Top Blockchain Development Companies in London

Founded in 2015, OpenZeppelin is the world leader in securing blockchain applications and smart contract systems. Its bedrock open source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise, unified with the Defender developer security platform, integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy ... read OpenZeppelin reviews & insights

Framnex is a fintech infrastructure platform for companies building, launching and scaling banking, payments and embedded finance products. Framnex provides modular infrastructure for business accounts, cross-border payments, FX, cards, wallets, crypto, embedded banking, open banking, mass payouts and treasury. Companies can use individual capabilities or combine them into a branded financial platform through APIs and ... read Framnex reviews & insights

The world's first decentralized, AI-driven marketplace providing real-time solutions to retailers, manufacturers and consumers. It’s built on the already proven OSA Hybrid Platform, which has successfully delivered its services to over 20 retailers and manufacturers in 3 countries. The platform provides consumers with transparent product information and online assistant services, while OSA DC’s AI-powered ecosystem ... read OSA decentralized reviews & insights

Offshore Unipay began with a clear mission: to empower businesses with innovative and reliable payment processing solutions. From our humble beginnings, we've grown into a trusted partner for high-risk industries, offering tailored services that meet the unique challenges of global commerce. Our journey is marked by a commitment to excellence, a customer-first approach, and a ... read Offshore Unipay reviews & insights

We at AppClues Studio work with passion to bring your ideas to reality, and make brilliant applications for your business. You will be stunned by the devotion our group conveys to every mobile application development project. In this case, as a business visionary, you know better than anyone else that energy, devotion, and diligent work ... read AppClues Studio reviews & insights

Cyber Bee is an IT company providing Web3 & Blockchain and custom software development. Our team has experience in creating a TOP-15 Web 3.0 ecosystem with more than $350 million TVL (according to DefiLlama). We've also developed one of the fastest and cheapest Layer 1 EVM-network on Proof-Of-Stake protocol with its own nodes. Our team ... read Cyber Bee reviews & insights

DLT APPS LIMITED “DLT” is a deep tech engineering business focused on end-to-end Digital Business Transformation. We do this in 4 clear ways: 1) Cloud Infrastructure Engineering 2) Product Engineering 3) Proposition Incubation 4) Open Financial Services Platform The business focuses its deep tech engineering capability around: Blockchain and Artificial Intelligence supported by innovation tech ... read DLT Apps Ltd reviews & insights

We are dedicated to empowering businesses with our technological innovation in everything we do. Our core endeavors lie in: ▶️ Equipping startups & enterprises by paving the way toward a more secure and transparent future with our 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬. ▶️ Stepping into a world of endless possibilities with our 𝐌𝐞𝐭𝐚𝐯𝐞𝐫𝐬𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬, where the ... read Web 3.0 UK reviews & insights

Dev Technosys UK is a premier IT solutions provider, delivering high-performance, scalable, and custom software development services across the Middle East. With over a decade of global experience and a strong local presence in the UK, we specialize in building innovative mobile apps, web platforms, and enterprise-grade digital solutions tailored to meet specific business goals. ... read Dev Technosys UK reviews & insights

Atchai develops innovative digital products on a global scale. Since 2010 we have successfully delivered products serving millions of users for Bank of England, NHS, Unilever, Danone, Parity PLC, Inition, UEFA, Turner Broadcasting, Internews Europe, eToro, Asthma UK, Mencap, and many smaller but ambitious start-ups. Our work is driven by new technology, delivered using Agile ... read Atchai reviews & insights

Kellton Tech is a ‘Born Digital’ technology consulting and services company founded on the belief ‘Infinite Possibilities with Technology.’ We are driven by our deep strategic thinking approach and agile methodologies to help our clients shape business strategies and growth. Ourdisruptive Digital Transformation solutions are trusted by startups to Fortune 500 clients. Empower disruptive growth ... read Kellton Tech Solutions reviews & insights

