Top London Custom Software Development Firms
London’s position as Europe’s fintech capital and home to global giants like Google, Meta, and Revolut makes it a hotbed for cutting-edge software talent. Whether you’re a Canary Wharf enterprise or a Shoreditch startup, the right development partner can turn your concept into a secure, scalable application.
Clutch connects you with verified London software development agencies through in-depth client reviews, detailed service profiles, and transparent ratings. Use the filters on this page to narrow firms by budget, tech stack, industry focus, and team size—then compare side-by-side to find the best match for your project. Every provider listed here has passed Clutch’s rigorous verification process, so you can hire with confidence.
Looking to compare a broader pool of experts? Explore the global list of Top Software Development Companies
Considering nearby talent hubs? Check out Software Development Firms in Manchester and Software Development Agencies in Bristol
Need industry-specific partners? View our filter for London Healthcare Software Developers
1,053 Companies
List of London's Top Software Companies | Top London Software Developers
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Featured
What are Featured Providers?
$25,000+$25 - $49 / hr50 - 249London, EnglandServices provided
10% Custom Software Development40% Blockchain20% Mobile App Development +2 services20% Web Development10% IT Strategy ConsultingSee all 33 projectsTech Alchemy is a bespoke software development company specializing in full-stack and custom software creation, often integrating advanced technologies like AI and blockchain. Across their reviews, 100% of clients praised their project management, innovation, and commitment to understanding and realizing client visions. Notably, 85% of reviewers highlighted their strategic and technical expertise as key strengths.
Industry Experience
Tech Alchemy has received positive feedback across various industries, showcasing their expertise in Financial Services, Arts, Gaming, Software, and Healthcare. Clients commend their innovative approach, timely delivery, and strong communication. In Financial Services, they excelled in app development for fintech solutions. In Arts and Gaming, their blockchain capabilities were highlighted, enhancing user engagement. Notably, their work in Healthcare and IT Services revealed their adaptability and commitment to client success. Overall, their strengths in technical knowledge and project management make them a suitable partner across diverse sectors.
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Non-profit Financial services Gaming Software Sports Media Other Industry Government IT Services Healthcare Hospitality & leisure Advertising & marketing Business services Consumer Products Arts, entertainment & musicWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Tech Alchemy is widely regarded for delivering strong value for money, with many clients praising their competitive pricing. A CEO noted that Tech Alchemy's pricing fit their budget while maintaining high quality, and a COO highlighted the company's ability to provide exceptional service without exceeding initial budgets. Overall, clients expressed satisfaction with the cost-effectiveness of their projects, often remarking on the impressive outcomes relative to their investment.Was this helpful?
More responsive than most other service providers
Get in TouchTech Alchemy is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.Was this helpful?
Review Rating from Clients
5.0/5.0
Quality
5.0
Schedule
5.0
Cost
4.8
Willing to Refer
5.0
London-based clients praise Tech Alchemy for their expertise in AI, blockchain, and web development, delivering complex projects like mentoring apps, gaming ecosystems, and data warehouses. They highlight strong project management, clear communication, and innovative solutions, with clients valuing their strategic insight and reliable, timely delivery.Read Local ReviewsWas this helpful?
$25,000+$25 - $49 / hr1,000 - 9,999Serves London, EnglandServices provided
10% Custom Software Development20% AI Development20% Cloud Consulting & SI +5 services10% CRM Consulting and SI10% E-Commerce Development10% ERP Consulting and SI10% Enterprise App Modernization10% Mobile App DevelopmentSee all 83 projectsSimform is a custom software development company specializing in end-to-end software development solutions, including both front-end and back-end services. The firm is praised for its high-level expertise, responsiveness, and seamless integration with clients' teams, with approximately 90% of reviews highlighting their effective project management and timely delivery. While most clients express satisfaction, 10% of reviews suggest room for improvement in transparency and accountability.
Reviews mention Experienced
The feedback regarding Simform's experience is overwhelmingly positive, highlighting their highly skilled and proactive team. Clients noted their ability to deliver high-quality work on time and their flexibility in adapting to project needs. For instance, the Director of Engineering at Datamark Inc. praised their ease of collaboration and trustworthiness, while the CTO of a medical device company commended their outstanding account management and responsiveness. Overall, clients expressed satisfaction with Simform's commitment to project success and their comprehensive understanding of client requirements.-
Staff Aug, Web Design & Dev for Software Development Startup
4.5 Sep 1, 2023I’m impressed with Simform’s developers' skill set, which is high compared to their peers. The team is professional and very involved with our project — they think of the product as their own company’s product. Simform challenges our concepts and constantly provides suggestions to improve our work, highlighting the challenges they foresee.
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Mobile App Development for Digital Ad Solutions Company
5.0 Jun 22, 2023The developers at Simform were proficient, displaying remarkable skill and initiative. With minimal guidance, they effortlessly tackled development and implementation tasks. Their communication was seamless, contributing to smooth collaboration.
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Mobile App & Software Development for Medical Device Company
5.0 Nov 7, 2022The quality of the people is fantastic. Everyone is highly experienced and easy to work with and do everything possible to make the projects a success.
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Web Dev & Database Management for Data Analytics Company
5.0 Jul 7, 2022I'm most impressed with Simform's ability to properly plan things, manage their work, and communicate early about what it will take. They're clearly experienced, understand what's needed, and are truthful and honest about it.
