What Cosmos Surfaces does

Cosmos Surfaces is a US-based wholesale distributor of premium surfacing materials serving the residential and commercial interior construction market. Founded in 2005 in Kent, Washington as Cosmos Granite & Marble and rebranded in 2020, the company is a 2nd-generation family-owned private business that operates 9 showroom locations across the United States (spanning the West Coast, Mountain West, Southeast, and Pacific Northwest markets). Its product portfolio spans four categories: engineered quartz slabs, natural stone (quartzite, marble, granite), large-format porcelain slabs, and the proprietary Mariner premium sink line introduced in 2019, with the Opulith sub-brand added in 2020.

The business operates a B2B sales-led distribution model: Cosmos sells stone slabs primarily to fabricators, contractors, and interior designers, while assisting homeowners in slab selection and routing them to fabricators of their choice for processing and installation. Tiles and sinks are sold directly to retail buyers at showroom locations. Pricing is quote-based and not publicly disclosed; the company differentiates on physical access (showrooms for hand-selecting slabs), an industry-leading 10-year warranty on Cosmos Quartz, and curated access to exotic and exclusive natural stone materials sourced globally. Marketing is built around educational blog content, an inspiration gallery, and newsletter capture to drive showroom traffic.

Cosmos has executed a measured, multi-year expansion strategy — adding roughly one to three new showroom locations per year on average since 2007, reaching 9 listed locations as of the most recent data — while building out complementary product categories beyond its original granite and marble core. The company is privately held, has no external venture or private equity backing disclosed, and operates with a small headcount (11-50 employees) consistent with a lean, family-run distribution enterprise.

Name

Cosmos Surfaces

Legal name

Cosmos Surfaces

Website

https://cosmosurfaces.com

Company type

Private

Founded year

2005

Operating status

Operating

Headcount range

11–50 employees

Short description

Cosmos Surfaces is a 2nd-generation family-owned US wholesale distributor of premium stone slabs (quartz, quartzite, marble, granite, porcelain) and the Mariner sink line, operating 9 showrooms nationwide and selling primarily to fabricators, contractors, and designers.

Ownership category

akta.pro rank

Product category

Stone Surface Materials

akta.pro primary industry

Kitchen & Bath Surfaces (Backsplash, Wall Panels, Specialty Tile) Showrooms (CRAIAFAJ)

akta.pro secondary industry

Countertop Fabrication & Installation (Stone/Quartz/Solid Surface) (HSAPAIAE)

Keywords

• Natural stone surfaces
• Engineered quartz slabs
• Porcelain slab distribution
• Stone countertop materials
• Premium sink products

Headquarters

HQ city

Kent

HQ country

United States

HQ region

North America

Offices9 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Stone Slab Sales: Revenue from selling stone slabs including quartz, quartzite, marble, granite, and porcelain to fabricators and industry professionals.
2. Tile Sales: Direct sales of tile products to customers at showroom locations.
3. Sink Sales: Direct sales of sinks including the proprietary Mariner premium sink line.
4. Mariner Premium Sink Line: Premium sink brand introduced in 2019, sold as part of the product portfolio.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Cosmos Surfaces is a manufacturer and distributor of natural stone, fabricated stone, semi-precious stone, tile, and sinks. The company sources and supplies slabs of quartz, quartzite, marble, granite, and porcelain, along with its proprietary Mariner® premium sink line, operating more than 15 showrooms across the USA. Sales are executed primarily to fabricators and industry professionals, with showrooms also supporting homeowners in slab selection.

Product overview

Cosmos Surfaces is a B2B wholesale distributor of premium stone surfaces operating over 15 showrooms nationwide. The company offers a unified product portfolio consisting of Quartz (engineered stone slabs), Natural Stone (quartzite, marble, granite), Porcelain Slabs (large format surfaces), and Mariner® Sinks. The products connect designers and fabricators with exotic, exclusive, and exceptional stone materials for residential and commercial surface applications.

Differentiator

Problem solved

Functional benefit

Brands

• Mariner®: Premium Sink Line introduced in 2019.
• Opulith

Products and services

• Cosmos Quartz (engineered quartz slabs) Engineered quartz slabs available in polished and leathered finishes. Quartz counters are resistant to stains, scratches, and routine wear and do not require sealing, sold to fabricators and industry professionals with showroom support for slab selection.
• Quartzite (natural stone slabs) Natural quartzite slabs supplied to fabricators, contractors, and designers for premium residential and commercial surfacing applications.
• Marble (natural stone slabs) Natural marble slabs supplied to fabricators, contractors, and designers for premium residential and commercial surfacing applications.
• Granite (natural stone slabs) Natural granite slabs supplied to fabricators, contractors, and designers for premium residential and commercial surfacing applications.
• Porcelain Slabs Large-format porcelain surface materials suitable for various residential and commercial surfacing applications, sold to fabricators and industry professionals.
• Mariner® Premium Sink Line Proprietary premium stone sink product line introduced in 2019, including styles such as Vortex, Ezra, Nekoda, Orion, and St Clair, sold to complement stone surface installations.
• Opulith surface products brand Opulith is a wholly-owned surface products brand within Cosmos Surfaces' portfolio, introduced in 2020 alongside the corporate rebrand.
• Tile products Tile products sold directly to customers at Cosmos Surfaces showroom locations across the USA.

Quantifiable outcome

• 10-year product warranty on Cosmos Quartz

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators2 records

Recent moves13 records

Expansion highlights4 records

Direct peers

• MSI (M S International): The largest US distributor of natural stone, quartz, tile, and flooring with a national showroom network. MSI is the most direct comparable to Cosmos's B2B distribution model and surface category coverage.
• Arizona Tile: US distributor of natural stone, quartz, porcelain, and tile with multiple showroom locations serving fabricators and contractors. Closely comparable to Cosmos in product mix and B2B fabricator-channel motion.
• Stone Source: US distributor of natural stone, porcelain, and architectural surfacing products with showroom presence in major design markets. Comparable in curated stone/porcelain offering and design-channel customer base.
• Marble & Granite Inc: US natural stone, quartz, and porcelain slab distributor serving fabricators and homeowners with showroom locations in the Northeast. Comparable to Cosmos in core stone/quartz distribution focus and trade-channel go-to-market.
• Bedrosians Tile & Stone: Family-owned US distributor of tile, natural stone, and surfacing products with showrooms across multiple states. Comparable to Cosmos in product breadth, family-owned heritage, and showroom-driven B2B sales.
• Pental Surfaces: US distributor of natural stone, quartz, and porcelain slabs serving the Pacific Northwest and West Coast with showrooms. Direct comparable to Cosmos in geography, product mix, and fabricator-focused sales motion.

Broad incumbents

• Dal-Tile (Mohawk Industries): Largest US tile manufacturer and distributor under Mohawk Industries with a national distribution network. Broader incumbent offering tile, stone, and quartz across multiple price tiers via a much larger infrastructure.
• Cambria: US-based manufacturer of engineered quartz surfaces with company-owned galleries and a trade-partner program. Comparable in premium quartz positioning, though Cambria is a vertically integrated manufacturer.
• Levantina: Spanish multinational natural stone producer and distributor with showrooms across the US. Comparable in natural stone product range and trade-channel distribution.
• Caesarstone: Global manufacturer of engineered quartz surfaces sold through dealer and distributor networks. Comparable as a quartz brand competing in the same channel, though Caesarstone is a manufacturer rather than a distributor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries2 records

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 Cosmos Surfaces