What Brennan Enterprises does

Brennan Enterprises is a family-owned window and door replacement company headquartered in Arlington, Texas, founded by Kerry Brennan in 1979. The company sells and installs a multi-brand portfolio of windows and exterior doors under its own Brennan Windows label and through exclusive and platinum-tier dealer relationships with Andersen (Platinum Select Dealer), NT Window (exclusive Traditions program), Centor (sole DFW Integrated Door Systems dealer), ProVia, and Alside. Its product range spans multiple material categories (vinyl, wood, aluminum, Fibrex, fiberglass, steel) and window/door styles (single hung, double hung, casement, picture, sliding, awning, bow, specialty shape, lift-and-slide, folding, French, pivot, front). After 40 years as a multi-trade remodeler, the company narrowed its focus exclusively to windows and doors in 2019 and now serves the Dallas-Fort Worth and Houston metro areas from its Arlington headquarters and a second location opened in Stafford, Texas in 2025.

The company operates a hybrid go-to-market model combining in-home design consultations (its primary sales channel), a physical showroom, a Matterport virtual showroom, and a self-service instant online pricing tool, with a separate inside sales team handling supply-only and new construction orders. Customer segments are led by residential homeowners seeking replacement windows and doors, with a secondary trade channel serving architects, builders, contractors, and DIYers via no-minimum supply-only orders. Revenue is generated one project at a time on unit pricing, with replacement project minimums of $2,000 and financing options including same-as-cash and deferred-payment plans. The company reports a 50,000+ customer base accumulated over 47 years, 250+ five-star reviews, an A+ BBB rating since 1982, and a No. 33 ranking on Door and Window Market Magazine's 2025 list of the nation's top door- and window-only dealers. Brennan is led by Cameron Brennan (CEO, second generation), with Kerry Brennan remaining active as Founder and Owner, and 23 total staff across sales, operations, and installation.

Name

Brennan Enterprises

Legal name

Brennan Enterprises

Website

https://brennancorp.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

11–50 employees

Short description

Brennan Enterprises is a family-owned Texas window and door replacement company founded in 1979, serving residential homeowners and trade customers in the Dallas-Fort Worth and Houston metros from a 23-person team with multi-brand and own-brand product offerings.

Ownership category

akta.pro rank

Product category

Window and Door Replacement Services

NAICS

Other Building Material Dealers (44418)

akta.pro primary industry

Outdoor Kitchens & Built-In BBQ Construction (HSAPALAE)

akta.pro secondary industries

Outdoor Mounting & Assembly (patio furniture, pergolas, sheds kits) (HSAGAHAI), Automotive, Tools & Industrial Supplies (B2B) (CRAEAEAH)

Keywords

• Window replacement services
• Exterior door installation
• Residential remodeling services
• Window and door supply
• Home improvement contractor

Headquarters

HQ city

Arlington

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Marketing or Sales, Supply Chain, Infrastructure

Revenue model

1. Turnkey Window and Door Replacement: Complete replacement services including made-to-order windows and/or doors plus professional installation. Products are customizable to customer preferences and include supply and installation as a bundled service.
2. Supply-Only Orders: Products sold without installation services for self-managed projects. No minimum order requirements. Targeted at architects, builders, contractors, and DIYers. Competitive pricing for volume and professional clients.
3. Design-Build Services: Custom project services for patio enclosures, wall-to-door conversions, and other transformations requiring expert design and installation team coordination.
4. New Construction Supply: Quality and competitively priced solutions for builders and contractors on new construction projects. Dedicated team established in 2018 for this segment.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels8 records

Core offering

Brennan Enterprises is a window and door replacement dealer and installer that sells made-to-order residential windows and exterior doors from premium brands (Andersen, NT Window, Alside, ProVia, Centor) alongside its own Brennan Windows (Brennan Traditions) line, bundled with professional measurement and installation. It also runs a dedicated New Construction & Supply-Only Division serving architects, builders, contractors, and DIYers, with no minimum order requirements, and offers custom design-build projects such as patio enclosures and wall-to-door conversions. Projects start at $2,000, supported by an instant online pricing tool, virtual showroom, and multiple financing options.

Product overview

Brennan Enterprises is a window and door replacement company serving Texas homeowners, builders, and contractors since 1979. The company offers a comprehensive portfolio of window and door products across multiple material categories (vinyl, wood, aluminum, Fibrex, fiberglass, steel) and style options (single hung, double hung, casement, picture, sliding, awning, bow, specialty shapes, folding, French, sliding patio, lift-slide, pivot, and front doors). The company operates as both a product dealer (carrying Andersen, ProVia, Centor, NT Window, and Alside brands) and a branded product provider (Brennan Windows including exclusive Traditions windows). Services include replacement installation, design-build projects, and supply-only options for new construction and DIY projects. The company serves the Dallas-Fort Worth and Houston metro areas from headquarters in Arlington, Texas.

Differentiator

Problem solved

Functional benefit

Brands

• Brennan Traditions: A vinyl window brand offered by Brennan Enterprises
• Brennan Windows