RNDpoint is a global FinTech development services provider. We are a trusted partner of FinTech SMBs and startups, delivering full-cycle assistance with innovative finance projects. Our experts possess in-depth domain-specific expertise, enabling us to lead clients through the FinTech startup pipeline without friction and with fewer risks. RNDpoint has been helping banks and startups develop ... read RNDpoint reviews & insights

Javed is a qualified actuary (FIA), an award winning C-suite executive, a board member and a successful serial entrepreneur with a breadth of experience, leading complex programmes within both start-ups and large corporate organisations with market cap of over £100 billion, including advising and working with senior management of FTSE100 companies and global household brands ... read Javed Khattak Consulting reviews & insights

DigyCorp provides fully managed implementations and can also help to build your in-house capabilities. Our main strength lies in Software Development, Cloud, Blockchain & Data Science. We specialised in creating competitive bespoke digital solutions with highly talented technical resources at incredibly competitive rates. Our mission is to help our customers achieve more with less. Do ... read DigyCorp reviews & insights

Cosdec Labs is an Award-winning, Global Web 3.0 Development & Innovation company and a part of the Cosdec Alpha Consulting Group. We specialize in driving growth through blockchain, metaverse, cryptocurrencies, NFTs, and many more futuristic technologies. ... read Cosdec Labs reviews & insights

Founding Heveloon in 2018 we wanted to put a human, friendly face to technology. We wanted to be the app development partners of choice for businesses like yours. Our brand name Heveloon embodies our passion to help you achieve. It combines two Norse words ‘heve’ – meaning to ‘raise’ and ‘loon’ – meaning to ‘reward.’ ... read Heveloon reviews & insights

A high end digital transformation software development and consultancy company providing innovative engineering solutions helping enterprises on their digital journeys. Since 2009 we have been a trusted partner to large global company brands but also a provider of creative bespoke solutions to SME’s and start-ups alike. ... read MWAN Mobile reviews & insights

We are an IT development company focused on WEB3 and app development for small and medium-sized enterprises (SMEs). Our primary products are WEB3 integrated quality applications, websites, and web applications. Our experienced and professional team is at your call if you need your project done for an affordable price while still having state-of-the-art solutions and ... read KingIT Solutions reviews & insights

Our team of experts can build bespoke and intuitive solutions including web applications, desktop applications, software development, mobile app development and cloud applications; all with the purpose of adding actual value to your company. Give your business the professional boost it deserves and see real, unrivalled results with LA5 Digital. ... read LA5 DIGITAL reviews & insights

PNdigital is a leading SEO services agency, with the tools and expertise to put your website ahead of the rest. Based in the UK, our passion and commitment to each of our clients is at the heart of everything we do. Our one goal in business is to get you more visible, more traffic, and ... read PNdigital reviews & insights

InnotatzIT Solutions is a global Software Development, IT Product Design and IT Consulting Company predominantly focused on Web Application Development, Digital Innovations & IT Recruitment Solutions. We also provide global digital consultancy that helps brands leverage design, analytics, and engineering to create meaningful, personalized customer experiences. We are working with cutting edge technologies by accelerating ... read InnotatzIT Solutions reviews & insights

At House of Gearheads, we craft solutions that simplify complexity and power business growth. Whether it’s AI-driven insights, blockchain security, or seamless app development, our team delivers results that matter. ... read House of Gearheads Limited reviews & insights

DevSimplex is a software development and IT services company providing custom web development, software solutions, and technical consulting for startups, SMEs, and growing businesses. We specialize in building secure, scalable, and high-performance digital solutions tailored to client needs. Our services include custom software development, web and application development, API integrations, system optimization, and ongoing technical ... read DevSimplex reviews & insights

GonzoProxy is a production-grade proxy infrastructure provider officially registered in the United Kingdom as GonzoProxy LTD. We operate a massive, ethically sourced P2P network of over 20 million real devices worldwide, providing IP addresses with natural usage history that are indistinguishable from regular home users.Our platform is the only provider in the industry to offer ... read GonzoProxy reviews & insights

