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.
Looking for a Web Design partner for your project? Check out our directory for Top Web Design Companies in London
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.
If what you need is a website, explore options in the list of Top Web Development Companies in London to find the right partner.
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1,157 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 custom software creation and full stack software development services. Reviews highlight their exceptional project management, innovative approach, and deep understanding of client needs, leading to successful outcomes and long-term partnerships. Their ability to integrate blockchain and AI technologies is frequently praised, with overwhelmingly positive feedback from clients. All reviewers expressed satisfaction, with no significant areas for improvement noted.
Reviews mention Exceptional performance
TechAlchemy has received exceptional feedback for their outstanding performance in custom web development. Clients praise their ability to transform complex visions into reality, noting their proactive suggestions and expertise. One client highlighted, 'They wow me with what they achieve,' while another stated, 'I can’t speak highly enough about TechAlchemy.' Their project management skills are also commended, with clients noting their adherence to schedules and budgets. Overall, the sentiment is overwhelmingly positive, reflecting high satisfaction with their services.-
Web Dev for Children’s Services Platform
5.0 Nov 4, 2021The portal is still a work in progress, but each time I meet with TechAlchemy, they wow me with what they achieve and how they’re evolving the project from the initial idea. They come forward with suggestions, covering things I haven’t even thought about nor knew were possible. I am amazed that they’ve managed to turn my vision into a reality considering the project is so niche and involves so much intricate detail.
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Industry Experience
Tech Alchemy has demonstrated expertise across various industries, including non-profit, financial services, arts, entertainment, and gaming. Clients praised their innovative solutions, particularly in AI applications for non-profits and blockchain integration in financial services. The sentiment is overwhelmingly positive, highlighting their strong project management, adaptability, and commitment to client success. Industries such as arts and entertainment, along with financial services, appear to benefit notably from Tech Alchemy's capabilities, making them a suitable partner for projects in these sectors.
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Non-profit Software Gaming Media Other Industry Government Healthcare IT Services Business services Consumer Products Financial services Sports Arts, entertainment & music Advertising & marketing Hospitality & leisureWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Tech Alchemy is frequently praised for its cost-effectiveness and value for money. Clients noted that their pricing fit within budgetary constraints while delivering high-quality outcomes. For instance, one client appreciated that Tech Alchemy's pricing was 'extremely competitive,' which contributed to their decision to partner with the firm. Another remarked on the company's ability to deliver exceptional results without exceeding the initial budget. Overall, the sentiment is overwhelmingly positive, with many clients highlighting the company's commitment to providing value throughout the project lifecycle.Was this helpful?
10 of 10 London-based reviews are 5 stars$10,000 – $49,000 avg. project cost for Custom Software Development services in LondonRead Similar ReviewsLondon-based Custom Software Development project highlight
AI Mentoring Companion Development & Design for Charity Org
5.0 — Tech Alchemy has developed and designed an AI mentoring companion for a charity organization. The team has built the product's core components and functionality, making it AI-informed and Read moreWas 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 86 projectsSimform is a full stack software development company renowned for bespoke software development, custom software creation, and end-to-end software engineering. With approximately 90% positive feedback, clients commend Simform for its technical expertise, proactive communication, and seamless project management. Reviewers consistently highlight the company's ability to integrate with client teams and its commitment to long-term, sustainable solutions.
Reviews mention Great team
Clients consistently commend Simform for their exceptional teamwork and professionalism. Feedback highlights their effective communication and responsiveness, with one client noting the team's ability to understand complex project requirements deeply. Another client praised the collaborative environment fostered by dedicated frontend, backend, and QA resources. Overall, sentiment towards Simform's team is overwhelmingly positive, with clients expressing satisfaction with the quality of work, commitment to long-term solutions, and a strong alignment with their operational goals.-
Staff Augmentation for Government-Focused Solutions Company
5.0 Sep 30, 2022Simform’s strength is that they have a very large and highly talented team, so they can offer a variety of different skill sets and increase capacity as needed. Moreover, the professionalism of their overall administrative processes for time tracking, billing, account management, and customer success management have helped us create a positive and fruitful partnership.
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Web App Dev Resources for E-Commerce Booking Software Co.
5.0 Aug 31, 2022The quality of Simform’s team is outstanding. The specialists on their team really understand that they’re not just working on an outsourced project — they’re an extension of our core team. It has never felt like we’re working with an agency; it feels like we’re working with our own team.
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Backend Dev & Cloud Engineering for AI SaaS Company
5.0 May 9, 2025Thanks to the strong support from Simform’s customer success team and the dedication of the engineers provided, the collaboration remained smooth and required minimal oversight from our end. What stood out most about Simform was the dedication of certain team members who consistently went above and beyond their core responsibilities, showing a strong commitment to the success of our product and company. Their professionalism was evident throughout the engagement, and the technical skill level—particularly in cloud engineering and backend development—was impressive.
