KP1

What KP1 does

KP1 is the French specialist in prefabricated prestressed concrete construction, founded in the early 1960s and headquartered in Avignon. The company manufactures and supplies structural and flooring systems — including hollow-core slabs (Dalles Alvéolées), precast slabs (Prédalles), prestressed beams (Poutrelles), precast walls (Prémurs), beams (Poutres), foundation systems (Longrines, Plots BASIK), and thermal bridge solutions — serving construction projects across residential, commercial, industrial, logistics, public, and data center segments. KP1 operates 41 sites in France, including 15 factories, with 1,200 employees, and holds multiple CSTB certifications including ATEx, Avis Technique, and ATec approvals.

The company's revenue model is a combination of hardware sales (prefabricated concrete elements manufactured in factories and supplied to construction sites) and professional services (engineering pre-dimensioning studies, technical support, and the KALCUL SaaS engineering platform with four calculation modules). KP1 sells through a department-level direct sales force covering all French regions and overseas territories, supported by an agency network and a material distributor (négoce) channel with volume-based loyalty rebates. The eco-designed IMPAKT sub-brand offers low-carbon formulations (IC14 and IC9+) aligned with France's RE2020 environmental regulation, and the company has committed to reducing its own carbon impact by 50% by 2031 under its RSE plan.

KP1 is a privately held Société par Actions Simplifiée (SAS) under the parent company KP1 Services, with Vincent LINCHET serving as President of the parent entity. The company shows no signs of venture capital, private equity, or institutional investor ownership, and operates entirely within France for production while maintaining nascent commercial contact channels for Italy, Switzerland, Germany, Belgium, Luxembourg, and Spain.

Name

KP1

Legal name

KP1

Website

http://www.kp1.fr

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

KP1 is a French manufacturer of prefabricated prestressed concrete structural and flooring systems, operating 15 factories and 41 sites in France with 1,200 employees. The company serves construction professionals across residential, commercial, industrial, data center, and public-building segments with certified low-carbon products.

Ownership category

akta.pro rank

Product category

Prefabricated Concrete Products

NAICS

Other Concrete Product Manufacturing (327390)

SIC

Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Precast Concrete Products (IMADAAAB)

akta.pro secondary industry

Masonry Prefabricated Elements (Panels, Lintels, Sills) (IMADABAM)

Keywords

• Prefabricated concrete products
• Prestressed concrete floors
• Precast structural systems
• Hollow core slabs
• Thermal bridge solutions

Headquarters

HQ city

Avignon

HQ country

France

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Prefabricated Concrete Products: Sale of prefabricated concrete structural elements including prestressed beams, hollow core slabs, predalles, precast walls, floor systems, and accessories. Products are manufactured in factories and supplied/installed on construction sites.
2. Installation and Technical Services: Design, manufacturing, and installation services for prefabricated concrete structures, including technical studies, pre-dimensioning, and engineering support through internal bureau d'études.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels7 records

Core offering

KP1 designs, manufactures, and supplies prefabricated prestressed concrete structural systems including hollow-core slabs, predalles, beams, precast walls, and accessories for floors and building structures across all building types (residential, commercial, industrial, data centers, public buildings). The company also delivers design engineering, pre-dimensioning, and installation services through its subsidiary KP1 Bâtiments and operates the Kalcul web-based SaaS platform for engineering calculations.

Product overview

KP1 is the French specialist in prefabricated concrete construction, offering a comprehensive portfolio of structural and flooring products for all building types. The core offering centers on prestressed precast concrete systems — including hollow-core slabs (Dalles Alvéolées), precast slabs (Prédalles), ThermoPrédalles with integrated thermal breakers, and various beam types (Poutrelles LS/LX12, Poutres PAP/PSS/PM5, Longrines) — complemented by accessories (DAK safety devices, AéroVS ventilation, AccroVS drainage fixings, Tympans, Ecorefend thermal elements) and the eco-designed IMPAKT low-carbon range. KP1 also operates the KALCUL SaaS engineering platform for structural, environmental, thermal, and cost calculations. The company operates 41 sites in France including 15 factories, serving individual housing, collective housing, commercial, industrial, and data center projects. The product portfolio is organized around prefabrication efficiency, with solutions addressing regulatory requirements for RE2020, seismic zones, fire resistance, and acoustic performance.

