Control G
Contrôle G is a French accredited technical control bureau offering building inspection, diagnostic, and certification services across 7 competency poles, serving construction, public sector, and real estate clients in northern France through 5 regional agencies.
- Company typePrivate
- Founded1993
- HeadquartersParis, France
- Headcount11–50
- GTM typeB2B
- OfferingServices
What Control G does
Contrôle G is a French technical control bureau (bureau de contrôle technique) founded in 1993 by Pierre Guenais and headquartered in Paris. The company operates through 5 regional agencies across Hauts-de-France and Île-de-France, employing 70+ collaborators organized into 7 competency poles: technical control (Contrôle Technique), electrical inspection (Exploitation), health and safety coordination (CSPS), environmental certification (Labellisation), material diagnostics (amiante, plomb, PEMD), structural and heritage diagnostics (Structure et Patrimoine), and thermal/acoustic performance. In January 2026, the company launched Gecko, a wholly-owned subsidiary dedicated to thermal and acoustic engineering studies.
The firm's technical capabilities rest on specialized inspection equipment including FERROSCAN (non-destructive concrete reinforcement scanning), thermal imaging cameras, blower door testing (infiltrométrie), X-ray fluorescence analyzers for lead detection, and air sampling pumps for asbestos fiber measurement. These tools support regulatory compliance verification across French construction standards (CONSUEL, VIET, Q18, NF P03-100, RE2020). The company holds accredited technical controller status and sector-specific approvals, which form the regulatory basis for issuing binding compliance verifications.
The business model is professional services-based: project-by-project quotes for inspection, diagnostic, and certification engagements, with revenue generated per inspection report, diagnostic assessment, or coordination mandate. The go-to-market is sales-led, with dedicated commercial teams, Regional Sales Directors, and account managers conducting direct field sales across the regional agency network. Client acquisition mixes website inquiries, LinkedIn outreach, direct calls, and job fair presence. The firm serves 3,000+ cumulative clients across 15,000+ completed projects, spanning construction companies, real estate developers, social housing operators, public sector entities, and healthcare/industrial facilities, with a notable concentration in the Hauts-de-France regional market.
Control G firmographics
Firmographics- Name
- Control G
- Legal name
- Contrôle G
- Website
- https://controle-g.com
- Company type
- Private
- Founded year
- 1993
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Contrôle G is a French accredited technical control bureau offering building inspection, diagnostic, and certification services across 7 competency poles, serving construction, public sector, and real estate clients in northern France through 5 regional agencies.
- Ownership category
- akta.pro rank
Control G industry classification
Industry- Product category
- Building Technical Control and Inspection Services
- NAICS
- Testing Laboratories and Services (541380), Building Inspection Services (54135)
- SIC
- Services-Testing Laboratories (8734)
- akta.pro primary industry
- Smoke Control & Fire/Smoke Damper Inspection & Testing (IMAIAJAI)
- akta.pro secondary industry
- Building Management System (BMS)/Controls Maintenance & Commissioning (BPABACAE)
Keywords
Where Control G is headquartered
LocationHeadquarters
- HQ city
- Paris
- HQ country
- France
- HQ region
- Europe
Offices5 records
Markets served
Control G business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure
Revenue model
- Technical Control Services: Regulatory technical control inspections for construction projects including structural compliance, fire safety, accessibility, and foundation verification from design through completion. Revenue generated through project-based fees per inspection and ongoing monitoring visits.
- Diagnostic Services: Material diagnostics including asbestos, lead, PEMD (products, equipment, materials, waste) assessments before construction or demolition work. Fee-based per diagnostic report issued.
- SPS Coordination Services: Health and Safety Coordination (Coordination SPS) services across three levels for construction sites with multiple contractors. Billed per project with scope based on complexity level.
- Electrical Inspection Services: Regulatory electrical installations verification including CONSUEL, VIET, VIE, Q18, VRE, and periodic verifications. Annual and initial verification services for compliance certification.
- Certification and Labeling Services: Building certification support including NF Habitat evaluation, BPH CERQUAL, Promotelec, and Prestaterre labeling assistance. Revenue from evaluation and certification support fees.
- Thermal and Acoustic Studies: Performance studies through Gecko subsidiary including thermal attestations, acoustic analyses, energy audits, carbon footprint (ACV), and DPE assessments. Project-based fees for technical studies.
