Top IT Consultants & Companies in the United Kingdom
3,247 Companies
List of the Top IT Services Companies in the UK
Sponsored
-
Featured
What are Featured Providers?
$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 Well-organized projects
Clients have consistently praised Sigma Software Group for their well-organized project management. One client noted their flexibility and ability to meet deadlines, stating, "Sigma Software Group was good at planning and meeting deadlines." Another client emphasized their structured approach, highlighting that they "follow plans and are very well organized." Overall, the sentiment reflects confidence in Sigma's ability to deliver organized and effective solutions, contributing positively to project outcomes.-
Application Dev for Advertising Privacy Practices Org
5.0 Feb 15, 2024They are terrific to work with. Not only do they think through a project holistically at the beginning, but they are adept at helping provide advice as the development progresses to make sure that all the value of the tech is being captured by your enterprise.
Read Full Review -
Custom Software Development for Airlines Association
4.5 Apr 13, 2023We planned deadlines together and adapted our schedule as needed since the COVID-19 pandemic started when we worked together. Sigma Software Group was flexible and organized. Sigma Software Group was good at planning and meeting deadlines.
Read Full Review -
Custom Software Dev for Motor Vehicles Manufacturing Company
5.0 Nov 20, 2022We have monthly meetings where we decide things based on resource allocation, budget issues, or questions. On the project management side, we have a weekly follow-up through Microsoft Teams. We use our DevOps for project management so we have full visibility on a daily basis of all ongoing activities.
Read Full Review -
Logo Marketplace for Design Platform
4.5 Jun 7, 2021Sigma works very structured and organised with Jira and general reporting on time spent, estimates and costs. We are very happy and satisfied with the transparency and communication.
Read Full Review -
Web & Software Development for Property Tech Firm
5.0 Apr 9, 2021We communicate over Discord. It has a very organized layout, with the ability to create different channels that apply to specific tasks, like pages on our website or our software platform. This way, we don’t have just one email thread or chat for our massive project.
Read Full Review
Was this helpful?
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?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Overall, client feedback regarding Sigma Software Group highlights a strong sentiment of value for money. Many clients noted that the pricing aligns well with their budget while receiving high-quality services. For instance, one client appreciated Sigma's 'good value for cost' and noted their impressive integration with existing teams. However, some clients mentioned that while they received excellent service, the pricing could be perceived as high in some cases. Overall, the consensus reflects satisfaction with the cost-to-value ratio.Was 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?
-
-
UndisclosedUndisclosed250 - 999City of London, England
Services provided
50% BI & Big Data Consulting & SI50% IT Strategy ConsultingGoldenSource is a midsize New York, New York-based IT strategy consulting and big data analytics company. The team specializes in IT strategy consulting and BI & big data consulting & SI.
Read moreSee All Locations (3)City of London, England
4th Floor, 14 Bonhill Street
City of London, England EC2A 4BX31 - 40
+44 (0) 203 908 2400
Was this helpful?
-
UndisclosedUndisclosed1,000 - 9,999City of London, England
Services provided
20% BI & Big Data Consulting & SI20% IT Strategy Consulting10% AI Development +5 services10% Business Consulting10% Commercial Financing10% Corporate Training & Coaching10% Financial Consulting10% Robotics Process AutomationLaunched in 2000, Valcon is an IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI.
Read moreSee All Locations (2)City of London, England
70 Gracechurch Street
City of London, England EC3V 0XL101 - 150
+44 1795 415800
Was this helpful?
-
UndisclosedUndisclosed250 - 999Edinburgh, Scotland
Services provided
60% Cybersecurity20% BI & Big Data Consulting & SI20% Business Valuation ServicesCybersecurity company Adarma Security is located in Edinburgh, Scotland and City of London, England. Their services include Cybersecurity and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49City of London, England
Services provided
40% Cybersecurity20% BI & Big Data Consulting & SI15% Application Testing +2 services15% IoT Development10% DevOps Managed ServicesSSL247 is a Cybersecurity company. Founded in 2003, the team focuses on Cybersecurity and BI & big data consulting & SI. The agency is located in City of London, England.