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Mobile App Development for Personal Training Company
5.0 Aug 21, 2025I had Himanshu Upadhyay as my project manager. He did an excellent job on the project. Very responsive, even from 1/2 a world away. Great communication, always seeking clarity between my desires and what the programmers were working on. I now have to have him on future projects. I had Kewal Sanghadia as my success manager. He did a great job checking in with me along the way and making sure I was heard through the process. They were a great team!
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Custom Software Development for Education Company
5.0 Jun 8, 2026We also appreciated the depth of their team. Having dedicated frontend, backend, QA, and project management resources created a collaborative environment where issues could be addressed from multiple perspectives. Their team asked thoughtful questions, communicated clearly, and remained engaged throughout the process.
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3 of 3 reviews are 5 stars2 new reviews for Custom Software Development services$50,000 – $199,999 avg. project costRead 3 Recent ReviewsReviewed 3 times in the past 6 months
In recent reviews, clients praised Simform for their professionalism, responsiveness, and commitment to long-term solutions. One client noted their 'strong communication practices' and timely delivery within budget, while another highlighted the team's proactive approach to understanding project needs. A CTO commended Simform's expertise in software development, emphasizing their ability to manage complex tasks independently. Overall, the sentiment is highly positive, though there are suggestions for improved end-user documentation.Was this helpful?
Industry Experience
Simform has garnered positive feedback across various industries, showcasing expertise in Education, Hospitality, Information Technology, and Financial Services. Reviews emphasize their strengths in project management, timely delivery, and responsiveness, leading to successful outcomes. Clients appreciate their ability to align with organizational needs, enhance user experiences, and develop scalable solutions. Overall, Simform is well-suited for clients in sectors prioritizing technical development, user-centric designs, and strategic collaboration.
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Utilities eCommerce Logistics & Supply Chain Wellness & Fitness Agriculture Media Consulting Human Resources Other industries Construction Legal Gaming Food & Beverages Other Industry Consumer Products Software Business services Arts, entertainment & music Education Real estate Nonprofit Financial services Fitness Information technology Hospitality & leisure Advertising & marketing IT Services HealthcareWas this helpful?
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
Custom Software Development for Education Company
5.0 — Simform is modernizing and rebuilding an online registration and signup platform for an education company. The team is improving the platform's reliability, maintainability, and scalability. Read moreWas this helpful?
$25,000+$25 - $49 / hr50 - 249Serves London, EnglandServices provided
20% Custom Software Development20% AI Development20% Web Development +4 services10% AI Agents10% Cloud Consulting & SI10% Generative AI10% Mobile App DevelopmentSee all 59 projectsLeobit is a Custom Software Creation company specializing in Full Stack Software Development and Managed Software Development. The reviews are overwhelmingly positive, highlighting Leobit's technical expertise, proactive communication, and adherence to deadlines. Approximately 100% of reviewers praise their project management and technical capabilities, emphasizing their role as a strategic partner in bespoke software development solutions.
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Leobit has consistently been praised for providing strong value for money across various projects. Clients noted that their pricing structures fit within budget constraints, with feedback highlighting 'good value for cost' and 'great culture fit.' One client stated that they achieved 'rapid development at significantly lower costs than using on-shore resources.' Overall, sentiments reflect a positive impression of Leobit's cost-effectiveness, with many clients expressing satisfaction with the quality of work relative to the investment made.Was this helpful?
More responsive than most other service providers
Get in TouchLeobit 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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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+$50 - $99 / hr50 - 249London, EnglandServices provided
20% Custom Software Development40% AI Development20% Mobile App Development +1 service20% Web DevelopmentSee all 22 projectsOld.St Labs is a bespoke software development company specializing in tailored software solutions across various industries. Reviews highlight their exceptional project management, with 100% of clients noting their responsiveness and professionalism. Clients appreciate Old.St Labs' ability to align with company values and deliver projects on time and within budget. Their expertise and adaptability make them a trusted partner in custom software creation, consistently meeting and exceeding client expectations.
Reviews mention Communicative
Old.St Labs is consistently praised for their communicative approach, with clients noting exceptional communication and responsiveness throughout projects. Feedback highlights their commitment to understanding client needs, providing regular updates, and fostering a collaborative environment. For instance, one client emphasized the team's personable and professional communication style, while another appreciated their ability to make complex systems understandable. Overall, sentiment regarding their communication is overwhelmingly positive, reinforcing their reputation as a reliable partner.-
Web Redesign for Litigation Funder
5.0 Oct 21, 2022OldSt.Labs were very efficient communicators and turned around work ideas and queries very quickly. They used collaboration tools very efficiently - such as Figma, ClickUp, and Webflow, so that we could communicate areas that needed to be changed and provided direct access for us to do our own drafting of text directly into the design platforms.
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Web Development for Nonprofit Organization
5.0 Jun 17, 2022The project management was very professional, with regular, clear communication. The development work was fantastic and the communication was clear and professional.
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Website Development for Branding Agency
5.0 Jun 6, 2022We found the communication of the team to be excellent, and they provided us regular progress updates. We communicated with the team over WhatsApp which was a really efficient way to fire fast questions.
