Nearly Three Decades of Roofing Integrity & Technical Excellence
Alliance Roofing Holdings has grown from a specialized Denver crew into a premier multi-state commercial and residential contractor. Our standard is simple: zero shortcuts, strict manufacturer certifications, and complete transparency on every estimate.
The Alliance Quality Standard
Documented process from initial deck inspection to final cleanup
A roof is a complete protective system. We only install premium materials from verified manufacturers like Duro-Last, backed by certified crews trained in rigorous multi-point fastening, ventilation balancing, and waterproof perimeter sealing.
- Full synthetic underlayment on all deck surfaces
- Ice and water shield in all critical valleys and roof edges
- Enhanced 6-nail per shingle pattern for maximum wind uplift ratings
- Meticulous flashing integration around all chimneys and skylights
Licensed & Insured Across 6 Western & Midwestern States
Rapid mobilization for residential re-roofs, commercial new construction, and regional storm damage.
Colorado (HQ) • Kansas • Missouri • Wyoming • Nebraska • New Mexico
Company Milestones
Denver Groundwork
Started with dedicated local residential re-roofs and storm restoration across the Denver metro area.
Duro-Last Master Certification
Expanded into high-performance commercial flat roofing with elite manufacturer credentials and warranties.
Multi-State Expansion
Licensed operations across Colorado, Kansas, Missouri, Wyoming, Nebraska, and New Mexico.
30-Year Heritage & A+ BBB
Thousands of roofs protected with strict safety protocols, transparent pricing, and free estimates.
Why Property Owners Choose Alliance Roofing
Nearly 30 years of storm-tested craftsmanship, manufacturer accreditations, and transparent communication across Colorado and regional territories.
Maintaining an unblemished A+ rating with the Better Business Bureau through transparent estimates and reliable execution.
Authorized for specialized commercial low-slope and flat roofing systems engineered to withstand severe weather.
Comprehensive non-prorated warranties backed directly by premier roofing manufacturers and our workmanship promise.
Your assigned project lead oversees daily progress, site safety, and scheduling from the first inspection to final cleanup.
Ready to Work with Experienced Professionals?
Nearly 30 years of premier roofing excellence across Denver, Colorado, and the greater five-state region. Get accurate pricing and expert guidance with zero sales pressure.
Protect Your Home with Multi-Decade Craftsmanship
From full re-roofs and storm inspections to precision skylights and designer shingle systems, our certified teams deliver reliable shelter and spotless job sites.
Request Your Free Estimate
No obligations. Certified on-site evaluations for Colorado, Kansas, Missouri, Wyoming, Nebraska, and New Mexico.