Top IT Outsourcing Companies in the United Kingdom
Goodfirms has reviewed 173 IT Outsourcing Companies in the United Kingdom as of November 2026. The top-ranked firm is Saigon Technology (4.9 stars, 53 verified reviews, $25 - $49/hr, founded 2012, London). Across the category, the median hourly rate is $37, median client rating is 4.9, and 23% of firms employ 50+ members. Explore the vetted IT Outsourcing Companies in the United Kingdom below, compare their strengths, and connect with the provider best suited to your requirements.
Irrespective of the business size, people choose to go for IT outsourcing services instead of setting up an in-house department. The primary reason being reduced labor costs. Are you one of those people based out of the UK and looking for IT outsourcing companies in the UK? Then we can prove to be of some assistance. Check out Goodfirms devised a list of top outsourcing service providers in the UK. You might be thinking, what makes these service providers so reliable? Well, all of the IT outsourcing firms in the UK mentioned here have been compared against several crucial parameters. These parameters ensure that you get the best in class services.
Goodfirms has verified 173 IT Outsourcing Companies in the United Kingdom - part of 4,049+ IT Outsourcing Companies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of Outsourcing Service Providers in the UK | IT Outsourcing Firms in the UK
Saigon Technology is recognized as an IT services company offering software development, QA, and outsourcing solutions to global markets. It ranks alongside the best IT services companies serving international clients seeking cost-efficient engineering talent and reliable delivery. Businesses comparing IT solutions providers for dedicated development ... read Saigon Technology reviews & insights
$25 - $49/hr250 - 9992012London, United KingdomTheir expertise and dedication was really impressive.
- Technical Recruiter at Tech genius incWhy Saigon Technology?
- Proven software outsourcing in Vietnam
- 400 skilled engineers with Agile process
- High quality cost effective solutions
Anadea offers consulting and audit services for companies assessing software quality, architecture, and accumulated technical debt across projects. As one of the best IT consulting companies with hands-on engineering experience, it provides actionable recommendations rather than generic reports or checklists. Clients seeking IT consulting services ... read Anadea reviews & insights
$25 - $49/hr50 - 2492000Abbeywood, United KingdomAnadea always delivers on time with high quality.
- Sr. Product ManagerVirtueUK is a multi-award winning Managed Services Provider (MSP) based in London, UK. Our mission is to raise your IT service delivery standards through our highly ethical approach centred on integrity, transparency and accountability. We focus on organisations between 30-400 employees and enhance their IT ... read VirtueUK reviews & insights
$25 - $49/hr10 - 492016London, United KingdomPositive, with expected outcomes.
- Head of Infrastructure ArchitectureUsing AI Tools
ChatGPT
SoluLab is a premier AI-native, Blockchain, and Web3 development firm dedicated to engineering "AI-First" solutions that redefine industry standards. From Generative AI and AI agents to blockchain and tokenized platforms, we design and build technology that drives measurable business outcomes. With a team of 250+ ... read SoluLab reviews & insights
$25 - $49/hr250 - 9992014London, United KingdomAn engineering team that learned my industry fast enough to build something I trust with a client's
- AnonymousWhy SoluLab?
- ISO-Certified Development Team
- 10 plus Years of Digital Innovation
- Custom AI Solutions for Every Business
Using AI Tools
Claude
GitHub Copilot
Cursor
Lovable
Sovera AI
- + 10 More
Notch is a European AI-native product engineering company for mid-to-large enterprises, formerly Agency04. We build AI agents, models, and enterprise-grade custom software products. What do we do?AI-native software development. New software products built from scratch, and legacy application modernization. Senior engineers direct coding agents across ... read Notch (Notch Software Solutions) reviews & insights
$50 - $99/hr50 - 2492014London, United KingdomFlexible and Collaborative App Development Partner
- Head of ITWhy Notch (Notch Software Solutions)?
