sidonie

What sidonie does

Sidonie is a French manufacturer of exterior building closures, headquartered in Saint-Hilaire de Riez, Vendée, with 50 woodworking and manufacturing professionals. The company produces a complete range of made-to-measure products including swinging shutters (volets battants), sliding shutters (volets coulissants), solar-powered shutters (volets solaires), louvered shutters (persiennes), garage doors (portes de garage), gates (portails), and fences (clôtures), offered in aluminum, wood, PVC, steel, and composite materials. Sidonie manufactures all products to custom specifications, accommodating atypical dimensions, arched openings, and complex architectural constraints, and incorporates an industrial production model in which delivery lead time drives manufacturing scheduling rather than the inverse. The company's proprietary solar-shutter product operates autonomously via photovoltaic technology, supporting up to 30 opening and closing cycles even without direct sunlight and addressing renovation projects where electrical connection is impractical. All products carry a 10-year manufacturing warranty and conform to current French DTU technical building standards, with aluminum gates carrying an extended 25-year powder-coating warranty.

Sidonie operates a B2B-only go-to-market model, selling exclusively through a network of professional installers, artisans, masons (Cmistes), small builders (EGB), and large building stores (GSB), who handle measurement, quotation, installation, and after-sales service for end customers. The company does not sell directly to consumers; instead, prospective end customers select products through Sidonie's website and catalogs, request a personalized quote, and are then connected with a local artisan to concretize the project. A formal "Devenir revendeur" (become a reseller) program with online registration supports the expansion of this installer network, alongside a dedicated "Espace PRO" portal. Pricing is quote-based, not publicly disclosed, and subject to modification; quotes are free and non-binding.

Sidonie is an operating subsidiary of Groupe Sothogam, a diversified industrial group of approximately €70 million in revenue comprising Sothoferm, Sidonie, Sargam, Sthéma, and Vue d'ici. The group is headquartered in Thouars (Deux-Sèvres) and draws on 35 years of experience in building closures across France, providing Sidonie with industrial scale and supply-chain leverage that complements its PME-level regional positioning. Leadership is anchored by Matthieu Paineau (Director of Publication) and Alexis Leriche (Data Protection Officer); no venture capital, private equity, or public ownership is indicated, consistent with a family-owned or closely-held French industrial structure.

Name

sidonie

Legal name

SIDONIE

Website

https://fermetures-sidonie.fr

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

11–50 employees

Short description

Sidonie is a French manufacturer of custom-made exterior closures (shutters, solar shutters, louvered shutters, garage doors, gates, fences) in aluminum, wood, PVC, and steel. Operating as a subsidiary of Groupe Sothogam, it sells exclusively through professional installers and large building stores serving French residential and commercial customers.

Ownership category

akta.pro rank

Product category

Exterior Building Closures (Custom Shutters, Garage Doors, Gates, Fences)

NAICS

Blind and Shade Manufacturing (337920), Wood Window and Door Manufacturing (321911)

SIC

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

akta.pro primary industry

Garage Doors & Rolling Shutters (IMADAIAE)

akta.pro secondary industry

Exterior Doors (IMADAIAA)

Keywords

• Custom shutter manufacturing
• Exterior closure products
• Garage door fabrication
• Aluminum gate fabrication
• Solar-powered shutters

Headquarters

HQ city

Saint-hilaire-de-riez

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Closure product manufacturing and sales: Sidonie generates revenue through the manufacture and sale of exterior closure products including shutters (battants et coulissants), solar shutters, persianas, garage doors, gates, and fences. Products are available in aluminum, wood, PVC, and steel. The company sells exclusively to professional installers and artisans who then serve end customers.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Sidonie manufactures and sells custom-made exterior closure products — including swinging shutters (volets battants), sliding shutters (volets coulissants), solar-powered shutters (volets solaires), persiennes (louvered shutters), garage doors (portes de garage), gates (portails), and fences (clôtures) — in aluminum, wood, PVC, and steel. All products are made-to-measure to fit specific dimensions and architectural constraints, and are sold exclusively through a B2B network of professional installers, artisans, masons, and large building stores (GSB) who handle end-customer installation and service.

Product overview

Sidonie is a French manufacturer of exterior closures offering a complete product portfolio including swinging and sliding shutters (volets battants/coulissants), solar shutters (volets solaires), louvered shutters (persiennes), garage doors (portes de garage), gates (portails), and fences (clôtures). Products are available in aluminum, wood, PVC, and steel materials, with extensive customization options including colors, finishes, configurations, and motorization. The company operates as a manufacturer supplying professionals (installers, craftsmen, masons) who handle installation for end customers. Sidonie is part of the Sothogam group, which specializes in building closures with approximately 70 million euros in revenue.