Read more -
UndisclosedUndisclosed250 - 999London, England
Services provided
40% BI & Big Data Consulting & SI40% Cloud Consulting & SI20% Generative AIBig data analytics company Factspan is based in London, England and Seattle, Washington. Founded in 2012, the team offers BI & big data consulting & SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249London, England
Services provided
20% Application Testing20% Cloud Consulting & SI20% Custom Software Development +2 services20% ERP Consulting and SI20% IoT DevelopmentLaunched in 2005, Excelencia is a cloud consulting & SI company. Located in London, England and Austin, Texas, the team provides cloud consulting & SI and ERP consulting and SI.
Read more -
UndisclosedUndisclosed250 - 999London, England
Services provided
80% Cloud Consulting & SI20% ERP Consulting and SIData Intensity is a cloud consulting & SI company. They are in London, England and Covington, Kentucky. Their team specializes in cloud consulting & SI and ERP consulting and SI.
Read more -
UndisclosedUndisclosed50 - 249London, England
Services provided
40% BI & Big Data Consulting & SI40% Cloud Consulting & SI20% API DevelopmentLaunched in 2010, BigData Dimension is a midsize business intelligence company. Their services include BI & big data consulting & SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249London, England
Services provided
20% AI Development20% BI & Big Data Consulting & SI20% Business Consulting +2 services20% CRM Consulting and SI20% IT Managed ServicesPracedo is a business intelligence company. They were launched in 2010 and offer BI & big data consulting & SI and CRM consulting and SI.
Read more -
UndisclosedUndisclosed250 - 999London, England
Services provided
20% AI Development20% Business Consulting20% Cybersecurity +2 services20% IT Managed Services20% Robotics Process AutomationRoboyo is a midsize London, England-based Cybersecurity company. The team focuses on Cybersecurity and IT managed services.
Read more -
UndisclosedUndisclosed50 - 249London, England
Services provided
20% AI Development20% BI & Big Data Consulting & SI20% Cloud Consulting & SI +3 services20% IoT Development10% AI Consulting10% Digital EngineeringElastacloud is a data analytics company. Founded in 2011, the agency is based in London, England and Almería, Spain. Their services include BI & big data consulting & SI and cloud consulting & SI.
Read more -
UndisclosedUndisclosed10 - 49Stevenage, England
Services provided
70% IT Managed Services30% IT Strategy ConsultingVeritas Digital Services Limited is an IT managed services company. In Stevenage, England, their team specializes in IT managed services and IT strategy consulting.
Read more -
UndisclosedUndisclosed50 - 249Temple, England
Services provided
40% BI & Big Data Consulting & SI20% AI Development20% Custom Software Development +1 service20% CybersecurityEstablished in 2008, X4 Technology is a big data company. Their team provides BI & big data consulting & SI and Cybersecurity.
Read moreSee All Locations (3)Temple, England
58 Victoria Embankment
Temple, England EC4Y 0DS1
+44.2078.127.700
Was this helpful?
-
UndisclosedUndisclosed10 - 49London, England
Services provided
40% IT Managed Services20% BI & Big Data Consulting & SI20% Custom Software Development +1 service20% ERP Consulting and SINEWAGE Solutions & Technologies is an IT managed services company. The Portland, Oregon-based team offers IT managed services and BI & big data consulting & SI.
Read moreSee All Locations (3)London, England
70 Clapton Square
London, England E5 8HW1
Was this helpful?
-
UndisclosedUndisclosed50 - 249London, England
Services provided
20% BI & Big Data Consulting & SI20% CRM Consulting and SI20% Custom Software Development +2 services20% IT Managed Services20% Low/No Code DevelopmentEstablished in 2017, Advisority is a big data company. The team offers BI & big data consulting & SI and CRM consulting and SI and is located in London, England and București, Romania.
Read more -
UndisclosedUndisclosed50 - 249Glasgow, Scotland
Services provided
50% BI & Big Data Consulting & SI50% Cloud Consulting & SILaunched in 1996, Cintra is a data analytics company and cloud consulting & SI company. The company focuses on BI & big data consulting & SI and cloud consulting & SI, and is midsize.