Differentiator

Problem solved

Functional benefit

Brands

• Gamme IMPAKT: Eco-designed product range with low carbon footprint for prefabricated concrete solutions
• KALCUL
• Dalle Alvéolée KP1
• Prédalle KP1
• Poutrelle LS Gamme

Products and services

• Dalle Alvéolée (Hollow-core Slab) Prefabricated prestressed concrete slabs with hollow chambers running their full length, enabling large spans without props and minimizing self-weight. Suitable for industrial buildings, commercial spaces, offices, and parking structures, with spans up to 19 meters.
• Prédalle (Precast Slab)

Quantifiable outcome

• 50% carbon reduction target by 2031 (vs baseline)
• +4 more outcomes

Named customers6 records

Segments7 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature10 records

Partnerships

13 partnerships are on record, tiered minor and core.

• OVHminorOthersWeb hosting provider for KP1, KP1 Bâtiments, and Kalcul websites
• INAUVminorImplementation/ SI/ Consulting PartnerArchitecture firm for Unither Liquid Manufacturing project
• DK ArchitectescoreStrategic or Co-development PartnerLead architect for Data Center MRS5 project
• GSEcoreImplementation/ SI/ Consulting PartnerGeneral contractor for Data Center MRS5 project
• Eiffage ConstructioncoreImplementation/ SI/ Consulting PartnerDesign-build contractor for Lumi 2.0 project in Bordeaux
• Digital RealtycoreOthersGlobal data center provider and client for MRS5 project in Marseille
• Vincent Lavergne Architecture Urbanisme (VLAU)coreStrategic or Co-development PartnerLead architect for Lumi 2.0 project
• B+R ArchitectscoreStrategic or Co-development PartnerArchitecture firm for Data Center MRS5 project
• Critical BuildingcoreStrategic or Co-development PartnerArchitecture firm for Data Center MRS5 project
• ClairsiennecoreOthersReal estate developer and client for Lumi 2.0 project
• Cierto EstudiominorStrategic or Co-development PartnerArchitecture firm for Lumi 2.0 project
• VINCI Construction FrancecoreImplementation/ SI/ Consulting PartnerGeneral contractor for Grand Stade de Lyon project
• SNC Stade de Lyon ConstructioncoreOthersProject company for Olympique Lyonnais stadium, client for Grand Stade de Lyon

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Rector: Rector is a French manufacturer of prefabricated concrete products including beams, prestressed slabs, and floor systems. It is KP1's closest direct competitor in the French market, offering a comparable product range (poutrelles, prédalles, dalles alvéolées) and serving the same residential and commercial construction customers.
• Seac (Société d'Études et d'Applications du Béton): Seac is a French manufacturer specializing in hollow-core slabs, prestressed beams, and prefabricated concrete floor systems. It directly competes with KP1 in the Dalles Alvéolées and Poutrelles categories, serving similar construction professional customers across France.
• Stradal (Vinci Construction): Stradal is a French prefabricated concrete manufacturer owned by Vinci Construction, producing structural precast elements, beams, slabs, and architectural concrete. It competes directly with KP1 in infrastructure, commercial, and residential precast applications, with the added advantage of a large parent group.
• Bonna Sabla: Bonna Sabla is a French specialist in precast concrete infrastructure products including pipes, culverts, and structural elements. It overlaps with KP1 on certain structural precast products and serves similar French construction and infrastructure markets.
• Alkern: Alkern is a major French manufacturer of concrete products including masonry blocks, pavers, and prefabricated elements. While focused more on blocks than structural precast, it competes with KP1 in adjacent product categories and serves overlapping French construction customers.

Broad incumbents

• Consolis: Consolis is a large European precast concrete manufacturer with operations across multiple countries, offering structural elements, beams, and slabs. It is a broad incumbent in KP1's category with greater geographic diversification but less national density in France.
• CRH (Oldcastle Infrastructure): CRH is a global building materials group with extensive concrete products and precast operations across Europe and North America. As a broad incumbent, it competes with KP1 in selected precast segments and could expand French presence through M&A or organic investment.
• Heidelberg Materials: Heidelberg Materials is one of the world's largest building materials companies, with significant cement, aggregates, and concrete products operations. While primarily a cement and ready-mix player, its downstream concrete products divisions compete with KP1 in certain precast categories across European markets.
• Holcim: Holcim is a global leader in building materials and innovative construction solutions, with growing precast and prefabricated offerings alongside its core cement and aggregates businesses. As a broad incumbent, it represents both a competitor and a potential strategic acquirer in KP1's space.

Regional players

• Forterra: Forterra is a leading UK-based manufacturer of precast concrete products including beams, hollow-core slabs, and structural elements. It is comparable to KP1 in product mix and customer segments, but operates primarily in the UK rather than France, making it a regional rather than direct competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCdxdLSnxQ6BFBMM3Y0dZMtQ
• LinkedInlinkedin.com/company/kp1
• Instagraminstagram.com/groupe_kp1
• Xx.com/groupe_kp1

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 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 KP1