- More than 300 projects since 2014
- End-to-end. New products & legacy modernization
- Trusted by STRABAG, Delivery Hero, T-com, A1
Using AI Tools
AI Voice Agent
AI Agent
AI Chatbot
SupportYourApp is an international Intelligent Support-as-a-Service company that has been providing secure technical, customer support and CX services to growing companies around the globe since 2010.We provide omnichannel inbound customer and technical support, tailored to diverse business needs — whether that’s low-volume 24/7 coverage or ... read SupportYourApp reviews & insights
< $25/hr1,000 - 9,9992010London, United KingdomSupportYourApp delivers professional, personalized customer support that has helped improve both customer satisfaction and retention.
- AnonymousWhy SupportYourApp?
- PCI DSS Certified Level L1 and Level L2 Provider
- ISO IEC 27001 Certification
- GDPR-, CCPA-, and HIPAA-compliance
Using AI Tools
ChatGPT
GitHub Copilot
Enigmatix Global is a software engineering consultancy founded in 2008, delivering offshore development centers, dedicated teams, and staff augmentation to clients worldwide. With 500+ engineers across 7 global hubs, we specialize in custom software development, cloud & DevOps, AI/ML, mobile, and platform engineering — helping ... read Enigmatix Global reviews & insights
$50 - $99/hr250 - 9992008Rochdale, United KingdomA trusted go to partner
- Co FounderWhy Enigmatix Global?
- Dedicated teams, on time & on budget
- Full-stack, AI, cloud, mobilFull-stack, AI, cloud,
- End-to-end, design, build & DevOps
We build excellent mobile & web applications using current technologies and advancements. Mobitsolutions is a website development company in uk also provides Mobile Apps, digital marketing services, with a focus on search engine marketing (SEO & PPC). Mobitsolutions was founded by two friends Usman and ... read Mobitsolutions reviews & insights
$25 - $49/hr10 - 492011Small Heath, United KingdomClear, transparent process, clear agreements, team activity.
- Workflow Proces Improvements & Marketing ManagerELEKS is a Top 100 Global Outsourcing company. We partner with enterprise clients and SMEs to elevate their value through innovative technologies. Our 2,000+ experts, located across Europe and the US, provide our clients with a full range of software services. These include custom software ... read ELEKS reviews & insights
$25 - $49/hr1,000 - 9,9991991London, United KingdomELEKS delivered a professionally executed CRM rebuild with a strong understanding of both business workflows and technical architecture.
- Chief Information OfficerWe are a leading server management company offering key server management services including outsourced web hosting support, cPanel management, Plesk management, Game server management, cloud management, Infrastructure management services etc. Backed with a team of skilled and experienced professionals we offer prompt round the clock ... read ServerAdminz reviews & insights
NA50 - 249Surrey, United KingdomThey know what they're doing
- Sai Mohit TalasilaFortySeven Software Professionals (FSSP) is a European based IT consulting, IT outsourcing and full-cycle software development company. Over a decade FSSP helping clients to scale their business operations from startups to Fortune 500 companies. FortySeven has offices in UK, Spain, Latvia and Poland. FortySeven certified ... read FortySeven Software Professionals reviews & insights
$50 - $99/hr250 - 9992006London, United KingdomSuccesful Financial Software Development
- Key Account ManagerTWC (TransWorldCom) provides world-leading IT and Communication solutions across a range of services including IT support, Cloud telephony, contact centre , business connectivity, cybersecurity, systems integration, unified communications & disaster recovery capabilities. TWC is trusted by over 3,000 clients, has an NPS score of 50, ... read TWC IT Solutions reviews & insights
NA10 - 492011London, United KingdomTWC IT Solutions efficiently managed all of our IT needs.