Read moreSee All Locations (3)Glasgow, Scotland
144 Saint Vincent Street, 3rd Floor
Glasgow, Scotland G2 5LQ10 - 15
Was this helpful?
-
UndisclosedUndisclosed250 - 999London, England
Services provided
70% Cybersecurity30% IT Managed ServicesIntegrity360 is a Cybersecurity company. The Dublin 18, Ireland-based firm was founded in 2005. Their team provides Cybersecurity and IT managed services.
Read moreSee All Locations (4)London, England
46 New Broad Street
London, England EC2M 1JH151 - 200
+44.203.397.3414
Was this helpful?
-
UndisclosedUndisclosed10 - 49Linton, England
Services provided
40% Cybersecurity40% IT Managed Services20% Call Center ServicesCybersecurity company Mannassi IT Solutions was launched in 1996. The firm provides Cybersecurity and IT managed services, and is small.
Read moreSee All Locations (3)Linton, England
9 Balingdon Lane
Linton, England CB21 4XE1
Was this helpful?
-
UndisclosedUndisclosed50 - 249London, England
Services provided
20% Cybersecurity20% DevOps Managed Services20% Enterprise App Modernization +2 services20% IT Managed Services20% Low/No Code DevelopmentEstablished in 2019, Ingentive, a midsize Cybersecurity company, is headquartered in London, England. Their team specializes in Cybersecurity and IT managed services.
Read more -
UndisclosedUndisclosed250 - 999Burghclere,, England
Services provided
40% ERP Consulting and SI20% BI & Big Data Consulting & SI20% IT Managed Services +1 service20% Low/No Code DevelopmentFounded in 2009, The NAV | 365 People (TNP) is an ERP consulting and SI company. Their services include ERP consulting and SI and BI & big data consulting & SI.
Read more -
UndisclosedUndisclosed50 - 249Crawley, England
Services provided
20% BI & Big Data Consulting & SI20% Business Consulting20% Corporate Training & Coaching +3 services20% ECM Consulting and SI10% Compliance Consulting10% ERP Consulting and SILaunched in 1968, Macro 4 is a data analytics company. The company specializes in BI & big data consulting & SI and ECM consulting and SI, and is midsize.
Read more -
UndisclosedUndisclosed2 - 9Cirencester, England
Services provided
80% Cybersecurity20% IT Managed ServicesCybersecurity company Accelerate Technologies Ltd offers Cybersecurity and IT managed services. They were established in 2019.
Read more -
UndisclosedUndisclosed10 - 49Birmingham West Midlands, England
Services provided
50% Cybersecurity30% IT Managed Services20% Corporate Training & CoachingCyberQ Group is a Cybersecurity company. Their team is headquartered in Birmingham West Midlands, England and offers Cybersecurity and IT managed services.
Read more -
UndisclosedUndisclosed2 - 9London, England
Services provided
35% Computer Engineering35% IT Strategy Consulting30% IT Managed ServicesGoldmine Computer Repairs is an IT strategy consulting company launched in 2011. Their team offers IT strategy consulting and Computer Engineering.
Read more -
UndisclosedUndisclosed10 - 49London, England
Services provided
70% IT Managed Services30% Cloud Consulting & SIIT-Tek Solutions Ltd is a small IT managed services company. Established in 2015, the team focuses on IT managed services and cloud consulting & SI.
Read more -
UndisclosedUndisclosed2 - 9Birmingham, England
Services provided
70% Cybersecurity30% IT Managed ServicesIronshare is a Cybersecurity company. Their small team is headquartered in Birmingham, England. Their services include Cybersecurity and IT managed services.
Read more
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My MatchesTell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
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.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
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
- Work experience and previous projects
- Market presence and reputation in the industry
List of the Top 15 IT Services Companies in the UK
-
$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
Latest IT Services Articles
See all articles
How to Create a Budget for BI & Analytics Services [With Template]
Use our custom template for your business intelligence and analytics needs.
The Best Password Managers for Small Businesses in 2026
How secured are you online? Explore these top password managers to help safeguard your small business from malicious cyber attacks this 2026.
Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.