- Structural and Heritage Diagnostics: Structural diagnostics, FERROSCAN analysis, seismic attestations, accessibility attestations, and building health assessments including DTG, PPPT, and structural follow-ups.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Pay-as-you-go | Project-based professional services pricing |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels7 records
Control G product offering
Product offeringCore offering
Contrôle G is a French technical control bureau that performs regulatory building inspections, safety coordination, and materials diagnostics for construction and renovation projects. Its portfolio spans technical control (solidity, fire safety, accessibility, foundations), electrical installation verification, CSPS safety coordination on multi-contractor sites, asbestos/lead/PEMD diagnostics, structural and heritage assessments using FERROSCAN, and building certification/labeling support, with thermal and acoustic services delivered through its wholly-owned subsidiary Gecko. Services are delivered by 70+ collaborators across five regional agencies in Hauts-de-France and Île-de-France.
Product overview
Contrôle G operates as a multi-disciplinary technical control bureau structured around 7 core competency poles and one subsidiary. The core poles cover Contrôle Technique (technical building control), Exploitation (electrical inspection), CSPS (construction safety coordination), Labellisation (environmental certification), Diagnostic matériaux (asbestos/lead/materials diagnostics), Structure et Patrimoine (structural diagnostics), and Thermique et Acoustique (energy/acoustic performance). Gecko operates as a dedicated subsidiary specializing in thermal and acoustic engineering studies. Together, these services provide comprehensive building lifecycle support from initial technical control through energy certification and structural diagnostics.
Differentiator
Problem solved
Functional benefit
Brands
- Gecko: Subsidiary specialized in thermal and acoustic studies, energy performance, DPE, acoustic analyses, and environmental studies for buildings
Products and services
- Pôle Contrôle Technique (Technical Control) Core technical control service verifying compliance, solidity, and safety of buildings throughout the construction process, covering structures, fire protection, foundations, and environmental standards; intended for construction firms, developers, and public project owners.
- Pôle Exploitation (Electrical Inspection) Regulatory electrical inspection service conducting verifications including CONSUEL, VIET, VIE, VRE, VPCI, Q18, and periodic checks to ensure compliance with electrical safety standards; intended for industrial facilities, tertiary buildings, and operators requiring insurance and administrative compliance.
- Pôle CSPS (Safety and Health Protection Coordination) Safety and Protection of Health coordination service operating at three levels (SPS level 1, 2, and 3) to prevent risks on construction sites where multiple companies work simultaneously; intended for site owners, project managers, and contractors of multi-stakeholder construction projects.
- Pôle Diagnostic matériaux (Asbestos, Lead, PEMD) Materials diagnostic service for pre-work or demolition assessments including asbestos diagnostics, lead diagnostics, PEMD (Products Equipment Materials Waste), dust measurement, and visual control inspections; intended for property managers, owners, and developers preparing demolition or renovation work.
- Pôle Structure et Patrimoine (Structural & Heritage Diagnostics) Structural and heritage diagnostic service verifying building solidity and safety throughout the building lifecycle, including FERROSCAN analysis for concrete reinforcement localization, seismic attestations, accessibility certifications, DTG, PPPT, and structural follow-ups; intended for owners of existing and heritage buildings.
- Pôle Labellisation (Certification and Labels) Certification and labeling service assisting projects in obtaining environmental quality recognition through NF Habitat evaluations, BPH CERQUAL, Promotelec, and Prestaterre labels; intended for developers and construction firms pursuing recognized environmental quality certification.
- Pôle Thermique et Acoustique (Thermal and Acoustic Performance) Thermal and acoustic performance service offering DPE (energy performance diagnostics), RE2020 thermal analyses, acoustic classification, infiltrométrie tests, ventilation system controls, and thermographic inspections; intended for developers, social housing operators, and property owners.
- Gecko Wholly-owned subsidiary dedicated to thermal and acoustic engineering studies for construction and renovation, offering initial thermal attestations, thermal analysis for new construction and rehabilitation, energy audits, thermal loss studies, carbon footprint assessments (ACV), acoustic analyses, and impact studies; intended for construction firms, social housing, developers, and renovation project owners.
