FiberLight
Founded 2005 · $370.0M raised
- Founded
- 2005
- Business Model
- B2B
- Website
- fiberlight.com
- Total Funding
- $370.0M
- Last Round
- $350.0M Growth EquityFeb 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
FiberLight is a fiber optic network operator that has built and operated business-grade networks for more than 20 years, growing out of Thermo Telecom Partners' rebrand of the XFG network. The company operates more than 20,000 route miles of dark and lit fiber across densely populated metros, fast-growth tech hubs, and under-served rural areas. FiberLight serves telecom carriers, ISPs, utility operators, government agencies, and enterprises throughout Texas, Florida, Georgia, Maryland, Virginia, and Washington D.C. with high-bandwidth connectivity, data center interconnection, and cross-border routes into Mexico.
Summary
FiberLight is a Telecommunications company, founded in 2005. It has raised $370.0M in total across 3 rounds, most recently a $350.0M Growth Equity round in Feb 2026.
Funding History
Feb 2026
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Funding: Private Equity through Growth Equity. Amounts, valuations, and investors where available.
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