Top London App development Companies (30)
BlackLine gives you the innovation of AI-powered software solutions you need to optimize workflows, reduce risk, and prepare for tomorrow’s strategic F&A challenges. BlackLine is the leader in the cloud financial close market and the first and only holistic solution to address intercompany operations. Companies can execute and manage financial close, intercompany, and invoice-to-cash processes with end-to-end transparency and intelligent automation. They can shift their focus from governance to guidance and deliver strategic business outcomes faster and with greater control. Since our founding in 2001, BlackLine has become a leading provider of cloud software that automates and controls critical accounting processes. BlackLine is ranked No.5 globally on The Software Report’s 2023 ‘Top 100 Software Companies’ list and earned ‘Top Rated’ awards in Accounting, Financial Close, and Accounts Receivable from TrustRadius. BlackLine was also named to Newsweek’s ‘Most Loved Workplaces’ lists in the US (2022) and UK (2023). BlackLine is trusted by thousands of companies across all industries and geographies. Headquartered in Woodland Hills, CA, BlackLine is a global company with operations in locations including Pleasanton, New York, London, Paris, Bengaluru, Frankfurt, Tokyo, Singapore, and Sydney. Leading companies like SiriusXM and Domino’s trust BlackLine to close faster with complete and accurate results.
American Express Global Business (Amex GBT) is the world’s leading B2B travel platform, providing software and services to manage travel, expenses, meetings & events for companies of all sizes. Our solutions include: Egencia: the leading software as service travel platform for small and medium-sized enterprises (SMEs). Ovation: the solution synonymous with high-touch travel service. The Neo Technology Group: a technology-focused team that builds cloud-based travel solutions. Meetings & Events: providing solutions for a single meeting or an entire meetings portfolio. Global Business Consulting: customized services to help clients optimize their travel program.
Ranked among Top 5 UK Blockchain companies and top 10 AI companies, 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 of AI and Blockchain. We see tech as a means to an end. The end? To help companies scale rapidly by expanding their tech, onboarding new customers, gaining valuable feedback, and ultimately achieving market fit. With over 30,000 hours in development, 200+ projects live, and 13 branches worldwide, we make world-class tech affordable. Converting the elusive 'what if' into the tangible 'what is'. Our commitment to providing exceptional services shows in our performance across North America, Asia, South America and Europe within various aspects: Achievements: - Pixelette Technologies is the official Secretariat of the British Government on AI policy (APPG AI) and previously blockchain (APPG Blockchain). Sponsored by Deloitte, KPMG, EY, PwC, Barclays, Unilever, BT, HP, Google, Microsoft and more. - Awarded as Top 20 ‘Blockchain Solution Companies’ worldwide and Top 5 in the UK - Awarded ‘Best AI Agency’ in the UK three times by the Scottish Business Awards. - Secured over £100M in funding through MVPs for various start-ups. Past projects: - AI and Blockchain solutions for Mcdonald's, GMC, Chrysler, Ram, Dodge, Fiat, Lytics, Sandoz and more. - NFT projects such as Polka Legends DAO, Beowulf, Buttersmiles 10K, Charles Salvador Bronson’s NFT collection, etc. Our team: - We have a team of 200+. 90% rank in the top 5% according to LinkedIn skills test data and Glassdoor reviews. - Our senior management holds top 1% (Top Voice) ranks globally on LinkedIn for AI, Blockchain and Marketing. - We hire exclusively through TopTal, Turing, Crossover, etc. Reach out to us at [email protected] to get started.
We are an award winning software design and development agency, trusted by a mix of large organisations, brands, as well as the most ambitious startups. Our products have been used by millions and received widespread critical acclaim. Established in 2016 off the back of our first major exit as founders, Tech Alchemy exists to provide technical expertise to businesses at all stages. Building a tech venture, have a project or require an enterprise solution? For more business queries, email us at [email protected] or visit us at https://www.techalchemy.com/ Our highlights: - Built products featured by Apple, AWS, BBC, Forbes, Product Hunt, Red Dot, Yahoo Finance - Taken home 10+ industry awards - Supported multiple startups raise a combined £100M+ from MVPs and prototypes we've built - Integrated solutions compatible with the likes of Lexis Nexis, Paypal, AWS, Currency Cloud and Fireblocks We are ranked as one of the world's top-rated software engineering companies globally. We use our deep domain knowledge to develop solutions using both traditional and emerging technologies. Blockchain specialists: We have expertise in blockchain, AI, and emerging technologies to build truly innovative products. Alongside Amazon, Meta, Accenture and Coinbase, we have a portion of the scarce number of blockchain programmers worldwide. Our dedicated in-house engineers enable us to operate responsively to changing client requirements.
Apptension is a creative dev shop focused on helping founders and investors design, build, and launch their digital products. We have years of experience working with our products, MVPs, and Series A/B startups to NASDAQ companies. Partnering with us not only means we deliver your software but also that we will share all the experiences from dozens of successfully shipped ventures. We've been blazing the trails of SaaS startups since 2012. We become your trusted technical partner, from planning and designing to testing and monitoring. Our clients appreciate our smooth and transparent process - that's why 95% of them came back for more.
