Top Fintech Software Development Companies & Fintech Software Developers in UK | 2025

Welcome to Bytes Technolab – a New-Age Digital Transformation and Product Engineering Company that keeps AI & ML innovations at the heart of everything.    Since 2011, we have collaborated with global Enterprises, Startups, and SMEs to modernize legacy systems, boost efficiency, and unearth new growth opportunities. We  empower brands with cutting-edge technology solutions to help them thrive in the fiercely competitive market.   Our strong forte in continuous R&D and innovation helps our clients to make precise decisions, fostering resilience and sustainability to make their businesses future-ready.   Our Vision   To be a global leader in product engineering and digital transformation services, empowering brands and startups to innovate, adapt, and achieve sustainable growth. By leveraging cutting-edge technologies and a customer-centric approach, we aim to transform ideas into impactful solutions that shape the future of businesses worldwide.   Our Mission   We’re on a mission to solve modern-day business challenges for our clients and help them unlock sustainable growth through our core offerings in Digital Transformation, and Product Engineering. In a nutshell, we have what it takes to offer limitless possibilities to all businesses.   Our Core Offerings in Software Development Explore our know-how in innovative software development umbrella to realize speed, agility, and trends we offer.   1. AI & ML Solutions   We help businesses adopt intelligent AI & ML solutions to accelerate overall growth and brand value.   AI Consulting NLP Development Generative AI AIOps & MLOps AI Integration AI Support   2. Digital Transformation   We transform conventional enterprises by modernizing their legacy systems and implementing workflow automation, etc.   Web Development Mobile App Development RPA Development Low Code Development Workflow Automation   3. Product Engineering   We engineer or re-engineer user-focused business products that ensure lasting success and add value to brands and their users.   Product Modernization MVP Development SaaS Development Product Support   4. Digital Commerce   Our team empowers retailers, wholesalers, and manufacturers with end-to-end eCommerce offerings to create content-driven and experience-driven solutions.   Retail eCommerce B2B eCommerce   Platforms We Work With   Usher new possibilities to build solutions with our peerless capabilities to use the right technology platform to meet your needs.   1. AI & ML Solutions   OpenAI PyTorch TensorFlow Keras Python   2. Digital Transformation   Salesforce SAP Odoo Microsoft Dynamics 365 SugarCRM   3. CMS   WordPress Strapi Webflow Sitecore Drupal Sitecore   4. Digital Commerce   Adobe Commerce Magento Shopify WooCommerce BigCommerce   Methodology: Building Innovations for Users is in Our DNA.   Modern times demand modern solutions. Bytes Technolab empowers enterprises to reimagine their business operations, processes, and customer experiences.   Our methodology is customer-driven to design and build scalable and impactful solutions that enhance experiences, adding value to the brands we work with.   We are committed to innovation, continuously investing in emerging technologies to ensure our clients stay ahead in competitive markets.   Bytes Technolab’s mission extends beyond technology – To assist businesses in achieving sustainable growth, building stronger customer connections, and adapting to an ever-changing marketplace.    We strive to fuel business innovations in the digital age, inspiring confidence and trust in every customer-driven solution we deliver.   Our USPs: Simple Reasons Why Our Clients Love Us   Proven Track Record   A successful track record on a global scale with 98% project delivery is what makes us proud today.   Continuous Innovation   We always help our clients stay ahead by continuously fine-tuning and upgrading the software systems.   Uncompromised Quality We keep quality at the center of everything and never compromise on that front. This is why people trust us.   Customer Satisfaction We are prideful in building great software products for global clients, meeting their most complex requirements, and satisfying them since 2011.

