PORTE SAS

What PORTE SAS does

PORTE SAS is a French family-owned industrial sheet-metal fabricator founded in 1944 in Lyon (now headquartered at 16 avenue Karl Marx, Vaulx-en-Velin), operating from a 3,000 m² single-site facility with approximately 35 qualified personnel. The company's revenue is generated entirely through custom manufacturing and installation of physical metal products under a B2B quote-based model, with no software, SaaS or API offerings.

Its product portfolio is anchored on three pillars: (1) Précadres Soudés — welded window/door frames for exterior joinery, including proprietary GP4, PFIN and PFIX models, now CTB-certified (Certificat n°507-26-2051) for wood-frame construction and buildings up to 60m; (2) Tôleries sur mesure — custom sheet-metal fabrication using latest-generation fiber laser, CNC punching, bending, welding and surface treatment across steel, stainless steel, aluminum and Corten; and (3) Réseaux Siphoïdes — siphoidal rainwater drainage systems designed, installed and maintained under CPT 3600 CSTB and DTU 43.3 compliance. Adjacent lines cover building-envelope cassettes and brise-soleil, gravity drainage components, PMR/accessibility flooring, industrial mécano-soudure (including nuclear stainless-steel components), and a B2C Brasero Fire outdoor-cooking range.

Go-to-market is direct B2B field sales targeting general contractors (Vinci), architects (Jean Nouvel on UBS Monaco), industrial end-users (Nestlé/Perrier, DAHER/Airbus Marignane, Caisse d'Epargne), and public-sector clients (Collège Anne-Frank, Roland Garros). Pricing is fully quote-based with no published list, and customer concentration is moderate across at least six verticals. The firm has been QUALIBAT-certified continuously since 1995, runs on 100% green energy (hydraulic electricity + bio-methane), and operates entirely from family ownership under managing director Olivier Porte, with France Alu Sécurité integrated in 2020 as the sole subsidiary.

Name

PORTE SAS

Legal name

PORTE SAS

Website

https://porte.fr

Company type

Private

Founded year

1944

Operating status

Operating

Headcount range

1–10 employees

Short description

PORTE SAS is a family-owned French industrial metal fabricator (founded 1944, ~35 staff, Vaulx-en-Velin) producing custom welded window frames, siphoidal rainwater drainage systems and architectural sheet-metalwork under QUALIBAT and CTB certifications for construction, industrial and infrastructure clients.

Ownership category

akta.pro rank

Product category

Custom Sheet Metal Fabrication & Building Envelope Metalwork

NAICS

Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers (332812), Architectural, Engineering, and Related Services (5413)

SIC

Sheet Metal Work (3444), Fabricated Plate Work (Boiler Shops) (3443), Coating, Engraving & Allied Services (3470)

akta.pro primary industry

Sheet Metal & Ductwork Contracting (IMAFALAH)

Keywords

• Custom sheet metal fabrication
• Welded window frames
• Siphoidal rainwater drainage
• Building envelope cladding
• Industrial metalwork welding

Headquarters

HQ city

Vaulx-en-Velin

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, Infrastructure, Marketing or Sales

Revenue model

1. Custom Sheet Metal Manufacturing: Design, fabrication and sale of custom sheet metal products including cassettes, perforated sheets, brise-soleil, bandeaux, coveredines, grilles, and facade cladding. One-time project-based revenue from custom fabrication orders.
2. Siphoïde System Installation: Design, installation, renovation and maintenance of siphoidal rainwater evacuation systems for buildings and industrial facilities.
3. Précadres Soudés: Conception, fabrication and installation of welded frames for exterior joinery, including certified CTB components for wood frame systems.
4. Industrial Metalwork & Mécano-soudure: Welding, metal furniture, fences, gates, custom industrial equipment and specialized nuclear components.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

PORTE SAS is a French industrial sheet metal manufacturer specializing in custom fabrication and installation of welded window/door frames (Précadres Soudés), bespoke tôlerie (laser cutting, CNC punching, bending, welding, surface treatment on steel, stainless steel, aluminum, and Corten), and siphoidal rainwater drainage systems (Réseaux Siphoïdes) for buildings and industrial facilities. The company operates a 3,000 m² workshop in Vaulx-en-Velin and delivers design-to-installation services primarily to construction professionals, architects, and industrial clients in France.

