LD Contrôles

What LD Contrôles does

LD Contrôles is an independent French SARL specializing in control and verification of concrete, aggregates, and soils for building, public works, and civil engineering structures. Founded in November 2007 by Fabrice Lappé, Laurent Dujol, and Nicolas Breuil through the acquisition of cement manufacturer Vicat's laboratory in Aurillac, the company operates a network of 15+ regional laboratories across France covering Auvergne-Rhône-Alpes, Bourgogne-Franche-Comté, Île-de-France, Nouvelle-Aquitaine, Occitanie, Provence-Alpes-Côte d'Azur, and Hauts-de-France. Its Naucelles laboratory holds COFRAC accreditation (No. 1-5806) for porosity testing per NF P 18-459 and resistivity testing per XP P 18-481, providing legally validated test results for hardened concrete.

The company delivers services through six interconnected sub-brands: core LD Contrôles for material testing, LD Métrologie for equipment calibration, LD Structures for structural engineering support, LD Expertises (partnering with INGES BTP) for building pathology and rehabilitation, LD Formations for professional training, and LD Géotechnique for soil geometry and geotechnical analysis. Technical capabilities include the Microbar test for alkali-aggregate reaction pathology, recycled aggregate testing (UV-visible spectrophotometry, sulfate content, mortar compatibility), and special foundation testing where LD Géotechnique director Quentin Chevalier serves as the network's national referent.

Revenue is generated through professional services contracts on a quote-based pricing model, with multi-year contract cadence. The company serves construction companies (TPE/PME BTP), civil engineering and geotechnical design offices, ready-mix concrete plants (BPE), quarry operators, insurance/legal experts, government services, and private individuals. Customer mix at LD Auvergne is approximately 80% private sector and 20% public sector. Operational throughput per laboratory includes 100+ concrete specimen series per month at Sud-Ouest and 200+ concrete interventions plus 50-70 aggregate/soil tests at Auvergne. The company is privately held with no identified external funding or parent company and operates a direct on-site field service delivery model complemented by centralized franchise-network coordination.

Name

LD Contrôles

Legal name

LD CONTROLES

Website

https://ldcontroles.fr

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

11–50 employees

Short description

LD Contrôles is an independent French laboratory network specializing in COFRAC-accredited testing of concrete, aggregates, and soils for BTP, civil engineering, and structural pathology applications across 15+ regional sites in France.

Ownership category

akta.pro rank

Headquarters

HQ city

Naucelles

HQ country

France

HQ region

Europe

Offices13 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Material Testing Services: Core business of control and verification services for concrete, aggregates, and soils including tests on hardened concrete, fresh concrete, roads, and aggregates. Also includes quality follow-up for extraction sites and BPE concrete plants.
2. Structural Expertise Services: Building pathology and structural expertise services through LD Expertises brand, analyzing cracks, subsidence, and stability for building rehabilitation projects.
3. Training Services: Training services through LD Formations for collaborators and clients across all LD Contrôles professions.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

LD Contrôles is an independent French laboratory network providing control, verification, and quality testing of concrete, aggregates, and soils for the building, public works, and civil engineering industries. Its six service brands cover the full material quality lifecycle: testing/control (LD Contrôles), metrology/calibration (LD Métrologie), structural engineering assistance (LD Structures), building rehabilitation expertise (LD Expertises), professional training (LD Formations), and geotechnical studies (LD Géotechnique). Services are delivered through 15+ regional laboratories and on-site field interventions.

Product overview

LD Contrôles operates as a network of independent material testing laboratories across France, offering six interconnected service brands covering the full construction material quality lifecycle. The core LD Contrôles brand provides control and verification of concrete, aggregates, and soils for building and civil engineering, supplemented by specialized divisions: LD Métrologie (measurement science), LD Structures (structural engineering support), LD Expertises (building pathology and rehabilitation), LD Formations (professional training), and LD Géotechnique (soil geometry and geotechnical analysis). This integrated portfolio enables clients—from private BTP companies and engineering firms to public authorities and individuals—to access comprehensive material testing, quality assurance, and technical expertise from initial design through to completed construction.