World Wide Technology is a systems integrator, provides information technology and supply chain solutions. Fueled by creativity and ideation, World Wide Technology strives to accelerate our growth and nurture future innovation. From our world class culture, to our generous benefits, to developing cutting edge technology solutions, WWT constantly works towards its mission of creating a profitable growth company that is a great place to work. We encourage our employees to embrace collaboration, get creative and think outside the box when it comes to delivering some of the most advanced technology solutions for our customers. At a glance, WWT was founded in 1990 in St. Louis, Missouri. We employ over 9,000 individuals and closed nearly $17 Billion in revenue. We have an inclusive culture and believe our core values are the key to company and employee success. WWT is proud to announce that it has been named on the FORTUNE "100 Best Places to Work For®" list for the 12th consecutive year!
Spectralink delivers secure, cost-effective mobile communication solutions that empower enterprises to streamline operations, increase their revenues and deliver a positive customer experience – each and every time. Since 1990, Spectralink has deployed millions of devices worldwide across the retail, healthcare, hospitality and manufacturing sectors – providing workers with the industry’s most efficient, in-building communications.
Founded in 2015, Idiosys Tech is a premier provider of comprehensive digital solutions, specializing in web development, mobile app development, e-commerce development, digital marketing, SEO, and social media marketing services for global clients. Our team of experts is proficient in cutting-edge technologies such as React, Node.js, MongoDB, Angular.js, Laravel, WordPress, YII, and CodeIgniter, enabling us to deliver innovative and effective solutions. We have successfully served clients across various sectors including healthcare, education and e-learning, logistics and transportation, banking and finance, media and entertainment, and publishing and advertising. At Idiosys Tech, we are committed to driving business growth and success through our tailored digital services, ensuring each client receives the best possible outcomes in their respective industries.
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We're a global community of bold visionaries and resourceful doers who are shaping the future of Dropbox—and with it the future of work. Our Virtual First model combines the flexibility of a distributed workplace with the power of human connection, making space for both meaningful work and meaningful relationships. With our start-up mindset and enterprise-level opportunities, you can be who you are and grow into who you’re meant to be. Here, you can own your impact to make work more intuitive, joyful, and human—for you as a Dropboxer and for hundreds of millions of people worldwide. If you're ready to push boundaries—and yourself—Dropbox is ready for you.
At Zfort Group, we empower businesses with cutting-edge technology and innovative solutions. Our expertise spans AI, blockchain, web development, and mobile applications — helping you stay ahead in a fast-evolving market. Our Services Custom AI Development We deliver tailored AI solutions designed to solve complex business challenges and unlock new growth opportunities. Our AI expertise includes: Machine Learning Models – Enhance decision-making with predictive insights. Neural Network Solutions – Improve accuracy and efficiency through deep learning. Computer Vision – Automate visual data analysis for smarter operations. Intelligent Automation – Streamline workflows and boost productivity. Blockchain and NFT Marketplace Development We build secure, scalable blockchain ecosystems to power decentralized applications. Our NFT marketplace solutions provide: Secure Transactions – Fast, seamless, and reliable payment processing. Smart Contracts – Automate and secure complex agreements. Engaging User Interfaces – Ensure a smooth, intuitive user experience. Web Development We create high-performance websites tailored to your business needs. From custom builds to WordPress platforms, we optimize for: User Experience – Fast loading, intuitive navigation, and responsive design. E-commerce Integration – Streamlined store creation and payment processing. Scalability – Support for growing traffic and expanding product lines. Mobile App Development We design feature-rich, user-friendly mobile apps built to engage and retain your audience. Our mobile solutions include: Fitness and Health Apps – Inspire user engagement and habit formation. E-commerce Apps – Enhance shopping experiences with seamless transactions. AI-Powered Solutions – Deliver smarter interactions and personalized experiences. Business and Marketing Technology We harness AI to drive marketing precision and business growth. Our solutions include: Automated Workflows – Reduce manual effort and increase efficiency. Data-Driven Targeting – Improve customer engagement through smart insights. Scalable Systems – Adapt to evolving business needs with ease. Comprehensive Digital Innovation We provide strategic consulting and development to drive digital transformation. Our blockchain-powered solutions enable:
Since 1998, Itransition has delivered a full spectrum of software consulting and development services across various industries, including healthcare, fintech, retail, IT, automotive, and telecommunications. With a team of over 3,000 experienced engineers, we serve 800+ customers, including SMBs and Fortune 500 enterprises from 40 countries across the world. Our deep expertise in web and mobile application development, cloud and DevOps services, data analytics and BI, robotic process automation and AI, among others, enable us to handle software projects of any scale and complexity effectively. Since 2008, Itransition has been included in the Global Outsourcing 100 list by IAOP, showcasing the world’s best IT outsourcing service providers. Since 2018, Itransition has been recognized in Zinnov Zones as a leading E R&D Services, Digital Services, and Automotive E R&D Services provider. In 2021, Everest Group positioned Itransition among 25 leading software development companies in their PEAK Matrix™ Assessment. The company also took a stronghold in Deloitte’s Technology Fast 500 list.
