What GCS Glass & Mirror does

GCS Glass & Mirror is a privately held, founder-operated custom glass fabrication and installation company headquartered in Phoenix, Arizona, with active service locations in Denver, Colorado and Holbrook (Long Island), New York. Founded in 2013 by Brandon Nicastro as Grand Canyon State Glass Design and subsequently rebranded to GCS Glass, the company designs, fabricates, and professionally installs custom frameless glass products — primarily shower doors and enclosures — using tempered glass, laminated tempered glass, and low-iron (Starphire) glass. Its product portfolio spans glass shower enclosures (frameless, curved/bent, steam showers), glass railings for decks/stairs/balconies, glass pool fences, residential and commercial glass partition walls, custom mirrors, and frameless glass wine cellars.

The company's underlying technology combines in-house custom fabrication with proprietary and partner-supplied glass coatings, including the proprietary GCS Armor nano-tech coating (10-year warranty), Crystalline Glass with factory-applied coating (lifetime warranty), and a complimentary Diamond Seal hydrophobic treatment on every shower installation. It also offers EnduroShield and ShowerGuard as premium upgrade options. The company provides ICC-compliant installations meeting local building codes and backs all work with a lifetime craftsmanship warranty.

GCS Glass operates a direct-sales model: customers initiate via website quote form, SMS/text, or phone, receive a quote targeted within five minutes, then engage a full-service workflow spanning in-home consultation, templating, custom fabrication, and professional installation. Revenue is generated through one-time project fees with quote-based pricing; premium coatings and hardware upgrades provide upsell economics. Distribution is exclusively direct, supported by a multi-channel digital marketing approach (content/buying guides, SEO-optimized location landing pages, social media, and online reviews). The primary customer segment is residential homeowners undertaking remodels, with episodic commercial/hospitality projects (Hudson Yards, Wine Spectator, Ocean 44, Property Brothers HGTV) providing brand visibility. Scale commentary cites 17,248+ panels installed, 4,185+ projects, 2,868+ customers, and 1,234+ reviews at a 5/5 aggregate rating.

Name

GCS Glass & Mirror

Legal name

GCS Glass & Mirror

Website

https://gcsglassandmirror.com

Company type

Private

Founded year

2013

Operating status

Operating

Headcount range

11–50 employees

Short description

GCS Glass & Mirror is a custom glass fabrication and installation company serving residential homeowners across Phoenix AZ, Denver CO, and Long Island NY with frameless shower enclosures, glass railings, pool fences, partitions, mirrors, and wine cellars, operating under a direct-sales, quote-based project model.

Ownership category

akta.pro rank

Product category

Custom Glass Fabrication & Installation Services

NAICS

Glass Product Manufacturing Made of Purchased Glass (327215), Glass and Glazing Contractors (238150), Glass and Glazing Contractors (23815)

SIC

Glass Products, Made Of Purchased Glass (3231)

akta.pro primary industry

Glass & Glazing Repair (Single-pane, Insulated Glass Unit replacement) (HSAGAEAD)

akta.pro secondary industries

Tempered & Heat-Strengthened Safety Glass (IMADAHAD), Decorative, Patterned & Privacy Glass (Frosted/Textured/Colored) (IMADAHAG), Specialty Glazing (Acoustic, Blast, Bullet-Resistant, Smart/Electrochromic) (IMADAHAL)

Keywords

• Custom glass fabrication
• Frameless shower doors
• Glass railing installation
• Custom wine cellars
• Glass pool fences

Headquarters

HQ city

Phoenix

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Custom Glass Fabrication & Installation: GCS Glass designs, fabricates, and professionally installs custom frameless glass products including shower doors, enclosures, railings, pool fences, partitions, mirrors, and wine cellars. Revenue is generated through one-time product and installation fees per project, with additional upsell opportunities for premium coatings (GCS Armor, EnduroShield, ShowerGuard) and hardware upgrades.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

GCS Glass & Mirror designs, fabricates, and professionally installs custom frameless glass products for residential and select commercial customers across Arizona, Colorado, and New York. Core offerings include frameless shower doors and enclosures (including curved/bent and steam shower units), glass railings for decks and stairs, glass partition walls, custom mirrors, glass-enclosed wine cellars, and glass pool fences, all backed by a lifetime craftsmanship warranty and a complimentary Diamond Seal hydrophobic coating on showers.

