Top IT Consultants & Companies in the United Kingdom
3,247 Companies
List of the Top IT Services Companies in the UK
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$50,000+$50 - $99 / hr1,000 - 9,999Serves United KingdomServices provided
25% Custom Software Development21% Mobile App Development21% Web Development +3 services11% AI Consulting11% BI & Big Data Consulting & SI11% Enterprise App ModernizationSee all 37 projectsSigma Software Group is a versatile software development company offering a wide range of services, including web and mobile development, engineering support, and staff augmentation. The reviews indicate a strong emphasis on efficiency, collaboration, and alignment with client values. Approximately 80% of feedback highlights their punctuality and adaptability, while 60% commend their innovative approach and team integration. Overall, clients consistently express satisfaction with Sigma Software Group’s contributions to their projects.
Reviews mention Adaptable
Clients consistently commend Sigma Software Group for their adaptability and responsiveness. One client noted, 'They delivered on time, adapted to our needs, and our teams worked together seamlessly,' highlighting the collaborative nature of the engagement. Their ability to adjust to client requirements while maintaining efficiency was particularly praised, although one client suggested a desire for more proactive web guidance. Overall, the sentiment reflects a strong appreciation for their flexible approach in project management.-
Website Revamp & SEO for SaaS Advertising Platform
4.5 Dec 11, 2025They delivered on time, adapted to our needs, and our teams worked together seamlessly.
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0 of 1 reviews is 5 stars$50,000 – $199,999 avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Recent client feedback on Sigma Software Group highlights their efficiency, creativity, and seamless collaboration in delivering a website redesign project. Clients reported measurable outcomes such as increased engagement, improved SEO, and higher qualified leads. While they appreciated the timely delivery and adaptability, some suggested a need for more proactive guidance on web best practices. Overall, sentiment towards Sigma Software Group remains highly positive, reflecting satisfaction with their services and outcomes.Was this helpful?
Industry Experience
Sigma Software Group has demonstrated significant expertise across various industries, including Advertising & Marketing, Aviation, Food & Beverage, Financial Services, Education, and more. Clients consistently highlight their strong project management skills, timely delivery, and adaptability to specific industry needs. In Advertising & Marketing, they excel in application development and integration, while in Financial Services and Aviation, their capacity for staff augmentation and compliance adherence is notable. Overall, feedback is overwhelmingly positive, indicating a strong fit for clients in technology-driven sectors seeking reliable partnerships.
Read All ReviewsSelect Industry to see insights
Other Industry Food & Beverage Information technology Financial services Education Logistics & Supply Chain Construction Arts, entertainment & music Software Sports IT Services Manufacturing Automotive Retail Real estate Design Healthcare Gambling Advertising & marketingWas this helpful?
More responsive than most other service providers
Get in TouchSigma Software Group is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
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$10,000+$100 - $149 / hr250 - 999Reading , England
Services provided
50% IT Managed Services30% Cybersecurity20% IT Strategy ConsultingLaunched in 2003, Herjavec Group is an IT managed services company. The team provides IT managed services and Cybersecurity.
Read moreSee All Locations (3)Reading , England
6th Floor | The White Building 33 Kings Road
Reading , England RG1 3AR6 - 9
44.0.870.041.1199
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$5,000+$100 - $149 / hr50 - 249Glasgow, Scotland
Services provided
40% Cloud Consulting & SI30% IT Managed Services30% IT Strategy ConsultingIomart Group is a cloud consulting & SI company. They offer cloud consulting & SI and IT managed services and were launched in 1998. The company is in Glasgow, Scotland.
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$5,000+$100 - $149 / hr50 - 249Sandiacre, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIAir-IT is an IT managed services company. Their midsize team is in Sandiacre, England and provides IT managed services and IT strategy consulting. The agency was launched in 2005.
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$5,000+$100 - $149 / hr50 - 249London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% CybersecurityConosco is an IT managed services company based in London, England. The team focuses on IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249England, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SITelehouse Europe is an IT managed services company located in England, England. They specialize in IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249Kings Langley, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIAnnodata is an IT managed services company. The team is based in Kings Langley, England, and their services include IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIMBA IT is a midsize IT managed services company headquartered in London, England. Their services include IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249Warrington, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIAdept4, a midsize IT managed services company, is headquartered in Warrington, England. Their services include IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SILanware is an IT managed services company launched in 1993. Their team specializes in IT managed services and IT strategy consulting.