- Managing DirectorBallard Chalmers is one of the UK’s leading custom software development companies, specialising in enterprise applications on the Microsoft Platform. We are principally dedicated to custom software development and integration for the Microsoft Cloud, as well as on-premises and hybrid systems. Our expertise is in ... read Ballard Chalmers reviews & insights
$100 - $149/hr10 - 492005East Grinstead, United KingdomThey are a real pleasure to work
- CHIEF INFORMATION OFFICERClear Thinking deliver market leading cyber security and IT solutions to businesses across the UK. We have designed a market leading framework that delivers fully managed IT Support, cyber security, compliance, and value added services. Our services are suited to industries that are required to ... read Clear Thinking reviews & insights
$100 - $149/hr10 - 492009Basildon, United KingdomIT Support
- Account DirectorAt Sereno we make people the focus of IT Support. Our people-centric approach ensures we always deliver impeccable customer service while also providing technology insight and consultancy to make your business a success. We’re motivated by how the right, proactive IT advice delivers mutually beneficial ... read Sereno IT Support reviews & insights
NA10 - 492022London, United KingdomSereno IT delivers fast, reliable IT support services with great communication, and it truly feels l
- CMOEvolve is a bespoke software development company specialised in Team Extension and Managed Turnkey Project solutions for startups and enterprises. Founded in 2007 as a UK-based business consultancy, Evolve has grown into an award-winning software house with an R&D Centre in Kyiv (Ukraine) building own ... read Evolved Ideas reviews & insights
$50 - $99/hr50 - 2492007Leicester, United KingdomPro-Evaluate software implementation for Total Produce
- Group Health, Safety and Environment OfficerUsing AI Tools
Claude
SharpQuest (formerly AI Software) is a custom software development company that serves as a technology partner to companies from startups to enterprises. We create software to tackle business problems that are mission-critical and build modern software solutions that work in your tech stack. Our team ... read SharpQuest, Inc. reviews & insights
$50 - $99/hr10 - 492009Abbeywood, United KingdomThey're collaborative and do everything possible to support our project.
- CTOWhy SharpQuest, Inc.?
- We return calls and emails within 4 business hours
- Apps we develop need less maintenance
- Employees stay longer with us
Using AI Tools
GitHub Copilot
Cursor
Lovable
Perplexity
Claude
- + 2 More
Gearheart is a product development studio specializing in operational workflow-heavy B2B SaaS platforms — the kind where permissions, data isolation, and workflow logic determine whether the product actually holds up at enterprise scale.We engage at the start of a build, or when a product has ... read Gearheart reviews & insights
$50 - $99/hr10 - 492012London, United KingdomThe team was great to work with and most importantly delivered results.
- FounderWhy Gearheart?
- 14 Years in B2B SaaS
- Senior-Only Team
- Enterprise-Level Expertise
Timspark is at the forefront of software development and is renowned for rapidly deploying skilled engineering talent. We specialize not just in staffing but in curating and nurturing expert teams capable of addressing our clients' diverse IT challenges. Our approach combines the agility and speed ... read Timspark reviews & insights
$25 - $49/hr50 - 2492022London, United KingdomTimspark has been a great partner, and I would not change anything.
- AnonymousUsing AI Tools
ChatGPT
Claude
Canva
Grammarly
Invedus is a remote staffing company that helps businesses in the US, UK, Europe, and other worldwide markets hire dedicated, pre-vetted virtual assistants and remote professionals who work exclusively for them across accounting, legal, marketing, design, and more. The virtual assistants for hire work like ... read Invedus Outsourcing reviews & insights
< $25/hr50 - 2492014London, United KingdomGood Job Invedus!
- Chief Executive OfficerWhy Invedus Outsourcing?
- Work with experienced and industry-ready talent.
- No taxes, HR, or infrastructure expenses.
- Eliminate recruitment costs with ready talent.
When it comes to software consultancy and resourcing companies, we’re proud to be very versatile. It’s what makes our sourcing solutions smart. We’ve worked with a huge range of companies, from start-ups eyeing fast growth to international giants that need experienced personnel to expand their ... read RSK Business Solutions reviews & insights
$50 - $99/hr50 - 2492009Tunbridge Wells, United KingdomBest Software outsourcing company
- FounderWebMagic is a custom software development and systems integration company headquartered in London, UK. We help e-commerce, logistics, and B2B teams streamline operations by turning business goals and workflow logic into production-ready web applications, integrations, and automation. Our work is business-driven: we begin with structured ... read WebMagic Agency reviews & insights
$50 - $99/hr10 - 492014London, United KingdomAn essential element for us has been the diligent help and assistance from our project manager
- Partner RelationsWhy WebMagic Agency?
