that would improve sales, marketing, and billing processes. Atlas Computer Systems Ltd implemented a new CRM, including integrations with QuickBooks and the client's multiple websites. The client appreciated Atlas Computer Systems Ltd's quality assurance process as data from the old database was migrated into the new system.

"We no longer worry about the quality of data we hold and identification mechanisms and deduplication workflows ensure that our data is clean. This is essential as our data is the backbone of our business." - Marketing Manager, Pharmaceutical Marketing Company

An investment management firm was looking for a developer for build a high-end WordPress site that could handle high volume traffic. Human Made developed a robust back end, consultation, and testing services on a tight timeline. The site is also scalable and able to handle millions of monthly users. 

"They do a very good job of meeting their estimations....For companies like ours, I would be more than happy to refer them." - CEO, Investment Management Firm 

A professional sports league’s communications team hired BrightStarr to build a SharePoint system to share documents, data, analytics, and resources and communicate more effectively across teams. At the time of the interview, the platform was not live, but the client said the partnership has been positive so far.

“Overall, the engagement has been really positive. One of the reasons that I decided to go with BrightStarr is that they aren't just going to deliver what was requested. BrightStarr is going to challenge us to do some new and innovative things and think outside the box.” – Strategic Planning Analyst, Professional Sports League

We designed and developed a new website for a large European independent provider of behavioral healthcare. The new website delivers an enhanced online experience for users and provides a flexible promotional tool for the client's digital marketing team.

"They manage the process really well, and are professional, well-mannered, and easy to deal with. They were communicative and collaborative at every stage, and more than happy to talk with us.If we ever need something done urgently, they hop right in and don’t put us in queue." – Head of Digital Marketing, Healthcare Group

After BJSS worked on automating a grocery store's software system, they later redesigned their e-commerce platform and built product scan tools. The agency delivered everything on time. The client prides BJSS on tackling such a hard project with intense passion.

"They're very straightforward, and they're very matter of fact. They tell you as it is, without dressing it up and without making drama of it." – Head of IT Delivery, Retail Grocer

Atlas - Clever Software developed an app for a corporate accounting firm. The firm wanted an app that would increase company engagement. Atlas - Clever Software handled everything development-wise. 

"The app was very well received by our team, by the rest of the company, by the board members, and now our customers. It’s a unique offering that none of our competitors are able to contend with." – Head of Internal Delivery, Corporate Accounting Firm

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

Valtech developed a web application for an auto manufacturer with the goal of creating a virtual car buying experience for people who do not visit car showrooms. The team delivered a sophisticated, user-friendly platform with straightforward features that made the car buying process easier in a digital setting.

An analytics provider found that their old development partner had become too expensive, so they hired Aplana Software to create a new platform that fetches data from several sources and compiles reports. Aplana Software continues to develop the client's website to their complete satisfaction. 

"The platform they built is currently responsible for the successful ingestion of over 100 different feeds. We asses our client satisfaction on a quarterly basis, and they’re consistently pleased with the data our platform provides." — Director of Innovation, Analytics Provider

BotsCrew developed a chat script for a cafe concept startup based in the UK. The client wanted to build an ordering system based on AI principles, and BotsCrew offered them the best value after a proposal. BotsCrew's team built 2 automation suites for ordering and management, and provided implementation and testing services. The scripts are now the backbone of the client's operations; they take a critical role in the customer experience and daily management tasks.

"Their bots have become the core of our business and have had an immense impact. We’ve been able to run several successful events and outlets with the chatbot, with nearly 1,000 orders to date. Furthermore, we’ve secured several educational talks to showcase the technology to university students." — Co-Founder, UK Startup

Ballard Chalmers Ltd integrated a billing platform into a web application for an energy company. Their team designed a UI and created scheduling features. improved functionality. Their work mproved booking and interface functionalities.

"They’ve really improved the functionality and our ability to work with other installers.."–Junior Product Manager, Energy Company

A fitness club hired Softwire for several projects after a successful website redesign. Softwire redesigned the client's booking system based on PHP and MySQL. Softwire then created a corresponding mobile app for booking. They also provide general maintenance and support, advise the client on branding and lead generation, and develop any custom software.

