Blairs Limited

What Blairs Limited does

Blairs Limited, trading as Blairs Windows & Doors, is a UK fenestration manufacturer founded in 1908, operating from Greenock in Inverclyde with manufacturing facilities in Glasgow. The company designs and produces timber, aluminium, and PVCu windows and doors for the UK construction market, running a vertically integrated supply chain that spans product design, fabrication, and customer-facing specification support. Output is bespoke and quote-based rather than catalogue-driven, reflecting project-specific dimensions, materials, and security or thermal-performance requirements.

The company serves a dual customer base. On the B2B side, its primary customers are main contractors, developers, housing associations, architects, builders, and joiners specifying windows and doors for residential and commercial schemes. On the B2C side, it supplies home-owners directly, supported by an active social media presence that functions as a marketing and lead-generation channel. The business is privately held and operates with approximately 16 staff.

Blairs maintains a substantial certification stack including Secured by Design (police-preferred specification), CE marking, ISO 14001 (environmental management), ISO 18001 (occupational health and safety), BWF (British Woodworking Federation), MIB, and CMS. These accreditations position the business for security-sensitive housing-association, public-sector, and commercial tender work, and represent a non-trivial barrier for new entrants seeking to compete on equivalent specification eligibility.

Name

Blairs Limited

Legal name

Blairs Windows & Doors

Website

https://blairsltd.co.uk

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Blairs Limited, trading as Blairs Windows & Doors, is a UK fenestration manufacturer founded in 1908 that produces timber, aluminium, and PVCu windows and doors for main contractors, developers, housing associations, architects, builders, joiners, and home-owners.

Ownership category

akta.pro rank

Product category

Fenestration Products

NAICS

Wood Window and Door Manufacturing (321911), Metal Window and Door Manufacturing (332321)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442), Lumber & Wood Products (No Furniture) (2400), Wholesale-Lumber, Plywood, Millwork & Wood Panels (5031), Flat Glass (3211), Retail-Building Materials, Hardware, Garden Supply (5200)

akta.pro primary industry

Architectural Glazing & Fenestration (Curtain Wall, Windows, Storefronts, Skylights) (IMAFAMAC)

akta.pro secondary industries

Architectural & Building Glazing Systems (Curtain Wall/Storefront/Canopies) (IMADAHAB), Interior Doors (IMADAIAB), Doors, Windows & Millwork Retail (Interior/Exterior Doors, Windows, Moulding) (CRAIAEAI)

Keywords

• Timber window manufacturing
• Aluminium door fabrication
• PVCu fenestration systems
• Energy efficient glazing
• Heritage window supply

Headquarters

HQ city

Greenock

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Windows and Doors Sales: One-time sale of manufactured timber, aluminium, and PVCu windows and doors to trade and retail customers. Revenue generated through project-specific quotations and direct product sales.

Go-to-market motion2 records

Distribution channels4 records

Marketing channels6 records

Core offering

Blairs Limited manufactures and supplies timber, aluminium, and PVCu windows and doors from its UK facilities in Greenock and Glasgow. The company designs, fabricates, and delivers fenestration systems including heritage timber products, thermally efficient aluminium systems, and PVCu windows/doors with energy-efficient glazing for trade, commercial, architectural, and residential customers across the United Kingdom.

Product overview

Blairs Windows & Doors is a UK-based manufacturer offering three distinct product lines: Timber, Aluminium, and PVCu windows and doors. The timber range includes traditional sash & case windows, casement windows, double swing, tilt & turn, bespoke windows, external doorsets, heritage doors, and fire-rated doors (FD30/FD60). The aluminium line features windows, bi-fold & sliding doors, shopfront systems, automatic entrance doors, curtain walling, and WarmCore™ thermally efficient systems. The PVCu range includes the 070 Gold System, fully reversible windows, composite doors, Kommerling sliding doors, conservatories & orangeries, and sunroom & warm roof solutions. All products feature energy-efficient glazing and are backed by over 100 years of British manufacturing expertise, serving sectors including main contractors, builders & joiners, architects, developers, housing associations, and homeowners.

Differentiator

Problem solved

Functional benefit

Brands

• Blairs Aluminium: Aluminium windows and doors manufacturing division operating from Glasgow, UK

Products and services

• Timber Windows & Doors

Quantifiable outcome

• Certified performance and delivery certainty on construction projects

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators3 records

Recent moves3 records

Expansion highlights3 records

Direct peers

• Crittall Windows: UK heritage steel and aluminium window and door manufacturer with a strong specification-grade and heritage-project positioning. Direct peer given Blairs' comparable emphasis on heritage, certified performance, and aluminium curtain wall / commercial offerings.
• Origin: UK aluminium bi-fold, sliding door, and window specialist serving trade and residential new-build. Comparable to Blairs' aluminium product line (bi-folds, sliders, windows) and its focus on premium thermal performance.
• VELFAC: Danish-owned manufacturer of aluminium-timber composite windows and doors with a UK specification presence. Closely comparable to Blairs on multi-material (aluminium-clad timber) construction, premium positioning, and architect/housing association target segments.
• Senior Architectural Systems: UK aluminium fenestration systems supplier for windows, doors, and curtain wall. Comparable to Blairs Aluminium's commercial curtain walling, shopfront, and aluminium window offerings in the UK specification market.
• Schüco UK: German systems brand's UK operation supplying aluminium and PVCu window, door, and façade systems. Comparable to Blairs on aluminium curtain walling and commercial shopfront screens, though operating primarily as a systems supplier rather than a fabricator.
• The Heritage Window Company: UK specialist manufacturer of heritage timber windows and doors for conservation and period properties. Direct peer on Blairs' timber sash & case, casement, and heritage door range and shared target of listed-building and conservation-area projects.
• Reynaers UK: UK arm of the Belgian aluminium systems group, supplying windows, doors, curtain wall, and sliders to fabricators and installers. Overlaps with Blairs' aluminium and curtain wall portfolio on commercial and high-end residential projects.

Broad incumbents

• Safestyle UK: UK volume PVCu window and door manufacturer-installer focused on the trade and replacement market. Comparable on the PVCu side of Blairs' range, though Safestyle is consumer/install-driven and lacks Blairs' timber and heritage proposition.
• Anglian Home Improvements: Major UK home improvement manufacturer and installer covering windows, doors, and conservatories. Overlaps with Blairs on PVCu and composite door ranges and the consumer direct-sales channel, but at substantially greater scale and national coverage.
• Everest: One of the largest UK window, door, and home improvement manufacturers and installers. Comparable as a broad fenestration incumbent serving both trade and consumer channels across the UK, though far larger in scale and primarily installer-led.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/blairswindows
• Facebookfacebook.com/blairswindowsanddoors
• LinkedInlinkedin.com/company/blairs-limited
• Instagraminstagram.com/blairswindows
• TikToktiktok.com/@blairswindows

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 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 Blairs Limited