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With offices in Poland, the United States, Iceland, and the United Kingdom, 300Brains is a multinational software development company that caters to startups, enterprises, and SMEs. We are building specialized IT and software development teams. We also work with venture capital. As previous CEOs, directors, and managers in industries like banking, we have a thorough understanding of goods, operations, and procedures. Working with us is very easy because we always understand our clients' perspectives because we have experience running both disruptive startups and large corporations on a global scale as market leaders. Banking, insurance, pensions, fintech, insurtech, regtech, leasing, fleet, asset management, private equity, brokerage, factoring, online lending, real estate brokerage, financial advising, gaming, VRM, EdTech, MedTech, and digital transformation are a few examples of our business competencies. Examples of our technological prowess include: UI/UX Designer | Data Warehouse | iOS | Android | Java |.Net | mySQL | Oracle | MSSQL | PostgreSQL | Web (JS, HTML, React, Bootstrap) | Architect | Scrum Master | Project Manager | Developer Fintech experience examples include: PIS/AIS service development using Estonian API standards Integration with Creditors Microservices-based open banking API for loan providers Factoring system integration Integration for loan underwriting with AIS OpenBanking HUBs Integration with Estonian national Mobile and Smart ID Development of AIS/PIS/CAAF services based on Polish API Standard Examples of the work that our team members have produced include: Cloud software integration, e-commerce, cybersecurity, mobile and online banking, online credit solutions, front-end sales systems, CRMs, back-end optimization, mergers and acquisitions, large-scale migrations, and back-end process automation

We are the reliable IT integrator with a focus on streamlining your workflow. We create, execute, and oversee adaptable and efficient procedures that guarantee the correct information reaches the right people at the right time by using our PID framework. We collaborate with top low/no-code platform providers to swiftly develop efficient, automated processes, drawing on our history in Integration, Data, Security, and Managed Services.

For 6+ years we have been providing startups and big brands with the opportunity to develop and achieve good results, to get additional profit with the help of technological solutions and business tools developed by our company.    What sets us apart? (Why us? Why should you trust Peiko?)   Achievements    We have been recognized as Clutch’s Top 3 Blockchain Development team, Goodfirm’s Blockchain Development leaders and DesignRush’s Best Graphic Design Companies.     Team competence    Peiko is a team of 67 professionals, who are constantly developing, have a high level of expertise in relevant technologies, and regularly confirm their qualifications. In particular, UX/UI designers, front-end and back-end engineers, QA testers, DevOps enginners, project and product managers, business an account managers.   Satisfied customers    During our work Peiko has successfully completed 189 projects for companies and startups all over the world. We continue to support part of them and take new projects into development. Our clients are always satisfied and turn to us more than once.    Our areas of expertise include innovative and cutting-edge solutions such as Software-as-a-Service, Exchanges, cryptowallets, NFTs, DeFi, Smart contracts, Marketplaces, Cross-platform solutions, MVP creation and CRM/ERP that we apply in industries such as Fintech, Retail, E-commerce, Healthcare, Blockchain and Traveling platforms.    We can provide:   Dedicated team/developer, managed by a client   Dedicated team, managed by our project managers   If you have an initial development, technical requirements for your future project or just an idea of a product that needs to be implemented, with our discovery phase you will be provided with as accurate as possible estimate of the timing and possible cost of implementing the solution.  We  will provide you with a unique solution that will bring you one step closer to success!  Let's make software together! Contact us: hello@peiko.space

Systango is a software development studio specialising in niche technologies and helping clients unleash the power of next-gen technologies such as Generative AI, Blockchain, Web3, and Machine Learning. We are a digital transformation partner with leading digital, cloud-native, and security capabilities to help you build a better version of your business. We believe in automation, apps that are fast, efficient, attractive, and easy-to-use to unlock the next stage of digitalisation for traditional businesses. Our client roster includes the likes of Grindr, Disney, Porsche, Accenture, MGM, Target, and Dialpad. Drop us a message to schedule a free consultation today!