Product overview

PORTE SAS is a French industrial company (founded 1944) offering a comprehensive portfolio of metal fabrication products and services. The core offerings consist of three main pillars: (1) Précadres Soudés (welded window/door frames) including models like GP4, PFIN, and PFIX for facade installation and renovation; (2) Tôleries sur mesure (custom sheet metal fabrication) encompassing laser cutting, punching, bending, welding, and surface treatment on steel, stainless steel, aluminum, and Corten; and (3) Réseaux Siphoïdes (siphonage-based rainwater drainage systems) for innovative and economical building water evacuation. Supporting these core products, the portfolio extends into the building envelope category (Enveloppe du Bâtiment) covering metal cladding/cassettes, brise-soleil, perforated sheets, copings, and facade accessories; gravitaires drainage components (water boxes, downpipes, elbows, collars); industrial sheet metal and welding; decorative and outdoor metal furniture; PMR/accessibility flooring products (gratings, steps, tactile strips); and outdoor cooking products (Brasero Fire). The company operates as a single-product industrial manufacturer with no SaaS or API-based offerings, providing design, fabrication, and installation services entirely focused on physical metal construction products.

Differentiator

Problem solved

Functional benefit

Brands

• Le Précadre Soudé®: Registered trademark for welded precadres for exterior joinery. Certified CTB Composants et Systèmes bois with certificate n°507-26-2051. Available for wood frame construction (COB) and buildings up to 60m height.
• Brasero Fire
• Prec-bois

Products and services

• Précadres Soudés (Le Précadre Soudé®)
• Tôleries sur mesure (custom sheet metal fabrication)
• Réseaux Siphoïdes (siphoidal rainwater drainage systems)
• Enveloppe du Bâtiment (building envelope product range)
• Tôlerie Industrielle & Mécano-soudure (industrial metalwork and welding)
• Praticables & PMR (accessibility flooring and PMR products)
• Brasero Fire (outdoor fire pits and planchas)
• Évacuations Gravitaires (gravity rainwater drainage components)

Quantifiable outcome

• 200,000 m² of roof surface evacuated annually via siphoïde systems
• +3 more outcomes

Named customers8 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

Feature4 records

Scale indicators6 records

Recent moves11 records

Expansion highlights5 records

Direct peers

• Sepalumic: French aluminum systems company producing facade, window, and door profiles. Comparable to PORTE as a French-based supplier of custom aluminum building envelope and exterior joinery solutions, including for renovation work.
• Wicona: Aluminum facade, window, and door systems brand within Norsk Hydro. Competes with PORTE on certified metal facade and building envelope specifications, particularly on commercial and high-rise projects across Europe.
• Griesser: Swiss manufacturer of sun protection, brise-soleil, and facade louver systems. Closely comparable to PORTE's brise-soleil, perforated facade, and solar-control product lines used in French and European building envelope projects.
• ACO: German drainage products manufacturer covering surface water management and building drainage. Comparable to PORTE in the rainwater and building drainage category, including industrial and commercial applications.
• Geberit: Swiss multinational whose Pluvia product line offers siphonic roof drainage systems technically equivalent to PORTE's Réseaux Siphoïdes. Direct competitor for siphoïde drainage tenders on large industrial, logistics, and commercial roofs across Europe.
• Wavin: Dutch supplier offering QuickStream siphonic drainage systems for industrial and commercial buildings. Directly competes with PORTE's siphoïde network installations on large-roof drainage specifications.
• Reynaers Aluminium: Belgian aluminum facade, window, and door systems manufacturer. Competes with PORTE on building envelope and facade cladding projects where high-end architectural metalwork is specified.
• Technal: French aluminum facade, window, and curtain wall systems company owned by Norsk Hydro. Directly comparable to PORTE in the French building-envelope market for new construction and renovation projects.

Broad incumbents

• Saint-Gobain PAM: French building products company offering cast iron rainwater and below-ground drainage systems. Partial overlap with PORTE's building drainage work but with a much broader product portfolio and distribution network.
• Schüco: German multinational offering facade, window, and door systems across residential, commercial, and industrial segments. Broader portfolio than PORTE but overlaps on certified facade and exterior joinery work, including wood-frame-compatible assemblies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/porte-sas

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 PORTE SAS