The Best Staff Augmentation Firms in the UK

List of the Best United Kingdom Staff Augmentation Firms

Looking for 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.

  • 1

    Unosquare, LLC

    Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico and Belfast, U.K. With more than 520 employees, they provide world class Staff Augmentation services for all of your software engineering needs, using top-tier nearshore development professionals.

    Notable Project

    With its focus on staff augmentation projects, Unosquare, LLC worked with an internet SaaS company to find two engineers for the company's team.

    "Unosquare engineers were embedded directly into our teams and participated as an equal team member with our other engineers. Communication, collaboration, and workflow was incredibly smooth." – Director of Engineering, SaaS Company

    Former clients
    Vesta
    Harvard Business Publishing
    Foundation Medicine
    Edwards Lifesciences
    Axis Bank
    $ $ $ $ $
    equalizer $25,000+
    group250 - 999 Employees
    place Belfast, United Kingdom
    4.9
    4.9
    9 Clutch reviews
  • 2

    BJSS

    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. 

    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

    Former clients
    Euroclear
    Barclays
    Xerox
    BBC
    $ $ $ $ $
    equalizer $50,000+
    group1,000 - 9,999 Employees
    place Leeds, United Kingdom
    4.5
    4.5
    5 Clutch reviews
    Awards

    The Queen's Award for Enterprise (2018) , The European Software Testing Awards (2015, 2016) , Best in Business Awards (2014)

  • 3

    Softwire

    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. 

    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

    Former clients
    BBC
    Allianz
    Royal Pharmaceutical Society
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.7
    4.7
    7 Clutch reviews
    Awards

    2013 Inspiration of the Year Award

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  • 4

    Black Pepper Software Ltd.

    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.

    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

    Former clients
    Response Multimedia
    Bravissimo
    Attraction World
    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place Leamington Spa, United Kingdom
    4.9
    4.9
    15 Clutch reviews
  • 5

    Codibly

    Codibly is a consulting and software development company based in Krakow, Poland. Founded in 2011, the team of 29 specializes in custom software development, web development, and mobile app development.

    Notable Project

    Codibly worked on an online platform for an insurance firm. Within a two-week period, they utilized existing wireframes to create a usable product. The client was impressed with the quality of work they delivered.

    “The quality is extremely high and the turnaround was very fast. If we had any issues, Codibly provided a solution. They’re exactly the kind of project team I needed, and the functionality and reliability of the portal is solid.” – Open Market and Facultative Manager, Insurance Firm

    Former clients
    MyShowcase
    KiWi Power
    PA Consulting Group
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.7
    4.7
    14 Clutch reviews
  • 6

    Cloud Devs

    Founded in 2015, Cloud Devs is a development firm based in Hackney, United Kingdom. They have a team of nine employees who specialize in IT staff augmentation

    Notable Project

    A media storytelling company hired Cloud Devs to update a website, also making improvements to the client's app.

    "As soon as the new website went up, we started having more views, our merchandise sales increased, and we have received more donations ever before." -Founder, Media Storytelling Company

    Former clients
    EnlightenedMeFeed
    Traccion
    $ $ $ $ $
    equalizer $10,000+
    group2 - 9 Employees
    place Hackney, United Kingdom
    5.0
    5.0
    2 Clutch reviews
  • 7

    Flat Rock Technology

    Flat Rock Technology is a development agency headquartered in London, with an office in Varna, Bulgaria. Since 2008, their team of 88 has been specializing in custom software development, mobile app development, UX/UI design, and more for mainly midmarket-size clients. They primarily serve clients in the IT, consumer products & services and media industries. 

    Notable Project

    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

    Former clients
    Purify Digital
    Triple Jump Technologies
    LabWorm
    Doppio
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.7
    4.7
    11 Clutch reviews
  • 8

    DIGIS

    DIGIS is a software development company based in Larnaka, Cyprus. They were founded in 2009 and have a team of 77 employees. They specialize in custom software, web, and mobile app development for midmarket and small business clients in the business services, financial services, and media industries. 

    Notable Project

    DIGIS developed a platform for a media company. They created a platform that would allow the client to make changes to all 27 of the sites that they controlled. They performed an architectural migration to Microservices and connected all the sites to the same backend. The client was very happy with the finished product and impressed with the quality to cost ratio of the work.

    “They offered very competitive prices and adhered to the schedule we set.” – Senior Contractor Manager, Media Company
     

    Former clients
    Roomster
    Entr
    Lingo
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place Kendal, United Kingdom
    4.8
    4.8
    34 Clutch reviews
  • 9

    Railay

    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.

