Companies using X Ads in the United Kingdom: 1,811 found
Of the 17,089 companies using X Ads we found, 1,811 are headquartered in the United Kingdom (11%). The biggest group sells Nonprofits & NGOs (8.1%). 10% have more than 1,000 employees.
- 1,811
- companies using X Ads
- 11%
- of all 17,089 X Ads advertisers in our data
- 10%
- have 1,000+ employees
- 8.1%
- Nonprofits & NGOs
Who they are
Every company in this group, by sector, business model, size. Sector and business-model tags can overlap.
Companies using X Ads in the United Kingdom
20 of the 1,811, ordered by LinkedIn following. Inclusion means a detected tag, not a confirmed active campaign.
| Company | Industry | Size | HQ | Seen in |
|---|---|---|---|---|
bp bp.com | Oil, Gas & Mining | 10,001+ | United Kingdom | Tag manager |
Rolls-Royce rolls-royce.com | Aerospace & Defense | 10,001+ | United Kingdom | Tag manager |
The London School of Economics and Political Science (LSE) lse.ac.uk | Higher Education | 1,001–5,000 | United Kingdom | Tag manager |
Oxfam oxfam.org.uk | Nonprofits & NGOs | 5,001–10,000 | United Kingdom | Tag manager |
Hack The Box hackthebox.com | Cybersecurity | 201–500 | United Kingdom | Tag manager |
Tide tide.co | Banking | 1,001–5,000 | United Kingdom | Tag manager |
Tenth Revolution Group tenthrevolution.com | HR, Staffing & Recruiting | 1,001–5,000 | United Kingdom | Tag manager |
Aston Martin Lagonda Ltd astonmartin.com | Automotive & Mobility Manufacturing | 1,001–5,000 | United Kingdom | Tag manager |
Control Risks controlrisks.com | Management & Strategy Consulting | 1,001–5,000 | United Kingdom | Tag manager |
Savills savills.com | Real Estate (brokerage & services) | 10,001+ | United Kingdom | Tag manager |
Cambridge International Education cambridgeinternational.org | K-12 & Higher Education | 501–1,000 | United Kingdom | Tag manager |
ElevenLabs elevenlabs.io | AI / ML | 501–1,000 | United Kingdom | Tag manager |
Financial Conduct Authority fca.org.uk | Government & Public Sector | 1,001–5,000 | United Kingdom | Tag manager |
BSI bsigroup.com | Management & Strategy Consulting | 1,001–5,000 | United Kingdom | Live on site |
Mindshare mindshareworld.com | Advertising & Media Agencies | 5,001–10,000 | United Kingdom | Live on site |
AVEVA aveva.com | Enterprise Software | 5,001–10,000 | United Kingdom | Tag manager |
Wood Mackenzie woodmac.com | Data & Analytics | 1,001–5,000 | United Kingdom | Tag manager |
Jellyfish jellyfish.com | Advertising & Media Agencies | 1,001–5,000 | United Kingdom | Tag manager |
Taylor & Francis Group taylorandfrancis.com | Publishing & News | 1,001–5,000 | United Kingdom | Tag manager |
Deliveroo deliveroo.co.uk | Last-Mile & Delivery | 1,001–5,000 | 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 X Ads in the United Kingdom: common questions
How many companies in the United Kingdom use X Ads?
1,811, as of 7 November 2026 — 11% of the 17,089 companies we found carrying the X Ads 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 on X?
They include bp, Rolls-Royce, The London School of Economics and Political Science (LSE), Oxfam and Hack The Box. The table on this page shows 20; the full list has all 1,811.
What do these X Ads advertisers sell?
Nonprofits & NGOs (142 companies), Events & Experiences (135) and SaaS / Cloud (111) are the largest sectors among the 1,749 we could classify.
How big are they?
10% have more than 1,000 employees; the most common size band is 11–50 employees.
How do you know a company runs X Ads?
We find the X Ads 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 X Ads study page.
Sell to the 1,811 companies running X Ads 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.