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Mobile App Dev & Maintenance for Technology Company
5.0 Jul 4, 2022There are several key areas that impress me about Simform. First is their experienced and skilled development staff. We have expanded to partner with Simform on additional projects with a variety of skillsets from mobile to iOT to web development to Raspberry Pi device development.
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Industry Experience
Simform has demonstrated notable expertise across various industries, including business services, finance, healthcare, and real estate, with a strong emphasis on mobile application and web development. Clients praised their technical capabilities, proactive communication, and commitment to project timelines. Overall sentiment is positive, highlighting their ability to adapt to complex requirements and deliver high-quality results. Organizations in sectors like healthcare and finance particularly benefitted from their deep technical insights and disciplined project management, making Simform a reliable partner for technology-driven projects.
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Utilities Financial services eCommerce Real estate Healthcare Logistics & Supply Chain Wellness & Fitness Agriculture Human Resources Media Other industries Consulting Advertising & marketing IT Services Nonprofit Construction Legal Arts, entertainment & music Gaming Food & Beverages Other Industry Hospitality & leisure Education Consumer Products Fitness Software Business services Information technologyWas this helpful?
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1 of 2 London-based review is 5 stars$200,000 – $999,999 avg. project cost for Custom Software Development services in LondonRead Similar ReviewsCustom Software Development project highlight
Mobile App & Software Development for Medical Device Company
5.0 — Simform was hired by a medical device company to build a mobile app for iOS and Android. They're also tasked with providing software development support for the client's R&D department. Read moreWas this helpful?
$25,000+$25 - $49 / hr50 - 249Serves London, EnglandServices provided
35% Custom Software Development30% AI Development15% Web Development +2 services10% Cloud Consulting & SI10% Mobile App DevelopmentSee all 53 projectsLeobit is a Custom Software Development company known for its strong expertise in modern architecture and end-to-end software development. Their reviews highlight an impressive 100% satisfaction rate with clients frequently praising their technical proficiency, project management, and communication skills. Many clients specifically commend their ability to deliver projects on time and within budget while maintaining high-quality standards.
Reviews mention Timely
Leobit consistently demonstrates a strong commitment to timely project delivery, as evidenced by client feedback. For instance, one client noted that Leobit 'completed the promised deliverables on time and within budget,' while another highlighted their 'impressive flexibility' in responding to changing needs. Overall, clients express high satisfaction with Leobit's punctuality, stating that they 'delivered items on schedule' and maintained clear communication throughout, solidifying their reputation for reliability.-
Software Development for Software Company
5.0 Apr 18, 2024They provided non-billable project management services as part of the development process to ensure smooth communication and adherence to timelines. Their exceptional responsiveness to our needs fostered a collaborative environment, enabling us to address any concerns or necessary modifications in a timely manner.
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App Development & Testing for Financial Services Co
5.0 Nov 28, 2023Our Leobit team continually exceeds expectations for on-time delivery and quality of work product. Leobit has continually shown a willingness to provide flexible coverage and team scalability.
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Custom Software Development for Financial Services Company
5.0 Nov 10, 2023Yes, they did deliver items on time and respond to my need via email, zoom call. They are great people and very helpful.
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Platform Dev & Maintenance for Payment Technology Platform
5.0 Mar 29, 2023Expectations were managed so that all were in the know of when deliverables were going to be ready. Their flexibility to adjust to project demands in a timely fashion is impressive.
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Software Development for Franchise Software Company
5.0 May 24, 2022Leobit is very strong when it comes to communication. They take time to fully understand our requirements and meet with us often to ensure we were on track and on the same page. Leobit meets every deadline.
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Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight Leobit's competitive pricing and exceptional value for money. Feedback indicates that their pricing fits various budgets while delivering high-quality results. One client noted, 'Good value for cost' and another emphasized their flexibility in optimizing project costs for a non-profit organization. Overall, the sentiment reflects satisfaction with the balance between cost and the quality of service provided, affirming Leobit as a reliable partner for software development.Was this helpful?
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1 of 1 London-based review is 5 stars$200,000 – $999,999 avg. project cost for Custom Software Development services in LondonRead Similar ReviewsCustom Software Development project highlight
App Development & Testing for Financial Services Co
5.0 — A financial services company has hired Leobit for app development and testing. The team has provided on-site web app development of a client-facing app and a legacy loan system. Read moreWas this helpful?
$10,000+$25 - $49 / hr50 - 249Serves London, EnglandServices provided
15% Custom Software Development15% IT Staff Augmentation10% AI Consulting +6 services10% AI Development10% Digital Strategy10% IT Strategy Consulting10% Mobile App Development10% UX/UI Design10% Web DevelopmentSee all 4 projectsAttrecto Next Tech Digital Solutions is a custom software development company known for its expertise in bespoke software creation and end-to-end software development services. The firm has received overwhelmingly positive feedback, with clients highlighting their adaptability and effective communication. Approximately 100% of reviewers commend their ability to listen and adjust to client needs.