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$10,000+$100 - $149 / hr50 - 249London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIOCSL is an IT managed services company. In London, England, their team provides IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr250 - 999London, England
Services provided
40% Cloud Consulting & SI30% IT Managed Services30% IT Strategy ConsultingCloud consulting & SI company Cloudreach was founded in 2009. The company provides cloud consulting & SI and IT managed services, and is midsize.
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$5,000+$100 - $149 / hr50 - 249Hitchin, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIModern Networks is an IT managed services company. The firm is located in Hitchin, England. Their team provides IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SINew Signature is a midsize IT managed services company in London, England. The team specializes in IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr250 - 999London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIIT managed services company Claranet was founded in 1996. The team specializes in IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr250 - 999London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIEstablished in 1990, Ultima Business Solutions Ltd. Is an IT managed services company. In Reading, England and London, England, the team specializes in IT managed services and IT strategy
Read moreSee All Locations (2)London, England
4th Floor Rear, New London House 6 London Street
London, England EC3R 7LP31 - 40
020 3824 6910
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$5,000+$100 - $149 / hr50 - 249Liddington, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SICommercial Group is an IT managed services company. In Liddington, England, their midsize team specializes in IT managed services and IT strategy consulting. The agency was launched in 1991.
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$5,000+$100 - $149 / hr50 - 249Surrey , England
Services provided
50% IT Managed Services30% IT Strategy Consulting10% Cloud Consulting & SI +1 service10% CybersecurityLocated in Surrey , England, LAN2LAN is an IT managed services company. Their services include IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249Portchester, England
Services provided
30% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SI +1 service20% Custom Software DevelopmentTaylor Made Computer Solutions is an IT managed services company. In Portchester, England and Southampton, England, their team offers IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr1,000 - 9,999Spinningfields, England
Services provided
30% IT Managed Services30% IT Strategy Consulting20% Application Testing +1 service20% Cloud Consulting & SINCC Group is an IT managed services company. They are located in Spinningfields, England and have large team. Their services include IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr10 - 49Canterbury, England
Services provided
34% IT Managed Services33% Cybersecurity33% IT Strategy ConsultingADM computing is an IT managed services company launched in 1984. The company focuses on IT managed services and Cybersecurity, and is small.
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$5,000+$100 - $149 / hr50 - 249London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIBluesource, a midsize IT managed services company, is headquartered in London, England. The team specializes in IT managed services and IT strategy consulting.
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UndisclosedUndisclosed50 - 249Sheffield, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIAsk4 Data Centres, an IT managed services company, is located in Sheffield, England. Their services include IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249Milford, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIAxess Systems Ltd is an IT managed services company. The Milford, England-based company was established in 2000. Their team focuses on IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249London, England
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIBlock Solutions is an IT managed services company. The company is based in London, England and Crewe, England. Their team offers IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr50 - 249Dundee Technology Park, Scotland
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SIBrightsolid online technology is a midsize Dundee Technology Park, Scotland-based IT managed services company. Their services include IT managed services and IT strategy consulting.
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$5,000+$100 - $149 / hr10,000+Edinburgh , Scotland
Services provided
50% IT Managed Services30% IT Strategy Consulting20% Cloud Consulting & SILarge IT managed services company BT Global Services, is located in Edinburgh , Scotland. The team offers IT managed services and IT strategy consulting.
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We evaluate service providers using a structured methodology that combines:
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- Comprehensive project details
- Market presence
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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
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Rollover to see company insights or click a company below for more details.
A Clutch Leaders Matrix provides a broad view of the top-performing companies in a particular service or location. Each company featured in a Leaders Matrix is evaluated based on Focus and Ability to Deliver. The size of each circle indicates that company’s size.
By using verified reviews, focused service details, and real project data, the Leaders Matrix highlights companies that consistently deliver and stand out from the rest. Each company’s position is based on how well they focus on a service area and how consistently they deliver results, helping you make informed, confident decisions. Learn More
Focus (x-axis)
Focus accounts for a company’s specialization within a certain service.
