Leaf through the premier custom software development companies in London that customize, maintain and/or build high-quality solutions, mobile applications and more. Filter listings by reviews, pricing, team size to find the ideal team for your project requirements and budget.
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Best London Software Development Firm Rankings
All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.
Creative Engineering.
We are an agency that harmoniously merges the boundless realms of artistic creativity with the precision and efficacy of engineering. This union of creative ingenuity and technical expertise forms the cornerstone of our approach, allowing us to deliver innovative solutions that seamlessly blend form and [... see all Epigra reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Software Development and Consulting Company
Timspark is an innovative software development company that endeavors to deliver the highest quality work to clients who look to address their challenges with custom technology. Our one-of-a-kind business model fuels and cultivates fully-fledged independent development teams and motivates each engineer to [... see all Timspark reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 35 Projects Listed
Your Vision. Our Innovation
Dev Technosys is an ISO9001:2015-certified software development company founded in 2010, offering comprehensive IT solutions including custom web and mobile development, IoT, ERP/CRM, on-demand apps, and e-commerce platforms. The firm delivers tailored engineering services to clients in over 70 countries [... see all Dev Technosys reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 16 Projects Listed
Digital Transformation: Empowering Your Future
Digital Transformation: Empowering Your FutureZiffity is an eCommerce agency that helps B2C and B2B brands build, transform, grow, and innovate their online presence by providing best-in-class digital solutions. [... see all Ziffity reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 20 Projects Listed
The power of together
Pwrteams builds and operates tech and engineering teams for companies of all sizes. We specialize in attracting and retaining skilled experts from Central and Eastern Europe, including Poland, Bulgaria, and Ukraine. [... see all Pwrteams reviews ]- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Transforming Businesses Through Digitally
MMC Global is a platform that offers all types of software development based on your specifications and needs. It is also known as a best react native app development Company. [... see all MMC Global reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Innovate. Collaborate. Build
GeekyAnts is a global technology consulting and product development company specializing in digital transformation, custom software solutions, and end-to-end app development. With 15+ years of experience, weve served 550+ clients like Google, SKF, WeWork, and ICICI, delivering 800+ projects. [... see all GeekyAnts reviews ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 36 Projects Listed
UK's #1 Mobile App Development Company
Stakk is the UK's #1 rated mobile app development company. Based in London with over 10 years of experience and a 100% senior in-house team. Specialists in iOS, Android, React Native and Flutter. 120+ apps delivered for startups and global enterprises, including Samsung, LNER and the British Museum. [... see all Stakk reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 6 Projects Listed
Your go-to eCommerce experts
Since 2003, scandiweb has helped global brands and startups grow through Magento development, mobile solutions, and practical AI for eCommerce. Clients include Jaguar, Land Rover, Peugeot, The New York Times, and 700+ businesses in 35 countries. [... see all Scandiweb reviews ]- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 16 Projects Listed
Accelerating your business forward!
Scalefocus offers a comprehensive range of data mining and digital engineering services, catering to various industries such as Healthcare, Fintech, Insurance, Energy & Utilities, Logistics, E-Commerce & Retail, and more. [... view Scalefocus profile ]- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $60/hr
- Portfolios Count
- 31 Projects Listed
Anything is possible!
