What Alunet Systems does

Alunet Systems is a UK-based supplier of premium aluminium door and window systems, headquartered in Ravensthorpe, Dewsbury, West Yorkshire. The company designs, engineers, and distributes the Aluna and Aluna+ product ranges — including bifold doors, sliding patio doors, French doors, single glazed doors, entrance doors, internal doors, casement and tilt-turn windows, flat rooflights, and roof lanterns — for residential and commercial applications. Its core technology rests on a patent-pending universal sash/transom profile that reduces system part count by more than 30%, engineered polyamide thermal breaks, a Q-lok click-fit lantern system, and clip-in bead designs that accelerate fabrication and installation.

The company sells exclusively through an authorized network of UK fabricator partners rather than directly to end customers, providing these partners with a Trade Portal of technical documentation, marketing collateral, and certification evidence, plus a quoting platform integrated with Prime Value Software that enables installers to price jobs in under two minutes. Customers are primarily SMB and mid-market aluminium fabricators (e.g., A&B Glass, Warmglaze, Classic Windows, Layden Solutions), with downstream demand from installers, homeowners, and specifiers/developers. Products carry PAS24 security accreditation across the range, Qualicoat marine-grade powder coating, and a 10-year guarantee.

Following the March 2025 acquisition by Eurocell PLC for £29 million, Alunet Systems operates as a wholly-owned subsidiary within a larger UK building products group pursuing a £500M revenue five-year strategy. The 200-strong team, led from the top by former CEO Steve Hudson (now on Eurocell's executive management team), launched the Aluna+ platform in April 2025 and continues to invest in fabricator tooling, software integration, and product breadth across the whole-house aluminium category.

Name

Alunet Systems

Legal name

Alunet Systems Ltd.

Website

https://alunetsystems.co.uk

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

11–50 employees

Short description

Alunet Systems is a UK supplier of premium aluminium door and window systems under the Aluna and Aluna+ brands, selling exclusively through an authorized fabricator partner network and now operating as a subsidiary of Eurocell PLC following its March 2025 acquisition.

Ownership category

akta.pro rank

Product category

Aluminium Fenestration Systems

NAICS

Metal Window and Door Manufacturing (332321)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Windows (IMADAIAC)

akta.pro secondary industries

Exterior Doors (IMADAIAA), Skylights, Roof Windows & Daylighting (IMADAFAL), Architectural & Building Glazing Systems (Curtain Wall/Storefront/Canopies) (IMADAHAB)

Keywords

• Aluminium fenestration systems
• Bifold door systems
• Aluminium window profiles
• Sliding patio doors
• Roof lantern systems

Headquarters

HQ city

Dewsbury

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Aluminium Systems Sales to Fabricators: Alunet Systems supplies premium aluminium door and window systems (Aluna and Aluna+ brands) to a network of fabricator partners. Fabricators purchase systems components and profiles to manufacture finished doors and windows for installation by trade installers.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels7 records

Core offering

Alunet Systems designs, supplies, and supports premium aluminium door and window systems under the Aluna and Aluna+ brands to a UK network of authorized fabricator partners. Its whole-house range covers bifold doors, sliding patio doors, casement/flush/tilt-turn windows, French doors, single glazed doors, entrance doors, internal doors, flat rooflights, and roof lanterns, complemented by a Trade Portal and PVS-integrated quoting platform that enable partners to quote, fabricate, and install faster.

Product overview

Alunet Systems is a UK market leading supplier of premium aluminium door and window systems, operating primarily under the Aluna brand. The company was acquired by Eurocell in March 2025 for £29 million as part of Eurocell's strategy to reach £500M revenue. The product portfolio is organized into two main lines: the core Aluna range (Aluna Bifold, Aluna Slider, Aluna Window, Aluna Glazed Door, Aluna French Doors) featuring PAS24 security accreditations, slim sightlines, and marine-grade finishing; and the enhanced Aluna+ range (Aluna+ Window, Aluna+ Entrance Door, Aluna+ Interior, Aluna+ Rooflight, Aluna+ Lantern) representing the next generation with revolutionary features including 30% fewer parts, patent-pending universal profiles, and engineered polyamide thermal breaks. The Aluna+ Window System, launched April 2025 at RAF Cosford, is positioned as the easiest and quickest window to fabricate on the market. The company provides supporting platforms including the Trade Portal for technical documentation and the PVS-integrated Quoting Tool enabling instant pricing in under 2 minutes. All products feature thermal efficiency compliance with current and Future Homes standards.

Differentiator

Problem solved

Functional benefit

Brands

• Aluna: Premium range of aluminium windows and doors including bifold doors, sliding patio doors, French doors, and windows for residential applications.
• Aluna+