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Mobile App Prototype for Classical Musician Platform
5.0 Oct 7, 2021The team members were easy to communicate and very responsive, they also provided us with frequent updates. We had Google Meets meetings that worked out very well.
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Website Redesign & Custom Dev for Water Jetting Units Co
5.0 Jul 4, 2025Yes, they were excellent with communication and providing regular updates regarding our timeline. They delivered on time and took care of all of our needs. Their team was great at communicating with us through emails, virtual meetings, and shared google docs. Even though we were working on different continents (our company is a US based company), we knew Old St was right there with us throughout the project.
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1 of 1 reviews is 5 stars1 new review for Custom Software Development services$10,000 – $49,000 avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
In the past six months, Old.St Labs has received positive feedback for their software development capabilities, particularly in building a wealthtech platform. Clients highlighted the team's professionalism, exceptional attention to detail, and deep understanding of project requirements. One reviewer noted their impressive ability to deliver a high-quality product without any areas for improvement. Overall, the sentiment reflects satisfaction with the value and expertise provided by Old.St Labs.Was this helpful?
More responsive than most other service providers
Get in TouchOld.St Labs 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
5.0
Willing to Refer
5.0
Reviewers in London emphasize Old.St Labs' adaptability and professionalism in handling intricate projects like event platforms, health apps, and industry databases. They value the team's proactive communication, creative problem-solving, and consistent delivery of impactful, scalable solutions.Read Local ReviewsWas this helpful?
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UndisclosedUndisclosed10 - 49Long Crendon, England
Services provided
10% Custom Software Development30% Engineering10% DevOps Managed Services +5 services10% Digital Engineering10% IoT Development10% Manufacturing Consulting10% Product Design10% Robotics Process AutomationEngineering company Hooper Quinn is based in Long Crendon, England. They focus on Engineering and Product Design.
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UndisclosedUndisclosed2 - 9Bletchley, England
Services provided
20% Custom Software Development30% Mobile App Development25% Web Design +1 service25% Web Development4fx Design and Multimedia is an application development firm. The Bletchley, England-based company was founded in 2000. Their services include Mobile App Development and Web Design.
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Featured
What are Featured Providers?
$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 5 projectsAttrecto Next Tech Digital Solutions specializes in custom software development, showcasing expertise in bespoke software creation and full-stack software development. The company consistently receives positive feedback, with clients praising their structured project management, technical expertise, and collaborative approach. Impressively, 100% of reviews highlight their effective communication and willingness to integrate client needs, demonstrating their commitment to delivering tailored software solutions.
1 of 1 reviews is 5 stars1 new review for Custom Software Development services$10,000 – $49,000 avg. project costRead 1 Recent ReviewReviewed 1 time in the past 6 months
In the past six months, client feedback for Attrecto Next Tech Digital Solutions has been overwhelmingly positive. One client highlighted their 'top-notch structured, agile, and highly collaborative' project management, noting seamless integration of UX/UI components into complex AI projects. The collaboration fostered a strong partnership, with clients appreciating Attrecto's responsiveness and technical expertise. Overall, clients reported high satisfaction with delivery efficiency and product alignment, indicating Attrecto's capability to meet and exceed project goals.Was this helpful?
2 of 2 Custom Software Development reviews are 5 stars1 new review for Custom Software Development in past 6 months$10,000 – $49,000 avg. project costRead 2 ReviewsCustom 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?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Attrecto Next Tech Digital Solutions is noted for providing excellent value for money, with clients praising their flexibility and responsiveness. One client highlighted the affordability of their services compared to American firms, stating that the total investment for a project was approximately $128,000. Another client emphasized the high-quality output and satisfaction of stakeholders, with project costs ranging from $50,000 to $2,000,000. Overall, clients express strong satisfaction with the cost relative to the quality and impact of the services provided.Was this helpful?
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$25,000+$25 - $49 / hr250 - 999Serves London, EnglandServices provided
25% Custom Software Development25% IT Managed Services20% AI Development +5 services10% Web Development5% AI Agents5% AI Consulting5% Generative AI5% Mobile App DevelopmentSee all 74 projectsDreamzTech Solutions is a bespoke software development company renowned for its comprehensive range of services, from tailored software creation to end-to-end development solutions. The company consistently receives high praise for its project management efficiency, responsiveness, and ability to translate complex requirements into functional solutions, with over 90% of clients expressing satisfaction. Their impressive alignment with client goals and technical expertise are recurrent themes in reviews, highlighting their client-centric approach.
Reviews mention Exceptional performance
DreamzTech Solutions has received exceptional feedback for their performance, with clients highlighting their rapid response and project management capabilities. One client from IEST Ltd. praised their phenomenal project management, stating, "I rate their project management higher than what the highest rating would be," and commended their 24/7 availability. Another client noted, "Without their work, I would have no business," emphasizing their technical strength and innovative solutions. Overall, clients express high satisfaction, with no suggested areas for improvement.-
Mobile App Development for Hospitality Tech Startup
5.0 Oct 14, 2020I rate their project management higher than what the highest rating would be. It’s been phenomenal — the key to the project. The communication has been great, and they work in our time zone, which is nice. Anything that’s been required, they’re available 24/7. If I request a change, it’s done pretty much on the spot.
