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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Art & Games Development
Our team offers distinctive and captivating 2D and 3D artwork produced in accordance with current market trends. [... see all Whimsy Games reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
Be unique. Be cool.
Cool Digital Solutions is a software development, design and project management company serving in 4 countries since 8 years. We develop tailor-made web and mobile solutions to realize new business ideas and build great businesses. Whether you have a spark of idea or a planned project ready to boost, we work [... view Cool Digital Solutions profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 13 Projects Listed
We Eat Software
Faye stands at the forefront as global Salesforce consulting firm + SugarCRM and marketing automation consultants, turning software into pure efficiency. Our certified team excels in integrating platforms like SugarCRM, Zendesk, and Salesforce, ensuring optimized tech stacks for businesses. Powered by an [... view Faye profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Portfolios Count
- 5 Projects Listed
GLOBAL TECH TALENT, LOCAL IMPACT.
EchoGlobal Tech specializes in delivering exceptional remote engineering talent aligned with your company's values and cultural ethos. Always quality over quantity! [... see all EchoGlobal reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 9 Projects Listed
Leading Global Provider of Blockchain Technology Solutions and Software Development
The company's specialists have solid expertise in blockchain consulting and development as well as machine learning, big data, artificial intelligence (AI), and AR/VR. Founded in 2007, PixelPlex has designed and developed 450+ successful projects for clients all over the world. [... view PixelPlex profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $75/hr
- Portfolios Count
- 15 Projects Listed
Top Rated Web Development Company in India
Promatics is an AI-powered web and mobile app development company building scalable, intelligent digital products. Our expert team blends design, engineering, and AI to deliver high-performance solutions with personalization, automation, and data-driven insights that drive real business growth. [... see all Promatics Technologies Private Limited reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 9 Projects Listed
Global Software Engineering Firm
DataArt - Your Partner for Progress in the Digital Age [... view DataArt profile ]- Location
- London, United Kingdom
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 12 Projects Listed
Promising the exposure you deserve!
We dont just develop applications; we build lasting partnerships that evolve software to keep our clients competitive and innovative. Since 2009, MobiDev has helped over 400 businesses in the US, Canada, Europe, and Israel build, modernize, and scale their products for todays dynamic market. [... view MobiDev profile ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 14 Projects Listed
- We’re a passionate team of designers and engineers that love helping businesses deliver their value to the world.Over the last 11 years we’ve worked with hundreds of businesses and entrepreneurs to grow through the innovative use of technology. We’ve seen what works and more importantly what [... view SOtechnology profile ]
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Full-cycle software development company
We are an international software development company that creates solutions for 4 distinct areas of cloud automation and has subsidiaries or sales partners in 12 different European nations. [... see all WebOrigo reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
We develop beautiful bespoke software development solutions for our partners.
Where should you focus your efforts and budget? Which part of your business needs to be quickly improved? Which part will have the most profitable outcome? With our bespoke software development knowledge, we help you tackle the big questions. [... see all CODEPIXI reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Build your vision with us
Perpetual is a software design and development agency. We build custom web and mobile products for our clients. [... view Perpetual profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
We build software products that stand out
Honeycomb Software is an IT Consulting and Software development company serving clients since March 2015. [... view Honeycomb Software profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $36/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
Aidey is a Business Process Outsourcing company
Aidey is a BPO company, providing businesses of all sizes with an efficient way to manage their operations through flexible and cost-effective outsourcing solutions. [... see all Aidey reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $8/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Custom Web And Mobile Application Development Company, SAAS app development company
Kanhasoft have successfully delivered various custom solutions to our clients from dynamic SAAS app development to custom made CRM and ERP solutions, Web scraping along with data analysis and reporting, Marketplace apps, Many custom workflow application for various industries [... see all Kanhasoft reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 19 Projects Listed
Embellish Digital Experiences
We are your technology partner for software innovation and market-leading solutions. Accelerate your business growth with our customer-led, insights driven and innovative solutions. With more than a decade of experience, Grawlix has possessed the capabilities and skilled resources to offer competitive and [... see all Grawlix reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Advancing Early AI Adopters
ARCQ AI Limited is a Generative AI Consultancy building custom software for service and brick-and-mortar businesses under $100M ARR, helping early AI adopters. [... see all ARCQ AI Limited reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
- Sombra - a global software firm focused on transforming tech challenges into business successes
Sombra - a global software firm focused on transforming tech challenges into business successes
Sombra is a global software development and consulting company, and... thats it. With over 350+ experts across Europe, Latin America, Canada, and the US, we simply develop, craft, and deliver IT solutions in financial services, healthcare, e-commerce, energy, logistics, and telecommunications.​In an [... view Sombra profile ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
Your Pros for Growth
Prox is a UK-based creative digital agency with 10+ years of experience, 500+ projects, helping businesses grow through strategy, design & tech. [... view Prox Digital Agency profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 21 Projects Listed
The Fastest Way To Hire Top Remote Engineers
Index.dev is a global talent network that connects leading startups and enterprises with vetted tech talent remotely, from freelancers to contractors to full development teams. With 97% of trials turning into long-term hires, we help companies find highly-skilled tech talent within 48 hours, while managing [... view Index.dev profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
" Your Business Center Point"
Centrelocus, serves clients across 18+ countries with a focus on delivering cutting-edge solutions in Web, Mobile apps, Games, Blockchain and AI. Also an official vendor partner of Morgan State University, USA, Centrelocus boast of having on average 100,000 hours of coding experience for each tech. [... see all Centre Locus reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 9 Projects Listed
Building products that matter.
