SEAC

What SEAC does

SEAC is a French private manufacturer of precast and prestressed concrete construction products, founded in 1962 and headquartered in Toulouse. The company operates 27 production sites across metropolitan France, all manufacturing 100% in France, and serves construction professionals across five end-use segments: individual house builders, collective housing developers, industrial/parking structures, offices and public buildings, and grouped housing developers. Its product portfolio centers on integrated building systems rather than standalone components: (1) Planchers Poutrelles Hourdis — floor systems combining prestressed joists with insert types including polystyrene (Polyseac), wood composite (EBS, Seacbois), and acoustic solutions (Seacoustic); (2) Structure Précontrainte — prestressed elements such as hollow-core slabs (Dalle alvéolée), industrial beams, predalles, and the award-winning Reverso; (3) Murs — concrete blocks including insulating blocks (Easytherm, Bloctherm), rectified blocks (Bloc R), and fire-resistant systems (DuoMur); (4) Voirie, conduits de fumée, and the Pierr'Dall decorative range. Underlying technology relies on automated prestressed concrete production, proprietary heat-treatment processes that deliver a 4x energy-impact reduction, and engineered formulations using CEM II cement, with quantified thermal/acoustic/CO2 performance metrics (e.g., -4.86 kg CO2/m² for EBS, 1 tonne CO2 saved per 22m² of Seacoustic floor, Up 0.11 W/m².K on Polyseac) certified by CSTB, CERIB, PEFC, and compliant with RE 2020.

The business model is hardware sales of precast concrete products priced per unit or per square meter. Distribution is primarily indirect through a national network of négociants-stockistes (distributor-stockists) supported by SEAC's design offices and proprietary software (Seac Plan, predimensioning calculators, Bati-info) that is reserved for partner distributors, with direct factory sales available from the 27 plants for larger accounts. Revenue is not publicly disclosed; the company is privately held with no parent or investor ownership disclosed. SEAC competes on nationwide proximity, certification depth, and engineered-system performance, and uses a multi-channel marketing mix including a technical website, professional documentation, trade show participation (Nordbat, Enerj Meeting, Forum International Bois Construction), social media, and a newsletter to reach specifiers and builders.

Name

SEAC

Legal name

SEAC

Website

https://seac-gf.fr

Company type

Private

Founded year

1962

Operating status

Operating

Headcount range

501–1,000 employees

Short description

SEAC is a privately held French manufacturer, founded in 1962, of prestressed and precast concrete construction systems — floors, structural elements, walls, and decorative products — operating 27 production sites nationwide and serving individual house builders, collective housing developers, industrial/office builders, and grouped housing developers through a distributor network and direct factory sales.

Ownership category

akta.pro rank

Product category

Precast Concrete Building Systems

NAICS

Cement and Concrete Product Manufacturing (3273), Other Concrete Product Manufacturing (327390), Concrete Block and Brick Manufacturing (327331), Other Concrete Product Manufacturing (32739)

SIC

Concrete Products, Except Block & Brick (3272), Concrete, Gypsum & Plaster Products (3270)

akta.pro primary industry

Precast Concrete Products (IMADAAAB)

Keywords

• Precast concrete products
• Prestressed concrete floors
• Concrete building systems
• Structural concrete elements
• Concrete masonry blocks

Headquarters

HQ city

Toulouse

HQ country

France

HQ region

Europe

Offices28 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Precast Concrete Products Sales: SEAC generates revenue primarily through the sale of precast concrete products including prestressed concrete floors (poutrelles hourdis), ribbed floors, hollow-core slabs, predalles, industrial beams, concrete blocks, and decorative elements. Products are sold through distributor networks and directly from 27 production sites.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

SEAC manufactures and sells precast concrete construction products, specializing in prestressed concrete floor systems (poutrelles hourdis), hollow-core slabs (dalle alvéolée), industrial beams, insulating and bio-sourced wall blocks, and decorative concrete elements under the Pierr'Dall brand. Products are sold through a network of distributors and directly from 27 production sites across France to construction professionals and developers. The company also provides proprietary software tools (Seac Plan, Bati-info) for technical floor studies and project predimensioning.

Product overview

SEAC is a French manufacturer of precast concrete products for the construction industry, specializing in prestressed concrete floors and pressed concrete products. The company operates 27 production sites across France. The product portfolio consists of multiple integrated systems: (1) Planchers Poutrelles Hourdis - floor systems combining prestressed joists with various insert types including Polystyrene (Polyseac), wood composite (EBS, Seacbois), and acoustic solutions (Seacoustic); (2) Structure Précontrainte - prestressed structural elements including hollow-core slabs, industrial beams, and ThermoPrédalle; (3) Murs - concrete block walls including insulating blocks (Easytherm, Bloctherm), rectified blocks, hollow blocks, and formwork blocks; (4) Voirie - road curbs; (5) Conduits de fumée - smoke ducts; (6) Gamme Seac-Pierr'Dall - decorative concrete elements for landscaping. The products are supported by proprietary software tools (Seac Plan, Bati-info, predimensioning calculators) that enable technical optimization and cost estimation. SEAC's offerings are designed to work as complete building systems meeting French thermal regulations (RE 2020) with a focus on low-carbon construction.