Reviews mention Knowledgeable
Clients consistently commend Attrecto's expertise and extensive knowledge base, highlighting their capability in software development and project management. One client noted their 'deep understanding' of business requirements, while another praised their 'strong network of contractors' for rapid scaling. Overall, the sentiment reflects confidence in Attrecto's ability to deliver high-quality solutions and support, with clients expressing satisfaction in their collaborative approach and innovative capabilities.-
Ongoing Development for Digital Transformation Company
4.0 Jul 19, 2016Attrecto is a very capable developer with a large knowledge base. They have a strong network of contractors from which to hire in order to scale quickly where needed. Attrecto has a great outreach to universities and a solid on-boarding process in order to obtain the best talent.
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iOS App Development for Online Art Marketplace
5.0 May 5, 2016Many things stand out to me: the effectiveness of Attrecto's planning and delivery, the flexibility with our requests and timelines, the knowledge of what's new and available in the tech industry, the ability to catch up business particularities in such a short time, and their innate innovation spirit.
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1 of 1 reviews is 5 stars1 new review for Custom Software Development servicesUnknown avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
Recent client feedback for Attrecto Next Tech Digital Solutions highlights their effective collaboration and adaptability in developing a B2B software product for the small business M&A industry. Clients commend the team's responsiveness and ability to align with their needs, resulting in positive early user feedback. Overall, the sentiment is highly favorable, with no significant areas for improvement noted.Was this helpful?
1 of 1 Custom Software Development reviews are 5 stars1 new review for Custom Software Development in past 6 monthsUnknown avg. project costRead 1 ReviewCustom Software Development PROJECT HIGHLIGHT
B2B Software Product Design & Dev for FinTech Company
5.0 — Attrecto Next Tech Digital Solutions designed and developed a new B2B software product for a fintech platform. Read moreWas this helpful?
Industry Experience
Attrecto Next Tech Digital Solutions has proven expertise across multiple industries, particularly in Financial Services, Business Services, and Arts & Entertainment. Clients commend their flexibility, project management capabilities, and technical knowledge. Feedback highlights successful website and app development in Financial Services, robust software solutions for Business Services, and innovative mobile applications in the Arts. Overall, the sentiment is positive, indicating that Attrecto is a suitable partner for companies seeking digital transformation and development in these sectors.
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Business services Arts, entertainment & music Financial servicesWas this helpful?
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$25,000+$50 - $99 / hr10 - 49Luton, England
Services provided
30% Custom Software Development35% Web Development15% E-Commerce Development +2 services10% Mobile App Development10% UX/UI DesignSee all 1 projectsDovelp Limited is a digital solutions company specializing in website design, development, and digital marketing. They are highly praised for their excellent service and innovative design ideas, with 100% of the reviews highlighting their exceptional performance and user-friendly deliverables. Clients commend their effective communication and project management, suggesting no areas for improvement.
Industry Experience
Dovelp Limited has demonstrated expertise primarily in the retail industry, particularly in the development of e-commerce websites for clothing and accessories. Feedback highlights their strengths in website design, user experience, and digital marketing, with clients praising their effective communication and project management. Overall sentiment is highly positive, indicating that potential clients in the retail sector seeking robust digital solutions would find Dovelp Limited to be a suitable partner.
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RetailWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have expressed high satisfaction with Dovelp Limited's cost-effectiveness and value for money. One client noted that the website delivered was 'amazing' and praised the company's 'excellent service' and experienced team. The feedback indicates that Dovelp Limited met all expectations without any negative points highlighted, reinforcing their reputation for delivering quality work at a reasonable price.Was this helpful?
Review Rating from Clients
5.0/5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
Luton-based clients praise Dovelp Limited for their exceptional website design and development, delivering fast, user-friendly solutions on BlueCommerce. Their team’s expertise in digital identity, social media, and marketing results in highly satisfying, professional outcomes. Clients highlight their reliable, responsive service and impressive project execution.Read Local ReviewsWas this helpful?
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Undisclosed$25 - $49 / hr50 - 249Richmond, England
Services provided
20% Custom Software Development20% E-Commerce Development20% IoT Development +2 services20% Mobile App Development20% Web DevelopmentGislen Software is a custom software development firm established in 1994. Their team specializes in Custom Software Development and Web Development.
Read moreSee All Locations (3)Richmond, England
1, The Green
Richmond, England TW9 1QF1
+9144-2262-7541
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Featured
What are Featured Providers?
$25,000+< $25 / hr250 - 999Serves London, EnglandServices provided
25% Custom Software Development25% AI Development10% AI Agents +6 services10% Generative AI10% Web Development5% AI Consulting5% Enterprise App Modernization5% IT Strategy Consulting5% Mobile App DevelopmentSee all 51 projectsDreamzTech Solutions is a Custom Software Creation company that specializes in tailored software development, offering full stack and bespoke solutions. Based on their reviews, 90% of feedback is positive, highlighting their commitment to delivering customized solutions on time and their impressive project management skills. Their deep understanding of client needs and ability to adapt are mentioned in 80% of reviews, showcasing their dedication to client satisfaction and quality.
Industry Experience
DreamzTech Solutions has demonstrated expertise across various industries, including Real Estate, Automotive, Manufacturing, Hospitality, Healthcare, Financial Services, and Education. Clients consistently praise their ability to deliver customized solutions that improve operational efficiency and user engagement. In Real Estate, they modernized title management systems, while in Automotive, they optimized fleet management platforms. Overall, feedback highlights their structured project management, flexibility in addressing client needs, and a strong understanding of industry-specific challenges, making them a suitable partner for diverse sectors.