" Their mobile app, connected to the booking system, reduced the number of customers booking through our receptionists from 75% to 5% and allowed customers to easily schedule courses. Their stabilization to our main site helps bring in new members all the time. They cut down a significant amount of labor cost and continue to improve the membership experience." -IT Director, Fitness Club

Bright Interactive provided development services for a digital asset management firm. Their team at Bright Interactive customized interfaces and helped deploy backup servers. Their work received significant positive feedback from executives.

"Everything has been highly successful. Our main performance metric is whether or not our end clients have been happy with their solutions. They have been in every single instance."–Founder & CEO, Digital Asset Management Firm

MindK worked to expand a publishing house’s consumer facing cloud platform. They used MongoDB, PHP, and JavaScript to do data management and frontend development work to expand the platform. The client’s existing customers were happy with the improvements to the product, and the client saw potential to continue expanding the service.

“The most impressive thing is their commitment to the project, as well as their guarantee of the quality of work.” – President, Publishing House

A prominent mobile game developer partnered with Opus Online to design and develop their flagship consumer-facing website. Opus had originally provided content management solutions through subcontracting. When the client needed a new website, they decided to hire them directly. The team delivered a highly customized content management system that prioritized straightforward navigation and interactive content. The client was pleased both with the quality of the work and communication processes, noting their flexibility for both in-person meetings and Skype calls. This partnership has helped both companies grow considerably.

"I would not even talk to a vendor that didn't provide the level of quality found in Opus Online. I'm very picky in terms of companies that I work with. They met my expectations in this sense." - IT Manager, Mobile Game Developer

Audacia developed a sophisticated Magento-integrated database for a data center equipment broker. Audacia delivered a high-performing database integrated with both the Magento build and Sage 200 ERP, and the site has had no unplanned downtime since partnering with them.

"They were clear and transparent, which is important for project management. Their updates were good and they were fantastic communicators." — IT Security Manager, Hardware Broker

 Ideamotive developed management software to adapt to the client's rapid growth. Ideamotive automated many of the client's operations, like task assignments and document generation.

"They performed perfectly. They make sure they understand us and that we understand them." — Co-Founder, Real Estate Drafting Firm

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

Flat Rock Technology created an e-commerce website for a travel bicycle retailer. They continue to maintain the website with various updates. The client prides the team on their professionalism. 

"There is a high degree of professionalism in the team, and they always go the extra mile to complete a task. By opening up new channels, we have increased our sales revenue opportunities exponentially." – Head of Digital Technology, Travel Bicycle Retailer

EffectiveSoft developed a customer ERP platform for a pool and spa manufacturer. The team used .NET to ensure the system's compatibility with their Microsoft-based operations. The finished product was high-quality and cost-effective.

"The estimations given to us were precise and the quality of work is very good. They have solid expertise in terms of database development and business application design." — IT Director, US Manufacturing Firm

Cygnet worked with this tech consulting firm to help with a host of different software development projects. Cygnet created WordPress sites and developed video platforms through the Azure cloud system. The team oversaw the development of useful form-based solutions and provided extensive SharePoint branding work.

“Their level of technical knowledge has been astounding.” – SharePoint Architect, Tech Consulting Firm

SpyroSoft worked with a digital transportation company on UI design, QA, and app development. They set up a team with the skills needed for selected technologies and ran 5-10 projects at a time. The client was impressed with the quality of their work,

“With SpyroSoft, we’ve achieved really elevated standards while meeting all deadlines and budget constraints. Their work has been of very high quality, which we can measure by the nonexistent or minimal amount of bugs found by our clients.” – Executive Partner, Digital Transportation Company

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

A security firm hired YouTeam to develop custom software. The client's goal was to create one software that could integrate staff schedules, assignments, and payroll with client relationship management. YouTeam created the concept and an MVP version of the software, which runs on a cloud platform. The client especially appreciated YouTeam's insight that they could sell the completed software to other companies facing the same challenges once it was completed. 

"The quality of their work is very good; there’s very few bugs. All the data is secure." - Owner, Security Firm 

Apptenstion partnered with a creative studio to develop an interactive website. They used content provided by the client and facial recognition software to build a website that would respond to a user’s gaze to display content and tell a story. The site was a huge success and won four industry awards.

