20 Best Startups in Belfast to Watch in 2025

The Definitive Seedtable Ranking of Startups in Belfast

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 20 start-ups with an aggregate funding of $300.0m. The average funding per company in this subset is $15.0m.

Last update to the database: Feb 18, 2025. See changelog.

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1

Funding Rounds

$1.7m

Money raised

A natural language machine company that creates conversational artificial intelligence for businesses. It has offices in London, England and Hong Kong and was founded in 2016.

8

Funding Rounds

$80.6m

Money raised

Cloud-native artifact management platform for supply chain security.

Location:

Key people:

5

Funding Rounds

$8.6m

Money raised

Software for consolidating and re-engineering data, allowing business users to access information from multiple formats.

1

Funding Rounds

$100.0m

Money raised

A provider of financial technology managed services, hedge fund technology and IT infrastructure products.

3

Funding Rounds

$21.8m

Money raised

B-Secur is a Belfast-based company founded in 2014 by Ben Carter.

Location:

Key people:

2

Funding Rounds

$2.8m

Money raised

Platform to measure and track brain activity and cognitive performance for anyone, anytime, anywhere.

2

Funding Rounds

$4.1m

Money raised

Axial3D transforms pre-operative planning and patient outcomes through advanced medical imaging.

Location:

Key people:

4

Funding Rounds

$16.9m

Money raised

Neurovalens is a global health-tech company that creates non-invasive neurostimulation products used to solve some of the world's greatest health challenges.

1

Funding Rounds

Sophia is a company founded in 2012.

2

Funding Rounds

$2.4m

Money raised

Causeway Sensors Limited is a company that uses nanotechnology to provide candidate selection during drug development.

1

Funding Rounds

$1.0m

Money raised

Platform enabling customers to earn rewards by paying with their bank card through new bank-linking technology.

1

Funding Rounds

$909.2k

Money raised

Sensum is an artificial Intelligence company founded in 2012 by Gawain Morrison.

1

Funding Rounds

$3.3m

Money raised

Ocular pharmaceuticals and drug delivery solutions company specializing in eye treatments.

1

Funding Rounds

$670.0k

Money raised

Pitchbooking offers a marketplace to simplify the bookings process for sports facilities

Location:

1

Funding Rounds

$2.7m

Money raised

Sonrai Analytics Ltd is an AI for scientific data analysis founded in 2018 by Darragh McArt.

2

Funding Rounds

$18.0m

Money raised

AI-powered 3D medical imaging and patient-specific solutions provider.

3

Funding Rounds

$3.6m

Money raised

SideQuest is a company founded in 2020.

1

Funding Rounds

$5.2m

Money raised

Ocula Technologies is an AI-driven ecommerce solutions provider founded in 2021 by Thomas McKenna.

Location:

Key people:

1

Funding Rounds

$8.3m

Money raised

Cumulus Neurosciences is a platform for integrated physiological and digital biomarkers founded in 2015.

1

Funding Rounds

$17.5m

Money raised

Deep Labs Ltd is a Belfast-based company founded in 2017.

Location:

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