FuturByte is a custom software and app development company that builds high-performance digital solutions. We develop apps, websites, and web apps designed to solve real business challenges. [... see all FuturByte reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 10 Projects Listed
Turning Software Ideas Into Reality
Itransition specializes in assisting startups and medium to large scale businesses with their software solution needs. Our range of services encompasses the entire development lifecycle, from initial business process inquiry and modeling to comprehensive systems engineering. [... see all Itransition reviews ]- Location
- London, United Kingdom
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 8 Projects Listed
Top Software, Web & App Development Company in UK
Vrinsoft is a leading Mobile & Web Development Company in London, UK, driving digital transformation for businesses of all sizes, from SMEs to large enterprises in industries like finance, logistics, healthcare, and e-commerce. We have demonstrated a history of success transforming ideas into action [... see all Vrinsoft UK reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 10 Projects Listed
Developing software for Tech and FinTech
RNDpoint is a global software solutions provider specializing in FinTech software development, AI, and software development productivity. [... view RNDpoint profile ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 10 Projects Listed
We Deliver #DigitalSuccess
At INT, The agency support your ideas and use its broad expertise to make them a reality. Our consultation process is motivated by analytics. We use technology to our advantage to create cutting-edge, client-focused solutions for your success. [... see all Indus Net Technologies reviews ]- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 19 Projects Listed
.NET, AI and Web Software Development
Leobit is a full-cycle .NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and the UK.Tech focus: .NET, Angular, iOS, Android, Ruby, React, PHP, and a range of technologies from Microsoft, Web, and Mobile Stacks. [... view Leobit profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 26 Projects Listed
Mobile & Web Software Dev Team
Kernelics is a boutique web and mobile software development firmfor startups and tech companies. [... see all Kernelics reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 18 Projects Listed
- Smartym Pro is a full-cycle development company specialized in mobile application and enterprise web development. Company has strong development culture and focuses on innovative solutions, using cutting edge technologies and frameworks. Smartym Pro is located in Eastern Europe and consists primarily of [... see all Smartym Pro reviews ]
- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
Next.js, Expo & Headless CMS Development Agency
We help growing companies modernize and scale their web platforms.Our focus is building high-performance, SEO-ready, and content-scalable systems using modern web architecture. [... see all Pagepro reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 20 Projects Listed
Scale With Tech Outsourcing & Offshore Development
epicX is the tech outsourcing partner for startups, matching you with top 5% remote developers in 48 hoursfast, vetted, and built for scale. [... see all EpicX reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Building Trust, Scaling Success: Your DevOps Journey Starts Here
We know for sure that the process of scaling is always a challenge, therefore we are always in touch with our clients: since the moment of infrastructure audit, during critical loads and to the successful launch of the project. We are fully responsible for the quality of our work [... see all Quema reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Enterprise Grade App & Web Development Services
At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future [... see all RichestSoft reviews ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Delivering the Future Tech
Take your software services and products to the next level with our best user experience solutions for your customers. [... see all ByteQuest Softwares Pvt Ltd reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 28 Projects Listed
Transforming your business into a digital success story.
You collaborate with certified developers who stay aligned with the latest technologies and industry standards. We provide flexible and cost-efficient services, full transparency, and engineering excellence across modern web, mobile, cloud, AI, and ERP solutions. [... see all Redbee Software reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
We provide teams of developers for implementation of your idea
Mifort is a full-cycle software development company bringing wise digital innovations to clients across the globe. [... see all MIfort reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
We integrate, innovate, and elevate enterprise systems.
Intellectsoft, with 13 years of expertise, champions modernizing systems and enhancing app portfolios. Through our systematic development lifecycle, from planning to maintenance, we offer reliable, modern solutions. [... see all Intellectsoft reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
We help business to scale!
AI & Software Development Agency. We deliver solutions across FinTech, HR & Recruitment, SportsTech, Healthcare, eLearning and others. [... see all Uinno reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Portfolios Count
- 13 Projects Listed
Custom Product & Software Development Focused On Your Success
Altar.io is dedicated to building user-focused digital solutions with a co-founder mindset. Our unparalleled skills in software creation ensure rapid, lean development and transparent collaboration. We deliver precise, market-ready products that empower clients to innovate and succeed. [... see all Altar.io reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Your CRM Success Partners
A leading Salesforce Consulting Company with more than 2000+ projects delivered and a Salesforce Crest & MSP partner, HIC Global Solutions specializes in end-to-end Salesforce consulting and cloud-based custom solutions for growing businesses. [... see all HIC Global Solutions reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Building Ideas, Launching Product
HestaBit is a globally recognized web and app development company. Our focus is on building market-intelligent tech solutions for both startups and enterprises. We've helped 500+ projects. Our client base is robust and includes Bill and Melinda Gates Foundation and Grey Group, Singapore. [... see all HestaBit Limited reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $29/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Professional Software Engineering
With more than 12 years of experience, COMPU-VISION provides you with a team of experts in each field of information technology, from website, mobile application UI/UX and development, software solutions, artificial intelligence to IT consultancy. [... view COMPU-VISION S.A.R.L. profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
- Since 2002 in the software development business. Companies from 27 industries choose us.
Since 2002 in the software development business. Companies from 27 industries choose us.