Quantifiable outcome
- 30+ years of experience supporting 15,000+ projects and 3,000+ clients
- +1 more outcomes
Companies that use Control G
Customer profileNamed customers18 records
Segments5 records
Ideal customer profiles4 records
Control G technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Control G partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- GeckocoreGecko is a wholly-owned subsidiary of Contrôle G, created in January 2026 to specialize in thermal and acoustic engineering studies. Gecko provides design-phase thermal and acoustic services including energy performance attestations, RE2020 thermal analysis, acoustic classification studies, air permeability testing (infiltrométrie), ventilation system verification, and thermal imaging. The subsidiary strengthens Contrôle G's integrated service offering while maintaining specialized focus.
Scale indicators7 records
Recent moves8 records
Expansion highlights5 records
Control G competitors and assessment
Company assessmentBroad incumbents
- Ginger CEBTP: Major French construction-focused testing and engineering group (part of Ginger group). Provides construction materials testing, technical control, and diagnostics—overlapping with several of Contrôle G's poles.
- Bureau Veritas: Global testing, inspection and certification giant with a substantial French building and construction services line. Competes on technical control and certifications but operates across many industries beyond construction.
Direct peers
- Apave: Major French accredited inspection and technical control player offering building technical control, electrical verification (CONSUEL-equivalent), asbestos diagnostics, and CSPS coordination. Comparable multi-disciplinary offering at a larger national scale.
- Qualiconsult: French technical control bureau operating across technical control, CSPS coordination, diagnostics, and energy performance services. Closely comparable mid-sized competitor with multi-region French presence.
- BTP Consultants: French construction-focused consultancy providing technical control, coordination SPS, and construction diagnostics. Direct peer in the SME technical control segment targeting similar construction and developer clients.
- Alpes Contrôles: Accredited French technical control bureau offering building technical control, diagnostics, and labeling services. Comparable mid-scale competitor with similar pole-based service organization.
- SOCOTEC: France's largest technical control bureau (bureau de contrôle technique) offering identical services: technical control, CSPS coordination, diagnostics, and certification. Most direct competitor for the core technical control pole, with national coverage that exceeds Contrôle G's regional footprint.
Others
- Socotec Group: Parent holding context for SOCOTEC France operations; relevant for understanding group-level competitive dynamics, M&A activity, and the French technical control market structure that Contrôle G operates within.
Emerging players
- VERITAS (France): Smaller French technical control and diagnostics bureau serving the same French construction market. Overlaps with Contrôle G on asbestos/lead diagnostics and technical control, typically at a sub-national scale.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Control G social profiles
Digital presenceControl G compliance and trust
Trust signalCompliance1 record
Control G financial estimates
Financial estimateRevenue estimate
Valuation estimate
Control G leadership team
Management profileNumber of profiles
Profiles10 records
Control G subsidiaries and ownership
Company hierarchySubsidiaries1 record
Control G funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Control G M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Control G
What does Control G do?
Contrôle G is a French technical control bureau that performs regulatory building inspections, safety coordination, and materials diagnostics for construction and renovation projects. Its portfolio spans technical control (solidity, fire safety, accessibility, foundations), electrical installation verification, CSPS safety coordination on multi-contractor sites, asbestos/lead/PEMD diagnostics, structural and heritage assessments using FERROSCAN, and building certification/labeling support, with thermal and acoustic services delivered through its wholly-owned subsidiary Gecko. Services are delivered by 70+ collaborators across five regional agencies in Hauts-de-France and Île-de-France.
Is Control G a public or private company?
Control G is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Control G founded?
Control G was founded in 1993. It employs 11 to 50 people.
Where is Control G based?
Control G is headquartered in Paris, France, in the Europe region.
How does Control G make money?
Seven revenue lines are on record. Technical Control Services are the primary driver. The others are diagnostic Services, SPS Coordination Services, electrical Inspection Services, certification and Labeling Services, thermal and Acoustic Studies and structural and Heritage Diagnostics.
Who are Control G's main competitors?
Broad incumbents on record are Ginger CEBTP and Bureau Veritas. Direct peers are Apave, Qualiconsult, BTP Consultants, Alpes Contrôles and SOCOTEC. Socotec Group is listed as an others. VERITAS (France) is listed as an emerging player.
Does Control G have an API?
No public API is recorded for Control G.
What industry is Control G in?
Control G's product category is Building Technical Control and Inspection Services. Its primary akta.pro industry code is IMAIAJAI, Smoke Control & Fire/Smoke Damper Inspection & Testing, with a secondary code of BPABACAE, Building Management System (BMS)/Controls Maintenance & Commissioning. Its NAICS code is 541380 and its SIC code is 8734.