Circle Square Limited is a London headquartered software development company, offering the brightest Eastern European software development specialists to suit the needs of our clients. While our main team of developers is based in Ukraine, with the support of our UK team, we distinguish ourselves by adherence to Western standards in communication, quality and delivery. ... read Circle Square Tech reviews & insights

We are a team of experts, innovators, and achievers, who have spent decades utilizing the disruptive power of technology and ingenuity to help digitally enable our clients' businesses in their pursuit of the next. Our developed solutions are being used by companies like Google, Facebook, Electrolux, CISCO, and many other big giants. ... read Weblingos Technologies reviews & insights

Our experts bring diverse industry knowledge to drive your success. Utilize our proven strategies for increased productivity and goal achievement. ... read Mechinix reviews & insights

Your Trusted Partner. Empowering Your Business with Innovative IT Solutions. Our objective is to deliver top-quality software products through innovative strategies and cutting-edge solutions. Trust us to take your business to the next level. We offer affordable IT solutions that help you reduce costs and improve your bottom line. We stay up-to-date with the latest ... read Smart Genesis reviews & insights

Altum Software partners with Fintech startups, guiding them from pre-seed to product-market fit and beyond. We build regulatory-compliant Web3 applications, secure high-load Fintech products, and integrate AI-powered data analytics. We’re a team of 25+ software architects, engineers, product managers, business analysts, product designers, and QA engineers. We are committed to implementing cutting-edge, human-centered Fintech solutions ... read Altum Software reviews & insights

With over 8 years of experience, SagTech specializes in delivering innovative web and mobile applications, alongside decentralized solutions that drive business growth and innovation across the globe. Our passionate and highly skilled team combines cutting-edge technologies with a deep understanding of your industry to create solutions that truly make a difference. Why Choose SagTech? At ... read SagTech reviews & insights

The seed of MSBC Group was sown in 2002 in the royal city of London, United Kingdom. With an experience of almost two decades in global information technology services, MSBC Group has successfully been into quality deliverance, having their team of brilliant, dedicated and tech-etched professionals besides. With all the dynamic cooperative and engagement models ... read MSBC Group reviews & insights

Founded in 2006, Webdigi is a web development agency based in London, UK. We specialise in developing bespoke web platforms & mobile applications. Over the years we have helped clients bring products to the market. Every project is built primarily using open source technologies and are tailor made to fit unique requirements. Our aim has ... read Webdigi reviews & insights

Zepto Systems provides cloud employees working as an extension of your current workforce remotely. We call this model '​'Right Sourcing'​'​ as the teams or employees are dedicated to your company and provide a bespoke service as per the clients requirement We provide customers hassle free expansion without them having to invest in expensive infrastructure. We ... read Zepto Systems Ltd reviews & insights

On Budget and Time is a small bespoke software firm founded by industry veterans who worked for large custom software and Fortune 500 companies in financial services. OB&T’s work is about listening and sharing knowledge to help financial institutions and software vendors exploit opportunities that market changes bring. OB&T delivers business-critical products in the shortest ... read On Budget and Time reviews & insights

Pixelette Technologies has been awarded ‘Best AI Agency’ in the UK three times by the Scottish Business Awards along with many other accolades. Whether you’re a budding entrepreneur with limited tech skills, an established business moving towards rapid expansion, or a government functionary looking to redefine efficiency, we offer end-to-end IT services in the realm ... read Pixelette Technologies reviews & insights

As one of the best blockchain development companies, SDNA Tech started the journey on a humble note with a few team members in 2010 in London; however, with time it has evolved and worked with some of the best brands in the crypto and web 3.0 domain. In this list, SDNA Tech had the pleasure ... read SDNA Tech reviews & insights

nCube helps clients accelerate product development by providing remote software development teams.We have access to a pool of exceptional talents and are able to source rare experts with knowledge of cutting-edge technologies. Our goal is to provide the technology team you would work with for years to come.Operating since 2008, we have nurtured stable, long-term ... read nCube reviews & insights

