UK TL;DR

  • 5.97% of global OnlyFans traffic from the UK — second only to the US
  • $531M estimated UK fan spend in 2025 — #2 globally
  • Fenix International Ltd is UK-registered, files at Companies House
  • Online Safety Act in full enforcement — age verification mandatory
  • ~85% mobile share — slightly above global average
Six-tile snapshot of OnlyFans in the UK in 2025: 22.5 million fan accounts, $531 million gross spend, 280 thousand creator accounts, 5.97 percent traffic share, 12 percent creator share, and $23.60 ARPU
UK footprint at a glance, 2025 estimates. Creator share (~12%) runs roughly 2× traffic share (5.97%) — the UK is OnlyFans's home market and remains its largest creator base outside the US. SVG · PNG

Market size and significance

With 5.97% of traffic share and $531M in estimated 2025 spend, the United Kingdom is OnlyFans's clear #2 market — over 5x larger than #3 Canada on spend. The UK's outsized position reflects three factors: deep mainstream penetration of the platform, Fenix International's UK domicile (which makes the home market commercially central), and a mature subscription-payment infrastructure.

The Online Safety Act and what it means

OnlyFans is regulated in the UK under the Online Safety Act (OSA), which came into full enforcement during 2024–2025. For OnlyFans specifically, OSA enforcement requires:

  • Robust age verification at signup — third-party ID/age checks, not just self-declaration.
  • Content moderation transparency reporting — quarterly disclosures of takedowns and processing volumes.
  • User reporting and complaint mechanisms — meeting Ofcom-defined response-time standards.
  • Risk assessments — formal documentation of platform risk around CSAM, terrorism content, and other priority harms.

Fenix International has been comparatively well-positioned for OSA enforcement because the company adopted strict ID verification several years earlier than most peers. Compliance costs are nonetheless real and contribute to the ~4% profit-growth slowdown visible in the FY2024 filing.

UK audience profile

The UK audience tracks the global age and gender distribution closely, with two minor differences:

  • The 25–34 cohort runs slightly larger in the UK (~37%) than the global average (35.5%)
  • Female fan share is slightly higher (~12%) than the global 10% average
  • Mobile share is marginally higher (~85%) than global (84.1%)

UK Similarweb ranking

OnlyFans sits in the top 100 most-visited UK websites by Similarweb's panel measurement, ranking comparably to mainstream consumer sites — a function both of UK fan engagement depth (5.99 pages per visit) and the volume of UK-resident creators on the platform.

UK creator ecosystem

UK creators are over-represented relative to UK fan share. The combination of a mature creator-economy ecosystem (talent agencies, accountants, payment infrastructure all built for OnlyFans creators), the platform's UK domicile, and supportive press coverage during the platform's growth years has made the UK one of the densest creator ecosystems globally — a legacy advantage that competing platforms have struggled to replicate.

Sources

  • [SIMWEB-2025] Similarweb — UK traffic share, ranking, device split.
  • [SENSOR-2025] Sensor Tower — UK fan spend estimate ($531M 2025).
  • [OFCOM-2025] UK Ofcom — OSA enforcement and transparency reporting.
  • [FENIX-2024] Fenix International — UK Companies House FY2024 filing.

Related

Geo All countries Country-by-country breakdown. Country United States 49% of traffic, $2.64B spend. Region Europe EU aggregate + growth markets. Year 2024 fiscal year Audited Companies House filing.