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Top IT Service Providers in London

50 of 107 IT service providers ranked on evidence in the Q4 2026 edition.

Between them, the 107 IT service providers on this page cover web development (96), web design (85), UI/UX design (56) and IT services (55). They also list work in United Kingdom, United States of America, Ireland and Russia. 107 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

50 of 107 IT service providers ranked on evidence held on 6 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All IT service providers 50 ranked SMEs 49 ranked

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NetMonkeys Ltd
Mobile App Development · IT Services · Software Development · Also in United Kingdom
NetMonkeys Ltd is a UK managed IT services and software company based in Manchester's Northern Quarter.
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Why #24 (shared): Office in London · Founded 2006, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Systango
Mobile App Development · Web Development · Web Design · Also in United Kingdom
Systango is a software studio that its profile describes as headquartered in London, UK. It provides product engineering and IT services to organisations of different sizes.
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Why #26: Based in London, UK · Founded 2007, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
BCN Group Ltd
Web Development · Web Design · IT Services · Also in United Kingdom
BCN Group Ltd is a UK IT support and services company set up in Wilmslow, near Manchester, by Simon Kelf and Matt Smith.
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Why #27 (shared): Office in London · Founded 2009 · Team of 85+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Somo Global
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Somo Global is a privately held digital agency headquartered in London, with a second office in Bristol. It was founded in 2009 and has more than 150 employees.
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Why #27 (shared): Based in London, with an office in Bristol · Founded 2009 · Team of 150+, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Magic Mayo
Social Media Marketing · Web Development · Web Design · Also in United Kingdom
Magic Mayo develops apps and websites and also runs online marketing campaigns. It started in 2009 and operates from London, Lahore and Dubai.
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Why #29: Office in London · Founded 2009, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
BroadSource
Web Development · Web Design · UI/UX Design · Also in Australia
BroadSource is a unified communications specialist with about sixteen years of experience on BroadWorks platforms.
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Why #30 (shared): Office in London · In business 16+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
DL
d.labs
Mobile App Development · Web Development · Web Design · Also in United Kingdom
Product studio in London and Ljubljana supporting early-stage ventures and corporates with advice, design and engineering
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Why #30 (shared): Based in London, UK and Ljubljana, Slovenia · Founded 2010, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Startupbootcamp IoT
Mobile App Development · Web Development · iOS App · Also in United Kingdom
Startupbootcamp IoT belongs to Startupbootcamp, a network of accelerators that each concentrate on one industry.
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Why #30 (shared): Office in London · Founded 2010, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Mind the Product
IT Services · E-Commerce Development · IT Solution · Also in United Kingdom
Mind the Product is a community organisation for people who work in product.
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Why #30 (shared): Based in London origins · Founded 2010, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Nitro Digital
Web Development · Web Design · UI/UX Design · Also in United Kingdom
Nitro Digital is a digital technology and communications agency working in healthcare and life sciences.
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Why #30 (shared): Address in London · In business 16+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Manifesto
Web Development · Web Design · UI/UX Design · Also in United Kingdom
Manifesto is a digital experience agency in the United Kingdom. Three former colleagues founded it in 2011.
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Why #35 (shared): Address in London · Founded 2011, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Detego
Web Development · Web Design · IT Services · Also in United Kingdom
Detego provides retail software built around RFID tags. The cloud-hosted platform replaces manual stock processes with more accurate counts, so retailers avoid empty shelves and…
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Why #35 (shared): Based in London, UK · Founded 2011, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
HYDROSOFT Veleslavín s.r.o.
Web Development · UI/UX Design · Software Development · Also in United Kingdom
HYDROSOFT Veleslavín s.r.o. is listed with the profile of INDUSTRIA, an international system integrator working in digital infrastructure, AI and industrial automation.
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Why #35 (shared): Address in London · In business 15+ years, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Manifesto
Mobile App Development · Search Engine Optimization · Web Development · Also in United Kingdom
Digital agency helping charities, nonprofits and purpose-led organisations with design, data, technology and AI strategy
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Why #35 (shared): Address in London · Founded 2011, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
BrightLemon
Web Development · Web Design · UI/UX Design · Also in United Kingdom
BrightLemon is a small digital agency in Shoreditch, London, with more than fifteen years of experience.
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Why #35 (shared): Based in Shoreditch, London · In business 15+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
BOLDMIND
Mobile App Development · Web Development · iOS App · Also in United Kingdom
BOLDMIND is a UK company that supplies content and tools for digital signage. It was founded in 2012 by people with backgrounds in technology, robotics and media.
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Why #40 (shared): Address in London · Founded 2012, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Open Data Institute
Mobile App Development · Web Development · Web Design · Also in United Kingdom
The Open Data Institute is an independent, non-profit and non-partisan company set up in 2012. Its two co-founders are Sir Tim Berners-Lee and Sir Nigel Shadbolt.
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Why #40 (shared): Based in London, UK · Founded 2012, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
N
NPTV
Social Media Marketing · Web Development · Web Design · Also in United Kingdom
NPTV is a technology startup established in 2013 and headquartered in London.
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Why #42 (shared): Based in London, UK · Founded 2013, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Sparta Global
Web Development · Web Design · UI/UX Design · Also in United Kingdom
Sparta Global recruits graduates, trains them in technology skills and places them with client organisations as consultants.
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Why #42 (shared): Based in London, UK · Founded 2013, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Techmas
Mobile App Development · Custom Software Development · Web Development · Also in Russia
Techmas began in 2013 as Technology Marketing Solutions. It brought together information engineers and marketers to create online projects.
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Why #42 (shared): Office in London · Founded 2013, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Traffic Digital Ltd
Mobile App Development · Web Development · Web Design · Also in United Kingdom
Traffic Digital Ltd is a digital studio in Dalston, London. It has worked with clients and collaborators around the world for more than a decade.
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Why #45 (shared): Based in Dalston, London · In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
4Geeks Technologies
Mobile App Development · Web Development · Web Design · Also in United States of America
4Geeks Technologies, known as 4Geeks, is a global product engineering and growth consulting firm.
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Why #45 (shared): Address in London · In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Baanx Group Ltd
Mobile App Development · iOS App · Mobile Platforms · Also in United Kingdom
Baanx Group Ltd is a London financial technology company that builds crypto payment products.
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Why #47: Based in London, United Kingdom · Founded 2018, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
MedRec Technologies
Mobile App Development · ERP Software Development · Web Development · Also in United Kingdom
MedRec Technologies is a software company with its origins in London.
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Why #48 (shared): Based in London, United Kingdom · SOC 2, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

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Top IT Service Providers in London

NetMonkeys Ltd

Systango

BCN Group Ltd

Somo Global

Magic Mayo

BroadSource

d.labs

Startupbootcamp IoT

Mind the Product

Nitro Digital

Manifesto

Detego

HYDROSOFT Veleslavín s.r.o.

Manifesto

BrightLemon

BOLDMIND

Open Data Institute

NPTV

Sparta Global

Techmas

Traffic Digital Ltd

4Geeks Technologies

Baanx Group Ltd

MedRec Technologies

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