A profile · Boulder

Alliance Networks

Boulder, CO · Serves a 29-mile radius · Established 2000

★ 4.5 (75 reviews)

ETHERNET ·FIBER OPTIC ·PHONE / VOIP ·SECURITY CAMERAS

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Illustrative photo for Alliance Networks, a low-voltage installer in Boulder, CO — Stock imagery: illustrative of the work Alliance Networks performs. Real install photography in progress as we feature more pros.

Service area: 29-mile radius around Boulder, CO — *Serves a 29-mile radius around Boulder, CO.*

Boulder's go-to contractor for ethernet & structured cabling and fiber optic. Alliance Networks serves residential and commercial clients across Colorado.

Owner-operator Jonathan Hernandez runs the day-to-day at Alliance Networks, working with the kind of hands-on attention to detail that's gotten the shop 75 verified reviews on WiringInstallers. After 26 years in the trade, the work speaks for itself.

4.5 out of 5 · 75 verified reviews

What they do 4 focused categories of work.

Ethernet & Structured Cabling

Cat5e, Cat6, Cat6A installation and termination for homes and businesses.

Fiber Optic

Single-mode and multi-mode fiber installation, splicing, and testing.

Telephone & VoIP

Phone system cabling, PBX installation, and VoIP infrastructure.

Security Camera Systems

IP camera installation, NVR setup, and surveillance cabling.

Trained and certified 3 credentials, current as of last refresh.

BICSI INST1 /FOA CFOT /OSHA 10

Verified by WiringInstallers · last refreshed June 2026.