Looking for a top staff augmentation service in the United Kingdom?

Maintaining all of your business processes and services requires an incredible amount of patience and diligence, and sometimes you need external expertise to do so.

To assist you in your search for a partner, we’ve compiled this list of the top IT staff augmentation companies 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 Staff Augmentation Firms

  • 1
    $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

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  • 2
    $50,000+
    1,000 - 9,999 Employees
    Leeds United Kingdom

    Headquartered in Leeds, United Kingdom, BJSS is an IT consultancy with offices in London, New York, and Bristol and Manchester, U.K. Since 1993, their team of 750+ has specialized in custom software development, application testing, IT strategy consulting, and more for enterprise-level and midmarket clients. 

    Clients
    Euroclear
    Barclays
    Xerox
    BBC
    Industries
    Notable Project

    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

  • 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
    Notable Project

    GoodCore Software transferred a paper-based database for NHS patients to a searchable online system. The client required an online database of rehabilitation services and providers with a structured user permissions hierarchy. GoodCore took a specification/brief and translated it into a detailed system specification. The solution was developed along agreed milestones and deployed onto servers.

    “The system is currently live and saving significant amounts of time and improving services for patients. GoodCore Software demonstrated a clear understanding of our needs from the outset. Excellent user interface design has made the system very appealing to our users." – Managing Director, advisory firm for patients of NHS hospitals

  • 4
    $10,000+
    250 - 999 Employees
    London United Kingdom

    Tremend Software Consulting is a software engineering company in Bucharest, Romania; Aliso Viejo, Calif.; and Brasov, Romania. Founded in 2005, they have about 337 employees that serve mostly midmarket and small-business clients in the financial, IT, and telecommunications sectors. Services include IT managed services, custom software development, and e-commerce development. 

    Clients
    Orange
    ING Bank
    Carrefour
    Actility
    Industries
    Notable Project

    Tremend Software Consulting handled mobile app and web development efforts for an independent media platform. They built a native app for iOS, Android, and web, comprising the partner's MVP. The partner had nothing but praise for the results of the engagement, and the solution met expectations. 

    "They are super flexible and they want to understand the need behind the project and they want to be a part of it." –Co-Founder, Independent Media Platform

  • 5
    $250,000+
    10 - 49 Employees
    Lochore United Kingdom

    Kaynes is an IT company based in Lochore, Scotland with more than 10 employees. Founded in 2014, they specialize in IT staff augmentation solutions for clients ranging from small firms to large businesses in the fields of financial services, IT services, and more.

    Clients
    Anki
    NW Tech Event IT
    Industries
    Notable Project

    Kaynes provided IT staff augmentation services for a developer. The developer needed additional development assistance for one of their projects. Kaynes was able to comfortably work with the developer and successfully finish the project.

    “They’re exceptionally helpful.” - Head of IT, Developer

  • 6
    $25,000+
    50 - 249 Employees
    Ratby United Kingdom

    Founded in 2007, Evolve IT Consulting is an IT consulting firm. Their team is based in Ratby, United Kingdom, with an additional office in Kyiv, Ukraine. They focus on custom software development, IT staff augmentation, and mobile app development.

    Clients
    Zeux
    Bridgestone
    Symphony
    Industries
    Notable Project

    Evolve IT Consulting provides staff augmentation and recruiting services for a virtual event company. The team handles everything from the interview process through onboarding, as well as admin services.

    "We’re happy with what we have with Evolve IT Consulting, in terms of timely delivery and quality of code." – Founder & CEO, Virtual Event Company

  • 7
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Softwire is a software development company founded in 2000. Softwire's team of 122 works across two UK offices in London and Bristol. They provide web development, custom software development, mobile app development, and IT strategy consulting, mostly for non-profits, media, and education companies. 

    Clients
    BBC
    Allianz
    Royal Pharmaceutical Society
    Industries
    Notable Project

    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

  • 8
    $50,000+
    50 - 249 Employees
    London United Kingdom

    Global Talent is an IT firm based in London with more than 50 experts. Since their founding in 2017, they have provided IT staff augmentation, custom software development, and IT strategy consulting solutions for clients ranging from small firms to large companies.

    Clients
    Playtech
    Holovis
    SmartXpo
    Industries
    Notable Project

    Global Talent provided staff augmentation services for a sustainability company. The company was in need of a low-maintenance team that didn’t need significant management. The company is satisfied with Global Talent’s contributions thus far.

