13 Best Startups in Oxfordshire to Watch in 2026

The Definitive Seedtable Ranking of Startups in Oxfordshire

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 13 start-ups with an aggregate funding of $958.5m. The average funding per company in this subset is $73.7m.

Last update to the database: Apr 14, 2026. See changelog.

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2

Funding Rounds

$130.2m

Money raised

Developer of novel therapeutics technology designed to bring significant benefits to patients suffering from a range of auto-immune diseases.

3

Funding Rounds

$127.8m

Money raised

Reaction Engines Ltd is a company working on hypersonic and space access propulsion.

3

Funding Rounds

$143.4m

Money raised

An exosome therapeutics company founded in 2016 and based in Oxford, UK, that uses exosomes to deliver small and large molecule therapeutics. The company has a proprietary technology to modify exosomes to target specific organs such as the brain and central nervous system.

Key people:

7

Funding Rounds

$172.1m

Money raised

Tokamak Energy is a fusion energy producer founded in 2009 by Alan Sykes, David Kingham and Mikhail Gryaznevich.

Key people:

9

Funding Rounds

$125.2m

Money raised

A technology company designing and manufacturing diffractive waveguides for augmented reality devices.

1

Funding Rounds

$144.1m

Money raised

Gigaclear is an Oxfordshire-based telecommunications company founded in 2010.

Industries:

Location:

7

Funding Rounds

$31.4m

Money raised

Oxford Genetics, also known as Oxgene, is a synthetic biology company specializing in DNA design, protein expression optimization and cell line development technologies and services.

1

Funding Rounds

$32.5m

Money raised

TCR-based immunotherapies developer targeting novel dark antigens for cancer patients.

3

Funding Rounds

$14.3m

Money raised

Developer of advanced electric propulsion systems for satellites and spacecraft.

1

Funding Rounds

$8.0m

Money raised

Adaptix is an Oxford-based company developing radiology technologies.

1

Funding Rounds

$7.6m

Money raised

Karus Therapeutics is a company developing cancer therapeutics.

1

Funding Rounds

$18.0m

Money raised

OMass is an Oxfordshire-based company.

Location:

1

Funding Rounds

$4.0m

Money raised

Vivoplex Medical Limited is an Oxfordshire-based company founded in 2015 by Prof. Hywel Morgan, Prof. Ying Cheong and Prof. Nicholas Macklon.

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