    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

    Former clients
    Softbank
    Toyota
    Regal Logistics
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 10

    TrendLine Global

    TrendLine Global is a global software development, outstaffing and outsourcing company with offices in London; Frankfurt, Germany; Irvine, Calif.; and Kyiv, Ukraine. Founded in 2010, they have 40 employees specializing in hiring remote developers, web and mobile app development, blockchain technologies, and IT solutions. They work for small and midmarket companies in finance, IT, and business services.

    Notable Project

    TrendLine Global provided resources to build an e-commerce store for a telecommunications provider. They also helped design the UI/UX and implement SEO. The e-commerce store has launched and seen increased sales.

    “TrendLine Global's resources show expertise, diligence, and flexibility, as evidenced by their top-notch deliverables and ongoing support. As a result we’ve got sales increasing due to the well-performing e-commerce store.” – Director, Telecommunications Provider

    Former clients
    TSI Analytics Inc.
    Skywire Technologies Pty Ltd
    Splynx
    NuTheorie
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    9 Clutch reviews
  • 11

    Phaedra Solutions

    Phaedra Solutions is an outsourcing development company headquartered in Lahore, Pakistan. Their team of approximately 52 employees serves small to midmarket clients. Along with custom software development, they also provide web, mobile, and e-commerce development. They're proficient in a variety of tech stacks.

    Notable Project

    Phaedra Solutions developed custom software for an injury law firm. They created and continue to manage enterprise applications for the client. They also oversee the hiring of development talent. They've successfully met and managed the client's expectations.

    "Phaedra worked to find the right team members for my project and insured it's success." — Software Architect, Injury Law Firm

    Former clients
    Penorama
    Travelsmeet
    Food Karma
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    7 Clutch reviews
  • 12

    DOIT Software

    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.

    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

    Former clients
    Sellvana
    Ideo Solutions
    Inigo
    Vonnlighting
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.9
    4.9
    17 Clutch reviews
  • 13

    Distributed

    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.

    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

    Former clients
    Providence Group
    MKL Innovation
    ABM Communications
    $ $ $ $ $
    equalizer $10,000+
    group250 - 999 Employees
    place London, United Kingdom
    4.8
    4.8
    3 Clutch reviews
  • 14

    UVIK Software

    UVIK Software is a software development company based in Chernivtsi, Ukraine. It was founded in 2015 and has a 9-person team. They provide web development services to clients in the education, financial services, health care & medical, and media sectors.

    Notable Project

    UVIK Software was first hired to provided technical assistance before the client expanded the role. The development team used a Django stack for the backend and React Native for the frontend. The client was pleased with their work, particularly during important phases of the project.

    “Their work has been deployed in mission-critical environments. We’ve been extremely satisfied with the results of their work.” – President & Co-Founder, Software Company.

    $ $ $ $ $
    equalizer $50,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    4 Clutch reviews
  • 15

    Teceze Ltd

    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.

    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

    Former clients
    Outsell, Inc.
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.5
    4.5
    1 Clutch review
  • 16

    Deployflow

    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.

    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

    Former clients
    TCN
    Vodafone
    Zilch Technology
    $ $ $ $ $
    equalizer $5,000+
    group2 - 9 Employees
    place Reading, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 17

    Innowise Group

    Innowise Group is a software development company based in Vitebsk, Belarus with additional locations in Kiev, Ukraine and London. They were founded in 2007 and have 75 employees. Along with custom software development, they also excel at UX/UI design, IT strategy consulting, application testing, and IT staff augmentation.

    Former clients
    Terraces.io
    Voka
    Belyagdar
    Instatsport
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 18

    CrewNew.com

    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 

    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    2 Clutch reviews
    Awards

    BBC , Republic of Estonia Government , Jungent , bemore

  • 19

    ITSTEADY

    ITSTEADY is a custom software development company based in Las Vegas, with offices in London and in Minsk, Belarus. The company, founded in 2016, has more than 30 employees and provides a wide range of services -- including IT staff augmentation, custom software development, and web development -- to small and larger-sized companies and institutions in the advertising & marketing, business services, education and various other industries. 

    Notable Project

    An oil company hired ITSTEADY to develop an internal portal that accommodates the full organizational structure, supports processes throughout the company’s departments, is integrated with multiple legacy systems, and have a custom UI design for each user role. ITSTEADY delivered the portal and is now in use. 

    "Within four months, we introduced a global collaboration hub for all employees." - IT Manager, Oil Company

    Former clients
    BMO
    Newmont
    Omnitron Systems
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
Tell us about your project
NEED HELP SELECTING A COMPANY?

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.

TELL US ABOUT YOUR PROJECT