With over 20 years of industry experience, Gecko Dynamics is a trusted partner for startups and enterprises. Our team delivers end-to-end solutions using Java, Angular, Flutter, and AWS. From ideation to post-launch support, we're dedicated to driving progress for our clients across industries. [... see all Gecko Dynamics reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 11 Projects Listed
Building Next Now
As AWS Advanced Tier partners, Applify is a team of advisors, engineers, and designers dedicated to tackling complex business challenges with innovative technology solutions. [... see all Applify Tech Pvt Ltd reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Structured websites built for speed, scale, and search.
We are a London-based digital engineering agency specialising in high-performance websites, SEO infrastructure, and custom CRM systems. [... see all DBETA reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Portfolios Count
- 11 Projects Listed
Web Design and Development Company
At Bit Technologies Web Design Agency London, United Kingdom . Web Development, Social Media Marketing, SEO, Graphic Designing, and Content Writing are some of the services we offer. With digital marketing and software, our Social Media professionals can assist you in increasing revenue. [... see all Bit Technologies reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
Scale up with us — Elevate UX, Develop Smarter
At ScaleMeUp, we are experts in UX with years of experience and exclusive methodologies. We craft innovative solutions for complex products, using data-driven testing to validate every decision. Our approach ensures that every UX solution is not just intuitive but also highly effective.Beyond UX, we have [... see all ScaleMeUp reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Connecting Brands With Today's Audiences
The Connected Creative Agency - We connect your Brand with Today's Audiences! We are a multi-award-winning creative technology studio with a passion to bring advertising to life, inspire others through creativity and innovation and deliver results. [... view Appetite Creative profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Portfolios Count
- 44 Projects Listed
Dedicated to Transforming Your Business Operations and Online Presence
Unleash the Full Potential of Your Business with Tailor-Made Mobile App and Software Development. [... see all Digital Solutions UK reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 8 Projects Listed
Developing the Future - Propelling Business Growth with Technology
Vizion Systems specialises in developing Quality cloud based software applications for businesses using the very latest Cloud technologies. Applications are typically compatible with any device; PC, Laptop, Tablet or Mobile and operating system/browser. Moreover, Vizions advanced Account Management and [... see all Vizion Systems Ltd reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Web Design + Digital Marketing Agency | 20+ Years Experience
Top Notch Dezigns® is a full-service web design and digital marketing agency that specializes in custom websites tailored to meet diverse business requirements. With a focus on boosting brands, increasing conversions, and generating leads. [... see all Top Notch Dezigns® reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Portfolios Count
- 12 Projects Listed
We build apps for the future!
Nimble App Genie is a dynamic tech agency dedicated to catalyzing creative concepts into groundbreaking digital solutions. Our expertise lies in media app development and publishing app development. [... see all Nimble AppGenie reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 10 Projects Listed
Web and Mobile Apps Development Company
Mindrops is an AI-driven digital technology company delivering future-ready solutions. We build intelligent websites, smart eCommerce platforms, mobile apps, and custom software-scalable, secure, and user-friendly. Our AI expertise drives automation and business growth. [... see all Mindrops reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 20 Projects Listed
Technology is beautiful
Welcome to JustCoded! We build innovative solutions for FinTech and co-create bold digital products for growing startups in a variety of industries: e-commerce, digital services, real estate, travel, and others. JustCoded was founded in 2007, and today we are more than 70 people under one roof:Backend and [... view JustCoded profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 17 Projects Listed
World-class development & Startup Launcher
Explore our comprehensive range of services for launching startups and delivering fast, high-quality web and mobile app solutions. From Symfony backend development to React.js frontend development, DevOps, mobile development with Native or Flutter, and AI/ML expertise, we provide the cutting-edge technologies [... view 4xxi profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
Outsourcing Data Entry Services Company
Ask Datatech provides quality Data Entry Service, Data Management Services, Email database creating for email marketing/Lead Generation, Magento & E-commerce Product Upload Services, Data Conversion Services, CV/Resume Formatting, Data Processing, Web Scrapping , Data Capture and Data Scrapping [... see all Ask Datatech reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $8/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 2 Projects Listed
Empowering Startups & Enterprises With AI To Deliver Intelligent Business Solutions
Logicspice is a well-established mobile app and web development company that boasts over 18+ years of experience and has successfully completed over 2000 projects with a significant number of repeat clients. [... see all Logicspice reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $21/hr
- Portfolios Count
- 8 Projects Listed
We Build Solutions.
