Top IT Consultants in London
15 Leaders 15 Contenders
1,957 Companies
List of the Top London IT Services Companies
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Featured
What are Featured Providers?
$50,000+$25 - $49 / hr250 - 999Serves London, EnglandServices provided
25% Custom Software Development20% IT Staff Augmentation15% Web Development +4 services10% AI Development10% IT Managed Services10% IT Strategy Consulting10% Mobile App DevelopmentSee all 35 projectsDreamix is a software development company providing services such as software solutions, data management platforms, DevOps, UX/UI design, and AI integration. Reviews from clients highlight their exceptional engineering expertise, strong cultural fit, and effective project management. All feedback is overwhelmingly positive, with clients frequently praising Dreamix's high-quality deliverables, proactive communication, and ability to exceed expectations.
Reviews mention Unique expertise
Clients have consistently praised Dreamix for their unique expertise in data science and machine learning. One review highlighted their 'deep technical expertise and domain knowledge,' which was deemed 'truly unmatched.' Another client commended their 'high-level IT expertise' and proactive approach in meeting specific project needs. Overall, the sentiment reflects strong satisfaction with Dreamix's technical capabilities and adaptability, reinforcing their reputation as a reliable partner in complex projects.-
AI & Custom Software Dev for Drone Inspection Company
5.0 May 8, 2024Dreamix offers a perfect combination of high-level IT expertise and readiness to meet our specific needs, easy and on-time communication, as well as their active involvement and proactive approach. Their expertise is evident in the seamless communication flow and their ability to deliver all project items on time and according to the project specifications.
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Custom AI & Machine Learning Development for Film Nonprofit
5.0 Jan 20, 2021They have a deep understanding of machine learning models and artificial intelligence solutions. Dreamix have kept us updated throughout the project, been open about any challenges faced, and gone above and beyond to deliver the agreed scope. Their expertise in AI solutions is a significant asset to our collaboration.
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Machile Learning Model Dev for Construction Management Firm
5.0 Oct 20, 2025The most impressive aspect of working with Dreamix was their team’s unwavering dedication to the project. They worked tirelessly to accommodate our schedule and time zone differences, and their deep technical expertise and domain knowledge in data science, data engineering, and core principles are truly unmatched.
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3 of 3 reviews are 5 starsUnknown avg. project costRead 2 Recent ReviewsReviewed 3 times in the past 6 months
In the past six months, client feedback for Dreamix has been overwhelmingly positive. Clients praised their engineering expertise, timely delivery, and effective communication. One CTO noted their impressive ability to meet tight deadlines with high-quality software, while another highlighted Dreamix's successful execution of a mobile-responsive platform that exceeded client expectations. Overall, there were no significant areas for improvement mentioned, reflecting strong satisfaction with the services provided.Was this helpful?
Industry Experience
Dreamix has demonstrated strong expertise across various industries, notably Energy & Natural Resources, Information Technology, Healthcare, and Manufacturing. Clients commend their engineering proficiency, effective project management, and adaptability in meeting tight deadlines. Overall sentiment is positive, highlighting strengths in delivering quality solutions and enhancing operational efficiency. Industries such as Healthcare and Manufacturing particularly benefit from their innovative approaches, making Dreamix a suitable partner for tech-driven projects in these fields.
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Supply Chain, Logistics, and Transport Manufacturing Software Real estate Other Industry IT Services Utilities Media Research Consulting Nonprofit Consumer Products Construction Transportation Recreation Healthcare Information technologyWas this helpful?
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$50,000+$50 - $99 / hr1,000 - 9,999Serves London, EnglandServices provided
20% Custom Software Development15% Mobile App Development15% Web Development +5 services10% AI Consulting10% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% Cybersecurity10% IoT DevelopmentSee 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 Professional
Clients consistently commend Sigma Software Group for their high level of professionalism and dedication. One client highlighted their 'talented professionals' who effectively understand and translate requirements, contributing significantly to project success. Another noted their 'excellent retention' and satisfaction with project management. Additionally, a client praised their 'quickness to respond' and organized approach, reinforcing the sentiment of reliability and expertise. Overall, the feedback reflects a strong, positive sentiment towards the professionalism exhibited by Sigma Software Group.-
Outsourcing Services for Construction Company
5.0 Oct 30, 2023Their team is made up of talented professionals. They understand our needs and are good at translating our requirements.
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Staff Augmentation for Application Software Security Company
5.0 Aug 3, 2023One of the most impressive qualities of the Sigma Software Group team is the high level of professionalism exhibited by their employees. Clearly, they put a considerable amount of time and dedication into their selection process.
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Custom Software Development for Airlines Association
4.5 Apr 13, 2023I was most impressed by Sigma Software Group’s professionalism and quickness to respond. Sigma Software Group also had a wide team of specialists, which was really positive for me because I didn’t have experience in software development.
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Logo Marketplace for Design Platform
4.5 Jun 7, 2021Sigma team is always very professional and understanding to a startup's position. We are very grateful for the professionalism and flexibility that Sigma has shown us over the years.
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Industry Experience
Sigma Software Group has demonstrated strong expertise across multiple industries, including Advertising & Marketing, Financial Services, Education, and Food & Beverage. Clients consistently highlight their innovative solutions, responsiveness, and integration as part of the team. In Advertising & Marketing, they excelled in website development and app creation. In Financial Services, their role in staff augmentation and software development was crucial. The Education sector benefited from their tailored platforms. Overall, feedback reveals high satisfaction, making Sigma a versatile partner for technology-driven projects across these sectors.
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Financial services Other Industry Food & Beverage Information technology Education Logistics & Supply Chain Construction Arts, entertainment & music Software Sports IT Services Manufacturing Automotive Retail Real estate Design Healthcare Gambling Advertising & marketingWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Client feedback on Sigma Software Group highlights a consistent perception of good value for money, with many noting that their pricing fits within budget constraints. For instance, one client emphasized their selection due to 'good value for cost,' while another remarked on the 'excellent attention to detail' provided at a reasonable price. Overall sentiment indicates satisfaction with the cost-effectiveness of services, but some clients suggested that while they received quality work, the pricing was higher than expected, indicating a mixed but generally positive view on value.Was this helpful?
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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.
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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 - 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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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
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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.
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.
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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
35.1/40.016.2/20 Reviews10/10 Clients & Experience8.9/10 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+$200 - $300 / hr1,000 - 9,999London, England
Ability to deliver
32.8/40.015.6/20 Reviews7.8/10 Clients & Experience9.4/10 Market PresenceService focus
100% IT Consulting -
$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 -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
25% IT Consulting75% Other -
$25,000+$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
50% IT Consulting50% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
39.1/40.019.2/20 Reviews10/10 Clients & Experience9.9/10 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 -
$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+$50 - $99 / hr250 - 999London, England
Ability to deliver
29.9/40.016.2/20 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 -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
40% IT Consulting60% 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 -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
39.1/40.019.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% IT Consulting85% 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 / hr50 - 249London, England
Ability to deliver
35.7/40.017.2/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
45% IT Consulting55% 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 -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
39/40.019/20 Reviews10/10 Clients & Experience10/10 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 -
$25,000+< $25 / hr1,000 - 9,999London, England
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 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 -
$50,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
35.5/40.016/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
25% IT Consulting75% 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 -
$5,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
32.8/40.016.4/20 Reviews9.7/10 Clients & Experience6.8/10 Market PresenceService focus
40% IT Consulting60% Other
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