Top Tech Startups in United Kingdom in 2026

At Permutive, we believe companies should be able to make big data actionable by anyone. We make this easy with a single, edge computing platform that’s used by the largest publishers in the world. Our API lets our customers programmatically collect, store, filter and react to any user event in real time; by providing a powerful query layer that means they can personalise every user experience on the fly. Our technology is fundamentally different. Every day we process billions of events across hundreds of millions of users - and we give results in milliseconds. We’ve built the world’s fastest Data Management Platform and the implications are huge.

At pubGENIUS we build software that helps great ideas become real products. We’re a US-based development company founded by a former Microsoft engineer, and we’ve been remote since day one. Our team is fully distributed across 10 countries from the U.S. to Europe, Asia, and Africa and we believe that where you live should never limit where you can build. What sets us apart? Our standards: -We value deep knowledge, strong engineering skills, and clear communication. Our hiring process is intentionally tough we select just 1 out of every 1,200 applicants to make sure we build a team that can consistently deliver great work, fast. What unites us is our passion for technology, our love for clean code, and our commitment to helping startups bring their visions to life. Since 2018, we’ve worked on 80+ projects, supported founders from day zero, and helped raise over $15 million in funding for early-stage startups. Whether you’re building your MVP or scaling your product, we’re here to make it happen with speed, quality, and the care of a real partner. What We Do: - We have a solid and proven track record building: - Web applications:SaaS platforms, e-commerce, healthcare, fintech, e-learning, CRMs, and more. - Mobile apps: high-performing apps on iOS and Android using React Native (plus native integrations). - Fractional CTO: Strategic support to help you choose the right tech stack, set up scalable architecture, and move faster without hiring full-time. Who We Work With: Whether you're in healthcare, e-commerce, education, AI, fintech, or something entirely new, our sharp-minded engineers can tackle any complexity. We don’t limit ourselves by industry we’re here to solve real problems with clean, scalable code. How We Think: We’re trying staying ahead. Every decision we make from architecture to stack selection is designed to ensure that the products we build will stand the test of time and evolve with your business.

We built a nationwide legal services platform that helps law firms and pro se parties gain access to more efficient, transparent, and accessible legal services that are not traditionally available. Our main services are Service of Process and E-Filing .We currently serve over 2,000 law firms throughout the US, as well as countless pro se parties.

We empower GTM leaders to build a consistent brand across every customer touchpoint. Our automated language generation and writing suggestions make it possible for teams to accelerate content, align brand, and empower more writers across all types of content and communications. Enterprise-class and simple to roll out, Writer is deployed widely at leading brands like Twitter, Intuit, UiPath, UnitedHealthcare, Accenture, and Spotify.

Ably provides an infrastructure layer to handle complex, behind-the-scenes realtime communication that powers things like chat, live updates in maps or apps, IoT device control, and more. There's no infrastructure to provision or manage - just simple yet powerful and versatile SDKs and APIs that let you quickly add innovative realtime capabilities to your application with a few lines of code.

We're a team of machine learning and product engineers training task-specific generative models for psychology. Our mission is to use AI to make mental healthcare more accessible and to help people change their lives in the ways they want. We partner with organizations around the globe and power use cases, including AI-assisted crisis text response and AI counseling, while securing best-in-class datasets to power our models. Success to us means every human being in need of support having somewhere to go. We're a well-funded, seed-stage startup backed by top-tier tech investors involved in ElevenLabs, Captions, Shopify, Plaid, Notion, Canva, Twitch, Airtable, and others. We're building a powerful team by empowering our engineers with the autonomy, flexibility, and resources to do their best work. We dream big and iterate fast. If that sounds like home, we'd love to hear from you. The Team Daniel started coding at age 8 and started training models in high school. At 16, he dropped out of high school and moved to London to pursue his study and research. He graduated university top of his class at 19 and was awarded ‘distinguished’ by Imperial for his post-grad research in AI for mental health. As an ML Engineer, he led Instabase’s pivot into GenAI. He raised $6M pre-team at age 22 to develop the tools for training task-specific generative models that now power our machine learning research. Neil dropped out of medical school to co-found Casper, the sleep company, which he helped grow to $500M+ in revenue and IPO’d in 2020. Improving wellbeing through sleep led him to mental health, where he joined the board of [PsychHub](psychhub.com). He’s invested in 200+ companies like Ro, Affirm, Relativity, Archer, Figure, and Together.AI. Our team has expertise in model training, product engineering, and psychology. Our engineers includes team leaders who have joined us as individual contributors, two former CTOs, and collective experience from across Big Tech.

Martal Group is a top lead generation & sales agency servicing B2B tech companies. We are a turnkey solution sales partner generating qualified leads, providing support staff and sales streamlining services, right through to signed contracts. Our team specializes in creating leads for SaaS, IT services and IOT vendors who cater enterprise software, location-based services, search relevance, data annotation, video analytics, consumer insights, sales performance management, cloud backup, fleet management, AI powered applications and other products. We provide managed services for outbound sales, our fractional sales executives, marketing leaders and account managers will help your team in sourcing deals, pitching prospects and winning new business. Our U.S. and Canada based executives serve as an extension of your sales and marketing team; they are sourced to fill your sales teams’ calendar with new business, accelerate your growth and fill gaps in your process. We build weekly prospect lists enriched by intent data. We target decision makers using multiple touch points - email marketing, linkedin messaging, cold calls and trade shows.

MOLTEN is a cloud platform that streamlines core operations of media and entertainment enterprises. MOLTEN digitizes and transforms rights, content, and licensing operations across enterprises, empowering teams with real-time insight and automation tools to do more, accelerating deal-making and content monetization worldwide. MOLTEN offers multiple integrated cloud-based services to power back-end operations for media and entertainment enterprises, which include content rights, storage, delivery and licensing management.

Pallet is building AI Agents to transform logistics — a $12 trillion global industry. We’ve raised $50M from top investors including General Catalyst, Bessemer Venture Partners, and Bain Capital Ventures. In under two years, we’ve achieved 700% revenue growth and are just getting started. Our mission is to increase the efficiency of the global supply chain by automating the manual workflows that slow logistics teams down — from scheduling and appointment setting to data entry and load management. Our flagship platform provides end-to-end visibility, control, and optimization, while our newest product, CoPallet, introduces AI Agents that can understand and execute requests in real time, and integrate directly with customer systems. As logistics providers look to generative AI to drive efficiency, many are turning to Pallet to lead the way. With deep industry expertise and cutting-edge AI capabilities, we’re positioned to build the next $10B company in logistics. Join us and work alongside leaders from Google, DoorDash, YC, and more to shape the future of logistics tech.

We're a community of 5,000,000 authors and freelance publishing professionals. We help authors find top editors, designers and marketers: reedsy.com And we're fully remote! ⛰ Read about our co-founder Matt spending 3 months living and working from the Alps: businessinsider.com/i-live-and-work-in-my-car-heres-how-2018-5. As well as some insights on how we work from our wonderful illustrator Raul: raul-gil.com/project/reedsy. And a bit more about how we started here: starterstory.com/book-publishing-services-marketplace. Find inspiration: reedsy.com/writing Start writing: reedsy.com/studio Improve your craft: reedsy.com/learning Discover new indie books: reedsy.com/discovery If you have any issues applying to one of our roles please visit apply.workable.com/reedsy/?lng=en#jobs or email us at [email protected]