Differentiator

Problem solved

Functional benefit

Brands

• LD Métrologie: Metrology services for measurement equipment calibration and verification
• LD Structures
• LD Expertises
• LD Formations
• LD Géotechnique

Products and services

• LD Contrôles (Control of Concrete, Aggregates and Soils) Core quality control and testing service for concrete, aggregates, and soils for building, public works, and civil engineering structures. Includes production site quality monitoring for quarries and ready-mix concrete plants, with tests performed on hardened concrete, fresh concrete, roads, and aggregates.
• LD Métrologie Metrology science of measurements ensuring optimal confidence in the precision of all client equipment and testing instruments; calibration and verification services.
• LD Structures Technical assistance for experts and engineers overseeing building structural studies, providing specialized analysis and recommendations.
• LD Expertises Building rehabilitation specialist providing analysis of existing structures and structural sizing recommendations for project viability; partners with INGES BTP for expert diagnostic services including crack, subsidence, and stability assessments.
• LD Formations Training organization offering a wide range of training programs across all LD Contrôles trades, for both internal collaborators and external clients.
• LD Géotechnique Geotechnical expertise and technical analysis of soil geometry for durable construction. Includes G1 soil studies, permeability testing (Porchet), and penetration tests.

Quantifiable outcome

• Over 200 concrete interventions per month at single laboratory
• +2 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• INGES BTPcoreStrategic or Co-development PartnerPartnership for building structural expertise services. LD Contrôles, through its LD Expertises division, works with INGES BTP to provide technical building expertise for analyzing cracks, subsidence, and stability assessment. INGES BTP serves as the expert partner for initial diagnostics when clients have structural concerns about buildings.

Scale indicators6 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• Apave: Long-established French inspection and testing group providing construction materials testing, structural assessment, and regulatory compliance services — directly comparable offering to LD Contrôles with a much larger national footprint and broader service portfolio.
• SGS: Global testing, inspection, and certification company with an Industrial and Construction services line in France — comparable as a broad incumbent providing materials and construction testing, though at very different scale than the LD Contrôles network.
• Cerema: Public French center for expertise on construction, infrastructure, and environmental risks — operates laboratories and provides testing/expertise in construction materials, overlapping with LD Contrôles' technical scope, particularly for public-sector and infrastructure projects.
• Eurofins: Global testing services group with operations in construction materials, environmental, and building-product testing — broader and much larger, but overlapping with LD Contrôles on the analytical-laboratory side of the business.
• Bureau Veritas: Global testing, inspection, and certification giant with a substantial Construction division in France offering concrete, aggregate, and geotechnical testing — directly overlapping with LD Contrôles' core services but at vastly greater scale and broader geographic reach.
• SOCOTEC: Major French testing, inspection, and certification group with deep coverage in construction materials, structural diagnostics, and infrastructure — competes head-to-head with LD Contrôles across concrete, soil, and building-pathology services while serving larger enterprise and public clients.

Direct peers

• Fondasol: French geotechnical engineering and soil studies specialist with nationwide coverage — directly comparable to LD Géotechnique and the soil/concrete testing portions of LD Contrôles, serving similar BTP and infrastructure clients.
• Ginger CEBTP: Specialized French group focused on geotechnical engineering, construction materials testing, and soil studies — the closest direct peer to LD Contrôles in terms of core activity (concrete, aggregate, soil testing) and target customer base (BTP contractors, public works, engineering firms).
• Geotec: Independent French geotechnical engineering firm offering soil studies, foundation investigations, and materials testing — closely comparable in scale, business model, and customer focus to the LD Contrôles / LD Géotechnique network.

Others

• Solscope: French geotechnical trade event and information platform where LD Contrôles has a documented presence — included as an ecosystem peer rather than a direct competitor, reflecting the channel and community in which the company participates.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries12 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 LD Contrôles