Top IT Consultants in London
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List of the Top London IT Services Companies
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$50,000+$50 - $99 / hr1,000 - 9,999Serves London, EnglandServices 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.
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 reviews of Sigma Software Group indicate a strong overall sentiment, highlighting their efficiency, creativity, and collaborative spirit. Clients have noted measurable improvements in website engagement and lead generation following project completion. One client particularly appreciated the team's timely delivery and adaptability, while suggesting a desire for more proactive web guidance. Overall, Sigma Software Group is recognized for its alignment with client values and effective communication throughout the project lifecycle.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?
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UndisclosedUndisclosed10 - 49London, England
Services provided
40% Web Development30% IT Managed Services30% Mobile App DevelopmentSmall website development company Texo Design, is in Kensington, Australia and London, England. The team provides Web Development and IT managed services.
Read moreSee All Locations (3)London, England
Canary Wharf
London, England E14+44.380.8134.9889
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UndisclosedUndisclosed2 - 9London, England
Services provided
20% IT Managed Services20% Logo20% Mobile App Development +2 services20% Social Media Marketing20% Web DesignLocal Web Setup is an IT managed services company. The team provides IT managed services and Logo and is headquartered in London, England.
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UndisclosedUndisclosed2 - 9London, England
Services provided
20% Search Engine Optimization20% UX/UI Design15% BI & Big Data Consulting & SI +3 services15% Digital Strategy15% Sales Outsourcing15% Social Media MarketingEstablished in 2010, GA4-Search is a small SEO agency based in London, England. Their team provides Search Engine Optimization and UX/UI Design.
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UndisclosedUndisclosed50 - 249Watford, England
Services provided
25% Custom Software Development25% E-Commerce Development25% IT Managed Services +1 service25% Mobile App DevelopmentSUYOG COMPUTECH is an IT managed services company. The Watford, England-based team provides IT managed services and Custom Software Development.
Read more -
UndisclosedUndisclosed10 - 49London, England
Services provided
20% Mobile App Development20% Web Development15% Custom Software Development +3 services15% E-Commerce Development15% IT Managed Services15% IT Staff AugmentationWeb development company Quip Global was launched in 2014. The agency focuses on Web Development and Mobile App Development, and is small.
Read moreSee All Locations (3)London, England
18 New-bridge Court,
London, England EC4V 4EGWas this helpful?
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UndisclosedUndisclosed250 - 999City of London, England
Services provided
20% Advertising20% IT Managed Services20% Marketing Strategy +2 services20% Media Planning & Buying20% Pay Per ClickWideOrbit is a midsize Advertising company in San Francisco, California and City of London, England. The team provides Advertising and Marketing Strategy.
Read moreSee All Locations (2)City of London, England
Aviation House, 125 Kings Way
City of London, England WC2B 6NHWas this helpful?
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UndisclosedUndisclosed2 - 9City of London, England
Services provided
50% Application Testing50% BI & Big Data Consulting & SICOPERIS PARTNERS, a data analytics company and Application Testing company, was founded in 2014. The agency offers BI & big data consulting & SI and Application Testing, and is small.
Read moreSee All Locations (2)City of London, England
145-157 St John Street
City of London, England EC1V 4AT+44(0)560 364 8184
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UndisclosedUndisclosed50 - 249Harrow on the Hill, England
Services provided
20% Application Testing20% BI & Big Data Consulting & SI20% IoT Development +2 services20% Mobile App Development20% UX/UI DesignUX company Ab Ovo, Inc. Was founded in 2006. The agency offers UX/UI Design and BI & big data consulting & SI.
Read moreSee All Locations (3)Harrow on the Hill, England
Ground Floor Office Cervantes House, 5-9 Headstone Road
Harrow on the Hill, England HA1 1PDWas this helpful?
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UndisclosedUndisclosed2 - 9London, England
Services provided
20% Content Marketing20% Content Writing Services20% Graphic Design +2 services20% IT Managed Services20% Web DesignGreatSite 4U, a small Content Marketing company, is in London, England. Their services include Content Marketing and Web Design.
Read more -
UndisclosedUndisclosed10 - 49London, England
Services provided
25% E-Commerce Development25% IT Managed Services25% Search Engine Optimization +1 service25% Web DevelopmentWeb Design Agency UK, a SEO agency, was launched in 2016. The small team focuses on Search Engine Optimization and IT managed services.