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Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
DreamzTech Solutions is frequently commended for providing excellent value for money, with several clients noting that their pricing fits within budget while delivering high-quality results. For instance, one client highlighted that DreamzTech's pricing aligned perfectly with their financial expectations, stating they received 'good value for cost.' Overall, clients express satisfaction with the balance of cost and quality, often indicating that the services exceeded their initial expectations.Was this helpful?
$9,000 Early startups and teams exploring AI products $15,000 Startups, saas agencies replacing costly dev teams $26,000 Enterprise teams needing complete dev squadsView PackagesDreamzTech AI Squad
Hire a dedicated team of 2–5 AI engineers with US-based project management, daily standups, and full transparency — starting at $25/hr. We cover LLM integration, intelligent automation, computer vision, and AI-powered app development. Get your AI Squad running in days, not months.Was this helpful?
1 of 1 London-based review is 5 stars$50,000 – $199,999 avg. project cost for Custom Software Development services in LondonRead Similar ReviewsCustom Software Development project highlight
Property Management Platform Development for Real Estate Co
5.0 — DreamzTech Solutions developed a smart property management platform for a real estate company. The solution automated maintenance workflows, enhanced tenant communication, and offered real-time Read moreWas this helpful?
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$25,000+$100 - $149 / hr2 - 9Brighton and Hove, England
Services provided
10% Custom Software Development10% API Development10% AR/VR Development +10 services10% Graphic Design10% Mobile App Development10% UX/UI Design10% Web Development5% AI Agents5% AI Consulting5% AI Development5% Blockchain5% Generative AI5% Low/No Code DevelopmentUnusual Technologies is an AR/VR development company. Established in 2018, the team specializes in AR/VR development and UX/UI Design. The company is located in Brighton and Hove, England.
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$25,000+$50 - $99 / hr10 - 49Broughton, England
Services provided
20% Custom Software Development20% IT Managed Services20% Mobile App Development +2 services20% UX/UI Design20% Web DevelopmentMaJic Solutions Limited is an user experience company headquartered in Broughton, England. They specialize in UX/UI Design and IT managed services and were launched in 2000.
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$10,000+$25 - $49 / hr50 - 249Brighton, England
Services provided
30% Custom Software Development15% Mobile App Development15% Web Development +6 services10% AR/VR Development10% Low/No Code Development5% AI Development5% Application Testing5% Enterprise App Modernization5% Other Application DevelopmentSee all 1 projectsHodfords offers bespoke software development, tailored software solutions, and custom app development services. Their reviews highlight a strong track record for delivering complex enterprise projects with timely and responsive communication. Clients appreciate their problem-solving approach and seamless integration into existing business strategies, showcasing their capability in handling diverse requirements and delivering effective results.
See All Locations (3)Brighton, England
63 Havelock Road
Brighton, England BN1 6GL2 - 5
447790005642
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$5,000+$50 - $99 / hr10 - 49Bedford, England
Services provided
40% Custom Software Development30% Web Development20% Enterprise App Modernization +1 service10% Other Application DevelopmentLaunched in 2008, Anterec Ltd is a software development firm. The firm specializes in Custom Software Development and Web Development, and is small.
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$25,000+$100 - $149 / hr2 - 9Bordon, England
Services provided
10% Custom Software Development20% Business Consulting10% API Development +6 services10% E-Commerce Development10% Enterprise App Modernization10% Graphic Design10% UX/UI Design10% Web Design10% Web DevelopmentPivale is a Business Consulting company. The Bordon, England-based agency was founded in 2008. Their team specializes in Business Consulting and Web Design.
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$10,000+$50 - $99 / hr10 - 49Milton Keynes, England
Services provided
10% Custom Software Development20% IT Strategy Consulting20% Mobile App Development +4 services20% Web Development10% AR/VR Development10% Low/No Code Development10% UX/UI DesignFounded in 2009, PODTECH is a small Milton Keynes, England-based IT strategy consulting company. Their team offers IT strategy consulting and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9Broughton, England
Services provided
40% Custom Software Development25% Web Development15% Mobile App Development +2 services10% API Development10% UX/UI DesignCustom software development firm Sycom Delta Limited was launched in 2012. The small team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Reading, England
Services provided
20% Custom Software Development20% Content Marketing20% Pay Per Click +2 services20% Search Engine Optimization20% Web DesignContent Marketing company Sharp Ahead was launched in 2014. The team offers Content Marketing and Search Engine Optimization and is in Reading, England and Manchester, England.
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$1,000+$50 - $99 / hr50 - 249Milton Keynes, England
Services provided
10% Custom Software Development70% BI & Big Data Consulting & SI10% Cloud Consulting & SI +1 service10% IT Managed ServicesUXLI, a data analytics company, is based in Milton Keynes, England and Madhapur, India. Established in 2015, the team specializes in BI & big data consulting & SI and cloud consulting & SI.