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Logistics & Supply Chain Education Advertising & marketing Software Consulting Consumer Products Beauty & Cosmetics Hospitality & leisure IT Services Sports Information technology Arts, entertainment & music Healthcare Manufacturing Automotive Real estate Gambling Financial servicesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Overall feedback on DreamzTech Solutions indicates strong client satisfaction regarding cost and value for money. Clients consistently noted that their pricing fits within budget constraints and provides good value compared to competitors. For instance, one CEO stated, 'Pricing fit our budget' and highlighted the company's ability to deliver tailored solutions without compromising quality. Another client mentioned, 'They were able to deliver exactly what I had envisioned for the price they had originally quoted,' reflecting a positive sentiment towards the cost-effectiveness of their services.Was this helpful?
More responsive than most other service providers
Get in TouchDreamzTech Solutions is 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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$1,000+< $25 / hr10 - 49London, England
Services provided
30% Custom Software Development30% AI Agents20% AI Consulting +1 service20% Mobile App DevelopmentGenAILabs, a software development company, is located in London, England. Launched in 2025, the team offers Custom Software Development and AI Agents.
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UndisclosedUndisclosed2 - 9London, England
Services provided
25% Custom Software Development25% Cloud Consulting & SI13% HR Outsourcing +3 services13% Staffing12% HR Consulting12% RecruitingBased in London, England, Kommol is a small cloud consulting & SI company. Their services include cloud consulting & SI and Custom Software Development.
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UndisclosedUndisclosed2 - 9London, England
Services provided
30% Custom Software Development30% Cloud Consulting & SI20% Mobile App Development +1 service20% Web DevelopmentEstablished in 2011, Million Solutions is a small London, England-based software development company. Their team provides Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9London, England
Services provided
30% Custom Software Development35% IT Staff Augmentation35% IT Strategy ConsultingColourblack, an IT strategy consulting company, was established in 2004. The small team offers IT strategy consulting and IT staff augmentation.
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$25,000+$150 - $199 / hr2 - 9London, England
Services provided
30% Custom Software Development30% Web Design20% Mobile App Development +1 service20% Web DevelopmentAxamattic is a web design agency. Launched in 2024, the team provides Web Design and Custom Software Development.
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$250,000+$25 - $49 / hr10 - 49London, England
Services provided
20% Custom Software Development40% IT Staff Augmentation10% AR/VR Development +4 services10% Application Testing10% Mobile App Development5% Application Management & Support5% BlockchainSee all 1 projectsSAQAYA offers Bespoke Software Development and Tailored Software Solutions, specializing in Custom Software Development and CS Dev services. Reviews highlight their strong commitment to client goals, effective project management, and a focus on delivering high-quality and value-driven solutions. Clients appreciate their transparent communication and alignment with client values, contributing to successful project outcomes.
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$10,000+$25 - $49 / hr50 - 249London, England
Services provided
10% Custom Software Development20% Mobile App Development20% Web Development +5 services15% Search Engine Optimization10% Low/No Code Development10% Other Digital Marketing10% Web Design5% E-Commerce DevelopmentSee all 1 projectsDamex Digital Ltd specializes in social media marketing, encompassing content creation, analytics, and influencer outreach. Reviews highlight their innovative strategies, effective collaboration, and strong customer service. Clients commend their ability to increase customer satisfaction and reduce costs, positioning them as a reliable and proficient partner for social media endeavors.
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$1,000+$25 - $49 / hr2 - 9London, England
Services provided
10% Custom Software Development65% Web Development15% Low/No Code Development +1 service10% E-Commerce DevelopmentPunterDigital is a website development company. Launched in 2018, the company is in Liverpool, England and London, England. Their services include Web Development and Custom Software Development.
Read moreSee All Locations (2)London, England
81 Rivington Street
London, England EC2A 3AY1
078647556688
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$10,000+$150 - $199 / hr10 - 49London, England
Services provided
20% Custom Software Development30% BI & Big Data Consulting & SI30% Marketing Strategy +1 service20% Market ResearchHealth iQ is a big data analytics company. They are in London, England and have small team of experts. Their services include BI & big data consulting & SI and Marketing Strategy.
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$10,000+$100 - $149 / hr10 - 49London, England
Services provided
20% Custom Software Development30% AR/VR Development20% Mobile App Development +2 services15% Advertising15% Marketing StrategyNeutral Digital is an AR/VR development company. The London, England-based company specializes in AR/VR development and Custom Software Development.
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$5,000+$150 - $199 / hr10 - 49London, England
Services provided
20% Custom Software Development50% AI Development30% Other Application DevelopmentFilament AI is a London, England-based artificial intelligence firm. They offer Artificial Intelligence and Other Application Development and were founded in 2016.
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UndisclosedUndisclosed10 - 49London, England
Services provided
20% Custom Software Development20% Branding20% Digital Strategy +2 services20% Mobile App Development20% Web DesignSmall custom software development firm WAAT Ltd., is in London, England. The team specializes in Custom Software Development and Branding.
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UndisclosedUndisclosed10 - 49London Bridge, England
Services provided
20% Custom Software Development20% E-Commerce Development20% UX/UI Design +2 services20% Web Design20% Web DevelopmentDigital Marmalade is a small software development firm. They offer Custom Software Development and UX/UI Design and were launched in 1997.
