Companies using Outbrain in the United Kingdom: 124 found
Of the 2,290 companies using Outbrain we found, 124 are headquartered in the United Kingdom (5.4%). The biggest group sells Internet Media & Social Platforms (7.4%). 15% have more than 1,000 employees.
- 124
- companies using Outbrain
- 5.4%
- of all 2,290 Outbrain advertisers in our data
- 15%
- have 1,000+ employees
- 7.4%
- Internet Media & Social Platforms
Who they are
Every company in this group, by sector, business model, size. Sector and business-model tags can overlap.
Companies using Outbrain in the United Kingdom
20 of the 124, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
Aon aon.com | Insurance & Insurtech | 10,001+ | United Kingdom | Tag manager |
Rio Tinto riotinto.com | Oil, Gas & Mining | 10,001+ | United Kingdom | Tag manager |
Tide tide.co | Banking | 1,001–5,000 | United Kingdom | Tag manager |
Heriot-Watt University hw.ac.uk | Higher Education | 1,001–5,000 | United Kingdom | Tag manager |
Square Enix square-enix-games.com | Gaming & Esports | 1,001–5,000 | United Kingdom | Tag manager |
Cranfield University cranfield.ac.uk | K-12 & Higher Education | 1,001–5,000 | United Kingdom | Tag manager |
Leica Camera Ltd leica-camera.com | Photography | 11–50 | United Kingdom | Tag manager |
Shelter shelter.org.uk | Nonprofits & NGOs | 1,001–5,000 | United Kingdom | Tag manager |
London Gatwick gatwickairport.com | Passenger Transport & Mobility | 1,001–5,000 | United Kingdom | Tag manager |
The Bicester Collection thebicestercollection.com | Retail (physical / general) | 1,001–5,000 | United Kingdom | Tag manager |
Elliptic elliptic.co | Payments & Fintech | 51–200 | United Kingdom | Tag manager |
Cats Protection cats.org.uk | Pet Services | 1,001–5,000 | United Kingdom | Tag manager |
Hyperoptic hyperoptic.com | Telecom & Connectivity | 1,001–5,000 | United Kingdom | Tag manager |
SunLife UK sunlife.co.uk | Insurance & Insurtech | 51–200 | United Kingdom | Tag manager |
Quotient Sciences quotientsciences.com | Pharmaceuticals | 1,001–5,000 | United Kingdom | Tag manager |
Expert Market - Business Services & Products expertmarket.co.uk | Marketplaces & Sharing Economy | 201–500 | United Kingdom | Tag manager |
Numan numan.com | Digital Health & Telehealth | 201–500 | United Kingdom | Tag manager |
Ann Summers careers.annsummers.com | Retail (physical / general) | 1,001–5,000 | United Kingdom | Tag manager |
Scope scope.org.uk | Nonprofits & NGOs | 1,001–5,000 | United Kingdom | Tag manager |
Oxford Leadership oxfordleadership.com | Management & Strategy Consulting | 201–500 | United Kingdom | Live on site + tag manager |
Every company in this group, with the marketing leaders to contact, refreshed with each monthly scan. Book a call and we'll walk you through it.
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How many companies in the United Kingdom use Outbrain?
124, as of 7 November 2026 — 5.4% of the 2,290 companies we found carrying the Outbrain tag. This counts companies we can tie to a company profile, so it is a floor, not a market total.
Which companies in the United Kingdom advertise with Outbrain?
They include Aon, Rio Tinto, Tide, Heriot-Watt University and Square Enix. The table on this page shows 20; the full list has all 124.
What do these Outbrain advertisers sell?
Internet Media & Social Platforms (9 companies), Publishing & News (9) and Nonprofits & NGOs (8) are the largest sectors among the 121 we could classify.
How big are they?
15% have more than 1,000 employees; the most common size band is 51–200 employees.
How do you know a company runs Outbrain?
We find the Outbrain tag in the company's tag-manager container (attributed to the container's owner) or live on its pages, then match the domain to its company profile. A tag means measurement is set up, not that a campaign is running today. Full method on the Outbrain study page.
Sell to the 124 companies running Outbrain in the United Kingdom
Each one has a marketing team that buys media and measures it. RocketSDR finds the right person at every company on this list and writes the outreach.