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$5,000+$25 - $49 / hr2 - 9Bletchley, England
Services provided
20% Custom Software Development20% Blockchain20% IT Strategy Consulting +4 services10% AI Development10% Application Management & Support10% Mobile App Development10% Web DevelopmentLocated in Bletchley, England, TECHMELON is a small IT strategy consulting company. The team focuses on IT strategy consulting and Custom Software Development.
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$5,000+$50 - $99 / hr10 - 49Cambridge, England
Services provided
20% Custom Software Development25% AI Development20% AI Consulting +3 services15% Application Management & Support10% Generative AI10% Web DevelopmentSee all 2 projectsJournai is a bespoke software development company specializing in custom software creation and end-to-end software development. Their reviews highlight a 90% positive feedback rate, particularly noting their ability to deeply understand client needs and deliver tailored solutions. Key themes include their project management excellence and seamless communication, with notable outcomes such as a 40% increase in practice consistency and a 60% reduction in administrative time.
2 of 2 Custom Software Development reviews are 5 stars$10,000 – $49,000 avg. project costRead 2 ReviewsCustom Software Development PROJECT HIGHLIGHT
AI-Based Parking Solution Dev for Motorbike Parking Company
5.0 — Journai developed an AI-based parking solution for a motorbike parking company. The team built a custom computer vision engine and the backend logic, integrated the payment gateway, and developed a Read moreWas this helpful?
Industry Experience
Journai demonstrates strong expertise across multiple industries, particularly in Arts, Entertainment & Music, and AI Autonomous Parking Solutions. In the music sector, they excelled in enhancing student engagement through a custom mobile app, achieving an 85% engagement rate and a 40% increase in practice consistency. In the parking industry, they improved operational efficiency, tripling throughput and boosting revenue by 15%. Overall, client sentiment is highly positive, highlighting Journai's technical proficiency, adaptability, and commitment to client needs across diverse projects.
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Other industries Arts, entertainment & musicWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients consistently highlight Journai's competitive pricing and strong value for money. One client noted that their decision to choose Journai was influenced by their budget-friendly pricing and alignment with company values. Another client emphasized that the solution provided not only addressed their needs but also delivered immediate financial returns, effectively justifying the investment. Overall, feedback indicates a high level of satisfaction with the cost-to-value ratio of Journai's services.Was this helpful?
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$10,000+$50 - $99 / hr2 - 9Milton Keynes, England
Services provided
20% Custom Software Development20% Mobile App Development20% UX/UI Design +3 services20% Web Development10% E-Commerce Development10% Web DesignMethod & Class Ltd, an UX company, was founded in 2007. Based in Milton Keynes, England, the team offers UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed10 - 49Brighton, England
Services provided
60% Custom Software Development30% Mobile App Development10% Web DesignEnCircle Solutions is a software development firm. Based in Brighton, England, the company was founded in 2004. Their team specializes in Custom Software Development and Mobile App Development.
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$1,000+$50 - $99 / hr2 - 9Bedford, England
Services provided
20% Custom Software Development20% Cloud Consulting & SI20% Cybersecurity +2 services20% IT Managed Services20% IT Strategy ConsultingIT strategy consulting company PublicTec was established in 2021. The company provides IT strategy consulting and cloud consulting & SI, and is small.
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$1,000+$100 - $149 / hr2 - 9Bedford, England
Services provided
35% Custom Software Development35% Marketing Strategy15% AI Agents +1 service15% AI DevelopmentMarketing Strategy company PQ Impact is in Bedford, England. Launched in 2024, the team focuses on Marketing Strategy and Custom Software Development.
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$25,000+$150 - $199 / hr2 - 9Milton Keynes, England
Services provided
25% Custom Software Development25% Enterprise App Modernization25% IT Managed Services +1 service25% Other IT Consulting and SINugon is a small software development company. They focus on Custom Software Development and Enterprise App Modernization and were launched in 2020.
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$5,000+$25 - $49 / hr10 - 49Worthing, England
Services provided
50% Custom Software Development20% Mobile App Development10% E-Commerce Development +2 services10% IT Managed Services10% Web DevelopmentStrides Empower Ltd is a custom software development company founded in 2018. The agency provides Custom Software Development and Mobile App Development.
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$1,000+$50 - $99 / hrFreelancerBedford, England
Services provided
25% Custom Software Development50% Mobile App Development25% Web DevelopmentLCTech Solutions is a small mobile application development firm established in 2026. Their team offers Mobile App Development and Custom Software Development.
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$5,000+$100 - $149 / hr2 - 9Brighton and Hove, England
Services provided
20% Custom Software Development20% AI Development20% Mobile App Development +3 services20% Web Development10% Low/No Code Development10% Web DesignPixelhop is a small web design company in Newquay, England and Brighton and Hove, England. The team focuses on Web Design and Custom Software Development.
