Top IT Services Companies in London

Banking was broken – so we decided to fix it. The vision? Fast technology, fair service and honest values. All at the tap of a phone, all the time. We built Britain’s first digital bank. One hard-won banking licence later, we set about giving people a new way to spend, save and manage their money ... read Starling Bank reviews & insights

Ratcliff IT is a full-service managed IT provider focused on delivering secure, compliant, and highly responsive support to well-run, growing businesses. We believe great IT is built on strong relationships, clear communication, and consistency—not jargon or ticket queues.

DTS Solution is an innovative organization that redefines the cyber security services industry. With dynamic and ever-changing business demands and requirements of information technology in the modern day, security related concerns, issues and challenges are more prevalent than ever before. DTS Solution delivers advanced cyber security solutions through is technology partnerships with industry leading security ... read DTS Solution reviews & insights

24/7 Award-winning IT support and cybersecurity support Trusted by over 250 clients globally, CloudTech24 supports businesses with cybersecurity and IT support services. We leverage real-time monitoring to proactively secure your devices, cloud platforms and end-users.

Staffenza is a tech-first IT staff augmentation company that helps businesses scale engineering and technical capacity with pre-vetted, project-ready talent — fast. We bridge the gap between demand and delivery by providing companies with highly skilled developers, engineers, and tech specialists who are ready to integrate seamlessly into existing teams. Our mission is simple: to ... read Staffenza reviews & insights

Forensic Control is a London-based cyber security consultancy founded in 2008 and an official IASME Certification Body. Led by former New Scotland Yard digital forensic specialists, we leverage nearly two decades of investigative experience providing practical cyber risk prevention. We specialise in Cyber Essentials, helping UK businesses win contracts and stay secure. Unlike most providers, ... read Forensic Control reviews & insights

Dragonfly Tech is a premier UK-based managed technology partner dedicated to stripping away the complexity of modern business infrastructure. We don't believe in "one-size-fits-all" solutions or manufacturer-led sales quotas. Instead, we act as a vendor-independent ally, auditing your current environment to uncover hidden waste and implementing streamlined workflows that actually pay for themselves. From Managed ... read Dragonfly Managed Technology Limited reviews & insights

TrueLayer is a leading fintech company that provides secure, instant, and data-driven payment solutions through open banking technology. Founded in 2016 and headquartered in London, the company connects banks, businesses, and consumers through a powerful API platform that enables real-time bank payments and financial data access. TrueLayer’s mission is to transform the way the world ... read TrueLayer reviews & insights

When Volt launched in 2019, we recognised how open banking has the power to transform how businesses, wherever they happen to be, send and receive money. So, we set about building a ‘network of networks’ that enables merchants across the globe to receive and send account-to-account payments. In real time. Now, on the back of ... read Volt io reviews & insights

Jeton is a global fintech company that provides secure and convenient digital payment solutions for individuals and businesses worldwide. Founded in 2018 and headquartered in London, Jeton offers a modern e-wallet platform that allows users to send, receive, exchange, and manage money through a single mobile and web application. The platform is designed to simplify ... read Jeton reviews & insights

Founded in 2000, 1st-IT is a London-based IT managed services provider helping SMBs and charities get the most from their technology. Over 25 years, we've built a reputation for reliable, jargon-free IT support across the City, West End, and Greater London. Our team handles everything from day-to-day IT support and cloud migrations to cybersecurity audits ... read 1st-it LTD reviews & insights

For 25 years, Camwood has helped enterprises optimise their IT estate by up to 95% and reduce operational costs by up to 40%. Our Fusion Framework delivers clean, ready-to-innovate data, streamlined user experiences and measurable, sustainable growth, truly taking you beyond applications.

