Top Software Development Companies in The United Kingdom

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Software Development

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Top Featured Software Development Companies

TRIARE
4.9
(11 reviews)
TRIARE unlocks IT potential of YOUR business
TRIARE is a WEB and MOBILE software development company based in Europe. We are delighted to offer our services as your long-term partner, taking all technical matters off your shoulders and allowing you to focus on your business development. YOU WILL GET: ✔ In-house team . Work with a dedicated team that is 100% focused on your product and located in the same office. ✔ Efficiency & transparency , as our process is based on Scrum methodology and managed by certified Scrum Masters. ✔ Fast result. Working with us, you will get the first result in 1 week. ✔ High quality, as TRIARE has well-established processes of software development and experienced specialists. ✔ Full cycle development . Our company covers all stages of development, handling everything from Discovery and prototyping to Design, development, and maintenance. ✔ IP rights . From the very beginning, you are the only owner of the intellectual property of your project materials: source code, design, documentation, etc. ✔ Warranty period will be provided for your system for free. ASPECTS OF OUR MINDSET: - Focused on results. We are focused on the result of your business with an understanding of the real goals and KPIs that our team should achieve. - Solution Provider. It means that we always come to you with solutions, not with questions. We take all technical aspects of the project off your shoulders, allowing you to focus on the marketing and business strategies. - We go the extra mile. Being a proactive company, we always think and take a step ahead. TECHNOLOGIES WE USE: - Mobile app development: Kotlin, Java, Swift, Objective-C. - Cross-platform development: Flutter, React Native. - Web frameworks: Node.JS, React.JS, PHP, Ruby on Rails.
8 works in Software Development
Located in Greater London, United Kingdom (+3)
From €10,000 for Software Development
Worked in Hospitals & Healthcare (+20)
Speaks English, Ukrainian
51-200 members
The Weather
4.9
(45 reviews)
No-nonsense digital transformation for forward-thinking brands
Highly recommended
Top awarded
🇬🇧 The Weather is an award-winning digital agency and one of Germany's top-ranking companies for web design and web development. We design, build and brand — websites, digital products and AI applications — for companies that expect results. Based in Berlin, delivering worldwide. We have created over 200 websites for tech startups, green energy clients, democracy-focused NGOs, and progressive brands. Their digital transformation has paid for itself — and yours should too. The Weather is the #1 web design company in Germany on Clutch. Seven of our websites received nominations on Awwwards.com. Our web experiences change entire businesses, one website at a time. See the proof. Web design Our high-impact design websites and digital experiences are designed to spark action and build momentum. Discovery & digital advisory Websites UI/UX Figma Web apps Mobile apps Motion design 3D animations Web development We develop future-proof websites and software that are result-oriented and easy to live with. WordPress and Elementor Webflow Jamstack, Headless CMS Mobile apps Web apps Support and maintenance Brand construction With a strong focus on storytelling, we craft distinctive brand and product identities that stand out. Brand guidelines Brand book Idea making Copywriting Illustration Graphic and print design AI development We turn AI from a buzzword into a business asset — practical products built from scratch or integrated into what you already have. AI product strategy & scoping — defining the right problem before a line of code is written AI agents — autonomous agents handling complex, multi-step tasks LLM integration — reliable, scalable integration into existing products and workflows Prototyping & proof of concept — fast, focused builds to test core assumptions Prompt engineering & workflow design — prompts and pipelines that perform in production AI product development — end-to-end, in-house; our own product, Oylo, is proof
4 works in Software Development
Located in Berlin, Germany
From €3,000 for Software Development
Worked in Software & Computer Services (+25)
Speaks English, Catalan(+7)
11-50 members
Instinctools
5
(10 reviews)
Your AI-powered Engineering Partner
Top awarded
Meet *instinctools - a global AI-powered software engineering company with over 25 years of experience. We help both SMBs and Enterprises build robust, scalable software solutions that excel in functionality and design. Our core services include: Agentic AI enablement Custom software development enhanced by deep AI expertise Digital product engineering Business process automation Legacy system modernization Advanced data analytics and visualization Cloud infrastructure and DevSecOps Headquartered in the USA (Maryland) and Europe (Germany), *instinctools offers convenient locations for meeting and collaborating directly with our clients. We have development centers in Poland, LATAM, India, and Kazakhstan that combine global expertise with a strong price-quality balance to ensure exceptional results across time zones. Our work is backed by ISO-certified quality standards, strategic partnerships with leading tech platform, and a long-standing commitment to engineering excellence. Instinctools holds a broad portfolio of regional and industry-specific certifications, including CIR, HIPAA, and other compliance frameworks required for regulated markets. The 2025 Annual Customer Satisfaction Index is 9.1 out of 10.
4 works in Software Development
Located in London, United Kingdom (+4)
From €10,000 for Software Development
Worked in Construction (+10)
Speaks English, German(+1)
201-500 members
GRM Digital
5
(5 reviews)
Digital marketing and technology that drives measurable growth.
Top awarded
