Top Series B Companies in the UK 2026

CuspAI is a frontier AI company pioneering the discovery of breakthrough materials to power human...

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

London-based AI chip maker developing semiconductor technology.

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

UK AI-chip startup building optical compute chips to rival GPU incumbents.

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

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...

British maritime defence technology company.

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

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

AAV-based gene therapies for kidney diseases

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.

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

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

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

Provides an end-to-end service to support and guide businesses hiring talent globally

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

LifeBit enables companies to do DNA analysis at scale.

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...