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UndisclosedUndisclosed10 - 49London, England
Services provided
20% Custom Software Development80% CRM Consulting and SICRM consulting and SI company Creation Technology was established in 2006. The team provides CRM consulting and SI and Custom Software Development and is located in London, England.
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UndisclosedUndisclosed10 - 49City of London, England
Services provided
20% Custom Software Development20% Mobile App Development20% Web Development +4 services10% E-Commerce Development10% Pay Per Click10% Search Engine Optimization10% UX/UI DesignXTG Technologies is a small software development company in City of London, England and Kochi, India. The team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49London, England
Services provided
20% Custom Software Development25% Recruiting25% Staffing +3 services10% Executive Search10% Mobile App Development10% UX/UI DesignFounded in 2016, Koda Staff is a Staffing company. The firm focuses on Staffing and Recruiting, and is small.
Read moreSee All Locations (3)London, England
66 Wilton Road , Floor 2
London, England SW1V 1DE6 - 9
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UndisclosedUndisclosed10 - 49Hertfordshire, England, England
Services provided
20% Custom Software Development20% AI Development20% Application Testing +3 services20% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% Web DesignIOCO UK | iOCO Solutions Limited is a big data company founded in 2008. Located in Hertfordshire, England, England, the team offers BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49London, England
Services provided
20% Custom Software Development30% Low/No Code Development20% AI Development +2 services20% CRM Consulting and SI10% Web DesignBased in London, England and Cape Town, South Africa, riivo Ltd is a Low/No Code Development company. The team offers Low/No Code Development and CRM consulting and SI.
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$10,000+$300+ / hr2 - 9London, England
Services provided
30% Custom Software Development10% AI Development10% API Development +5 services10% Generative AI10% Mobile App Development10% Other Application Development10% Wearable App Development10% Web DevelopmentQxotk.ai, a custom software development company, is in London, England. Founded in 2023, the team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Dagenham, England
Services provided
25% Custom Software Development25% Application Testing25% Mobile App Development +1 service25% Web DevelopmentHeadquartered in Dagenham, England, APPITUNITY is a small software development company. Their services include Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49London, England
Services provided
25% Custom Software Development25% Employer of Record (EOR) Services25% IT Managed Services +1 service25% IT Strategy ConsultingInvision Pixels is an IT strategy consulting company. The Tanger, Morocco-based team focuses on IT strategy consulting and IT managed services.
Read moreSee All Locations (2)London, England
spencer house
London, England SW1A 1NR1
+447869827037
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Undisclosed$25 - $49 / hr10 - 49London, England
Services provided
15% Custom Software Development15% Web Development10% API Development +10 services10% AR/VR Development10% Mobile App Development5% Application Management & Support5% Blockchain5% CRM Consulting and SI5% Cloud Consulting & SI5% IT Managed Services5% IT Strategy Consulting5% Other Application Development5% UX/UI DesignHexaexperts is a London, England-based software development firm. They offer Custom Software Development and Web Development and were launched in 2017.
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$5,000+$25 - $49 / hr250 - 999Luton, England
Services provided
15% Custom Software Development20% Logistics & Supply Chain Consulting15% Supply Chain Management +5 services10% Cloud Consulting & SI10% ERP Consulting and SI10% IT Managed Services10% Low/No Code Development10% Web DesignSee all 4 projectsQwerty Experts is a Custom Software Creation company specializing in tailored software development services such as website updates and custom code implementation. The majority of feedback is positive, with clients praising their excellent project management, timely delivery, and effective communication. Approximately 90% of reviews highlight their ability to understand client needs and deliver satisfactory, high-quality results.
2 of 2 Custom Software Development reviews are 5 stars1 new review for Custom Software Development in past 6 monthsLess than $10,000 avg. project costRead 2 ReviewsCustom Software Development PROJECT HIGHLIGHT
Shopify Website Update for Biohacking Products Retailer
5.0 — A biohacking products retailer hired Qwerty Experts to update their Shopify website theme. The team custom-coded the home and product pages and developed additional web pages for the site. Read moreWas this helpful?
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See All Locations (3)Luton, England
75 Wellington Street
Luton, England LU1 5AA6 - 9
+447552531414
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Review Rating from Clients
5.0/5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
Borehamwood-based clients praise Qwerty Experts for their expertise in website development and tailored tools that boost operational efficiency. Their project management is highly organized, delivering on time and responding flexibly to client needs. The team is recognized for innovative solutions and exceptional customer service.Read Local ReviewsWas this helpful?
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$1,000+< $25 / hr2 - 9London, England
Services provided
10% Custom Software Development40% Mobile App Development15% UX/UI Design +3 services15% Web Design10% AR/VR Development10% Web DevelopmentSee all 1 projectsQuencode specializes in website development, offering services that include creating visually appealing websites with features such as portfolios and contact forms. Clients have praised Quencode for their innovative use of advanced technologies, including AI, to enhance project delivery and efficiency. Feedback highlights their prompt and responsive project management, resulting in high levels of client satisfaction.
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UndisclosedUndisclosed250 - 999London, England
Services provided
10% Custom Software Development10% AI Consulting10% Cloud Consulting & SI +7 services10% Cybersecurity10% Digital Engineering10% IT Strategy Consulting10% Product Design10% Robotics Process Automation10% Search Engine Optimization10% UX/UI DesignTPXimpact Ltd is a London, England-based SEO company. The team provides Search Engine Optimization and UX/UI Design.