FuturByte is a leading digital transformation company headquartered in Dubai, UAE. Since 2018, we have been helping businesses leverage the power of technology to drive growth and boost organisational efficiency. We aim to empower businesses by seamlessly integrating the latest technologies into their processes. We want to use technological advancements to benefit the world and improve experiences in all aspects of life. Our philosophy is anything is possible, we believe in a culture of constant innovation and entrepreneurial ideation. Enabling our team of FuturByters with the confidence and backing to achieve their goals, both personally and professionally. We are not just about completing projects, we are about driving success through technological innovation.

Teceze enables sustainable growth by delivering customized value-driven solutions with a global reach. Our agile approach and commercial flexibility help businesses of all sizes navigate change and scale confidently in the digital age. We specialize in modern Workplace solutions that help enterprises scale from local to global success. Our services including Managed IT, Cybersecurity, Field Support Operations, and Global Sourcing—harness advanced technology to optimize costs, increase productivity, and drive growth.

MWDN bridges the gap between your business and the top-tier talents worldwide. With strategically located delivery centers across Central and Eastern Europe, MWDN empowers startups and established businesses in the USA, Europe, and Israel. Let MWDN connect you to the talent that turns the impossible into reality. What we offer:  200+ in-house software development and tech engineers – a global pool of IT and digital experts 60% saving on direct labor costs and other payment plans for tight-budget projects 20 years of experience in healthcare, logistics, fintech, cybersecurity, and manufacturing software  24/7 assistance with your remote teams, regardless of their location Our services: Staff augmentation Dedicated teams R&D team extension  Global IT recruitment Our expertise: Transportation and logistics  Cybersecurity  FinTech Blockchain Construction Medical sphere and healthcare Telecommunication ATS GameDev

WaveAccess is an international results-driven company that provides high quality custom software development services.    Supporting customers with talented software engineers and a vast experience of cutting-edge technologies, WaveAccess builds innovative software solutions and significantly reduces development risks and costs. The company's highly skilled specialists have implemented over 1200 successful projects for market leaders, ambitious startups, and government institutions globally.   Among the company's key services: — Web & Mobile application development — Building AI and Machine Learning based systems — System integration & optimization — Life Sciences development — IoT project development — Microsoft Dynamics CRM development, customization and implementation — Implementation of highly loaded & highly scalable systems — Building ETL & BI systems — Development of real time monitoring systems — Data import and migration — Blockchain implementation — Workflow and business process automation — Project recovery — IT consulting   The company is honored to have received numerous awards from prestigious organizations, including the Academy of Motion Pictures (Sci-Tech Awards), and Microsoft Partner Awards in Business Analytics, Artificial Intelligence, and Media & Communications. The company is a Microsoft Solutions Partner for Digital & App Innovation (Azure). It is also featured among the top IT companies across various categories on Clutch, SelectedFirms, TechBehemoths, DesignRush, and other reputable platforms and IT directories.

Seasia Infotech, a CMMI Level 5 certified software development company, has been delivering innovative solutions for over two decades with the Seasia Agile Model (SAM). Our proprietary SAM, combined with our commitment to leveraging cutting-edge tools and technologies, sets us apart in the market, ensuring we deliver unparalleled value and quality in our software solutions. Here are more reasons to choose Seasia Infotech as your trusted software development partner: Future-Ready Solutions: Our forward-thinking strategies equip your business for future challenges. Data Security Priority: We prioritize rigorous data protection measures to safeguard your sensitive information. Global Talent Pool: Our diverse team of experts from around the world brings a wealth of perspectives and skills. Continuous Learning Culture: We are committed to ongoing education and skill enhancement, ensuring our team remains at the forefront of technology trends, delivering the best to you. Sustainable Practices: We emphasize eco-friendly and sustainable software development methodologies. Beyond software development, our services include: Mobile App Development Web Development Staff Augmentation IoT and Cloud Computing IT Outsourcing Artificial Intelligence Solutions Quality Assurance UI/UX Implementations Low-Code / No-Code Development With a proven track record working with industry leaders like Harley Davidson, Mahindra, Adani, Flipkart, BD, Assurant, Dr. First, Sumeru, and Massachusetts Medical Society, we consistently deliver solutions that exceed industry standards.