- Business outcomes tied to KPIs
- Integration reliability to reduce operational risk
- Reduced manual work through automation and AI
Eton Digital is a digital design and development agency that makes large social networks, enterprise e-commerce applications, knowledge networks, powerful and attractive CMS based websites and exciting iOS and Android mobile applications. Our agile process covers everything from design, usability, information and systems architecture to ... read Eton Digital reviews & insights
NA50 - 2492005London, United KingdomEton Digital Review
- Digital Product ManagerUsing AI Tools
Claude
Lovable
GitHub Copilot
Gemini
We’re chilled and a laidback agency who serves as the bridge that connects clients with customers to encourage positive actions & change lives through innovative ideas. ... read Juvios reviews & insights
$100 - $149/hr10 - 492022London, United KingdomAwesome
- AnonymousWhy Juvios?
- Transparency
- Simplicity
- Accountability
StairwaySoft is a global engineering provider of innovative software development services with a team of expert engineers. We service various businesses internationally to create solutions and help companies achieve their technology goals. We build software solutions through an ever-expanding UNIQUE HYBRID of Eastern European, Middle ... read StairwaySoft reviews & insights
$25 - $49/hr10 - 492012Kington, United KingdomVery good
- VP R&DAt PSP Agile IT, we are pioneers in IT transformation and experts in modernising legacy software with 34 in-house IT experts providing decades of experience. Our mission is to empower businesses, schools, membership organisations and awarding bodies to become more productive, efficient and secure through our award-winning IT support services. Here is why we stand ... read PSP Agile IT reviews & insights
NA10 - 492008Spalding, United KingdomMaxwell is another brilliant star twinkling in the Digital Sky. Since its inception, Maxwell has had one mission at its hands – to add great value to our clients. We have a bunch of exuberant, dedicated geeks who always look forward to helping businesses to ... read Maxwell Global Software reviews & insights
< $25/hr10 - 492007London, United KingdomMaxwell Global Software delivered a sleek, high-performing mobile app that added real value to our guest experience and operational efficiency.
- AnonymousUsing AI Tools
GitHub Copilot
ScienceSoft is an AI transformation and software development company founded in 1989, serving global enterprises and mid-size organizations across a range of sectors, with a particular focus on healthcare, insurance, and investment management. With 750+ specialists on board and operations across the U.S., GCC, and ... read ScienceSoft USA Corporation reviews & insights
$50 - $99/hr250 - 9991989Abbeywood, United KingdomI'd highly recommend ScienceSoft for various testing needs
- Delivery LeaderWhy ScienceSoft USA Corporation?
