What is BIG Fiber?
BIG Fiber specializes in the deployment of high-volume, low-latency dark fiber solutions designed to meet the rigorous broadband demands of large-scale enterprises. Operating a sophisticated metro dark fiber network across the San Francisco Bay Area, Greater Atlanta, and Greater Portland, the company provides the essential physical layer infrastructure required for modern digital operations. Their business model centers on customer-centric network design, facilitating seamless connectivity between data centers and corporate facilities. By prioritizing agility and scalability, BIG Fiber addresses the unique challenges of the evolving digital landscape, ensuring that clients maintain a competitive edge through superior network performance and reliability.
How much funding has BIG Fiber raised?
BIG Fiber has raised a total of $250M across 1 funding round:
Debt
$250M
Debt (2026): $250M with participation from La Caisse and Stonepeak
Key Investors in BIG Fiber
La Caisse
La Caisse is a global investment group managing a diversified portfolio across private equity, infrastructure, and real estate, acting as a long-term capital partner for growth-oriented companies.
Stonepeak
Stonepeak is a leading alternative investment firm specializing in infrastructure and real assets, providing operational support and capital to businesses in the communications and energy sectors.
What's next for BIG Fiber?
Looking ahead, the strategic deployment of this capital will likely focus on network densification and the expansion of service footprints into additional high-growth urban centers. As enterprises continue to migrate critical workloads to the cloud and demand higher bandwidth for AI and data-driven applications, BIG Fiber is positioned to capitalize on the increasing necessity for dedicated, private fiber infrastructure. The company's focus on long-term, sustainable growth, supported by its recent backing, suggests a roadmap centered on operational excellence and the continued development of custom-built network solutions that serve as the backbone for enterprise digital transformation.
See full BIG Fiber company page