We help early stage startups, and small businesses develop digital solutions. We specialise in building bespoke SaaS solutions, workflow integrations, custom internal tools or spinoff products. [... see all Antler Digital reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
- We are a technology consultancy and software delivery partner. Founded in 2000 in Poland as a software development company, we are an over 1000-people strong team who deliver end-to-end services, from vision to reality, to clients globally. We listen, advise, design and deliver world-class, user [... view Future Processing profile ]
- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 20 Projects Listed
Full Cycle Software Development That Exceeds Your Expectations
Creating impressive turnkey solutions for growing startups and established businesses, Enkonix is a reliable partner for custom software development [... view Enkonix profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 15 Projects Listed
Software and Product Development | Dedicated Teams
7EDGE is a custom software development company helping enterprises, brands, and startups develop a strategic roadmap in their digital journey. Our core strength lies in developing custom software and mobile applications using emerging technologies. [... see all 7EDGE reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
Related Services
Software Development Companies Near London
What can top London custom software development companies do for businesses?
Top London custom software development companies help businesses increase profitability and reduce operational expenses by engineering tailored solutions that automate processes, improve system efficiencies, and enable data-driven decisions.
More specifically, these companies can deliver:
- Enhanced customer experience by developing intuitive, user-friendly applications that provide seamless interactions, personalized services, and faster response times
- Improved strategic planning by integrating data analytics and business intelligence tools that provide real-time insights and enable informed decision making
- Stronger system security by implementing robust cybersecurity measures, including multi-factor authentication, vigilant monitoring, and system recovery management
- Increased revenue opportunities by creating custom digital products, services, and monetization models that meet high market demands
- Scalability and long-term growth with flexible, custom-built software that adapts to evolving business needs and market demands without requiring costly overhauls
To further highlight the benefits London software development firms can deliver, our researchers have highlighted the following case study:
- Challenge: A business approached Newwave Solutions to develop a blockchain-based web game that is accessible across devices. In the game, players attack monsters, gain more power the longer they stay connected, and compete for the highest scores daily.
- Solution: To build such a game, Newwave Solutions leveraged Node.js, Cocos Creator, and PostgreSQL for its main tech stack. It also implemented functions and features like player account management, reconnect mechanism, save game function, and automatic score calculation. Moreover, it integrated an authoritative server mechanism to prevent cheating.
- Results: The client was impressed by Newwaves Solutions’ game design and development, resulting in a highly efficient, stable, secure, and captivating cross-platform game. It reported zero instances of cheating, recorded over 15,000 new players, and marked an overall performance improvement.
What services do London software development firms typically provide?
London software development firms offer a wide range of services that cater to the unique needs of businesses across industries. These include:
- Custom software development
Engineering software solutions from scratch to meet specific business functions, processes, tech stack, and user behaviors - Web development
Creating the sitemap, layout, user interface, content management system (CMS), and other elements of a website or web app to propel a business’s online presence - Mobile app development
Constructing software for iOS and Android to improve user engagement and expand the business's reach across mobile platforms - Cloud solutions development
Building solutions on a cloud environment to help businesses efficiently and securely store, manage, and access data across devices with internet access - Software integration
Crafting solutions, often application programming interfaces (APIs), to connect separate digital systems and apps for seamless data exchanges and streamlined operations - Software maintenance and support
Monitoring the performance of existing technologies and implementing updates and adjustments to ensure they continue to operate smoothly
Some other sought-after services by London software development companies include artificial intelligence (AI) development, DevOps support, and cybersecurity.
How many custom software development companies are in London?
There are over 27,300 software development companies in London, with a compound annual growth rate of 3.2% from 2019 to 2024. Among the 7,600 software development companies listed on DesignRush, 450 have locations in London.
Here’s a breakdown of the featured agencies based on company size:
| Company size | Number of agencies |
| Small (Under 49 employees) | 212 |
| Mid-sized (50-249 employees) | 161 |
| Large (250+ employees) | 57 |
| Enterprise (1000+ employees) | 21 |
The dominance of small- and medium-sized software development companies in London shows a high demand for boutique firms that offer highly specialized services. This may also be due to the city’s strong entrepreneurial community, with 98% of London's businesses categorized as small.
On the other hand, the presence of large and enterprise software development firms indicates a considerable demand for developers who can handle more complex and large-scale projects.