- In AI & IT since 1989
- More than 4,300 successful projects
- ISO 9001 and ISO 27001 certified
TestDel has developed its services for companies wishing to outsource all or a portion of their software quality activities so they may gain testing efficiencies and reduce administrative burdens associated with in-house QA teams. An established and trusted brand with a global presence and network. ... read Testdel UK LTd. reviews & insights
NA50 - 2492016London, United KingdomHealth Care Industry
- Lisa BarnettWebhostUK.Co.UK is one of the best Web hosting provider in the UK since 2003. We specialize in cloud Hosting and Managed dedicated servers. WebhostUK LTD offers fully managed wordpress hosting, Joomla Hosting, Ecommerce hosting, Domain registration and SSL service, with true 24x7 support available to ... read WebhostUK LTD reviews & insights
< $25/hr10 - 492003London, United KingdomTop rate 24/7 expert support
- Curriculum Coordinator: Learning for WorkTech ICS are Digital and IT Specialists working in the commercial field since 2018. We currently have our offices based in the UK and Bangladesh. Our developers are very well versed on providing the assistance required to your business. ... read Tech ICS reviews & insights
< $25/hr2 - 92018London, United KingdomTechICS is Amazing software development agency
- Rakibul HasanGrow Business is a Cambridge-based digital development and marketing agency that helps businesses achieve sustainable growth in the digital space. Founded in 2019, we offer a diverse range of services, including e-commerce development, Amazon account management, website and mobile app development, and digital marketing on ... read Grow Business reviews & insights
$25 - $49/hr10 - 49Cambridge, United KingdomVery happy with the speed and quality
- AnonymousSmart Web Agency, situated in the South East, is a leading software development agency and responsive web design company. We specialize in creating online web applications tailored for Internet marketing agencies, local brands, and SMEs. Our journey commenced with a primary focus on web application ... read Smart Web Agency reviews & insights
$50 - $99/hr10 - 492010Ashford, United KingdomReally Awesome
- CEOAt Gorilla360 Ltd, we offer a full suite of services tailored to meet your business needs, leveraging the latest in technology and innovation. Whether you're looking for IT support, software development, digital marketing, or staffing solutions, we've got you covered. Our team of experts is ... read Gorilla360 Ltd reviews & insights
< $25/hr10 - 492020London, United KingdomExcellent Team
- AnonymousAs a leading international Digital Marketing Agency, Makolab delivers solutions for both business and domestic purposes and can fulfil client goals in any area of the digital world. With over 25 years in the industry, our portfolio is not only diverse but highlights our exceptional ... read Makolab reviews & insights
< $25/hr50 - 2491989London, United KingdomGood web design for
- Director GeneralUsing AI Tools
Claude
Closing Gap is a 360 degree business solutions and growth agency helping businesses build, improve, and scale through outsourcing, software development, digital marketing, recruitment, and automation.We work with businesses to identify operational and growth gaps and provide practical, tailored solutions that support their objectives. From outsourcing key business functions and developing software solutions to strengthening ... read Closing Gap LTD reviews & insights
$50 - $99/hr2 - 92026London, United KingdomWhy Closing Gap LTD?
- One Partner. Five Growth Engines
- We Build. We Execute. We Scale
- Built Around Your Growth
We are a passionate dev team offering a full array of development & maintenance solutions for websites, mobile apps, web services, and custom digital systems. We conceptualise the design by creating eye-catching and user-friendly UIs and enable website integration with different systems. Since its launch five years ago, the company has amassed a portfolio of ... read Toimi reviews & insights
$25 - $49/hr10 - 492017London, United KingdomAt Coffee Cup Solutions, we deliver fast, friendly, and reliable IT support tailored for businesses of all sizes. Based in Reading, we specialize in managed IT services, cloud solutions, cybersecurity, and Microsoft 365 integration. Our team of certified professionals is dedicated to keeping your tech running smoothly so you can focus on growing your business. ... read Coffee Cup Solutions reviews & insights
$100 - $149/hr10 - 492015Wokingham, United KingdomAt Telcore, we specialize in delivering reliable and scalable Cloud PBX solutions, SIP Trunking, and VOIP consulting services. As pioneers in innovation, we are committed partners in your growth, providing tailored telecom solutions to meet your business needs. ... read Telcore reviews & insights
$50 - $99/hr2 - 92023London, United KingdomFiftyFive, Technologies is the go-to company for the client’s need for rapid technological transformation. We aspire to bring a paradigm shift in the way we work. From imbibing techno-creativity into the client’s software development project to empowering our people to be real change agents, we help people to think beyond technology. According to numerology, 55 ... read FiftyFive Technologies reviews & insights
NA50 - 2492019Grays, United KingdomFounded in London, UK in 2011, we specialize in helping technology companies build remote engineering teams that become an extension of their in-house team. We have worked with several happy customers spread across varied industries including enterprise SaaS, Life Sciences, Healthcare, Real Estate, FinTech, Infrastructure & Security, and many others. Our engineers know how to ... read 9NEXUS reviews & insights
$25 - $49/hr10 - 492011London, United KingdomAt NetTrackers, we are more than just a digital solutions provider; we are your dedicated partners in the journey towards online success. With a passion for innovation and a commitment to excellence, we have been empowering individuals and businesses to thrive in the ever-evolving digital landscape. Our Story: Founded on a vision of simplifying the ... read NetTrackers reviews & insights
$25 - $49/hr50 - 2492007London, United KingdomUsing AI Tools
ChatGPT
Gemini
Farom Studio is a UK-based game development company specializing in Unreal Engine development, dedicated teams, and full-cycle game production.Our engineers have contributed to projects such as Mortal Kombat 1 (Nintendo Switch), Batman: Arkham (Nintendo Switch), Goat Simulator Remastered, Construction Simulator Evolution, and other commercial titles.Alongside client work, we are developing our own PC strategy game, ... read Farom Studio Ltd reviews & insights
$25 - $49/hr50 - 2492011London, United KingdomWhy Farom Studio Ltd?