“They were interested in our work and make the project their own. That sense of responsibility and engagement truly distinguished them.” – Digital Delivery Director, Creative Studio   

Pagepro developed a WordPress website for a design studio. Within 10 days, Pagepro provided technical scoping, programming, WordPress customization, and project management services for the client, who praised Pagepro’s consistent communication skills.

“The impact of their work has been very positive. We knew how challenging the deadline was, but they delivered on time and within budget.” — Owner, Design Studio

Softengi developed IoT solutions for an IoT development firm. They built scalable IoT software and hardware for the client, including cloud development, web and mobile apps, and sensors. The clients were happy with the outcome of the project.

“They delivered hardware and software that was powerful and flexible enough to use to build custom solutions for our clients.” – Business Development Director, IoT Development Firm  

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

MWDN was hired by an application solutions company to create an online platform allowing users to build their own apps. MWDN's development resources with React Native, .NET, C#, and Java, among others, helped the client insert "drag and drop" capabilities to enable users to develop their own mobile apps. 

"We were able to reduce development costs by 50%, and we tripled the rate of the development because they hired so many dedicated developers." — COO, Applications Solutions Company

A news agency already had mobile apps, but they weren't meeting their expectations. Hestabit Technologies redeveloped several Android and iOS apps, rebuilding the code and adding new features such as video streaming. The newer apps have millions of downloads. 

"The apps have been downloaded a few million times. For comparison, the previous apps had been downloaded a few thousand times. The overall rating had been an average of 3.1 or 2.8, and now the average rating is 4.5 or 4.7. That’s the major key difference that we have." – Product Manager, News Agency

DabApps built an app for an illustration agency. They created apps for Android and iOS that fit the client's specifications and incorporated their visuals, artwork, and custom emojis. The client was very satisfied with the product, and with the professional partnership. 

“They were really good. They stuck to all the deadlines we set which were quite tight at times. They had very good project management overall.” – Agent, Illustration Agency  

Inviqa provided full-cycle web development for a holding company. They created over 50 flagship sites for different products using Magento, WordPress, and Drupal. The websites were responsive, e-commerce ready, and consistent with the products' respective brands.

"We've gone from having a skeletal technical architecture that supported one or two brands to delivering 10 to 12 brands, and more than 60 websites over the course of these three years. It's a big feat that they've managed to deliver." – Head of Digital Solutions, Global Holding Company

Ignitho Technologies helped an accounting software company to rebrand and update its website. The client was ready to launch a new, rebranded image for their site, but was concerned about generating enough traffic. The team employed SEO best practices to advise the move to a more standard web-platform and in the use of some plugins that would optimize the site’s search results. The client notes that the site’s traffic was already doing better than was expected, less than a month after its launch.

“We had very high expectations and standards … Ignitho was very happy to adapt to our style and templates and did so successfully.” – Head of Marketing, Accounting Software Company  

Shaligram Infotech developed a mobile application from a framework provided a music record firm. The app provides career and tour management services for professional artists. The work has received positive feedback.

"I’ve received positive feedback and plenty of opinions on how to make improvements, which is exactly what I wanted at this stage." – CEO, Music Record Firm

Computools built a web app that integrated thousands of applications for a software-as-a-service (SaaS) platform. They used Node.js to re-code the platform to make it easier to integrate new systems. Their work was successful, as the web app’s monthly users more than doubled. 

“They are very accommodating. They have very talented people. I’ve worked with hundreds of overseas developers and it’s not normal to have such excellent overseas developers.” – CTO, SaaS Platform  

Entropy created an app for a media company. They designed and developed apps for Android and iOS that allowed users to stream and download content produced by the client. The client was impressed with the results of their work. 

“Because they had so much expertise in developing mobile apps, they were able to offer incredibly helpful advice on how to build the product.” – Managing Editor, Media Company  

A6 Digital developed an e-commerce site for a car rental company. Using HTML, the team applied brand themes and colors to design a website that met the client's needs and reflected the brand. The firm provided front end and back end designs to the website. A6 Digital also provided images and landing pages for sales for the website's design and made the site compatible with most mobile devices.