Differentiator

Problem solved

Functional benefit

Brands

• Pierr'Dall: Decorative concrete product line including dallage (paving), piscine (pool tiles), parements (wall cladding), architecture elements, and jardin (garden) products
• Seacbois
• Seacisol
• Seacoustic
• Seacwatt
• Polyseac
• EBS (Entrevous Bois Seac)
• Easytherm
• Bloctherm
• Stoptherm
• DuoMur
• Reverso

Quantifiable outcome

• 25% reduction in thermal dissipation for 80m² floor (Up 0.23)
• +7 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

13 partnerships are on record, tiered minor.

• FIBOISminorStrategic or Co-development PartnerWood industry federation partnership for wood construction and biosourced materials development.
• CD2EminorStrategic or Co-development PartnerEnvironmental and sustainable development center supporting eco-responsible construction.
• AMO (Assises de la Maison Ovale)minorStrategic or Co-development PartnerNational organization for quality housing construction.
• Pôle Habitat FFBminorStrategic or Co-development PartnerFédération Française du Bâtiment housing pole for quality construction standards.
• UntecminorStrategic or Co-development PartnerEngineering economists union providing technical and economic expertise.
• SynamomeminorStrategic or Co-development PartnerProfessional organization for construction economics and project management.
• Constructeur maisons de qualitéminorChannel Partner/ Reseller/ DistributorQuality house builders network promoting high-standard residential construction.
• EthiBatminorStrategic or Co-development PartnerSustainable construction and environmental approach organization.
• Vide SanitaireminorStrategic or Co-development PartnerCrawl space technology and construction association.
• By BétonminorStrategic or Co-development PartnerConcrete industry promotion and information organization.
• FRANCE BLOCSminorStrategic or Co-development PartnerConcrete block manufacturers federation representing the industry.
• Façade F4minorStrategic or Co-development PartnerFacade construction and insulation technology organization.
• UICB (Union des industriels et constructeurs bois et biosourcés)minorStrategic or Co-development PartnerUnion of wood and biosourced material industrialists and builders promoting sustainable construction.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• KP1: Leading French manufacturer of precast concrete floors, beams and structural elements (poutrelles, prédalles, dalles alvéolées). Directly comparable product portfolio and customer base (French builders, distributors) to SEAC.
• Rector (Rector Lesage): Major French producer of prestressed concrete floor systems and structural elements, with nationwide production network. Closely overlaps SEAC on hourdis, poutrelles, prédalles and insulating floor solutions.
• EDYCEM (Edilteco Group): French precast concrete manufacturer focused on floors, walls and lightweight solutions for residential construction. Competes with SEAC on insulating floor systems and masonry blocks in France.
• Alkern: French manufacturer of concrete blocks, paving and precast elements with multiple production sites. Overlaps SEAC on concrete blocks (Easytherm/Bloctherm equivalent) and structural masonry offerings.
• Fabemi: French precast concrete producer specializing in blocks, slabs and structural elements for building and infrastructure. Comparable product mix and distribution model to SEAC.
• Bonna Sabla: French precast manufacturer of infrastructure and building products including beams, slabs, walls and drainage. Comparable on large-span prestressed and structural products serving French construction.
• Stradal (CRH group): French precast concrete producer (part of CRH) manufacturing structural elements, beams and floors. Competes with SEAC in French infrastructure and commercial building segments.

Broad incumbents

• Wienerberger France: European leader in clay construction materials (bricks, blocks) with strong French presence. Competes with SEAC's wall/block portfolio via a different material but in identical customer segments (French builders, RE 2020 positioning).

Emerging players

• Xella France (Ytong, Multipor): Manufacturer of aerated autoclaved concrete and mineral insulation blocks. Competes with SEAC's insulating block range (Easytherm, Bloctherm) on thermal performance and is gaining share under RE 2020.

Regional players

• Bouyer Leroux: Major French manufacturer of clay bricks and concrete blocks, headquartered in western France. Competes regionally with SEAC's wall block offerings while sharing French construction customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/SEACgf
• Facebookfacebook.com/seacguiraud
• LinkedInlinkedin.com/company/seac
• Xx.com/groupeseac

Compliance8 records

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 SEAC