SOL CONSEIL
SOL CONSEIL is a French geotechnical engineering consultancy in Troyon delivering OPQIBI-certified ground studies for building, civil engineering, road/railway, energy, hospitality, and territorial clients across France, operating as part of the Verticalsea collective with 40+ years of project experience.
- Company typePrivate
- Founded1982
- HeadquartersTroyon, France
- Headcount11–50
- GTM typeB2B
- OfferingServices
What SOL CONSEIL does
SOL CONSEIL is a French geotechnical engineering consultancy headquartered in Troyon, France, with more than 40 years of operating history. The firm delivers geotechnical studies and ground-engineering expertise across six vertical sectors: building, civil engineering, road/railway infrastructure, industry/energy, hospitality, and territorial development. It holds OPQIBI certification, the French qualification standard required for geotechnical engagements on regulated public and private projects.
The company operates as one of six complementary engineering entities within the Verticalsea collective — alongside Builders, Tecta, Soler IDE, Sennse, and Arc Alpin — under the Vertical Sea parent structure. This collective positioning enables cross-referral across the construction and infrastructure lifecycle and supports bundled tenders that a standalone geotechnical boutique could not pursue. The firm is private, with headcount in the 11–50 range, and no disclosed revenue, customer logos, or executive leadership information is publicly available in the input data.
The business model is project-based professional services: engagements are scoped per site and per client requirement, with pricing tied to investigation scope, drilling/testing programs, laboratory analysis, and interpretive reporting. The firm has no disclosed subscription, SaaS, or recurring-revenue component, and no AI/ML or proprietary technology stack is referenced — the offering is grounded in conventional field investigation, lab testing, and engineering interpretation.
SOL CONSEIL firmographics
Firmographics- Name
- SOL CONSEIL
- Legal name
- Sol Conseil
- Website
- https://solconseil.fr
- Company type
- Private
- Founded year
- 1982
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- SOL CONSEIL is a French geotechnical engineering consultancy in Troyon delivering OPQIBI-certified ground studies for building, civil engineering, road/railway, energy, hospitality, and territorial clients across France, operating as part of the Verticalsea collective with 40+ years of project experience.
- Ownership category
- akta.pro rank
SOL CONSEIL industry classification
Industry- Product category
- Geotechnical Engineering Services
- NAICS
- Geophysical Surveying and Mapping Services (541360)
- SIC
- Services-Engineering Services (8711)
- akta.pro primary industry
- Geotechnical & Subsurface Engineering Consulting (BPAHAIAB)
- akta.pro secondary industries
- Geotechnical Investigation & Site Characterization (Boreholes, In-situ Testing, Lab Testing) (IMAFAOAG), Geotechnical Instrumentation & Monitoring (Settlement, Inclinometers, Piezometers) (IMAFAOAH), Dewatering, Groundwater Control & Construction Hydrogeology (EUAHAFAG)
Keywords
Where SOL CONSEIL is headquartered
LocationHeadquarters
- HQ city
- Troyon
- HQ country
- France
- HQ region
- Europe
Markets served
SOL CONSEIL business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Geotechnical Consulting Services: Professional consulting services including soil studies, ground investigation, foundation design, geotechnical risk management, and construction phase monitoring. Revenue is generated through project-based engagements where clients commission specific geotechnical services for construction and infrastructure projects.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
SOL CONSEIL product offering
Product offeringCore offering
SOL CONSEIL provides geotechnical engineering consulting services, including soil studies, terrain reconnaissance, foundation design and dimensioning, geotechnical risk management, soil-structure interaction analysis, and construction phase monitoring. The firm applies scientific analysis of soil composition, geological history, hydrological conditions, and anthropic factors to help construction, infrastructure, and development projects adapt to real ground conditions rather than imposing standardized technical solutions.
Product overview
Sol Conseil is a geotechnical engineering consultancy and part of the VerticalSea collective. The company offers a unified suite of geotechnical services centered around understanding and analyzing soil conditions for construction projects. Services include soil studies, terrain reconnaissance, foundation design and dimensioning, geotechnical risk management, soil-structure interaction analysis, and construction phase monitoring. With more than 40 years of experience, Sol Conseil integrates geotechnical expertise from early project phases through construction completion, helping clients adapt projects to real ground conditions rather than imposing standardized solutions.
Differentiator
Problem solved
Functional benefit
Products and services
- Géotechnique (Geotechnical Services) Comprehensive geotechnical engineering services covering soil studies, terrain reconnaissance, foundation design and dimensioning, geotechnical risk management, soil-structure interaction analysis, and construction phase monitoring, aimed at construction companies, project developers, engineering firms, and public authorities requiring ground assessment for building, civil engineering, road, and railway projects.