Eastern Peak is a custom web, mobile and IoT development company with roots in Israel and its own R&D office in Ukraine. [... view Eastern Peak profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 2 Projects Listed
Top Website Design and Development Company
Ezulix is a custom software development company specialising in bespoke software designs tailored to specific business requirements. Ezulix specialises in on-demand solutions in the following fields: [... see all Ezulix reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Turning Business Dreams Into Reality
WeDoWebApps is a dynamic and innovative company that offers a wide range of expert services to drive businesses towards success in the digital realm. [... see all WeDoWebApps reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
An Enterprise AI Development Company
Azilen Technologies is a prominent enterprise AI development company that takes pride in delivering exceptional AI, Data, and HRTech solutions to organizations seeking digital transformation. [... view Azilen Technologies profile ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
A product-focused, machine-learning, data science, e-commerce, and software team.
A product-focused, machine-learning, data science, e-commerce, and software team. [... view Mercury Labs profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
Create - Inspire - Deliver
We boost businesses with expert AI software development and web solutions, offering products and consulting across industries like automotive, IT, and healthcare etc. Partner with us to grow in the digital era using innovative technology. [... view Kodexo Labs profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Engage Works Inspiring Experiences
We're a creative technology agency that puts people at the heart of every experience. With offices in London and Dubai, we combine the best creative with cutting-edge technology to create unique, innovative and bespoke experiences that excite, inspire and engage. [... view Engage Works profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Portfolios Count
- 4 Projects Listed
Software Development Company
Our company was founded in 2008 as a mobile app development agency, and after it turned into a full-cycle software engineering house that working in with web apps development, mobile apps development, QA & Testing. We offer our clients competitive rates, high expertise and reliable conditions of [... view SoftTeco profile ]- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Software & Product Development Since 1999
We are a custom software development that delivers fast and cost-effective solutions. We have been in the industry for over 29 years and cater to companies of different sizes. We also take pride in our diverse portfolio. Since 1990, we have been developing apps and software. [... see all BIT Studios reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
Think bespoke. Think beyond. One Beyond.
One Beyond specializes in government custom software development, offering tailored solutions for the Government and Public Sector. From inception to post-launch support, we're a committed partner. [... view One Beyond profile ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
GLOBAL TECH PARTNER FOR DIGITAL TRANSFORMATION AND SOFTWARE INNOVATION
Jelvix is a global tech partner with 15+ years of experience, empowering industry leaders and startups. With 450+ IT experts, we drive digital transformation across Europe, North America, Nordics, and Southeast Asia. [... view Jelvix profile ]- Location
- London, United Kingdom
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $70/hr
- Portfolios Count
- 10 Projects Listed
Engineering Your Growth
Mad Devs is an international tech company that designs, develops, and deploys innovative software solutions. We serve businesses of all sizes and industries: from finance to transport and logistics, security, education, and advertising. [... view Mad Devs profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 15 Projects Listed
Purpose built software. Partner led process. Business changing results.
CCQ Tech is a UK-based technology consultancy specialising in bespoke software development for organisations with complex operational challenges. For over 20 years, we've partnered with financial institutions, engineering firms and infrastructure organisations to design and build custom software platforms [... view CCQ Tech profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Advancing Through Technology.