Product overview

GCS Glass & Mirror is a full-service custom glass fabrication and installation company offering a comprehensive portfolio of residential and commercial glass products. The company operates from three main locations (Phoenix, AZ; Denver, CO; and Long Island, NY) and provides end-to-end services from design consultation through professional installation. The core product line centers on frameless glass shower doors and enclosures (including custom frameless glass shower doors, shower enclosures, curved/bent showers, and steam showers), supplemented by glass railings for decks, stairs, and balconies; glass partition walls; custom mirrors; wine cellars; and glass pool fences. All products are backed by a lifetime craftsmanship warranty and feature glass protection options including Diamond Seal hydrophobic coating (complimentary), EnduroShield nano-tech coating (10-year warranty), and ShowerGuard permanent sealing (lifetime warranty). The company also offers GCS Armor as a proprietary coating solution.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Quote delivered in 5 minutes or less via text-based process
• +4 more outcomes

Named customers4 records

Segments1 record

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered minor.

• Heritage VineminorStrategic or Co-development PartnerGCS Glass has partnered with Heritage Vine, described as 'the largest and best wine cellar company out there,' to ensure every aspect around the glass wine cellar is enticing to even the Master Sommelier's palate. The partnership enhances GCS's wine cellar offerings with specialized wine storage expertise.
• HVAC / Climate Control CompaniesminorImplementation/ SI/ Consulting PartnerGCS Glass refers clients to HVAC companies for climate control systems in wine cellars, helping clients select the right cooling units considering cellar size, wine types, and storage requirements.
• Contractors (Wine Cellar Installations)minorImplementation/ SI/ Consulting PartnerGCS Glass works with general contractors and specialty contractors (electricians, woodworkers) for wine cellar installations, especially in basement wine cellar projects requiring coordination of electrical, cooling, and racking work.
• Shower Door Professionals Co-OpminorChannel Partner/ Reseller/ DistributorGCS Glass is a member of the Shower Door Professionals Co-Op, a trade organization for shower door professionals.

Scale indicators7 records

Recent moves13 records

Expansion highlights5 records

Regional players

• DreamWerks Windows & Doors: DreamWerks is a regional custom window, door, and glass installation company serving the Southwest US. Comparable as a regional installation-focused peer operating in overlapping residential and light commercial glass categories.
• Coastal Glass & Mirror: Coastal Glass & Mirror is a regional custom glass fabricator and installer serving Florida with frameless showers, mirrors, railings, and glass partitions. It is comparable as a similar custom glass fabricator/installer focused on a different regional market.
• Shower Doors of Arizona: A Phoenix-area custom shower door and glass enclosure installer. It is a regional direct competitor operating in GCS's flagship Phoenix market with overlapping frameless shower offerings.

Others

• PRL Glass Systems: PRL is a wholesale glass and aluminum systems supplier and also operates fabrication services for shower doors, railings, and mirrors. It is comparable as an upstream supplier/partner to GCS and as an adjacent player offering overlapping fabricated products.
• Renovisions Bath & Kitchen Remodeling: A regional home remodeling firm in the Phoenix area offering bathroom remodels that frequently include custom shower glass installation. Comparable as a downstream channel/adjacent partner where GCS often acts as the glass sub-contractor.
• Cardinal Glass Industries: Cardinal Glass is one of North America's largest architectural glass manufacturers producing float glass, coated glass, and fabricated glass products. It is a key raw material supplier to GCS and an adjacent industry incumbent.

Broad incumbents

• Glass Doctor: Glass Doctor is a national franchise network under Neighborly offering residential and commercial glass repair, replacement, and installation (including shower enclosures). It is a broad incumbent competing with GCS in many of the same markets with a wider service portfolio.

Direct peers

• Aston Bath & Kitchens: Aston manufactures and sells frameless shower doors, glass enclosures, and bath hardware directly to consumers and dealers. It is a direct competitor in the frameless shower door category where GCS focuses much of its business.
• The Frameless Shower Door Company: A specialty fabricator and installer of frameless shower enclosures serving multiple US markets. Comparable as a direct competitor with the same core product focus (frameless shower glass) and installation-led delivery model.
• Heavy Glass: Heavy Glass designs, fabricates, and installs heavy frameless glass shower doors and enclosures nationwide. Comparable as a direct competitor in the premium frameless shower door segment with a similar direct-to-consumer sales-led model.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@gcs-glass
• Facebookfacebook.com/gcsglass
• LinkedInlinkedin.com/company/gcsglassandmirror
• Instagraminstagram.com/gcs_glass
• TikToktiktok.com/@gcsglassmirror
• Xx.com/GCSGlassAustin

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GCS Glass & Mirror