GB Technology UK is a leading London-based IT partner dedicated to providing secure, scalable, and high-performance infrastructure for modern enterprises. With a 99.9% uptime SLA and an average 15-minute response time, we ensure your business remains resilient in a competitive landscape. From cloud optimization to proactive security shielding, our ISO 27001-certified team delivers local expertise ... read GB Tech reviews & insights

We provide a premier end-to-end global remote hiring platform that transforms a complex process into a streamlined journey to success. We guide businesses through every stage of building a distributed tech team—from defining specific role requirements and sourcing talent globally to conducting rigorous, multi-stage vetting and in-depth technical assessments. By managing the final steps of ... read Exquisitor reviews & insights

Build, operate, and scale a complete B2B iGaming platform from a single unified ecosystem. Aqbay is a next-generation iGaming platform provider offering custom and white-label casino & sportsbook solutions for operators targeting regulated markets. A premium iGaming Platform built by a core team with 10+ years of experience.

Cysnova is an independent cybersecurity and compliance consultancy providing practical, professional services to businesses navigating security requirements, regulatory obligations and digital risk.With over 20 years of international experience across multinational organisations, critical sectors and defence, Cysnova brings extensive expertise in Governance, Risk and Compliance (GRC), cybersecurity documentation, security requirements and compliance readiness.Cysnova operates through a ... read Cysnova reviews & insights

Data Centre Professionals Ltd (also known as Dacpros) is a leading smart-hand service provider in the UK, renowned for its proactive and innovative approach. Our team of highly skilled engineers collaborates with remote technical teams to design, deploy, and maintain infrastructure that adheres to the highest industry standards. We take a forward-thinking approach to anticipate ... read Data Center Professionals Ltd. reviews & insights

Montalex is a London-based IT consultancy helping small and medium businesses stay secure and productive. We provide managed IT support, Microsoft 365 deployment and hardening, cybersecurity improvements, and Cyber Essentials certification preparation. Cyber Essentials certified and led by an MSc-qualified cybersecurity professional. No long-term contracts, no hidden fees — remote and on-site across the UK.

Gradeon helps organisations to automate the running of business security, compliance, governance, and risk projects. Automation allows our customers to reduce the time it takes to deliver projects, to reduce the duplication of running projects in isolation. To enable key stakeholders to have real-time visibility on cross-project progress and to automate the collection of supporting ... read Gradeon Limited reviews & insights

Techspire IT is a UK-based IT solutions provider specialising in AI-powered digital workplace platforms, intranet development, and business process automation. The company helps organisations improve collaboration, streamline operations, and enhance productivity through secure, scalable managed IT and digital transformation services.

Automiq is an automation strategy and execution business that helps enterprise clients to achieve the real-world benefits of service and business workflow automation, helping to prevent and recover rapidly from cyber attacks​.​ We partner with our enterprise clients to simplify and strengthen their technology - across three interconnected areas of service insight and automation, cyber ... read Automiq reviews & insights

Gamingtec is a renowned IT solutions provider having 13+ years of experience in the iGaming industry. The company offers comprehensive iGaming software development solutions and services which include but are not limited to Turnkey iGaming platform, sports betting software, online casino software, casino game development, and more.

Who we areAt Atoa, we’re building a simpler, fairer way for businesses to get paid.We help UK businesses collect payments using Pay by Bank and cards, with lower fees, faster settlement, and less admin for finance teams.Pay by Bank is powered by secure open banking technology, allowing customers to pay directly from their banking app. ... read AtoA Online Business Payments App reviews & insights

Fiat Republic is a Banking-as-a-Service (BaaS) platform on a mission to help crypto break into the mainstream by cracking the banking code. We offer a Banking and Payments API that lets crypto platforms easily embed and automate fiat flows for their end-users and their internal treasury teams. With a strong compliance & AML foundation, we ... read Fiat Republic reviews & insights

LHV Bank provides Retail Banking for UK consumers, SME Lending solutions for UK businesses, and Banking Services for global fintechs. With a digital-first approach, LHV Bank’s Retail Banking delivers a competitive market leading interest rate on all current accounts as well as competitive savings accounts. The SME Lending division offers trading, commercial real estate investment ... read LHV Bank reviews & insights

BCB Group is a leading provider of regulated payment, wallet and trading services for global businesses. Responding to corporate and institutional demand for essential and excellent infrastructure in digital asset markets, BCB Group was created by established thought leaders in finance, regulation and technology. Founded in the UK and developed to encompass key relationships across ... read BCB Group reviews & insights

