Key facts
- CityFibre’s last known valuation is $3.6B (Mar 2023).
- It has raised $13.5B across 1 recorded rounds; the latest was PE Growth/Expansion ($4.4B) in Jul 2025.
- Notable investors include Mubadala Investment Company, Goldman Sachs Asset Management, Antin Infrastructure Partners, Interogo Holding, Invest AD.
- Status: Privately Held (backing).
- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 5 names
- ·Watchlist + deal alerts for CityFibre
Funding rounds
1 roundsAbout CityFibre
Operator of an independent full fiber infrastructure platform and supplier of fiber optic equipment intended to serve service integrators, enterprise and consumer service providers and mobile operators. The company specializes in offering and managing digital infrastructure, enabling clients to provide ultra-fast, reliable and future-proof broadband, ethernet and 5G services to homes and businesses, and other sites such as schools and hospitals.
- Industry
- Fiberoptic Equipment
- Sector
- Information Technology
- HQ
- London, United Kingdom
- Founded
- 2011
- Employees
- 1,672
- Website
- cityfibre.com/
- Ownership
- Privately Held (backing)
CityFibre doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in CityFibre shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on CityFibre in its N-PORT filings yet. We sweep new filings monthly.