Top Series B Companies in the UK 2026

London-based AI chip maker developing semiconductor technology.

Improbable is building a platform that enables a developer to easily create real-time, persistent...

Signal AI is a risk and reputation intelligence company that uses proprietary AI to analyze 2 bil...

UK on-demand quick-commerce delivering groceries and essentials from dark stores to consumers.

Provides enterprise-grade stablecoin payments infrastructure enabling businesses to send, receive...

Clinical-stage biopharmaceutical company developing novel T cell immunotherapies for immunology a...

Tripledot Studios is a London-based mobile game studio known for casual games like Woodoku, Solit...

Pheon Therapeutics develops next-generation Antibody-Drug Conjugates (ADCs) targeting hard-to-tre...

Boutique specialist reinsurance broker focused on large clients with complex and challenging insu...

AviadoBio is a biotechnology company developing transformative gene therapies for neurodegenerati...

AI-powered pricing and underwriting platform for commercial P&C insurers that helps actuaries and...

Since 2018, Xelix has been a pioneer in the Accounts Payable audit and controls space.

Full stack energy company lowering energy costs and accelerating abundance through renewable infr...

Institutional-grade crypto accounting, loan management, and tokenization compliance platform for ...

Underwriting firm specialising in cyber reinsurance, providing underwriting, structuring, and cap...

Embedded payment processing platform for marketplaces and platforms with split payment automation.

Construction technology startup

AI assistant for in-house legal teams that automates contract review, drafting, and legal workflo...

AI-driven biotech developing next-generation menin inhibitors and small-molecule therapeutics for...

Developer of a smart money application designed to help people save money. The company's platform...

Biotech company harnessing native mass spectrometry and chemistry to discover small molecule drug...

Clinical-stage biotech developing antigen modulation therapies targeting cancer, autoimmune condi...

Europe's largest B2B wholesale marketplace for health and beauty products, connecting retailers w...

AI-native consumer law firm combining experienced lawyers with proprietary technology to deliver ...

Aztec develops an ethereum trading protocol that enables private transactions across the public b...