Top Tech Startups in United Kingdom in 2026

Resonate Pulse is a SAAS platform that enables our enterprise clients to monitor and action customer feedback real-time, where it happens, when it happens. Both in the front-line and the strategy teams we help re-shape the business. We make sure to put the end-customer front and centre, and help create that differentiatior every business needs.

Kaedim is a fast-growth AI startup solving the hard problem of 2D to digital 3D reconstruction. We are the first tech startup with a product in the market producing ready-to-use digital 3D models for game developers to use in their production pipelines and we currently support more than 200 game studios in production allowing for a 10x speedup compared to traditional methods.

Askria leverages real-time feedback, machine learning and human experts to make smarter decisions faster.

Data Theorem is a leading provider in modern application security. Its core mission is to analyze and secure any modern application anytime, anywhere.

Sigma is SaaS, next-generation business intelligence and data exploration platform that is disrupting the analytics landscape. Sigma offers a spreadsheet-like interface that enables all decision makers to securely analyze up to billions of rows of live data with the unlimited scale and speed of the cloud. Sigma is backed by Sutter Hill Ventures which brought Sumo Logic, Pure Storage and Snowflake to IPO. Simply speaking, Sigma connects to the cloud warehouse of the users, shows the selected tables in the spreadsheet form, lets them do aggregation, filtering, sorting and editing, and then provides the necessary tools to create visualizations and build dashboards.

Alloy is a smart identity solution that helps companies in financial services and other regulated industries safely onboard more “good” customers without introducing any additional fraud into their systems. We’re a five-year-old, fully funded financial technology startup based in NYC and backed by venture capital firms that have taken countless companies to IPO like Bessemer Venture Partners, Primary Venture Partners, Eniac Ventures, and others. We’re the leading provider of digital identity management and support innovative FinTech companies, and top tier banks to manage KYC, AML, and other components of client onboarding. Alloy’s single API enables its clients to access over 50 third party data sources in real-time to improve decision-making and streamline client experiences.

Tech platform that helps businesses access foreign currencies and make cross-border payments . With Verto a business can access up to 39 currencies and make payments to suppliers in more than 200 countries at a fraction of the cost of the using banks and services such as Paypal or Transferwise.

Quality AI will help healthcare providers save more lives through better, faster screening and detection. Aival bridges the gap between clinicians and AI vendors, allowing an AI system to be properly analysed and monitored, and to give healthcare professionals the confidence needed to know it will work at a local site and for their patients. Using Aival's software, clinicians and decision makers can evaluate different AI products quickly, and choose the ones which offer greatest clinical benefit for their patients. We were formed in 2020 and are funded by Antler, The British Robotics Seed Fund and Innovate UK.

We're on a mission to make good health last a lifetime. More than 1 billion people live with obesity worldwide, driving preventable chronic conditions. We're here to build better long-term care. Eucalyptus is now part of Hims & Hers, the global leader in personalised health and wellness. Euc is the company behind Juniper, one of the world's largest weight-management programs combining GLP-1 medication with personalised nutrition, movement support, and clinician-led care from prescribers, nurses, health coaches, pharmacists, and dietitians. Our published clinical research shows that our combined clinical and behavioural approach helps patients lose significantly more weight during their treatment with Juniper by four times. Our Growth Story: 130% YoY revenue growth and a 90% reduction in cash burn - culminating in our $1.15bn acquisition by Hims & Hers in 2026, giving us the platform to take long-term care global Supported over 350k patients living with obesity across our 5 markets Received selective NICE endorsement to provide services to the NHS Tailored our offering to thousands of patients in Australia, the UK, Germany, Japan and Canada.