Companies that use SOL CONSEIL
Customer profileSegments6 records
Ideal customer profiles2 records
SOL CONSEIL technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
SOL CONSEIL partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Verticalsea CollectivecoreSOL CONSEIL is one of six specialized entities forming the Verticalsea collective, a multidisciplinary engineering and consulting group. The collective includes: Builders (building sector), Tecta (urban planning), Sol Conseil (geotechnics), Soler IDE (environment), Sennse (concertation and communication), and Arc Alpin (Alpine region operations). This structure enables cross-disciplinary collaboration and comprehensive project support.
Scale indicators1 record
Recent moves5 records
Expansion highlights4 records
SOL CONSEIL competitors and assessment
Company assessmentDirect peers
- Antea Group: Environmental and engineering consultancy offering site characterization, soil and groundwater investigation, and geotechnical risk services. Highly comparable to SOL CONSEIL where soil, water, and project-lifecycle concerns intersect.
- Terrasol (Setec group): French geotechnical consultancy within the Setec engineering group, focused on soil mechanics, foundation design, and ground risk analysis — closely aligned to SOL CONSEIL's methodology of adapting designs to real soil behavior.
- Geotec: Specialized French geotechnical engineering firm providing soil studies, ground investigation, and foundation engineering for construction and infrastructure — operating in the same niche and serving the same French client base.
- Ginger CEBTP: Leading French geotechnical and soil-engineering consultancy offering soil studies, foundation design, and site investigation services across infrastructure and building projects — directly comparable to SOL CONSEIL's core offerings.
Broad incumbents
- Fugro: Global geoscience and site-characterization company providing geotechnical investigations, surveys, and foundation advice for infrastructure and energy projects. A broader international incumbent with comparable subsurface expertise to SOL CONSEIL.
- Egis: Major French engineering group covering infrastructure, buildings, mobility, and environment, including significant in-house geotechnical capabilities. Competes with SOL CONSEIL on large public infrastructure mandates and can absorb specialist soil work.
- Arcadis: Global design and engineering consultancy with significant geotechnical and ground-engineering practices serving buildings, mobility, and energy markets — competes with SOL CONSEIL on large multidisciplinary mandates in France and Europe.
- Apave: French group specializing in technical inspection, compliance, and engineering services for construction and industry. Overlaps with SOL CONSEIL on technical control and soil/foundation advisory work for buildings and infrastructure.
- Bureau Veritas: Global testing, inspection, and certification group with built-environment and infrastructure service lines in France, including soil and materials engineering — broader portfolio but competes for similar technical-control engagements.
Regional players
- Hydrogeotechnics: European geotechnical and environmental consultancy providing site investigation, foundation, and geotechnical risk services primarily outside France. A regional peer with comparable offerings rather than a direct domestic competitor.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
SOL CONSEIL social profiles
Digital presenceSOL CONSEIL compliance and trust
Trust signalCompliance1 record
SOL CONSEIL financial estimates
Financial estimateRevenue estimate
Valuation estimate
SOL CONSEIL leadership team
Management profileNumber of profiles
SOL CONSEIL funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SOL CONSEIL 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 SOL CONSEIL
What does SOL CONSEIL do?
SOL CONSEIL provides geotechnical engineering consulting services, including soil studies, terrain reconnaissance, foundation design and dimensioning, geotechnical risk management, soil-structure interaction analysis, and construction phase monitoring. The firm applies scientific analysis of soil composition, geological history, hydrological conditions, and anthropic factors to help construction, infrastructure, and development projects adapt to real ground conditions rather than imposing standardized technical solutions.
Is SOL CONSEIL a public or private company?
SOL CONSEIL is a private company. It is classified as corporate owned and is currently operating.
When was SOL CONSEIL founded?
SOL CONSEIL was founded in 1982. It employs 11 to 50 people.
Where is SOL CONSEIL based?
SOL CONSEIL is headquartered in Troyon, France, in the Europe region.
How does SOL CONSEIL make money?
One revenue line is on record: geotechnical Consulting Services.
Who are SOL CONSEIL's main competitors?
Direct peers on record are Antea Group, Terrasol (Setec group), Geotec and Ginger CEBTP. Broad incumbents are Fugro, Egis, Arcadis, Apave and Bureau Veritas. Hydrogeotechnics is listed as a regional player.
Does SOL CONSEIL have an API?
No public API is recorded for SOL CONSEIL.
What industry is SOL CONSEIL in?
SOL CONSEIL's product category is Geotechnical Engineering Services. Its primary akta.pro industry code is BPAHAIAB, Geotechnical & Subsurface Engineering Consulting, with a secondary code of IMAFAOAG, Geotechnical Investigation & Site Characterization (Boreholes, In-situ Testing, Lab Testing). Its NAICS code is 541360 and its SIC code is 8711.