Read moreSee All Locations (2)Brighton and Hove, England
11 Highcroft Villas
Brighton and Hove, England BN1 5PS2 - 5
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$1,000+$50 - $99 / hrFreelancerBedford, England
Services provided
20% Custom Software Development15% AI Development15% API Development +4 services15% Mobile App Development15% Web Development10% E-Commerce Development10% Microservices Architecture ServicesFORGE is a software development firm established in 2014. Their services include Custom Software Development and Web Development.
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$25,000+$50 - $99 / hr2 - 9Cambridge, England
Services provided
30% Custom Software Development25% Mobile App Development25% Web Development +3 services10% Enterprise App Modernization5% Architectural Design5% Product DesignOrthogonality is a Cambridge, England-based software development firm. They offer Custom Software Development and Web Development.
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$10,000+$150 - $199 / hr10 - 49Brighton and Hove, England
Services provided
15% Custom Software Development25% E-Commerce Development25% Mobile App Development +3 services15% UX/UI Design10% Low/No Code Development10% Web DesignWeDoAllTech, an user experience design company, is in Brighton and Hove, England. They specialize in UX/UI Design and Custom Software Development and were founded in 2023.
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UndisclosedUndisclosed2 - 9Hadlow Down, England
Services provided
15% Custom Software Development15% Graphic Design15% Mobile App Development +4 services15% UX/UI Design15% Web Design15% Web Development10% AR/VR DevelopmentMunk studios is a web design company. Founded in 2015, the company is in Hadlow Down, England. Their team specializes in Web Design and UX/UI Design.
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$1,000+$25 - $49 / hr10 - 49Bedford, England
Services provided
10% Custom Software Development10% Branding10% E-Commerce Development +7 services10% Media Planning & Buying10% Search Engine Optimization10% Social Media Marketing10% UX/UI Design10% Video Marketing10% Web Design10% Web DevelopmentQzency Ltd, a branding agency, was established in 2024. The team offers Branding and Media Planning & Buying.
Read moreSee All Locations (2)Bedford, England
121 Ford End Road
Bedford, England MK40 4PR6 - 9
+44 0795 8676499
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$50,000+< $25 / hr50 - 249Stanway,Colchester, England
Services provided
25% Custom Software Development25% Web Development20% Application Management & Support +2 services20% Mobile App Development10% IT Staff AugmentationFounded in 1997, Kott Software is a custom software development firm. Their team provides Custom Software Development and Web Development.
Read moreSee All Locations (3)Stanway,Colchester, England
42, Tollgate Drive,
Stanway,Colchester, England CO3 0PF2 - 5
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$10,000+$150 - $199 / hr2 - 9Hove, England
Services provided
10% Custom Software Development10% AR/VR Development10% Application Management & Support +11 services10% Cloud Consulting & SI10% IT Strategy Consulting10% Mobile App Development10% Web Design5% AI Development5% BI & Big Data Consulting & SI5% IoT Development5% Other IT Consulting and SI5% Wearable App Development3% Web Development2% Enterprise App ModernizationDigital Tactics Ltd. Is a cloud consulting & SI company headquartered in Hove, England. They focus on cloud consulting & SI and IT strategy consulting and were established in 2011.
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UndisclosedUndisclosed2 - 9Haverhill, England
Services provided
10% Custom Software Development25% Print Design20% Contract Manufacturing +6 services10% Advertising10% Branding10% Logo5% Business Consulting5% Graphic Design5% Product DesignPrint design company Xceluk Print and Promotional is based in Haverhill, England. The team offers Print Design and Contract Manufacturing.
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$10,000+$100 - $149 / hr10 - 49Brighton, England
Services provided
25% Custom Software Development30% AR/VR Development25% Mobile App Development +1 service20% Graphic DesignWest Pier Studio is an AR/VR development company founded in 2011. Based in Brighton, England, the team offers AR/VR development and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9Worthing, England
Services provided
20% Custom Software Development20% API Development20% Mobile App Development +2 services20% UX/UI Design20% Web DevelopmentAppknowledged is a small Worthing, England-based user experience design company. Their services include UX/UI Design and Custom Software Development.
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$10,000+$25 - $49 / hr50 - 249Esher, England
Services provided
30% Custom Software Development30% IoT Development20% AI Development +1 service20% BI & Big Data Consulting & SISee all 1 projectsZone24x7 Inc. is a custom software development company, noted for delivering bespoke software solutions and full stack software development services. Clients, such as Macy's Systems and Technology, commend their expertise in device management and kiosk software development, with 100% of reviewers highlighting their effective project management and technical expertise. Their seamless integration with client teams and strong problem-solving skills are frequently praised.
1 of 1 Custom Software Development reviews are 5 stars$50,000 – $199,999 avg. project costRead 1 ReviewCustom Software Development PROJECT HIGHLIGHT
Device Management & Interaction Software Develop for Retail
5.0 — A tech firm for a tier-one retailer hired Zone 24x7 Inc. for device monitoring, management software development, and development of custom software for its price checker kiosks. They also carried Read moreWas this helpful?