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UndisclosedUndisclosed250 - 999London, England
Services provided
10% Custom Software Development20% CRM Consulting and SI20% Search Engine Optimization +4 services20% Social Media Marketing10% Low/No Code Development10% Marketing Strategy10% Web DesignWunderman Thompson MAP, a midsize Marketing Strategy company, is headquartered in København, Denmark and Bangkok, Thailand. Their services include Marketing Strategy and Social Media Marketing.
Read moreSee All Locations (11)London, England
Greater London House, Hampstead Road
London, England NW1 7FB10 - 15
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UndisclosedUndisclosed250 - 999City of London, England
Services provided
10% Custom Software Development20% Application Testing10% Corporate Training & Coaching +6 services10% Cybersecurity10% DevOps Managed Services10% Digital Engineering10% IT Managed Services10% Market Research10% Robotics Process AutomationSparta Global, an Application Testing company, was established in 2014. The midsize team specializes in Application Testing and Market Research.
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UndisclosedUndisclosed250 - 999London, England
Services provided
10% Custom Software Development20% Cloud Consulting & SI20% IT Strategy Consulting +4 services20% Mobile App Development10% Application Testing10% Robotics Process Automation10% UX/UI DesignAlcor Solutions, Inc., an IT strategy consulting company, was established in 2008. The midsize team offers IT strategy consulting and cloud consulting & SI.
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$5,000+$100 - $149 / hrFreelancerLondon, England
Services provided
30% Custom Software Development30% Web Development20% Enterprise App Modernization +2 services10% E-Commerce Development10% Mobile App DevelopmentKensio Software is a custom software development company. They provide Custom Software Development and Web Development and were founded in 2021.
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UndisclosedUndisclosed50 - 249Widford, England
Services provided
100% Custom Software DevelopmentNFS Technology, a custom software development company, was launched in 1994. Located in Widford, England and Phoenix, Arizona, the team provides Custom Software Development.
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$1,000+UndisclosedFreelancerLondon, England
Services provided
20% Custom Software Development50% IoT Development10% AI Development +2 services10% Application Testing10% Business ConsultingBased in London, England, Dothex Ltd is an IoT development company. The team offers IoT development and Custom Software Development.
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$5,000+$100 - $149 / hr2 - 9London, England
Services provided
20% Custom Software Development20% Branding15% Business Consulting +4 services15% IT Strategy Consulting10% Digital Strategy10% Marketing Strategy10% Web DevelopmentIconify is a small London, England-based software development firm. Their services include Custom Software Development and Branding.
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Undisclosed$25 - $49 / hr2 - 9London, England
Services provided
20% Custom Software Development20% AI Development20% E-Commerce Development +2 services20% Low/No Code Development20% Web DevelopmentLaunched in 2019, Devsroom is a custom software development company. The small team provides Custom Software Development and Web Development.
Read moreSee All Locations (3)London, England
71-75 Shelton Street
London, England WC2H 9BH1
+44 7360 500351
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$5,000+$25 - $49 / hr2 - 9London, England
Services provided
15% Custom Software Development15% AR/VR Development10% IT Staff Augmentation +9 services10% Low/No Code Development10% Mobile App Development10% Web Development5% AI Development5% API Development5% Application Management & Support5% Application Testing5% Blockchain5% Wearable App DevelopmentSee all 1 projectsEngineer Box specializes in Bespoke Software Development, including Custom App Development and website revamps. Overall, their reviews highlight exceptional project management, timely delivery, and a deep understanding of complex client needs, leading to highly satisfactory outcomes. Clients consistently praise their practical solutions and effective communication.
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$1,000+$100 - $149 / hr2 - 9Weybridge, England
Services provided
15% Custom Software Development40% IT Managed Services25% Web Development +2 services10% AI Consulting10% AI DevelopmentBased in Weybridge, England, FilioTech is an IT managed services company. Their services include IT managed services and Web Development.
Read more -
UndisclosedUndisclosed2 - 9London, England
Services provided
20% Custom Software Development60% Product Design20% UX/UI DesignMettle Studio Ltd. Is a London, England-based Product Design company. The team provides Product Design and Custom Software Development.
Read more -
$25,000+$100 - $149 / hr2 - 9London, England
Services provided
20% Custom Software Development25% UX/UI Design20% Mobile App Development +3 services15% Low/No Code Development10% Web Design10% Web DevelopmentSee all 4 projectsWe Are Outliers is a bespoke software development company specializing in tailored software solutions, including full stack and end-to-end software development. With 100% positive feedback, clients commend their technical proficiency, creativity, and effective project management, consistently delivering on time and exceeding expectations through innovative solutions.
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight We Are Outliers' strong value for money, noting their competitive pricing and high-quality deliverables. One client remarked on the 'good value for cost' and praised their alignment with company values. Another emphasized that the pricing fit their budget, contributing to a seamless collaboration. Overall, the sentiment reflects satisfaction with the cost-effectiveness of their services, indicating that clients feel they receive excellent results relative to their investment.Was this helpful?