Ability to Deliver (y-axis)
Ability to Deliver considers three criteria:
- Client feedback and reviews
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- Market presence and reputation in the industry
List of the Top 15 IT Services Companies in the UK
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$50,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
39.3/40.020/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% IT Consulting50% Other -
$5,000+$100 - $149 / hr10 - 49Edinburgh, Scotland
Ability to deliver
35.1/40.016.2/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
100% IT Consulting -
$25,000+Undisclosed250 - 999Lytchett Matravers, England
Ability to deliver
31.4/40.015.8/20 Reviews6.7/10 Clients & Experience8.9/10 Market PresenceService focus
80% IT Consulting20% Other -
UndisclosedUndisclosed50 - 249Farnborough, England
Ability to deliver
38.7/40.020/20 Reviews9.8/10 Clients & Experience8.9/10 Market PresenceService focus
70% IT Consulting30% Other -
$25,000+$200 - $300 / hr1,000 - 9,999London, England
Ability to deliver
33.2/40.016/20 Reviews7.8/10 Clients & Experience9.4/10 Market PresenceService focus
100% IT Consulting -
$25,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
35.8/40.015.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
30% IT Consulting70% Other -
$5,000+$100 - $149 / hr50 - 249London, England
Ability to deliver
35.5/40.016.8/20 Reviews10/10 Clients & Experience8.7/10 Market PresenceService focus
70% IT Consulting30% Other -
$50,000+$200 - $300 / hr1,000 - 9,999Leeds, England
Ability to deliver
29.3/40.014.6/20 Reviews8/10 Clients & Experience6.7/10 Market PresenceService focus
55% IT Consulting45% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
35% IT Consulting65% Other -
$1,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
28.9/40.016.2/20 Reviews7.6/10 Clients & Experience5.2/10 Market PresenceService focus
100% IT Consulting -
$50,000+< $25 / hr10,000+London, England
Ability to deliver
33.5/40.016/20 Reviews10/10 Clients & Experience7.5/10 Market PresenceService focus
35% IT Consulting65% Other -
$25,000+$25 - $49 / hr1,000 - 9,999St Albans, England
Ability to deliver
36.3/40.016.6/20 Reviews9.9/10 Clients & Experience9.8/10 Market PresenceService focus
20% IT Consulting80% Other -
$5,000+$25 - $49 / hr250 - 999Manchester, England
Ability to deliver
29.5/40.016.2/20 Reviews4.6/10 Clients & Experience8.7/10 Market PresenceService focus
50% IT Consulting50% Other -
$10,000+Undisclosed50 - 249Coventry , England
Ability to deliver
35.9/40.016.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
75% IT Consulting25% Other -
$25,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
35.6/40.015.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
50% IT Consulting50% Other -
$75,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
35.5/40.016.4/20 Reviews9.8/10 Clients & Experience9.2/10 Market PresenceService focus
30% IT Consulting70% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
37.6/40.018.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
40% IT Consulting60% Other -
$5,000+$100 - $149 / hr50 - 249Scunthorpe, England
Ability to deliver
32.2/40.017.2/20 Reviews8.9/10 Clients & Experience6.1/10 Market PresenceService focus
100% IT Consulting -
$10,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
30.1/40.016.4/20 Reviews7.3/10 Clients & Experience6.4/10 Market PresenceService focus
95% IT Consulting5% Other -
$5,000+< $25 / hr250 - 999London, England
Ability to deliver
34.5/40.016.8/20 Reviews8.5/10 Clients & Experience9.2/10 Market PresenceService focus
30% IT Consulting70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% IT Consulting90% Other -
$100,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
36.3/40.016.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
46% IT Consulting54% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% IT Consulting85% Other -
$50,000+$50 - $99 / hr250 - 999Farnborough, England
Ability to deliver
35.4/40.015.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% IT Consulting80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
38.1/40.018.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
15% IT Consulting85% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% IT Consulting85% Other -
$1,000+$50 - $99 / hr10 - 49Bradford on Avon, England
Ability to deliver
34/40.016.4/20 Reviews8.3/10 Clients & Experience9.4/10 Market PresenceService focus
100% IT Consulting -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
39.2/40.019.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% IT Consulting90% Other -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
34.6/40.017.4/20 Reviews7.5/10 Clients & Experience9.7/10 Market PresenceService focus
70% IT Consulting30% Other -
$25,000+$50 - $99 / hr50 - 249Salford, England
Ability to deliver
37.7/40.018/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% IT Consulting80% Other
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