Industry Experience
Zone24x7 Inc. has received positive feedback in the retail industry, particularly from a key player like Macy's. Their expertise in embedded and hardware engineering, alongside strong project management and QA processes, has significantly improved device uptime and customer experience. Clients appreciate their collaborative approach, viewing them as an extension of their teams. Overall, Zone24x7 is well-suited for retail projects requiring reliable software development and device management solutions.
Read All ReviewsSelect Industry to see insights
RetailWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients commend Zone24x7 for delivering high-quality services that justify their costs, highlighting significant improvements in device uptime and customer experience. One client noted the company's expertise in embedded and hardware engineering as a key advantage, suggesting that their pricing reflects the value provided. Overall, feedback indicates that while costs may be higher, the value for money is perceived as strong due to effective project management and technical capabilities.Was this helpful?
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UndisclosedUndisclosed10 - 49Duxford, England
Services provided
10% Custom Software Development25% Business Consulting25% Engineering +3 services15% IT Managed Services13% HR Consulting12% RecruitingA Society US is a Business Consulting company. They were founded in 2011 and specialize in Business Consulting and Engineering.
Read moreSee All Locations (6)Duxford, England
The Officers' Mess Business Centre, Suite WF26, Duxford
Duxford, England CB22 4QH1
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$10,000+$25 - $49 / hr250 - 999London, England
Services provided
40% Custom Software Development60% Web DevelopmentTeam In India is a Bethesda, Maryland-based website development company. They provide Web Development and Custom Software Development and were founded in 2002.
Read moreSee All Locations (5)London, England
Level39, One Canada Square, Canary Wharf
London, England E14 5AB+44 208 0901819
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$10,000+< $25 / hr2 - 9Greenford, England
Services provided
75% Custom Software Development25% Web DevelopmentLabdeck is a Greenford, England-based custom software development company. They offer Custom Software Development and Web Development and were established in 2006.
Read more -
$10,000+$100 - $149 / hr50 - 249Soho, England
Services provided
20% Custom Software Development20% Digital Strategy15% AI Consulting +5 services10% Branding10% Low/No Code Development10% Pay Per Click10% Web Design5% Social Media MarketingMCD Partners is a Digital Strategy company. Located in New York, New York and Chicago, Illinois, their team provides Digital Strategy and Custom Software Development.
Read moreSee All Locations (4)Soho, England
36 Golden Square
Soho, England W1F 9JX207.544.3700
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UndisclosedUndisclosed250 - 999Chalfont Saint Peter, England
Services provided
20% Custom Software Development30% Mobile App Development10% ERP Consulting and SI +8 services5% Application Management & Support5% CRM Consulting and SI5% ECM Consulting and SI5% Other IT Consulting and SI5% UX/UI Design5% Unified Communications Consulting & SI5% Web Design5% Web DevelopmentSwayam Group is an application development company headquartered in Chalfont Saint Peter, England. They focus on Mobile App Development and Custom Software Development and were founded in 2002.
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Undisclosed$100 - $149 / hr250 - 999London, England
Services provided
20% Custom Software Development50% CRM Consulting and SI30% Enterprise App ModernizationWestbrook International is a CRM consulting and SI company founded in 1992. The midsize team provides CRM consulting and SI and Enterprise App Modernization.
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Undisclosed$50 - $99 / hr10 - 49London, England
Services provided
30% Custom Software Development20% Mobile App Development20% Web Development +3 services10% E-Commerce Development10% Enterprise App Modernization10% Other IT Consulting and SICan Factory is a software development firm. In London, England, their team provides Custom Software Development and Mobile App Development.
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$10,000+$25 - $49 / hr10 - 49London, England
Services provided
30% Custom Software Development15% Mobile App Development15% Web Development +5 services10% Application Management & Support10% Application Testing10% E-Commerce Development5% AR/VR Development5% BlockchainArchnix Pvt Ltd is a software development firm launched in 2020. Based in London, England and Colombo, Sri Lanka, the team provides Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249London, England
Services provided
10% Custom Software Development35% Generative AI15% Enterprise App Modernization +5 services10% BI & Big Data Consulting & SI10% Low/No Code Development10% Web Design5% AI Development5% Microservices Architecture ServicesSquirro is a midsize Generative AI company. Founded in 2012, the team offers Generative AI and BI & big data consulting & SI.
Read moreSee All Locations (5)London, England
145 City Rd Hoxton
London, England EC1V 1AW+44 333 939 9973
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UndisclosedUndisclosed50 - 249London, England
Services provided
20% Custom Software Development20% AR/VR Development20% Application Management & Support +2 services20% Enterprise App Modernization20% Web DevelopmentSiliconMint is a San Francisco, California-based software development firm. Launched in 2012, the team focuses on Custom Software Development and Web Development.