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$10,000+$150 - $199 / hr10 - 49London, England
Services provided
40% Transcription30% Call Center Services10% Cybersecurity +2 services10% Web Design10% Web DevelopmentSnap International is a Transcription company. They are based in London, England and have small team. Their services include Transcription and Call Center Services.
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UndisclosedUndisclosed10 - 49London, England
Services provided
60% Funding & Investment20% DevOps Managed Services10% AI Development +1 service10% CybersecurityNauta Capital UK Ltd is a Funding & Investment company headquartered in London, England and Barcelona, Spain. Founded in 2004, the team offers Funding & Investment and DevOps Managed Services.
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$10,000+$150 - $199 / hr2 - 9Hook, England
Services provided
25% Mobile App Development25% Web Development20% UX/UI Design +2 services20% Web Design10% IT Managed ServicesProweb Software is a mobile application development firm. The Hook, England-based firm was launched in 2009. Their services include Mobile App Development and Web Development.
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$10,000+$150 - $199 / hr2 - 9London , England
Services provided
15% E-Commerce Development15% Mobile App Development15% Search Engine Optimization +5 services15% Web Design10% IT Managed Services10% Marketing Strategy10% Pay Per Click10% Social Media MarketingSatsuma Media Ltd is an e-commerce development company located in Bristol , England and London , England. Their services include E-Commerce Development and Mobile App Development.
Read moreSee All Locations (2)London , England
49 South Molton Street
London , England W1K 5LA0203.3137.7234
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$10,000+$150 - $199 / hr2 - 9London, England
Services provided
20% Search Engine Optimization20% Web Design10% CRM Consulting and SI +5 services10% Content Marketing10% Email Marketing10% Marketing Strategy10% Pay Per Click10% Social Media MarketingLittle Fish Media is a SEO agency. They are in Horsham, England and London, England and have small team. Their team provides Search Engine Optimization and Web Design.
Read moreSee All Locations (2)London, England
27 Austin Friars
London, England EC2N 2QP44.0.203.219.6500
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$10,000+$150 - $199 / hr2 - 9Bedford, England
Services provided
20% Mobile App Development20% Web Design10% Content Marketing +5 services10% Digital Strategy10% E-Commerce Development10% IT Managed Services10% Search Engine Optimization10% Social Media MarketingShynee Web Design is a small application development firm based in Bedford, England. Their services include Mobile App Development and Web Design.
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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.
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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
- Work experience and previous projects
- Market presence and reputation in the industry
List of the Top 15 London IT Services Companies
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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 - 49London, England
Ability to deliver
35.7/40.016.8/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
100% IT Consulting -
$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 -
$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 -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
24% IT Consulting76% 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 -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
38.5/40.019.2/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% IT Consulting70% 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
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
40% IT Consulting60% Other -
$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
36.5/40.016.6/20 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+$150 - $199 / hr250 - 999London, England
Ability to deliver
39.6/40.019.6/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% IT Consulting90% Other -
$25,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% IT Consulting90% Other -
$25,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
36.3/40.020/20 Reviews9/10 Clients & Experience7.2/10 Market PresenceService focus
25% IT Consulting75% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% IT Consulting90% Other -
$1,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
23.7/40.016/20 Reviews2.9/10 Clients & Experience4.9/10 Market PresenceService focus
100% IT Consulting -
$25,000+Undisclosed50 - 249London, England
Ability to deliver
30.1/40.016/20 Reviews8/10 Clients & Experience6.1/10 Market PresenceService focus
55% IT Consulting45% Other -
$100,000+$50 - $99 / hr1,000 - 9,999London , England
Ability to deliver
34/40.015.8/20 Reviews10/10 Clients & Experience8.2/10 Market PresenceService focus
20% IT Consulting80% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
39.3/40.020/20 Reviews9.9/10 Clients & Experience9.5/10 Market PresenceService focus
30% IT Consulting70% Other -
$50,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% IT Consulting90% Other -
$1,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
39.2/40.019.8/20 Reviews9.6/10 Clients & Experience9.8/10 Market PresenceService focus
20% IT Consulting80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
39.1/40.019.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% IT Consulting90% Other
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