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1 of 1 London-based review is 5 stars$50,000 – $199,999 avg. project cost for Custom Software Development services in LondonRead Similar ReviewsLondon-based Custom Software Development project highlight
AR Dev & UI/UX Design for Marketing & Branding Company
5.0 — We Are Outliers designed and developed an AR solution POC for a branding and marketing company. The team defined a strategy, designed the UX, and implemented the solution into an existing e-commerce Read moreWas this helpful?
Review Rating from Clients
5.0/5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
London clients commend We Are Outliers for their technical skill and creative approach in luxury branding, AR, and digital solutions. Their effective project management and industry experience ensure successful, innovative outcomes for high-end projects, with a focus on quality and client satisfaction.Read Local ReviewsWas this helpful?
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UndisclosedUndisclosed2 - 9London, England
Services provided
20% Custom Software Development20% Logo20% Print Design +2 services20% Web Design20% Web DevelopmentLogo Symmetry, a web design agency, is located in London, England. They provide Web Design and Logo and were founded in 2012.
Read more -
UndisclosedUndisclosed2 - 9London, England
Services provided
20% Custom Software Development40% AI Development40% BI & Big Data Consulting & SIQuasiScience is a business intelligence company. Their team is headquartered in London, England. The firm specializes in BI & big data consulting & SI and Artificial Intelligence.
Read more -
UndisclosedUndisclosed2 - 9London, England
Services provided
20% Custom Software Development20% Business Consulting20% Commercial Financing +2 services20% IT Managed Services20% IT Strategy ConsultingEstablished in 2018, Ignition Transformation is an IT strategy consulting company. Their services include IT strategy consulting and IT managed services.
Read more -
UndisclosedUndisclosed2 - 9London, England
Services provided
20% Custom Software Development20% Low/No Code Development20% UX/UI Design +2 services20% Web Design20% Web DevelopmentMatechs Digital Ltd is a web design company. They provide Web Design and UX/UI Design and are in London, England.
Read more -
Undisclosed$50 - $99 / hr10 - 49London, England
Services provided
10% Custom Software Development10% Advertising10% Business Consulting +7 services10% Digital Strategy10% E-Commerce Development10% Ecommerce Marketing10% IT Strategy Consulting10% Other IT Consulting and SI10% Web Design10% Web DevelopmentLaunched in 2005, SITELICON ECOMMERCE SERVICES is a small Advertising company. Their team offers Advertising and Digital Strategy.
Read moreSee All Locations (2)London, England
3-7 Temple Avenue
London, England EC4Y 0DA1
+442045250818
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$25,000+$100 - $149 / hr10 - 49London, England
Services provided
15% Custom Software Development70% ERP Consulting and SI10% IT Strategy Consulting +1 service5% CRM Consulting and SIInflow Systems is an ERP consulting and SI company. They are located in London, England and have small team of experts. Their services include ERP consulting and SI and Custom Software Development.
Read more -
$100,000+< $25 / hr50 - 249Slough, England
Services provided
20% Custom Software Development20% IT Staff Augmentation15% Mobile App Development +4 services15% Web Development10% AI Development10% CRM Consulting and SI10% IoT DevelopmentSee all 2 projectsIntagleo Systems is a Custom Software Development company that excels in delivering tailored software solutions, such as full-stack and bespoke software development. The reviews highlight their effective project management and timely delivery, with 100% of reviewers noting the company's culture fit and diligent approach. Clients appreciate their structured communication and competent use of technology frameworks.
Reviews mention Knowledgeable
Clients consistently praise Intagleo Systems for their knowledgeable staff and effective project management. A CEO from Datahoist noted that the developer demonstrated a strong understanding of frameworks and maintained diligence throughout the project. The use of multiple management levels for quality assurance was particularly highlighted, ensuring timely delivery and responsiveness to client needs. Overall, the sentiment reflects a high level of satisfaction with Intagleo's expertise and professionalism.-
Custom Software Development for Industrial IoT Company
5.0 Sep 8, 2023Different levels of management contacted me to make sure the job went correctly. The developer knew the frameworks and was diligent throughout the partnership.
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1 of 1 Custom Software Development reviews are 5 starsLess than $10,000 avg. project costRead 1 ReviewCustom Software Development PROJECT HIGHLIGHT
Custom Software Development for Industrial IoT Company
5.0 — Intagleo Systems created a new Blazor-based app for an industrial IoT company. The team was responsible for database management and an organizational chart for data categorization. Read moreWas this helpful?
Industry Experience
Intagleo Systems has demonstrated strong expertise in the Education and Industrial IoT sectors. Clients from the Education industry praised their web and mobile app development, highlighting timely delivery and high-quality outcomes. In the Industrial IoT space, feedback emphasized effective reporting app development with excellent project management and responsiveness. Overall, the sentiment reflects a solid reputation for delivering value and quality across these industries, making Intagleo a suitable partner for organizations seeking technological solutions in these fields.
Read All ReviewsSelect Industry to see insights
Education Other industriesWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Intagleo Systems is frequently praised for providing good value for cost, as noted by clients who highlighted the company's competitive pricing and effective project delivery. One client appreciated their 'good value for cost' and noted a strong culture fit. Another remarked on the timely delivery of milestones and the quality of work, further reinforcing the sentiment that Intagleo offers commendable value relative to their pricing.Was this helpful?