    “They’re very collaborative, and we maintain excellent communication with them.” - Technical Director, Sustainability Company

  • 9
    $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
    Focis
    Meta Bytes
    Mindset Innovation (Eno)
    Petromex
    Industries
    Notable Project

    CSHARK is developing custom software for a research company from Switzerland. Working in C# and .NET, the team is implementing a wide range of solutions such as graphical interface, SQL database, algorithmic generation, or modeling engine.

    "The code quality increased drastically by reaching an 80% code coverage in just a few months of work, while the amount of feature implemented more than doubled since the arrival of the CSHARK development team.” - Software Architect, Research Company.

  • 10
    $1,000+
    10,000+ Employees
    London United Kingdom

    Founded in 2020, My Team Abroad is an IT staff augmentation firm based in London. They work with small and midmarket businesses primarily. 

    Clients
    RedGrid
    Orion Protocol
    WebSummit
    Industries
    Notable Project

    My Team Abroad worked with a software development company to provide developers. They recruited two resources. They were communicative and easy to work with. 

    "It’s hard not to be happy with My Team Abroad." – CEO, Development Company

  • 11
    $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

  • 12
    $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
    Eurostar
    Harley Davidson
    Jaguar
    Universal Pictures
    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

  • 13
    $50,000+
    1,000 - 9,999 Employees
    London United Kingdom

    DataArt is a software engineering firm in München, Germany; Zug, Switzerland; London, England; and New York. Founded in 1997, they have about 3,000 employees that serve mainly midmarket and small-business clients in the financial, healthcare, and IT sectors. Services include custom software development, enterprise app modernization, and UI/UX design.

    Clients
    Apple Leisure Group
    Cancer Research UK
    Nasdaq
    Credorax
    Industries
    Notable Project

    DataArt provided QA services for a financial institution. In order to help facilitate a smooth transformation, their team tested credit card payments, billing, and other automated functionalities. Their work has received positive feedback and helped detect bugs and issues.

    “The substantial parts are that they’re really transparent and responsive.” – VP & CTO, Financial Institution

  • 14
    $5,000+
    50 - 249 Employees
    London United Kingdom

    Railay is a software development talent partner with headquarters in Ho Chi Minh City, Vietnam, and an office in London. Founded in 2010, their team of about 15 employees offers staff augmentation services in a quick, flexible, and scalable manner to mostly small-scale clients in e-commerce and education sectors. Additional services include custom software and e-commerce development.

    Clients
    Softbank
    Toyota
    Regal Logistics
    Industries
    Notable Project

    Railay built a CMS for a digital marketing company with the objective of creating a place to promote new products, create social campaigns, and offer sign-up features for promotions. The project team use Java for development and also provided the UI/UX design. Ultimately, they delivered a bug-free platform on time and with seamless interaction. 

    "Everything has been working error-free." – Director, Digital Marketing Company

  • 15
    $25,000+
    250 - 999 Employees
    London United Kingdom

    UDEV HUB is a software development company founded in 2018 in Kyiv, Ukraine with over 250 members. They specialize in cybersecurity, IT staff augmentation, and custom software development solutions for clients in the fields of financial services, e-commerce, and education.

    Clients
    GBS SOLUTIONS
    PZU
    v
    Industries
    Notable Project

    UDEV HUB developed a web app for an AI-based security company. UDEV HUB was in charge of developing the web app’s front-end systems. The company was able to conduct multiple demos thank’s to UDEV HUB’s assistance.

    “The workflow was very effective.” - Head of Product, AI-Based Security Company

  • 16
    $5,000+
    2 - 9 Employees
    Pembroke Dock United Kingdom

    Kew Consulting is a consultancy founded in 2017 in Pembroke Dock, Wales, with no more than 10 members. They are experts in IT staff augmentation, custom software development, and web development services for clients in the industries of real estate and education.

    Clients
    Saragossa
    Industries
    Notable Project

    Kew Consulting developed a platform for a fintech and data science recruiting company. Kew Consulting was in charge of developing leaderboard functionality using .NET and JavaScript. More than 90% of the company’s members are using the CRM solution.