OpenPayd is building the universal financial infrastructure for the digital economy. Our rails-agnostic platform enables any business to move and manage money globally - across fiat and digital assets - through a single, powerful API. We provide embedded accounts, FX, domestic and international payments, Open Banking, and now stablecoin on/off ramps - delivering full interoperability ... read OpenPayd reviews & insights

LogiSam is a Microsoft 365 and Power Platform consultancy serving businesses across the UK and UAE. We help organisations modernise the way they work through SharePoint, Power Apps, Power Automate, Power BI and Microsoft Copilot, turning manual processes into scalable, secure digital solutions.Our services span Power Platform development, HR365 solutions, AI governance consulting, and Microsoft ... read Logisam reviews & insights

Proxya is a premium proxy provider offering ISP, datacenter, residential, mobile, rotating and SOCKS5 proxies across 195+ countries. Built for web scraping, ad verification, SEO and price monitoring, social media management and market research, Proxya delivers 99.9% network uptime, city-level targeting and instant activation.

Pacific Technology Solutions Ltd was established in 2025, but the expertise behind it isn't new. Our team has spent over 20 years delivering IT support for hospitality businesses, and we rebranded to bring that experience to a wider range of industries under one name: Pacific Technologies.We started by solving IT for hotels: PMS integration, guest ... read Pacific Technology Solutions Ltd reviews & insights

Nine Feet Tall specialise in managing and delivering complex change programmes, combining the power of people and technology. As part of Talan Group, we support organisations to deliver their transformation ambitions. We quickly integrate into your team, build momentum from day one and hit the ground running. One size definitely does not fit all... every ... read Nine Feet Tall reviews & insights

Finyx is an independent digital transformation and IT advisory consultancy that helps organizations successfully plan, manage, and deliver complex technology-driven change. The company partners with businesses and public sector organizations to transform their digital capabilities, improve operational efficiency, and achieve long-term strategic goals through practical, outcome-focused consulting services. Rather than simply providing recommendations, Finyx works ... read Finyx reviews & insights

We’re not your typical consultancy. We don’t just say we put people first, we actually do. Our purpose is to be the consultancy clients love to work with, and people love to work for. That's why we've been recognised by Financial Times as one of the 1000 Europe's Fastest Growing Companies 2025 and one of ... read Enfuse Group reviews & insights

Organisations are looking at what they need to do to enable growth and efficiency, we show you the ROI and drive the reason to change....... We transform the way you do business creating technology that makes the difference to your business. Our goals and our mission are simple! Use our FTE global / hybrid expertise ... read Neo Technology Ltd reviews & insights

EJN Labs is a London-based, CREST-certified penetration testing and cyber security company. From its Canary Wharf base, the team supports UK organisations with web application, API, mobile, cloud, infrastructure, AI and red-team testing. EJN Labs focuses on clearly scoped engagements, fixed pricing, UK-based security consultants, live communication of critical findings, audit-ready reporting and free retesting ... read EJN Labs reviews & insights

Doherty Associates is a London-based Managed Service Provider delivering managed IT services, cyber security and AI innovation.For more than 35 years, we have helped organisations reduce risk, improve performance and get more value from technology. As an award-winning and highly accredited Microsoft partner, we combine deep technical expertise with a practical, business-focused approach.We provide 24/7 ... read Doherty Associates reviews & insights

Wavetel offers a flexible White Label VoIP Reseller solution that allows businesses and partners to provide professional VoIP services under their own brand, with scalable features and reliable communication technology.

Little Big Tech provides managed IT support and cyber security for ambitious 5–50 user businesses across London and the Southeast, with expertise in professional services - legal, financial services and private healthcare. We help growing businesses take control of their technology by combining responsive day-to-day support with proactive management, 24/7 security monitoring and strategic guidance. ... read Little Big Tech reviews & insights

Pixxen is a UI/UX design agency focused on SaaS and enterprise products. We mainly work with startups, B2B/B2C platforms, and enterprises to improve user experience, onboarding flow, and product conversion through research-driven design. Established in 2020, Pixxen was founded to help founders achieve their business goals with amazing user experiences. We have since completed 1,600+ ... read SaaS Design Services reviews & insights