Companies using MediaMath in the United Kingdom: 48 found
Of the 829 companies using MediaMath we found, 48 are headquartered in the United Kingdom (5.8%). The biggest group sells Asset & Wealth Management (14%). 31% have more than 1,000 employees.
- 48
- companies using MediaMath
- 5.8%
- of all 829 MediaMath advertisers in our data
- 31%
- have 1,000+ employees
- 14%
- Asset & Wealth Management
Who they are
Every company in this group, by sector, business model, size. Sector and business-model tags can overlap.
Companies using MediaMath in the United Kingdom
20 of the 48, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
Savills savills.com | Real Estate (brokerage & services) | 10,001+ | United Kingdom | Tag manager |
Square Enix square-enix-games.com | Gaming & Esports | 1,001–5,000 | United Kingdom | Tag manager |
Brunel University of London brunel.ac.uk | Higher Education | 1,001–5,000 | United Kingdom | Tag manager |
University of Staffordshire staffs.ac.uk | Higher Education | 1,001–5,000 | United Kingdom | Tag manager |
SOAS University of London soas.ac.uk | K-12 & Higher Education | 501–1,000 | United Kingdom | Tag manager |
Pret A Manger pret.co.uk | Restaurants & Food Service | 10,001+ | United Kingdom | Live on site |
University of Bradford bradford.ac.uk | Higher Education | 1,001–5,000 | United Kingdom | Tag manager |
Cardiff Metropolitan University cardiffmet.ac.uk | Higher Education | 1,001–5,000 | United Kingdom | Tag manager |
HCA Healthcare UK hcahealthcare.co.uk | Hospitals & Health Systems | 1,001–5,000 | United Kingdom | Tag manager |
Hill Group UK hill.co.uk | Construction & Contracting | 501–1,000 | United Kingdom | Tag manager |
Mazars in the UK mazars.co.uk | Accounting & Tax | 1,001–5,000 | United Kingdom | Tag manager |
interactive investor ii.co.uk | Asset & Wealth Management | 501–1,000 | United Kingdom | Tag manager |
Brit Insurance britinsurance.com | Insurance & Insurtech | 501–1,000 | United Kingdom | Live on site |
Vauxhall Motors Ltd vauxhall.co.uk | Automotive & Mobility Manufacturing | 1,001–5,000 | United Kingdom | Tag manager |
Citation Professional Solutions citation.co.uk | Legal Services & Legaltech | 201–500 | United Kingdom | Tag manager |
Village Hotels village-hotels.co.uk | Hotels, Lodging & Travel | 1,001–5,000 | United Kingdom | Live on site + tag manager |
London Square londonsquare.co.uk | Real Estate Investment & Development | 201–500 | United Kingdom | Tag manager |
Soho Theatre sohotheatre.com | Arts, Culture & Live Entertainment | 51–200 | United Kingdom | Tag manager |
Liontrust Asset Management PLC liontrust.com | Asset & Wealth Management | 51–200 | United Kingdom | Tag manager |
Chiltern Railways chilternrailways.co.uk | Passenger Transport & Mobility | 501–1,000 | United Kingdom | 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.
Book a call →company_tech on gtm.dev →Companies using MediaMath in the United Kingdom: common questions
How many companies in the United Kingdom use MediaMath?
48, as of 7 November 2026 — 5.8% of the 829 companies we found carrying the MediaMath 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 MediaMath?
They include Savills, Square Enix, Brunel University of London, University of Staffordshire and SOAS University of London. The table on this page shows 20; the full list has all 48.
What do these MediaMath advertisers sell?
Asset & Wealth Management (6 companies), Medical Practices & Clinics (5) and Real Estate Investment & Development (5) are the largest sectors among the 43 we could classify.
How big are they?
31% have more than 1,000 employees; the most common size band is 1,001–5,000 employees.
How do you know a company runs MediaMath?
We find the MediaMath 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 MediaMath study page.
Sell to the 48 companies running MediaMath 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.