    “We gave them a brief, they built it, and there were very few changes we needed to do.” - Manager, FinTech and Data Science Recruiting Company

  • 17
    $25,000+
    10 - 49 Employees
    London United Kingdom

    ROKi is an IT firm based in London with more than 10 experts. They have provided e-commerce development, IT managed services, and IT strategy consulting solutions since their founding in 2015. They mainly work with small and medium-sized businesses in retail, e-commerce, and more.

    Clients
    The Guardian
    AllFlex
    TVSquared
    Industries
    Notable Project

    ROKi developed a custom software solution for a P2P currency exchange platform. The platform had a roadmap with ambitious goals and milestones and needed an agency that could work with their pace. ROKi has helped launch various features for the platform since.

    “They truly felt like they were part of our team, which made working with them fun and rewarding.” - Head of Product, P2P Currency Exchange Platform

  • 18
    $1,000+
    10 - 49 Employees
    London United Kingdom

    Teceze Ltd is a London-based IT company founded in 2012 with more than 10 employees. They are experts in IT strategy consulting, cybersecurity, and IT managed services for clients that work in the industries of business services, consumer products, and more.

    Clients
    Outsell, Inc.
    Industries
    Notable Project

    Teceze Ltd provides IT managed services for a research advisory firm. The firm was in need of a new IT support company to handle their IT needs. The firm has partnered with Teceze Ltd ever since.

    “They’re available 24/7 and responsive, usually within 10 minutes. They have a ticketing system installed on each machine for issue reporting.” - VP of IT Operations, Research Advisory Firm

  • 19
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Founded in 2014, DOIT Software is an IT company based in Boston, Mass., with other offices in California and Ukraine. Its team of 25 specializes in mobile and e-commerce development, as well as UX/UI design.The client appreciated DOIT Software's ability to work overtime to meet deadlines, as well as their quick response times despite a significant time zone difference.

    Clients
    Sellvana
    Ideo Solutions
    Inigo
    Vonnlighting
    Industries
    Notable Project

    DOIT Software was hired by a consultancy to built an iOS app to accompany an existing Android app. DOIT Software also assisted with a digital business card product the consultancy created.

    "Before major releases, a part-time QA person spends a few days testing it before we push it to the App Store which results in a smooth launch and everything working great." - Business Consultant, Consultancy

  • 20
    $1,000+
    10 - 49 Employees
    London United Kingdom

    CrewNew.com is a web, software, design, and marketing agency based in London with offices in Tartu, Estonia and Kragujevac, Serbia. The agency, founded in 2006, has a team of more than ten that provides, among others, IT staff augementation, custom software development, and web development services to various companies and institutions.

    Notable Project

    A Software Development Firm hired CrewNew.com to build a white label team messaging software that could be used by the Firm's employees and customers. This software was intended to work like Slack but with lower running costs. CrewNew.com delivered the team-messaging software that works on Android, iOS, Windows, OSx, and Linux and worked very fast. As a result, the Firm was saving a lot of money because they're no longer using Slack.

    "CrewNew team is always using the best project management apps & tools." - CEO, Software Development Firm 

  • 21
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Software Interactive, a midsize custom software development company, is in Gliwice, Poland. Established in 2013, the team focuses on custom software development, web development, mobile app development, and IT staff augmentation.

    Industries
    Notable Project

    Software Interactive collaborated with an IT services company for custom software development. The team’s main responsibility revolves around algorithm designs and implementations.

    "We highly valued their expertise."

  • 22
    $5,000+
    2 - 9 Employees
    Reading United Kingdom

    Deployflow is a boutique DevOps agency composed of a team of fewer than 10 professionals founded in 2010. Based in Reading, the United Kingdom, they provide cloud consulting & SI, cybersecurity, and IT managed services solutions for small and medium-sized businesses in various fields, such as financial services, IT, and real estate.

    Clients
    TCN
    Vodafone
    Zilch Technology
    Industries
    Notable Project

    Deployflow worked with an IT consultancy office to help fill the skill gap in their consulting portfolio for clients in Dubai. Deployflow helped by providing custom solutions to the consultancy's clients. Deployflow has never missed a deadline over the years and has continued to provide reliable service to the consultancy.