How much do London software development firms charge for their services?
London software development firms charge between ÂŁ8,000 and ÂŁ90,000 for a basic solution. The final price will depend on project complexity and scope, service type, team composition, tech stack, number of features and integrations, and development methodology.
Here’s a breakdown of how much each aspect plays into the final project price:
| Service | Percentage of total project cost |
| Planning and analysis | 5%-15% |
| Design and coding | 40%-70% |
| Testing and quality assurance | 15%-25% |
| Maintenance and updates | 15%-20% annually |
| Support and bug fixing | 10%-20% |
The top 50 London software development companies on DesignRush charge approximately $45 per hour. 6.4% of the agencies listed accept projects with a minimum budget of $1,000, offering affordable services for simple projects, including proof of concept design and minimum viable product (MVP) development. In contrast, 6% require a minimum budget of $50,000, providing higher-level skills for more complex development projects, such as enterprise solution development.
Find a London software development firm that matches your budget by exploring our directory and filtering your search by minimum budget, hourly rates, and team size.
How do I choose the best custom software development company in London?
To choose the best custom software development company in London, consider following these steps:
- Outline your project requirements
Define your software’s purpose, features, functionalities, integrations, technologies, target users, timeline, and budget to find an agency that aligns closely with your needs. - Commence your search
Access Google, publications, listings, and reputable directories like DesignRush to search for an agency that is experienced with your technical requirements. - Evaluate past works
Review the company’s case studies and portfolio, particularly those that are similar to your own, to see their ability to deliver quality solutions and drive measurable business impact. - Check industry standing
Look at client reviews, testimonials, recognitions, and certifications to gather insights about the company’s level of experience, work process, and client service. - Send your request for proposal (RFP)
Include your technical requirements, target users, and business profile in your RFP to get detailed insights into their approach, pricing, and timeline. - Book an introductory meeting
Schedule a meeting with the agencies and ask them about their approach to your project, security and privacy practices, and maintenance and support services. - Understand the development process
Inquire about the development process, from planning to testing and deployment. A streamlined process reduces risks and leads to timely delivery. - Select your partner
Choose a software developer that provides required technical expertise, aligns with your culture and values, and understands your project goals.
Need help finding a software development company in London? Visit our Marketplace and send us your project details. We’ll send a list of the most suitable candidates free of charge!
What software development processes do companies follow in London?
Software development companies in London typically follow a structured, well-defined process to ensure the successful delivery of custom software solutions. The stages are as follows:
- Planning and strategy
Outlining the scope of the project, timelines, tools, resources, and milestones, and assessing costs, risks, and limitations - Feasibility analysis
Understanding the business goals, software requirements, and user needs to define project scope, features, functionality, and technical specifications - System architecture design
Defining the underlying structure, databases, user interfaces, and overall blueprint of the solution - Development and coding
Writing the code based on design specifications and performing initial tests to ensure functionality - Testing and quality assurance (QA)
Auditing and testing the entire solution before launch to ensure it is bug-free and works as intended - Deployment
Setting up servers, configuring cloud infrastructure, and releasing the solution into the product environment - Maintenance and support
Fixing bugs and performing updates and enhancements so the software remains functional
What industries do custom software development companies in London usually serve?
Custom software development companies in London serve a diverse range of industries, tailoring their services to meet the unique needs of each sector. Here are five of the major industries:
- Finance
London’s banks, insurance companies, and other financial institutions accounted for 50% of the finance sector’s economic output in 2024. To remain competitive, these organizations work with software developers to enhance transaction security, streamline operations, and ensure compliance with industry regulations. - Tech
Constituting 12% of the city’s gross value added (GVA), the digital and tech sector is a significant economic player. Businesses in this industry partner with software development companies to create their digital products, modernize systems, and outsource highly specialized expertise, like blockchain development. - Wholesale and Retail
With nearly 94,000 retailers and wholesalers in the city, businesses are increasingly seeking custom software solutions to elevate shopping experiences. Thanks to custom software development companies, businesses in the wholesale and retail industry can increase operational efficiency using eCommerce stores, supply chain management solutions, and customer relationship management (CRM) systems. - Healthcare
London’s healthcare system is substantially expanding, with a 17.8% total revenue growth in 2024. Software development firms help businesses and institutions in this sector by producing electronic health record systems that increase data privacy and data exchange, resulting in more accurate patient diagnoses. It can also engineer custom solutions, like robotic surgery systems, to advance medical innovations and clinical studies. - Arts
Home to prominent institutions, like the Tate Gallery, the British Museum, and Madame Tussauds, London is the arts and culture hub of the country. Museums, galleries, and art institutions benefit from software development companies because these companies digitize their collections, improve preservation efforts, and amplify audience experiences through interactive installations.