Products and services

• Window Replacement Service Turnkey window replacement service for Texas homeowners, bundling made-to-order windows from premium brands with professional in-house measurement, removal, and installation by Brennan technicians. Projects start at $2,000 and include options across vinyl, wood, aluminum, and Fibrex materials and multiple window styles.
• Exterior Door Replacement Service Turnkey exterior door replacement service for homeowners, covering entry, patio, sliding, French, pivot, folding, and lift-and-slide door styles in fiberglass, wood, vinyl, aluminum, Fibrex, and steel. Includes product supply, professional measurement, and installation by Brennan's in-house team.
• Design-Build Windows & Doors Service Custom design-build project service for complex window and door transformations, including patio enclosures, wall-to-door conversions, and large opening expansions requiring expert design and installation team coordination.
• New Construction & Supply-Only Window and Door Supply
• Brennan Windows (Brennan Traditions) Brennan's own branded vinyl window line, featuring Brennan Traditions windows that are exclusive to the DFW and Houston markets. Built on the exclusive NT Window Traditions partnership awarded to Brennan in 2010.
• Andersen Windows and Doors Premium Andersen window and door product line carried by Brennan, including E-Series, A-Series, 100 Series, 200 Series, and 400 Series, plus Andersen residential entry doors and pivot doors. Brennan holds Andersen's Platinum Select Dealer status, the highest tier in the Circle of Excellence program.
• NT Window NT Window vinyl windows sold by Brennan under an exclusive Traditions Windows program partnership awarded in 2010 for Best-in-Class Service. NT Window is one of Brennan's largest Texas window partners and the source of Brennan Traditions branded windows.
• Centor Doors Centor Integrated Door Systems sold by Brennan as the first and only dealer in DFW since 2016. Centor is one of the world's leading folding door manufacturers.
• ProVia Doors ProVia residential entry doors and storm doors offered through Brennan, including ProVia Signet Fiberglass Front Doors and ProVia Legacy Steel Front Doors.
• Alside Windows & Doors Alside vinyl and aluminum windows and doors offered through Brennan, providing a balance of quality and affordability for value-oriented projects.

Quantifiable outcome

• Over 60% of business comes from repeat customers and referrals
• +3 more outcomes

Named customers6 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Six partnerships are on record, tiered core and minor.

• CentorcoreChannel Partner/ Reseller/ Distributor · 1 January 2016Became the first—and only—dealer of Centor's Integrated Door Systems in DFW in 2016. Centor is one of the world's leading folding door manufacturers. Brennan is the sole representative of Centor in the Dallas-Fort Worth market.
• Milgard Windows (prior to MI Windows acquisition)minorChannel Partner/ Reseller/ Distributor · 1 January 2016Prior to being acquired by MI Windows, Milgard awarded Brennan Enterprises the title of largest Milgard Windows dealer in all of Texas in 2016. Milgard no longer offers product lines in Texas, but comparable window brands are available.
• NT WindowcoreChannel Partner/ Reseller/ Distributor · 1 January 2010Awarded exclusive Traditions Windows program for Best-in-Class Service in 2010. Brennan Enterprises is the only window dealer in the Dallas-Fort Worth and Houston markets where Traditions windows can be purchased. Also partnered on Windows of Opportunity program providing free windows to Texas homeowners.
• Andersen Windows and DoorscoreChannel Partner/ Reseller/ Distributor · 1 January 2008Brennan Enterprises became one of Andersen's largest partners in Texas and achieved Platinum Select Dealer status—Andersen's highest level in their Circle of Excellence program. In 2008, Brennan was approached to become a Renewal by Andersen dealer for DFW but declined to maintain their multi-brand approach and product selection flexibility.
• ProViaminorChannel Partner/ Reseller/ DistributorProVia doors offered through Brennan Enterprises including Signet Fiberglass Doors and Legacy Steel Doors. ProVia is a manufacturer of residential entry doors and storm doors.
• Alside Windows & DoorsminorChannel Partner/ Reseller/ DistributorAlside Windows & Doors products available through Brennan Enterprises. Alside is a manufacturer of vinyl windows, aluminum windows, and doors.

Scale indicators8 records

Recent moves11 records

Expansion highlights5 records

Broad incumbents

• Andersen Windows & Doors: Manufacturer of Brennan core-supplied window lines (E-Series, 100/200/400 Series, Fibrex) and parent of Renewal by Andersen franchise; competitor at the product level while also a key Brennan supplier.
• JELD-WEN: Large national manufacturer of windows and doors (including IWP, Pozzi, and other brands) selling through dealer and retail channels; competes in the same product categories as Brennan with much broader portfolio.
• Pella Windows & Doors: Large national window and door manufacturer with company-owned showrooms and certified dealer network including Texas presence; competes on product but is broader/more diversified than Brennan's specialist model.
• Marvin Windows and Doors: Premium national window and door manufacturer with a certified dealer network; competes in the high-end replacement segment where Brennan positions itself but does not specialize exclusively in replacement.

Direct peers

• Window Nation: Mid-Atlantic and Midwest-focused replacement window company with in-home sales, manufacturing partnerships, and installation crews — comparable scale and operating model to Brennan but in different geographies.
• Window World: Largest direct-to-consumer replacement window franchise in the U.S., operating company-owned and franchise locations nationwide including Texas. Most direct competitor to Brennan's replacement window + installation model with similar in-home consultative sales.
• Renewal by Andersen: National Andersen-owned replacement window franchise that Brennan actually declined to join in 2008; competes head-to-head in the premium replacement window segment with similar consultative, in-home selling approach.
• Champion Window: National manufactured-and-installed replacement window and door company with company-owned locations across multiple U.S. metros; comparable vertically-integrated model to Brennan with broader geographic reach.

Others

• ProVia: Manufacturer of Brennan-supplied Signet fiberglass and Legacy steel entry doors; comparable at the product level but operates as a dealer-supplier partner rather than a competitor to Brennan.
• NT Window: Brennan's exclusive partner for Traditions windows in DFW and Houston; comparable at the product level but functions primarily as a supplier rather than a competitor to Brennan's replacement and installation service.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/BrennanEnterprises
• Facebookfacebook.com/BrennanEnterprises
• LinkedInlinkedin.com/company/brennanenterprises
• Instagraminstagram.com/brennan_corp
• Pinterestpinterest.com/brennancorp/_created
• Xx.com/brennancorp

Revenue estimate

Valuation estimate

Number of profiles

Profiles24 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 Brennan Enterprises