- More than 13 years of Unreal Engine expertise
- AAA experience and shipped commercial titles
- Dedicated teams that integrate seamlessly
Calligo is the world's first end-to-end managed data services provider, with a global track record in improving organizations' productivity & profitability by making their data more available, secure and safe. Calligo puts data and its privacy at the heart of a unique collection of managed data services for SMEs and enterprises that optimize and protect ... read Calligo reviews & insights
NA50 - 249London, United KingdomLondon’s most trusted fully managed IT support and technology experts. Netstar provides fully managed IT support and technology consulting services to over 150 London businesses. Our focus is on providing fast paced, high quality support, and delivering expert advice when you need it. With over 18 years of proven experience, we focus on aligning your ... read Netstar reviews & insights
NA10 - 492002London, United KingdomCloudscape are IT experts based in Central London, providing IT support services to companies in the city and the Greater London area. We specialise in business IT support services of all kinds and work predominantly with SMEs. However, we also have a loyal customer base with larger international companies thanks to our fully serviced managed ... read Cloudscape IT Support London reviews & insights
< $25/hr50 - 2491985London, United KingdomAvaTech is a dedicated IT support provider based in the UK, primarily serving small businesses in Woking, Guildford, and surrounding areas. Established in 2013, the company offers a comprehensive range of services designed to address the unique challenges faced by local businesses in managing their IT infrastructure. AvaTech's mission is to provide peace of mind ... read AvaTech reviews & insights
NA2 - 92013Farnham, United KingdomWe're a UK based technology company that specialises in supporting brands access talent to materialise their strategic technology objectives. In response to a European talent market which is overly saturated, rising in cost and increasing more challenging to find talent, we've pioneered and established a World class delivery hub in an emerging market (Egypt) giving ... read Saqaya reviews & insights
$25 - $49/hr10 - 492022London, United Kingdom
Post your project. Get proposals from PRO-verified firms.
Goodfirms recommends the top 3. You pick the winner.
Why Trust Goodfirms
Goodfirms is the world’s leading reviews and ratings company featuring 100,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.
Humanly-Vetted Client Reviews
Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.
Data-Driven Rankings
Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.
Global Trust & Recognition
Goodfirms is trusted by 100,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.
Transparency In Detail
From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.
Trending insights from Goodfirms
Valuable insights from top experts accelerate decision-making.

Verified Reviews: How to Choose the Right IT Agency in 2026
81% of B2B buyers end up dissatisfied with their IT agency choice. Here's how verified reviews can help you choose the right IT agency in 2026.

How Clickable AI Prototypes Are Changing the Way Teams Validate Requirements
Skip the guesswork. Learn how AI-generated clickable prototypes turn requirements into testable products before development begins.

How to Evaluate a Managed IT Services Provider: A Review-Based Framework for 2026
Before signing with a managed IT services provider, learn how to compare reviews, pricing, security, SLAs, and technical expertise using this practical evaluation framework for 2026.







