Beyond these five industries, London software development firms also specialize in human resources, hospitality, and education. Discover more about these developers by visiting our directory and filtering your search by industry, area of expertise, and reviews.
What questions should I ask a London software development firm before hiring one?
Before hiring a London software development firm, ask about its experience and processes to verify that it is reliable and capable. Here are some questions to ask:
Its Relevant Background
- Can you provide case studies or references from clients in my industry?
- What are some of your most successful projects and why?
- How do you keep your team updated with the latest technology trends?
- How long have you been providing custom software development solutions?
Its Services and Processes
- What development methodologies do you follow (e.g., Agile, Waterfall, Scrum)?
- What technologies or platforms do you specialize in?
- How do you approach the initial requirement gathering and project scoping?
- What is your process for ensuring quality control and bug-free software?
- Do you offer post-launch support and maintenance services?
- How do you ensure the security and scalability of the software you build?
- How do you handle changes in project scope or requirements during development?
- What is your disaster recovery and risk management strategy?
- What services do you outsource?
Related to Your Project
- How familiar are you with my project requirements?
- Who will be on my team, and what are their credentials?
- What is your estimated timeline for delivering my project?
- How do you ensure that the software aligns with my business goals and user needs?
- Will I be involved in the development process, and if so, how often will you communicate with me?
- Will you turn over the codebase and documentation to us after completing the project?
- Who will own the rights to the software?
What are the top 10 best-rated custom software development companies in London?
The top 10 best-rated custom software development in London are:
- Zazz
- 5.0 stars on DesignRush (92 reviews)
- 4.6 stars on Google (81 reviews)
- Top clients: Public Services Health & Safety Association, TaxVolt, Alpha Match, &Jane
- Goji Labs
- 5.0 stars on DesignRush (73 reviews)
- 4.9 stars on Google (50 reviews)
- Top clients: World Wildlife Fund, World Health Organization, Monster Energy, Elf on the Shelf
- Newwave Solutions
- 5.0 stars on DesignRush (67 reviews)
- 4.9 stars on Google (67 reviews)
- Top clients: Geeky Ants, Pop Sicle Inc, Crane, Nipon Express,
- Peiko
- 5.0 stars on DesignRush (59 reviews)
- 4.5 stars on Google (15 reviews)
- Top clients: Bitcoin Addition, Stark, TopUp, GS Diamonds
- Magneto IT Solutions
- 5.0 stars on DesignRush (50 reviews)
- 4.1 stars on Google (46 reviews)
- Top clients: Traffic NYC, Elite Screens, Modern Furniture Direct, Race Chip
- Suffescom Solutions Inc
- 5.0 stars on DesignRush (38 reviews)
- 4.6 stars on Google (94 reviews)
- Top clients: King Cups, Epic, Uber, Cash App
- DevsData Tech Talent
- 5.0 stars on DesignRush (37 reviews)
- 5.0 stars on Google (27 reviews)
- Top clients: dotData Inc, Epinote, CodeAlly, Idealab
- Zamratech
- 5.0 stars on DesignRush (33 reviews)
- Top clients: Walmart, Nestle, New York Dating, Rx Calendar
- Fulminous Software
- 4.9 stars on DesignRush (40 reviews)
- 4.9 stars on Google (49 reviews)
- Top clients: Easy Recovery, Planet Alpha, Ridecare, PlateRate
- Digis
- 4.9 stars on DesignRush (30 reviews)
- Top clients: PWC, HubSpot, Noty.ai, Otoqi
Why People Trust DesignRush
Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding custom software development companies in London. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

Learn more about DesignRush Agency Ranking Methodology.
Sources
DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
- Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
- The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
About The Author and Expert Reviewer
Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.
Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.



















































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