With over 15 years of expertise, ARITS is a trusted provider of vetted IT staffing, resource augmentation, and custom development solutions for mobile, web, and offshore software. Our commitment to quality and innovation sets us apart, delivering success for clients across diverse industries. [... view ARITS Limited profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 10 Projects Listed
Full-Service E-commerce Development Company
An ecosystem for B2B/ B2B2C websites on multiple platforms with robust technology and a customer-oriented mindset. [... view BSS Commerce profile ]- Location
- London, United Kingdom
- Number of Employees
- 250 - 499
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
A cutting-edge digital company
5StarDesigners provides Top Software Design and Development talent to startups and enterprise organizations. We are a registered app development company in London that can help you in accelerating your businesses & processes with high speed, security, the latest technologies, and the finest user experience. [... see all 5StarDesigners reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
- We save business owners time & money by optimising their business operations through custom software
We save business owners time & money by optimising their business operations through custom software
We shine the light on what is possible. Our mission is to save business owners time & money by optimising their business operations through custom, reliable software solutions. [... view The Beaverhead Ltd profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 9 Projects Listed
Product Development Tailored for Your Business.
At Magora, we transform your digital dreams into reality. Our innovative solutions blend cutting-edge technology with creative expertise to deliver bespoke software and mobile applications tailored to your unique needs. [... see all Magora reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
- We build mobile apps, web platforms & AI workflows for organisations doing good in the world.
We build mobile apps, web platforms & AI workflows for organisations doing good in the world.
3 Sided Cube is a global mobile app and digital development company with a passion for Tech For Good, championing the genius over the generic to build life-saving, life-changing digital solutions. [... view 3 Sided Cube profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
- Where business is personal - we treat each project like it is our own and act like an internal team.
Where business is personal - we treat each project like it is our own and act like an internal team.
Meet your new design team! We have mighty project managers, UX/UI designer to make our projects look awesome and meaningful, front-end developers to turn beauty into real life, software engineers to code the beating heart of the project and cross-platform mobile developers to craft stunning iPhone and Android [... view InCode Systems profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Technology Outsourcing Simplified
Prominent name in the arena of IT, Octal Info Solution offers wide-ranging IT services in Singapore. We aim for transparency in services and greater return on investment. [... view Octal Info Solution profile ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
Next-level digital efficiency
We build ingeniously throughout web and mobile applications, artificial intelligence solutions and customs software for businesses with big dreams. Our unique discovery process unlocks the potential for your business to scale. [... see all Osedea Limited reviews ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 4 Projects Listed
We battle for your brand.
EminEmpire stands out as a leading provider of comprehensive digital services, offering a complete one-stop solution. Our integrated suite includes web and software development, digital marketing, video production, advertising, and business development management. Designed to empower businesses, we help [... see all EminEmpire reviews ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Portfolios Count
- 3 Projects Listed
Creating a FinTech infrastructure
Transform your financial business or build the next-generation product with our FinTech software development services. Tech transformation provider for fintech and trading companies. [... view F7A profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Ranked #1 Software & App Development Company
Vrinsoft is the most promising IT solution providing company, based in India which is a one-stop shop for all your business needs. We are a Microsoft certified IT company, which besides rendering professional and comprehensive business solutions also cater a range of services in mobile technologies. [... see all Vrinsoft Technology reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 16 Projects Listed
AppVin | Software Development Company Netherlands, UAE, USA
AppVin Technologies excels in designing, developing, and implementing IT solutions tailored for startups, small businesses, and established enterprises. As a premier software development company, we deliver top-notch technology solutions to drive business success. Partner with AppVin Technologies to leverage [... view AppVin Technologies profile ]- Location
- London, United Kingdom
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
MAKING THE WEB WORK FOR YOU
HeadChannel specialises in end-to-end bespoke software development that effectively supports businesses not only in exceptionally difficult times. Whether you are an SME or a blue-chip company, our development team is to support you in building and implementing a long term or a short term IT strategy to give [... view HeadChannel profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Accelerate Your Digital Transformation
We are global web3.0 Software engineering company making success stories for more two decades with highly motivated and experience teams and a proven agile framework. we prioritize the commercial goal of our customer deliver the highest business value. we are a renowned blockchain app development company in [... see all NetSet Software Solutions reviews ]- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Stunning Apps
A top-rated UK app development company, delivering award-winning Android and iOS apps since the first iPhone. [... view The Distance Agency Ltd profile ]- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 17 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 £8,000 and £90,000 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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