Our team is comprised of seasoned professionals with a deep understanding of Web3 technologies. We use data to inform our strategies and ensure that your campaigns are effective and efficient. We are constantly innovating and developing new and effective ways to reach your target audience in the Web3 space. We believe in clear and open ... read Mercure DAO reviews & insights

We are a global provider of end-to-end software development services. We help clients across the world use modern technology to transform challenges into lasting business value, operational efficiency, and revenue growth. With an international team of over 200 tech experts, we offer tech consulting, engineering, data, and team augmentation services. Since our inception in 2012, ... read Vodworks reviews & insights

Ambala IT is a fast-growing provider of electronic security and customized IT solutions in Bangladesh since 2016. We focus on customer needs, delivering tailored solutions to complex challenges with high quality. Our certified team ensures the highest standards and exceptional after-sales support for lasting satisfaction. ... read Ambala IT reviews & insights

So-Creative is a dynamic, award-winning web development and software agency that transforms how businesses and brands engage with their audiences. With a team that has been at the forefront of digital innovation for many years, So-Creative redefines the boundaries of design, technology, and creativity.By working closely with clients, So-Creative ensures that their vision is not ... read So-Creative reviews & insights

Nebula X is a cutting-edge technology company specializing in web development, mobile app development, blockchain solutions, AI integration, and digital marketing. Established in the UK, with expansion plans, Nebula X is dedicated to empowering businesses with innovative, scalable, and high-performance digital solutions. At Nebula X, we leverage AI-driven automation, blockchain security, to help startups and ... read NebulaX reviews & insights

VE3 is a digital solutions consultancy that builds AI-powered, composable platforms to drive enterprise transformation. With solutions spanning intelligent automation, data integrity, generative AI, and cloud-native modernization, VE3 empowers organizations across public sector, BFSI, healthcare, and beyond to move faster, think smarter, and transform with confidence. Learn more at https://www.ve3.global ... read VE3 Global reviews & insights

IDS Group is a full-cycle software development company delivering scalable web and mobile solutions for startups and growing businesses across the US, UK, and Europe. We partner with funded startups and SMBs to design, build, and scale digital products — from early-stage MVPs to complex, business-critical and high-load systems. Our approach combines strong engineering, clean ... read IT DEV STAFF reviews & insights

Securovix is a London-based creative technology studio helping startups and businesses scale through AI automation, software development, cyber security, and digital growth solutions.We specialize in building modern websites, SaaS platforms, AI-powered systems, mobile applications, and secure digital infrastructures tailored to business needs. Our mission is to simplify technology for growing businesses by providing design, development, ... read Securovix reviews & insights

We're TechFriar. We build for the internet. The Beautiful and the Practical. The Sublime and the Optimal. The Enhanced. The Advanced. And the Progressive. But we're picky about our projects. Because we're passionate. We curate and shape our projects with due diligence. The only reason we call ourselves a digital services agency is so it ... read Techfriar reviews & insights

Zepto Systems offers fully managed and un-managed technology services and experts. Services cover Technical Innovation, Web Development , Mobile App Development, Software Quality Assurance, Customer Services, Support, Server Infrastructure and Cyber security. they also have helped in developing, implementing and supporting CRM, ERP, CMS and Online Retail solutions. They have five offices worldwide with large ... read Zepto System reviews & insights

THE WORLD’S BEST FREELANCE TECHNOLOGY TALENT AVAILABLE ON DEMAND. www.flexatal.com gives access to the best in the world and we take the hassle out of hiring by pre-testing and interviewing for you. We only accept the very best talent on to our platform. Our testing is designed by our technical team from Amazon and Google ... read Flexatal reviews & insights