What Heol Composites does

Heol Composites, founded in 2002 in Treffléan (Brittany, France), is a specialist manufacturer of hollow structural carbon composite parts produced via a patented single-step autoclave process. The company's core technology combines prepreg carbon/epoxy layups (typical 0.3mm plies, various fiber orientations from 50 to 1600 g/m²) with longitudinal shear-web reinforcement, allowing complex hollow geometries to be cured in one shot without post-machining. Two autoclaves anchor production, including an Italmatic unit certified Aeronautical Class 3 with ±3°C temperature homogeneity (1500mm diameter × 7000mm length, 220°C, 10 bar), enabling aerospace-quality curing.

The firm operates across four application verticals: competitive sailing (its original specialty — foils, rudders, daggerboards, masts for Imoca 60, Ultim trimarans, America's Cup, GC32 and Mini 6.50 classes), automotive racing (LMP, F1-adjacent bodywork, chassis beams and dashboards), aerospace (second-tier supplier to Airbus for tooling templates, calibration/test parts, demonstrators; pursuing EN 9100), and industrial applications (robot end-effectors, large welding clamps for Ford USA, wind turbine blades for offshore racing, naval structures with Naval Group). Commercial relationships include marquee names such as Groupama, Gitana, Banque Populaire, Sodebo, Sonaca, Safran, DMG Mori, Orano, Holcim and Wander Craft.

Heol generates revenue through bespoke, quote-based one-off manufacturing contracts rather than a catalog/recurring model; pricing is not publicly disclosed. Distribution is exclusively direct, enterprise field sales engaging technical decision-makers, supported by reputation from racing victories (Volvo Ocean Race 2012 with Groupama, 6 of 7 foiling Imocas in the 2016 Vendée Globe). The company operates as a privately-held French SAS with €131,500 share capital, no external funding rounds on record, 11-50 employees, and director Jean-Paul Dufau (since late 2017) overseeing gradual cross-vertical diversification.

Name

Heol Composites

Legal name

HEOL COMPOSITES

Website

https://heol-composites.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Composite Materials Manufacturing

NAICS

Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing (326130)

SIC

Aircraft & Parts (3720)

akta.pro primary industry

Composite Structures & Layup Manufacturing (IMABAEAB)

akta.pro secondary industry

Structural Assemblies & Integration (Airframe Subassemblies) (IMABAEAD)

Keywords

• Carbon fiber composites
• Hollow structural parts
• Autoclave manufacturing
• Aerospace composite parts
• Motorsport carbon components

Headquarters

HQ city

Treffléan

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

Revenue model

1. Custom Composite Manufacturing: One-time contract manufacturing of custom hollow carbon composite parts for client-specific applications. Revenue derived from bespoke engineering, prototyping, and production of structural parts for competitive sailing, automotive racing, aerospace, and industrial clients. No public pricing; quote-based model.
2. Aerospace Subcontracting: Second-tier supplier relationship with Airbus, providing assembly templates, drilling templates, calibration parts, test parts, and demonstrator parts for aerospace applications.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels1 record

Core offering

Heol Composites manufactures custom hollow structural carbon fiber parts using a patented single-step autoclave process that delivers parts ready-to-use from the mould without post-machining. The portfolio covers sailing appendages (foils, rudders, daggerboards, masts, battens), automotive racing chassis and bodywork, aeronautical templates and demonstrator parts, and industrial structural components. All production is performed in-house at the Treffléan (Brittany) facility equipped with two aeronautical Class 3 autoclaves and full CAD/CAM design capabilities.

Product overview

Heol Composites is a specialist manufacturer of high-performance hollow carbon fiber structural parts using an exclusive patented single-step autoclave process. The company produces a portfolio of products including carbon prepreg materials, sailing appendages (foils, rudders, daggerboards, masts), automotive racing components, industrial carbon parts, and aeronautical components for Airbus. The core technology enables hollow monoblock structural parts with reinforced longitudinal stringers that can be up to six times lighter than steel equivalents. Production capabilities include two autoclaves (Class 3 aeronautical certified), automated cutting tables, and complete design and calculation tools.

Differentiator

Problem solved

Functional benefit

Products and services

• Hollow Carbon Fiber Structural Parts

Quantifiable outcome

• Up to 6x lighter than equivalent steel parts (density 1.5 vs 7.8)
• +2 more outcomes

Named customers31 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered core and minor.

• AirbuscoreStrategic or Co-development PartnerSecond-tier supplier relationship where Heol Composites manufactures carbon composite parts for Airbus including assembly templates, drilling templates, calibration parts, test parts, and full-scale demonstrators. Partnership involves high precision requirements and thermal expansion considerations specific to carbon materials.
• FordminorStrategic or Co-development PartnerLarge carbon welding clamp manufactured for use on Ford USA assembly line, demonstrating industrial application capabilities.
• Aerospace Machining CompanyminorStrategic or Co-development PartnerPartnership with aeronautical machining company for drilling templates where high precision is required for carbon parts that don't have the same thermal expansion as aluminum templates.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Persico Marine: Italian builder of advanced composite racing yachts and structural components for America's Cup and Volvo programs; comparable in process technology (prepreg/autoclave) and customer base (elite ocean-racing teams).
• CDK Technologies: Brittany-based composite fabricator producing hollow carbon parts for Imoca 60s, America's Cup and other competitive sailing programs; serves the same customer set and uses analogous autoclave-cured prepreg layup methods.
• Multiplast: French specialist in carbon composite parts for racing yachts and multihulls (including Imoca 60s and Ultim trimarans) also based in the Brittany/Vannes basin; competes head-to-head with Heol for the same offshore-racing foil and structural-part programs.
• Lorima: French manufacturer of carbon-fiber masts and booms for racing yachts (including IMOCA, Class 40, America's Cup); an adjacent direct competitor in the high-performance sailing composite appendages market where Heol also supplies.

Broad incumbents

• SGL Carbon: German carbon-fiber and composite-products manufacturer with operations across automotive, aerospace, industrial and wind; a scaled incumbent in the same carbon-composite materials and parts ecosystem where Heol competes.
• Safran: French tier-1 aerospace engine and equipment manufacturer and Heol customer with extensive in-house composites capability; a much larger broad incumbent but representative of the customer profile Heol is targeting.
• Gurit: Switzerland-based global supplier of composite materials, prepregs, core materials and engineering services to wind, marine and aerospace markets; broader portfolio but overlapping technology and end-customers (racing yacht builders, wind-turbine and aerospace programs).
• Hexcel: Large US-listed carbon fiber and prepreg manufacturer serving aerospace, defense, wind and motorsport; an upstream supplier rather than direct fabricator but a clear comparable for the prepreg/autoclave processing Heol specializes in.

Others

• Sonaca: Belgian tier-1 aerostructures supplier to Airbus (and a Heol customer); positioned one level upstream in the aerospace value chain and a relevant comparable for the certification-driven roadmap Heol is currently pursuing.
• North Sails: Major sailing OEM and Heol customer; not a fabricator of composite parts itself but operates in the same elite competitive-sailing ecosystem and frequently co-engineers structural apparel with composite-part specialists.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/HEOLComposites
• LinkedInlinkedin.com/company/heol-composites

Compliance3 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 Heol Composites