17 Best Adtech Startups in Uk to Watch in 2025

The Definitive Seedtable Ranking of Adtech Startups in Uk

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 17 start-ups with an aggregate funding of $154.6m. The average funding per company in this subset is $9.1m.

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

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2

Funding Rounds

$9.0m

Money raised

Spirable is a company founded in 2014 by Ger O'Meara.

2

Funding Rounds

$2.6m

Money raised

Writesonic is an India-based software company developing tools to help marketing teams write better marketing copy.

Key people:

2

Funding Rounds

$10.0m

Money raised

Relative Insight is a company founded in 2012 by Phil Greenwood.

Key people:

3

Funding Rounds

$15.7m

Money raised

Freespee is a company founded in 2009.

3

Funding Rounds

$12.4m

Money raised

Pi Datametrics is a company founded in 2003.

2

Funding Rounds

$1.9m

Money raised

Brainient is a company founded in 2009 by Emi Gal.

Industries:

Key people:

2

Funding Rounds

$20.0k

Money raised

Novalia is a company founded in 2006 by Kate Stone.

3

Funding Rounds

$27.5m

Money raised

LoopMe is an artificial Intelligence company founded in 2012.

3

Funding Rounds

$17.4m

Money raised

Videoplaza is a United Kingdom-based company founded in 2007 by Alfred Ruth.

Industries:

Location:

Key people:

1

Funding Rounds

$48.4k

Money raised

UpCloo is a United Kingdom-based company founded in 2012 by Walter Dal Mut.

Location:

Key people:

3

Funding Rounds

$19.1m

Money raised

Platform enabling media companies to increase their subscription revenue.

1

Funding Rounds

$646.1k

Money raised

WalkABit is a company founded in 2018 by Michał Zieliński.

Key people:

1

Funding Rounds

$11.6m

Money raised

Ocean Outdoor is a company founded in 2007.

2

Funding Rounds

$9.7m

Money raised

Mtivity is a United Kingdom-based company.

1

Funding Rounds

$375.0k

Money raised

AI-powered brand-building platform.

3

Funding Rounds

$629.6k

Money raised

Red Advertising is a United Kingdom-based company founded in 2018.

1

Funding Rounds

$16.0m

Money raised

Databerries Ltd is a United Kingdom-based mobile advertising company founded in 2017.

Industries:

Location:

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