Products and services

• Aluna Bifold Premium aluminium bifolding doors with slim sightlines, PAS24 security accreditation, and clip-in bead technology for easy installation, supplied to fabricator partners for resale to installers and end customers.
• Aluna Slider Premium aluminium sliding patio doors offering smooth operation and sleek slim sightlines, manufactured by fabricator partners from Aluna profile systems.
• Aluna Window Slimline aluminium casement windows with market-leading sightlines, heritage astragal bar options, and integral blind options, supplied to fabricator partners as part of the Aluna whole-house suite.
• Aluna+ Window System Revolutionary 75mm aluminium window system with patent-pending universal sash/transom profile reducing parts by 30%+, engineered polyamide thermal breaks (no foam), U-values as low as 0.9 W/m²K (triple) or 1.2 W/m²K (double), available in casement, flush, and tilt-turn configurations, designed for simplified fabrication and reduced stockholding.
• Aluna Glazed Door Single aluminium glazed door with large glazed panel for smaller spaces lacking natural light, featuring PAS24 security accreditation, U-values as low as 1.1 W/m²K, and market-leading sash sizes up to 1200mm x 3000mm, compatible with Aluna bifold and French door systems.
• Aluna French Doors Modern aluminium French doors with traditional elegance, featuring engineering-grade running rollers, PAS24:2022 accreditation, U-values as low as 1.1 W/m²K, weather resistance to BS6375 Part 1:2009, and maximum sash size of 1200mm x 3000mm.
• Aluna+ Entrance Door Premium aluminium entrance doors available in three ranges (CORE, NOVA, PRIME), featuring U-values as low as 0.8 W/m²K, hinged bolts standard with optional RC2/RC3 upgrades, approximately 200 colour finishes, and smart home integration on NOVA and PRIME ranges.
• Aluna+ Interior Door Steel-look aluminium internal door and glazed room divider system with super slim sightlines, available as single/double swing doors, sliding doors (with soft-close), and glazed room dividers in textured black finish with adjustable hinges as standard, maximum sizes up to 1200mm x 2500mm (swing/sliding) or 2000mm x 2500mm (room dividers).
• Aluna+ Rooflight Premium aluminium flat rooflight with fully thermally broken frame, U-values as low as 0.92 W/m²K triple-glazed or 1.3 W/m²K double-glazed, self-cleaning glass, slimline low-profile aesthetics, integral drainage system, internal security fixings, made to measure up to 2.5m² glazing area, in standard or any RAL colour.
• Aluna+ Lantern Aluminium roof lantern featuring the innovative Q-lok click-together system (ring beam, hip beam, ridge beam, rafters snap together with no on-site drilling or silicone) for installation in under 1 hour, strongest GRP ring beam in market, 25° pitch for maximum light, concealed drainage, anti-tamper screws, 10-year guarantee, made to measure up to 4m x 8m in square or rectangular layouts.

Quantifiable outcome

• Over 30% less parts required to produce windows, reducing stockholding and working capital tied up in inventory
• +4 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature5 records

Partnerships

Five partnerships are on record, tiered core and supporting.

• Prime Value Software (PVS)coreTechnology or Integration · 1 April 2025Strategic partnership delivering a powerful front-end quoting platform through Prime Value Software. Enables instant, accurate pricing for the trade with real-time prices pulled directly from fabricator systems. Integrates the full Aluna product range including windows, doors, lanterns, rooflights and entrance doors. Provides CRM, invoicing, payment gateway functionality and one-click ordering.
• EurocellcoreStrategic or Co-development Partner · 1 March 2025Eurocell acquired Alunet Group (including Alunet Systems) for £29 million ($33.61 million) in March 2025. The acquisition expands Eurocell's residential aluminium systems and composite door offering. Alunet Group's 200-person team joined Eurocell's executive management team, with CEO Steve Hudson taking a position on Eurocell's leadership team. The acquisition supports Eurocell's 5-year strategy to grow to £500M in revenue.
• LogiKalsupportingTechnology or IntegrationEstablished production software used alongside fabricators for accurate estimating, cutting lists, CAD design and CNC integration.
• Business MicrossupportingTechnology or IntegrationEstablished production software used alongside fabricators for accurate estimating, cutting lists, CAD design and CNC integration.
• First Degree SystemssupportingTechnology or IntegrationEstablished production software used alongside fabricators for accurate estimating, cutting lists, CAD design and CNC integration.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Senior Architectural Systems: UK-based aluminium window, door, and curtain wall systems house supplying fabricator and installer networks. Directly comparable to Alunet in product portfolio (windows, doors, commercial glazing) and go-to-market through fabricator partners.
• Origin Global: UK manufacturer of aluminium bifold doors, windows, and sliding doors sold through a fabricator and installer network. Closely comparable to Alunet on product mix, premium positioning, and trade-channel distribution.
• Smart Systems (Smart Aluminium): UK aluminium systems supplier offering windows, doors, and curtain wall products to fabricators and installers. Comparable on product breadth, fabricator-channel GTM, and premium residential/commercial positioning.
• Reynaers Aluminium: Belgian-headquartered aluminium systems company with strong UK presence, supplying window, door, and façade systems to fabricators and installers. Comparable on systems-supply model, premium positioning, and whole-house range.
• Schüco UK: German aluminium and PVC-U systems company serving UK fabricators and installers with windows, doors, and façade solutions. Comparable systems-supply business model and technical-certification-driven positioning.
• Aluk (Aluminium UK): UK aluminium systems brand supplying bifold doors, windows, sliding doors, and entrance doors through fabricator and installer partners. Comparable on product portfolio, trade-channel GTM, and premium residential positioning.

Broad incumbents

• Kawneer UK: Architectural aluminium systems company owned by Arconic, supplying curtain wall, windows, and doors across commercial and residential UK projects. Comparable on aluminium fenestration technology but operates at larger scale and broader commercial scope.

Others

• Eurocell PLC: Parent company of Alunet since March 2025; UK PVC-U windows, doors, and building products manufacturer-distributor with 200+ branches. Listed as ecosystem participant given the direct parent-subsidiary relationship and overlapping trade-customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/AlunetSystems
• YouTubeyoutube.com/c/AlutechSystemsLtd/videos
• Facebookfacebook.com/AlunetSystems
• LinkedInlinkedin.com/company/alunet-systems
• Instagraminstagram.com/alunetsystems
• Pinterestuk.pinterest.com/alunetsystems

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Alunet Systems