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$1,000+$25 - $49 / hrFreelancerLondon, England
Services provided
30% Custom Software Development35% Advertising30% Content Writing Services +1 service5% StaffingAdvertising company Union Jack Studio was founded in 2022. The company specializes in Advertising and Custom Software Development.
Read more -
$5,000+$50 - $99 / hr2 - 9London, England
Services provided
20% Custom Software Development60% Mobile App Development20% Application Management & SupportApplication development company LIVITA Software was founded in 2022. The agency provides Mobile App Development and Custom Software Development.
Read more -
$1,000+< $25 / hr2 - 9London, England
Services provided
20% Custom Software Development30% Mobile App Development20% Mobile & App Marketing +2 services15% Application Management & Support15% Web DevelopmentMobile app development firm Qoreon Labs LTD is headquartered in London, England. Founded in 2025, the team provides Mobile App Development and Mobile & App Marketing.
Read more -
UndisclosedUndisclosed2 - 9London, England
Services provided
20% Custom Software Development20% AI Development20% Generative AI +2 services20% Mobile App Development20% Web DevelopmentClickaByte is a London, England-based software development firm. Launched in 2025, the team specializes in Custom Software Development and Web Development.
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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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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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List of London's Top 15 Software Companies | Top 15 London Software Developers
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$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
40% Custom Software Development60% 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
45% Custom Software Development55% 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
25% Custom Software Development75% Other -
$50,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
40% Custom Software Development60% Other -
$10,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
39.5/40.020/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
45% Custom Software Development55% Other -
$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
20% Custom Software Development80% Other -
$25,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
38.2/40.018.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
60% Custom Software Development40% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
38.1/40.018.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Custom Software Development50% 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
50% Custom Software Development50% Other -
$1,000+< $25 / hr50 - 249Hertfordshire, England
Ability to deliver
39/40.019.8/20 Reviews9.9/10 Clients & Experience9.3/10 Market PresenceService focus
35% Custom Software Development65% Other -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
39.8/40.019.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Custom Software Development80% Other -
$50,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Custom Software Development70% 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
15% Custom Software Development85% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
50% Custom Software Development50% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
37.1/40.017.4/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
40% Custom Software Development60% Other -
$50,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Custom Software Development55% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
36.8/40.018.2/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
40% Custom Software Development60% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Custom Software Development70% Other -
$50,000+$25 - $49 / hr250 - 999London , England
Ability to deliver
36.3/40.016.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
25% Custom Software Development75% 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
20% Custom Software Development80% 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% Custom Software Development90% Other -
$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
50% Custom Software Development50% Other -
$10,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
37.7/40.018.8/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
30% Custom Software Development70% 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
20% Custom Software Development80% 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
40% Custom Software Development60% Other -
$10,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
37.4/40.017.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
$10,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
36.7/40.017.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
40% Custom Software Development60% Other -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
35.3/40.015.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Custom Software Development70% Other -
$100,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
36.7/40.016.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
16% Custom Software Development84% 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
15% Custom Software Development85% Other
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London Software Developer FAQs
Working with a local team offers unique, strategic advantages that a remote partner may not be able to provide, including:
- Time-zone alignment with the rest of Europe for real-time collaboration.
- Access to London’s deep pool of senior engineers who graduated from Imperial, UCL, and King’s College.
- Familiarity with UK regulations (GDPR, FCA guidelines for fintech) and cybersecurity standards like Cyber Essentials.
- Face-to-face workshops at your office or popular tech hubs around “Silicon Roundabout.”
Rates for hiring a London-based software development firm vary based on several factors, including complexity, team seniority, and technical requirements. To give you a better understanding, here’s a breakdown of costs based on Clutch data:
- Hourly: £75 – £150 for most mid-sized agencies, while boutique specialists may charge up to £200.
- Fixed-price MVP: £30,000 – £80,000 for a 3 – 6 month build.
- Enterprise platforms: £150,000+ for multi-year, multi-team engagements.
London rates are higher than many UK regions, but proximity, talent density, and strategic guidance often justify the premium costs.
Thanks to London’s diverse economy, experienced software development agencies regularly build solutions for clients from various industries and niches, such as:
- Fintech and insuretech
- E-commerce and retail tech
- Healthtech and med-device integrations
- Media, gaming, and streaming platforms
- Proptech and smart-city applications
Many teams also offer sector-specific compliance expertise, such as ISO-13485 for healthcare or PCI DSS for payments.
Start by defining success metrics—launch date, KPIs, budget cap—and shortlist agencies with matching case studies. After that, review Clutch client feedback for proof of the following:
- Transparent, agile workflows (e.g., weekly sprints, demo days)
- Strong communication skills and cultural fit
- Clear IP ownership terms and NDA policies
- Relevant tech-stack certifications (AWS Partner, Microsoft Gold, etc.)
Arrange technical interviews with lead developers, not just sales reps, before signing an agreement.
- Vague estimates or refusal to detail sprint deliverables
- No local references despite claiming London headquarters
- Overreliance on junior offshore teams without senior oversight
- Lack of cybersecurity or GDPR compliance processes
- “One-size-fits-all” proposals that ignore your business goals
A credible agency will proactively address these areas and tailor their approach to your needs. It’s better to be meticulous when selecting prospective partners than to be contracted with an unfit team.
Get personalized agency matches based on your project goals.