    "If we come to them with a task in their area of expertise, they deliver. They’ve never been late and our clients are always happy. Thomas is our secret weapon. Whenever we bring him to a meeting, people don’t want him to leave. This is the general nature of our business relationship." - Founder, IT Consultancy Office

  • 23
    $1,000+
    10 - 49 Employees
    London United Kingdom
    Established in 2011, iConnect info solutions pvt ltd is a web development firm. They are headquartered in Navi Mumbai, India and London, United Kingdom and have a small team. Their services include web development, IT staff augmentation, mobile app development, and cloud consulting & SI.
    Industries
    Notable Project

    An industrial tools company hired iConnect info solutions pvt ltd to provide custom software development services. They are tasked with developing and designing the company's website.

    "Their expertise and speed of execution of the platform have been impressive."

  • 24
    $5,000+
    50 - 249 Employees
    London United Kingdom

    Crunch is a software development firm based in Lviv, Ukraine. Founded in 2018, their 30-person team specializes in IT staff augmentation. They buttress engineering teams and serve as an outsourced tech provider.

    Notable Project

    Crunch provided development support for a media & broadcast solutions firm. Using React and Node.js, they built a web application for a third-party customer. They proved to be a reliable and capable partner. 

    "I thought the resources they provided were decent, especially for their rates. They’re all proactive and they work honestly." — CEO, Media & Broadcast Solutions Firm

  • 25
    $5,000+
    50 - 249 Employees
    London United Kingdom

    Urolime Technologies is a DevOps consulting company founded in Cochin, India in 2011. With over 50 professionals, they provide cloud consulting, IT managed services and IT staff augmentation solutions to clients across various industries.

    Industries
    Notable Project

    Urolime Technologies provided managed IT services for a software development firm. The firm needed consistent support for their SaaS infrastructure with minimal downtime. With 99.99% uptime, the firm is satisfied with Urolime Technologies’ services.

    “It’s more than just a business relationship between us, which I really appreciate.” - CEO, Software Development Firm

  • 26
    $1,000+
    2 - 9 Employees
    Hatfield United Kingdom
    Innovensa Ltd is a software development firm. Their small team is in Hatfield, United Kingdom and focuses on custom software development, application management & support, mobile app development, web development, and more. The agency was launched in 2017.
    Industries
    Notable Project

    Innovensa Ltd has refurbished the software of a healthcare startup by updating its design and security system. The team has used Azure to develop the cloud-based platform. They also provide branding assistance.

    "They’re an imaginative team, and they’re always willing to go above and beyond to deliver our needs."

  • 27
    $5,000+
    10 - 49 Employees
    Hertfordshire United Kingdom

    JANETO is a software company headquartered in Ho Chi Minh, Vietnam with an office in Providence, R.I. Founded in 2014, the team of 21 specializes in web development, mobile app development, and graphic design. They work with midmarket and small businesses, focusing on business services, retail, and e-commerce.  

    Clients
    Wow! Kids
    POLYGON
    eGov
    Industries
    Notable Project

    JANETO worked with an emoticon social media platform to develop an application for Android. They created an app that features backgrounds and emoticons that can be used in text messages and developed a calendar to release new emoticons for users. The client was impressed with their ability to make the client’s ideas a reality. 

    “They brought our idea to reality. They were quite cost-effective compared to what others quoted. They were easy to work with. Given the language barrier, they were great communicators.” – Director, Emoticon Social Media Platform

  • 28
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Headquartered in Moskva, Russia and New York, New York, KOTELOV is a software development firm. The midsize company was launched in 2011. Their services include custom software development, mobile app development, web development, and IT staff augmentation.

    Industries
    Notable Project

    KOTELOV provides software development services for an airline company. Their biggest project so far has been an iOS app for the airline’s cabin crew. The team also provides analytics for the project. 

    “They’re very responsible, and they deliver on time.”

  • 29
    $5,000+
    10 - 49 Employees
    Heywood United Kingdom
    Evaris is an IT managed services company. They are located in Heywood, United Kingdom and have a small team. The firm provides IT managed services, IT strategy consulting, unified communications consulting & SI, and cloud consulting & SI.
    Industries
  • 30
    $50,000+
    10 - 49 Employees
    Manchester United Kingdom

    Desap is a software development company headquartered in Manchester, United Kingdom, founded in 2014. They have 16 employees and they specialize in custom software development, mobile app development, and UX/UI design.

    Clients
    ERAS+
    Sleep Smart
    G-Set
    Respassist
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