Differentiator

Problem solved

Functional benefit

Products and services

• Volets Battants (Swinging Shutters) Swinging shutters (volets battants) available in aluminum, aluminum-wood, wood, and PVC. Available in multiple thickness options (24mm to 48mm) with various configurations including persienned, panel, and style variants. Manufactured to custom dimensions for professional installers and end customers.
• Volets Coulissants (Sliding Shutters) Sliding shutters designed for contemporary facades and large openings. Available in aluminum, aluminum-wood, and wood materials, manufactured to custom dimensions for professional installation.
• Volets Solaires (Solar-Powered Shutters) Autonomous solar-powered shutters using photovoltaic technology. Operate without electrical connection and provide up to 30 cycles of opening and closing even without sunlight. Available in swinging and sliding configurations; designed for easy renovation installation with minimal construction work.
• Persiennes (Louvered Shutters) Louvered shutters particularly suited for southern France. Available in folding, sliding, and traditional tourangelle styles. Manufactured in aluminum, steel, wood, or PVC to custom dimensions.
• Portes de Garage (Garage Doors) Custom garage doors available in sectional, traditional, rolling, and sliding configurations. Materials include steel, aluminum, wood, and PVC. Manufactured to measure for professional installation.
• Portails (Gates) Custom gates available in aluminum, wood, or PVC, in swinging or sliding versions. Styles include full, semi-perforated, perforated, and wrought-iron designs. Aluminum gates carry a 25-year warranty on powder coating.
• Clôtures (Fences) Custom fences available in aluminum, wood, or PVC. Designed to harmonize with gates for a cohesive exterior aesthetic; manufactured to measure for professional installation.

Quantifiable outcome

• Solar shutters capable of up to 30 opening/closing cycles without direct sunlight
• +2 more outcomes

Named customers2 records

Segments2 records

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

Two partnerships are on record, tiered core.

• Sothogam GroupcoreOthersSidonie is part of the Sothogam group (also comprising Sothoferm, Sargam, Sthéma & Vue d'ici), a specialist in building closures with nearly 40 years of experience. The group, based in Thouars (79), generates approximately 70 million euros in revenue and holds a major position in the French market for shutters, sliding shutters, solar shutters, persianas, garage doors, gates and fences in wood, PVC or aluminum.
• Professional installers, artisans and partnerscoreChannel Partner/ Reseller/ DistributorSidonie relies on its network of installer partners, artisans, Cmistes, EGB and GSB to bring its closures to life for end customers. These experts ensure the link between the manufacturer and end users, providing advice for product selection and professional installation.

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• Bubendorff: French manufacturer specializing in roller shutters and solar/autonomous shutters, with a nationwide professional installer network. Highly comparable to Sidonie given overlapping product categories including solar-powered shutter technology and B2B distribution through artisans.
• Profalux: French manufacturer of roller shutters and exterior closures serving the residential renovation market through professional installers. Comparable product mix (shutters, blinds) and channel model to Sidonie.
• Lakal: European manufacturer of roller shutters, garage doors, and exterior closures with strong presence in France. Directly comparable to Sidonie across garage doors and shutters and overlapping B2B distribution.
• France Fermetures: French manufacturer of roller shutters, garage doors, gates, and exterior closures distributed through professional installers. Closely overlaps Sidonie's product range and channel approach.
• Atlantem: French industrial group manufacturing windows, shutters, garage doors, and exterior closures. Comparable to Sidonie in product breadth across closures and B2B channel sales to building professionals.
• Alukon: German manufacturer of roller shutters, external venetian blinds, and insect protection. Direct overlap with Sidonie's shutter and persienne offerings, primarily serving the German-speaking market.
• Sothoferm: Sister company of Sidonie within Groupe Sothogam, manufacturing roller shutters and closure products. Same parent group with overlapping product categories and similar B2B distribution approach.

Broad incumbents

• Hörmann: German-headquartered global leader in garage doors, industrial doors, and entrance doors with strong French operations. A larger incumbent whose garage-door and entrance-door portfolios partially overlap Sidonie's offering.
• Warema: German manufacturer of sun shading systems including external venetian blinds and roller shutters. Overlaps with Sidonie's shutter and persienne categories, though Warema operates at broader European scale.
• Griesser: Swiss manufacturer of roller shutters, venetian blinds, and sun protection products for residential and commercial buildings. Comparable exterior-closure portfolio, but with broader geographic reach than Sidonie.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/fermetures-sidonie

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 sidonie