GRM Digital is an award-winning digital agency helping ambitious businesses generate sustainable growth through SEO, paid media, content, digital strategy and technology. Since 2009, we've worked with organisations to improve their digital visibility, attract the right audiences and turn digital activity into measurable commercial results. Our marketing capabilities include SEO, PPC and paid search, content strategy and creation, digital PR and authority building, analytics, conversion optimisation and wider digital marketing strategy. We don't treat these channels in isolation. Our teams combine marketing expertise with UX, data, design and technology to understand the complete customer journey, from how prospects discover your business through to how they engage, convert and become customers. For organisations looking for an ongoing digital marketing partner, we develop integrated strategies based around clear commercial objectives. This includes understanding your market and competitors, identifying growth opportunities, building the right channel strategy and continuously measuring and improving performance. Unlike agencies focused purely on marketing activation, GRM also has extensive technical expertise across websites, CMS, eCommerce and digital platforms. This allows us to identify and solve the technical, UX and performance issues that can limit marketing results. Whether you need to increase organic visibility, improve paid search performance, create better content, generate more qualified enquiries or build a long-term digital growth strategy, GRM provides the strategy, expertise and ongoing optimisation needed to deliver measurable growth.
4 works in Software Development
Located in West Yorkshire, United Kingdom (+4)
From €50,000 for Software Development
Worked in Education (+6)
Speaks English, Croatian(+2)
11-50 members
Rounded Labs
5
(1 review)
Building mobile apps since before the iPhone
Founded in 2007, Rounded Labs has been at the forefront of mobile software for nearly two decades. We developed the UK’s first mobile banking app and went on to build some of the earliest m-commerce apps on the UK App Store for brands including GAME, Gamestation, Waterstones, HMV and Next. Since then, we’ve designed and developed software across virtually every major industry: From retail, fintech and SaaS to logistics, enterprise platforms and public-sector projects, including work for the Bavarian Government. Today, we bring that same depth of experience to ambitious businesses looking to build, modernise or rescue complex digital products. Nearly 20 years of experience. Some of the UK’s earliest mobile apps. Still building what comes next.
9 works in Software Development
Located in Birmingham, United Kingdom
From €10,000 for Software Development
Worked in Banking & Financials (+6)
Speaks English
11-50 members
KeyToTech
(0 review)
We help startups and companies develop and launch agile software products
Top awarded
KeyToTech is a software development agency. We deliver AI, mobile, web, and backend services to companies worldwide.
19 works in Software Development
Located in London, United Kingdom (+1)
From €5,000 for Software Development
Worked in Education (+12)
Speaks English, German(+2)
11-50 members
Brights
5
(13 reviews)
Bright people building bright software | Custom Software Development Agency
Highly recommended
Top awarded
Brights is a software development company that helps from maturing startups and enterprises turn concepts into scalable products. With 120+ engineers, designers, and analysts , we’ve delivered 300+ projects in 30 countries — from MVPs for scaling startups to full-scale platforms for Fortune 500 companies . Our track record includes 24 international awards , ISO/IEC 27001:2013 certification , and 100% job success on Upwork — proof that quality and accountability are not just promises but part of our process. 🤝 Trusted by: Microsoft, MasterCard, Samsung, McDonald's, Pepsi, Philip Morris, Danone, Activia, Skoda, Suzuki, Huggies, BetterMe, Headway What we build: 🔹 SaaS and marketplace platforms 🔹 Mobile apps (native & cross-platform) 🔹 Data analytics and BI dashboards 🔹 Cloud architecture & DevOps 🔹 AI-driven features and workflow automation We combine product mindset, engineering precision, and data-driven decision-making — helping teams launch faster, operate smarter, and grow sustainably. That’s why most clients stay with us for 3+ years , evolving from MVP to enterprise-grade systems together. 🚀 If you value teams who think beyond delivery — let’s build a solution that lasts .
18 works in Software Development
Located in Warsaw, Poland (+1)
From €10,000 for Software Development
Worked in Insurance (+22)
Speaks English, Ukrainian
51-200 members
Vasilkoff CY LTD
4.9
(13 reviews)
Web, Mobile, Ecommerce & AI Development Company in Cyprus
Highly recommended
Vasilkoff is a Cyprus-based software development company specialising in web development, mobile app development, ecommerce, custom software, AI solutions and digital transformation. Since 2012, our team has helped startups, SMEs and established companies design, build and scale reliable digital products. We combine senior-level development, modern technologies and practical business understanding to deliver solutions that are fast, secure, scalable and easy to maintain. Our services include: * Custom website and web application development * WordPress and WooCommerce development * Shopify and ecommerce development * iOS and Android mobile app development * Custom CRM, ERP and business software * SaaS platforms and marketplaces * API and third-party system integrations * Artificial Intelligence and automation solutions * UI/UX design * Blockchain and Web3 development * Ongoing development, support and maintenance Our technology stack includes React, Next.js, Laravel, PHP, Node.js, WordPress, WooCommerce, Shopify and modern cloud technologies. We work with clients in Cyprus and internationally, providing everything from small business websites to complex custom software platforms and mobile applications. At Vasilkoff, we focus on long-term partnerships, transparent communication and high-quality development. Our goal is not simply to deliver software, but to build digital solutions that help businesses grow, automate operations and create better customer experiences. If you are looking for a reliable web development company, mobile app development team, ecommerce developer or custom software partner in Cyprus, Vasilkoff can take your project from idea to launch and beyond.
10 works in Software Development
Located in Paphos, Cyprus
From €1,000 for Software Development
Worked in Entertainment & Events (+11)
Speaks English, Greek(+1)
11-50 members

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