Read moreSee All Locations (4)London, England
38 Chancery Lane, #02-103
London, England WC2A 1EN44 20 8638 5062
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Undisclosed$50 - $99 / hr2 - 9London, England
Services provided
20% Custom Software Development20% CRM Consulting and SI20% ERP Consulting and SI +2 services20% Mobile App Development20% Other IT Consulting and SIVeriPark, a CRM consulting and SI company, is in London, England and Istanbul, Türkiye. They focus on CRM consulting and SI and ERP consulting and SI and were founded in 2011.
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UndisclosedUndisclosed10 - 49London, England
Services provided
50% Custom Software Development50% Mobile App DevelopmentClock Software, a software development company and mobile application development company, was founded in 1996. They provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49London, England
Services provided
10% Custom Software Development80% Application Testing10% Web Development360logica Software Testing Services is a Noida, India-based Application Testing company. The team provides Application Testing and Custom Software Development.
Read moreSee All Locations (5)London, England
Suite 560 No 28 Old Brompton Rd., Kensington
London, England SW7 3SS+44 800 098
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Undisclosed$150 - $199 / hr10 - 49London, England
Services provided
10% Custom Software Development25% Web Design20% Web Development +3 services15% E-Commerce Development15% Mobile App Development15% Social Media MarketingWeb design agency Digital Broadcasters is located in London, England. They provide Web Design and Web Development.
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$1,000+$25 - $49 / hrFreelancerLondon, England
Services provided
10% Custom Software Development10% AI Development10% Mobile App Development +12 services10% UX/UI Design10% Web Development5% AI Agents5% AI Consulting5% API Development5% BI & Big Data Consulting & SI5% DevOps Managed Services5% Digital Strategy5% E-Commerce Development5% IT Strategy Consulting5% IoT Development5% Wearable App DevelopmentLaunched in 2004, e-Stonia, a small website development firm, is headquartered in London, England. Their team provides Web Development and Mobile App Development.
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UndisclosedUndisclosed50 - 249London, England
Services provided
25% Custom Software Development50% Mobile App Development25% UX/UI DesignImpossible is a mobile app development company. They are headquartered in Lisboa, Portugal and London, England, and their services include Mobile App Development and UX/UI Design.
Read moreSee All Locations (3)London, England
Gridiron, One Pancras Square
London, England N1C 4AGWas this helpful?
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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.
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UndisclosedUndisclosed50 - 249London , England
Services provided
20% Custom Software Development20% Cloud Consulting & SI20% IT Managed Services +2 services20% IT Strategy Consulting20% Mobile App DevelopmentGoVirtual Limited is a midsize custom software development firm located in Jersey City, New Jersey and London , England. Their services include Custom Software Development and cloud consulting & SI.
Read moreSee All Locations (2)London , England
31 Lamb Street, Suite 11 Dandridge House
London , England E1 6ED+44.020.7993.4969
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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
35% Custom Software Development65% 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
39.1/40.019.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
25% Custom Software Development75% Other -
$10,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
38.3/40.018.8/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
45% Custom Software Development55% Other -
$10,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
38.2/40.018.6/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
$50,000+$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 -
$1,000+< $25 / hr50 - 249Hertfordshire, England
Ability to deliver
39.1/40.019.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
35% Custom Software Development65% Other -
$50,000+$150 - $199 / hr250 - 999London, England
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Custom Software Development80% 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
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
15% Custom Software Development85% 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
50% Custom Software Development50% 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
30% Custom Software Development70% Other -
$25,000+$50 - $99 / hr50 - 249London, England
Ability to deliver
37.3/40.017.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
50% Custom Software Development50% 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
40% Custom Software Development60% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
36.7/40.017/20 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
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Custom Software Development70% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
36.6/40.018/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
40% Custom Software Development60% Other -
$25,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
45% Custom Software Development55% 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 -
$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 -
$25,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
37.2/40.017.4/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Custom Software Development85% Other -
$50,000+$25 - $49 / hr250 - 999London, England
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Custom Software Development80% Other -
$10,000+$100 - $149 / hr10 - 49London, England
Ability to deliver
36.5/40.017/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
40% Custom Software Development60% Other -
$10,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
34.9/40.015.8/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
40% Custom Software Development60% Other -
$5,000+$50 - $99 / hr10 - 49London, England
Ability to deliver
37.9/40.020/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Custom Software Development70% Other -
$25,000+$25 - $49 / hr50 - 249London, England
Ability to deliver
36.8/40.017/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Custom Software Development70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
34.8/40.015.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
40% Custom Software Development60% Other -
$75,000+$50 - $99 / hr1,000 - 9,999London, England
Ability to deliver
34.7/40.015.6/20 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
35.1/40.015.6/20 Reviews9.7/10 Clients & Experience9.8/10 Market PresenceService focus
25% Custom Software Development75% Other -
$1,000+$25 - $49 / hr1,000 - 9,999London, England
Ability to deliver
38.6/40.019.2/20 Reviews9.6/10 Clients & Experience9.8/10 Market PresenceService focus
10% Custom Software Development90% 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 matched with the 5 best-fit agencies for your project—in 4 minutes or less.