Ambl puts the PULSE back into your City by empowering you to live in the moment and take advantage of every opportunity for adventure. With Ambl, you have instant access to available top-rated restaurants and bars in town, then book on the spot. No more missed opportunities or tedious planning - Ambl liberates you from the constraints of scheduling and enables you to experience life to the fullest. It's time to drink, dine and discover on YOUR terms Where next?
At AQE Digital, we are passionate about simplifying the complexities of modern business through innovative software solutions. In a fast-paced, technology-driven world, we help organizations cut through the noise and connect more meaningfully—with their teams, their customers, and their goals. Our mission is simple: make digital experiences seamless, intuitive, and truly helpful. We believe that when technology works for people—not the other way around—businesses can unlock new levels of growth, collaboration, and efficiency. Whether it's improving workflows, enhancing customer experiences, or creating smarter tools, we focus on solving real problems with practical, scalable solutions. At the core of our work is a desire to empower businesses to harness the full potential of everyday interactions. We see every touchpoint—every click, every conversation, every user journey—as an opportunity to create something extraordinary. It’s not just about coding software or launching products; it’s about transforming how people experience the digital world. This vision is grounded in our belief that technology should feel human. We all interact with digital tools and platforms every day, and we know firsthand how frustrating it can be when those experiences fall short. That’s why we design with empathy, build with purpose, and measure success by the impact we have on people’s lives. At AQE Digital, we’re not just building better software—we’re creating a better digital future, one meaningful interaction at a time.
Backed by talented professionals and their expertise, we deliver dependable services in web development, app development, software creation, and digital transformation.
ELEKS is the partner of choice for many of the world's leading enterprises, SMEs and technology challengers. We help businesses elevate their value through custom software development, product design, QA and consultancy services. We deliver high tech innovations to Fortune 500 companies, big enterprises and technology challengers, improving the ways they work and boosting the value they create for the modern world. Our 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe, the US and UK, provide our clients with a full range of software services. These include dedicated teams, product development, R&D and technology consulting. For more information, please visit: eleks.com
Founded in 2013 in San Francisco, MobileAction is a pioneer in app analytics and the growth partner of apps and games for organic and paid user acquisition. It is the go-to platform for app marketers aiming for the top charts on the App Store and the Google Play Store, trusted by industry giants like Meta, Square, Zalando, Playtika, and Adidas. MobileAction lets users automate and optimize Apple Search Ads campaigns with advanced, AI-driven solutions, offers professional support and custom solutions, and gives them access to data intelligence to sharpen their competitive edge. With data from 90M+ creatives, 6M+ keywords, 5M+ apps, 100K+ publishers, and 500K+ advertisers, MobileAction enables app marketers to step into the future of app optimization.
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Confluent is pioneering a fundamentally new category of data infrastructure focused on data in motion. Our cloud-native offering is the foundational platform for data in motion --- designed to be the intelligent connective tissue enabling real-time data, from multiple sources, to constantly stream across the organization. With Confluent, our customers can meet the new business imperative of delivering rich, digital customer experiences and real-time business operations. Our mission is to help every organization harness data in motion so they can compete and thrive in the modern world.
SuperPenguin offers a dual-benefit platform: empowering clinicians with tools for effective therapy management and providing families with personalised, engaging home-based support. This enhances therapy outcomes and operational efficiency. Existing digital therapeutic solutions have yet to achieve broad adoption in the speech therapy market. Our proprietary technology allows for rapid content development and seamless integration of client-specific requirements. In other words, we can accommodate any condition, content requirement, or feature a clinic might need, all under one roof.
"Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth. Launched in 2019, addressing software service companies, startups and ISVs, increasingly varying and evolving needs for qualified software engineers. Upstaff provides expert AI, Web3, Software, and Data engineers to drive business transformation and growth. We excel in solving complex technical challenges, scaling projects, and optimizing system performance through our curated engineering talent pool and in-house expertise. With over 20 years of experience in software engineering, our managed service extends beyond talent matching. We offer comprehensive support in product development, system optimization, team composition, ongoing management, and resolving technical issues. Whether you’re launching new initiatives or optimizing existing systems, Upstaff delivers measurable, impactful results. Upstaff platform, upstaff.com has been launched in 2019, addressing software companies, startups, and ISVs increasingly evolving and changing needs for qualified software engineers. The platform has evolved from a software consulting and team augmentation business, started in 2015 by a group of experienced software engineering executives and businessmen. Upstaff is incorporated in London, UK, with offices and delivery facilities in Paris (France), Valencia (Spain) and Manheim (Germany), Kyiv, Lviv, Kharkiv (Ukraine), leveraging partnerships with over 3000 expert individuals and companies in Europe, Americas and Asia. "
Persistent Systems is a leading provider of digital transformation services, offering innovative solutions tailored to various industries worldwide. With a robust global presence, they deliver cutting-edge services in product engineering, digital strategy, and data analytics, helping businesses thrive in today's rapidly evolving landscape. From healthcare and financial services to retail and manufacturing, Persistent Systems empowers organizations across diverse sectors to embrace technology and drive sustainable growth.
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