SENLA is a fast-growing software development company with a proven track record and 5 EU locations. Our team of 700+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit.  For more than 10 years of operation we have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries. Careful quality control, timely delivery and lifetime warranty have helped us win the loyalty of almost 90% of our clients who have decided to cooperate with us on a regular basis. Services: - custom software development - Web/mobile app development - IT staff augmentation - UX/UI Design - CRM consulting and SI - enterprise app modernization - BI& Big data consulting &SI Get in touch with us and scale your business fast and effortlessly

Design-thinking web development team We are Solar Digital, a full-cycle design and web development company. We help businesses to grow and minimize the time of staff, scale and automate processes, and launch products through result-oriented development.  Our services: – Brand Identity development – Web and Mobile UX/UI design – Web & Mobile Applications – Creative Promo Websites – Full-stack development – E-commerce Development – MVP for Startups – Business Analysis and Quality Assurance – Custom CRM and Task Managers – Analytical Portal with Big Data – Logistics Transport Solutions – FinTech Solutions – TravelTech Solutions What's the outcome? Achieving your business goals and stable growth. – Startups that we made successfully reached an Exit and M&A – We developed a logistics product that helped grow x23 times in just 2 years – We design a custom CRM that saves the time of 25 managers – Our works received 100+ world-famous awards

Eleventh Tech is a custom software development agency dedicated to transforming businesses through innovative, tailored solutions. We empower companies to enhance their services, improve efficiency, and build meaningful connections with their target audiences. As a full-service development firm, we specialize in web application development and website design, delivering high-quality, customized solutions designed to meet the unique needs of each client. Our expertise spans various industries, including retail, healthcare, e-commerce, finance, education, and real estate. Whether you’re looking to streamline operations, improve customer engagement, or launch a cutting-edge digital product, Eleventh Tech is here to bring your vision to life.  

We are one of the most chosen  IT firm that offers major solutions and puts forward the supreme effort to transform industries and generate the highest revenue. Ezulix Software Private Limited proves all mentioned qualities true being the best custom software and website development company in India. To create and grow the client's business and start-ups, a spectacular team of dedicated specialists is equipped with top-notch services. Ezulix Software offers services-  Custom software development Website development  Mobile app development (Android and iOS) Fintech software development and API services  Food delivery and booking software  Cab booking software development AEPS software  Fantasy sport software CRM software  Recharge software 

PixelCrayons is an award-winning digital consulting and engineering firm that offers end-to-end software solutions to enterprises, ISVs, digital agencies, and startups. Founded in 2004, PixelCrayons has serviced over 5400 customers from 38+ countries, with a 97%+ client retention rate. Based in India, PixelCrayons is highly acknowledged for its agile/DevOps development process, SLA-driven approach, and on-time project delivery. Some of the services that PixelCrayons provides are: •  Software Engineering     Consulting     Web development     Mobile development     Custom software development     Software product development     SaaS product development     Website development     MVP development     Maintenance and migration     Modernization     Quality assurance and testing     DevOps •  Digital Marketing     SEO     PPC     Social media marketing     Content marketing     Email marketing     Online reputation management     Conversion rate optimization •  Digital Transformation      Consulting     Cloud Services     Machine Learning     Workflow Automation     Chatbot Development     Data Analytics & Insights     Blockchain Development     Robotics Process Automation (RPA) •  eCommerce     Consulting     Development     Implementation     Magento Development     B2B & B2C Portal Development     Migration     Maintenance & Management •  Hire Dedicated Teams     Backend     Frontend     Digital Marketing     eCommerce & CMS     Mobile         DevOps     QA & Testing     Full Stack & Frameworks Industries that PixelCrayons serves are: •  Fintech •  Education and eLearning •  Retail and eCommerce •  Healthcare •  Media and Entertainment