Technology & Telecommunications

Dark-Fiber Network Services: Market Size, Growth & Forecast to 2030

The Dark-Fiber Network Services market is valued at about $7.78 billion (2026) and is projected to grow at a 11.5% CAGR through 2030. The largest cost driver is Civil construction and permitting (60% of spend). North America leads demand at 45%.

Market size
$7.78 bn (2026)
CAGR to 2030
+11.5%
Buyer power
Favours buyers
Tracked suppliers
85

Projected market growth to 2030

Market size index, 2026 = 100, at the 11.5% CAGR.

1721481241001002026111.52027124.32028138.62029154.62030172.32031

Cost structure

Civil construction and permitting
60%
Optical fiber materials and cabling
15%
Right of way access fees
15%
Network engineering and project management
10%

Regional demand split

North America demand
45%
Asia Pacific demand
30%
Europe demand
15%
Rest of world demand
10%

Key suppliers

Zayo Group Holdings Inc.AT&T Inc.Verizon Communications Inc.Lumen Technologies (formerly CenturyLink & Level 3 Communications)Crown Castle International Corp.Windstream Holdings Inc. (Kinetic by Windstream)GTT Communications Inc.Comcast Corporation
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Claight market analysis of proprietary and public data. Full report: /category-intelligence/dark-fiber-network-services