S3d Ingénierie
S3d Ingénierie is a privately held French engineering consultancy delivering specialized engineering services across methanization, pyrogasification, alternative fuels, performance strategy, and integrated project methodology for industrial energy-sector clients pursuing energy transition.
- Company typePrivate
- Founded2007
- HeadquartersNantes, France
- Headcount501–1,000
- GTM typeB2B
- OfferingServices
What S3d Ingénierie does
S3d Ingénierie (also branded as S3D) is a privately held French engineering consultancy focused on the energy transition. According to the company's website, it operates across five interconnected service domains: Méthanisation (methanization/biogas production via anaerobic digestion), Pyrogazéification (thermal conversion of biomass and waste into syngas), Carburants alternatifs (alternative and sustainable fuel engineering), Stratégie performance (operational efficiency consulting), and Approche globale (an integrated project-development methodology). The firm positions itself as a specialist in renewable-energy engineering rather than a generalist industrial consultancy, with value propositions centered on helping industrial clients meet energy-transition requirements, manage organic waste, and reduce carbon footprint.
The underlying technology stack is conventional engineering services rather than a software or AI platform; S3d Ingénierie delivers process and project engineering rather than proprietary software products. Its service areas are documented on sol3d.com with dedicated pages, alongside recruitment, innovation, projects, and news sections indicating an active operating business. The company appears to target industrial energy-sector clients and the alternative-fuels industry as its primary customer segments, operating on a horizontal segmentation basis.
The business model is project-based B2B engineering consultancy revenue: the firm sells engineering and consulting engagements directly to industrial clients seeking energy-transition solutions. Pricing is not publicly disclosed, no customer logos or revenue figures are available, and no funding rounds, M&A activity, partnerships, headcount, or geographic reach data are present in the source material. Corporate identity, operating status, and service portfolio are sourced from the firm's own website (sol3d.com).
S3d Ingénierie firmographics
Firmographics- Name
- S3d Ingénierie
- Website
- https://sol3d.com
- Company type
- Private
- Founded year
- 2007
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- S3d Ingénierie is a privately held French engineering consultancy delivering specialized engineering services across methanization, pyrogasification, alternative fuels, performance strategy, and integrated project methodology for industrial energy-sector clients pursuing energy transition.
- Ownership category
- akta.pro rank
S3d Ingénierie industry classification
Industry- Product category
- Energy Transition Engineering Services
- NAICS
- Engineering Services (541330), Architectural, Engineering, and Related Services (5413), Engineering Services (54133)
- SIC
- Services-Engineering Services (8711)
- akta.pro primary industry
- Energy Systems & Power Engineering Consulting (BPAHAIAG)
- akta.pro secondary industries
- BECCS Project Development & Integration (Permitting, FEED, EPC Interface) (EUAAALAA), E‑Fuels & Synthetic Hydrocarbons (e‑kerosene, e‑diesel, e‑gasoline, e‑methane) (EUABAIAA), Industrial Decarbonization EPC, Integration & O&M Services (Design/Build/Operate) (EUABAJAM)
Keywords
Where S3d Ingénierie is headquartered
LocationHeadquarters
- HQ city
- Nantes
- HQ country
- France
- HQ region
- Europe
Markets served
S3d Ingénierie business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Technology or R&D
S3d Ingénierie product offering
Product offeringCore offering
S3d Ingénierie is a French engineering consultancy firm providing specialized engineering services across the energy transition sector. The company delivers engineering solutions for methanization (biogas production through anaerobic digestion), pyrogasification (thermal conversion of organic materials into synthesis gas), alternative fuel production, performance strategy consulting, and an integrated global approach methodology that combines multiple aspects of project development for industrial clients.
Product overview
S3d Ingénierie is an engineering company that offers a portfolio of specialized service areas focused on the energy transition and sustainable resource management. The company operates across five interconnected service domains: Méthanisation (methanization/biogas production), Pyrogazéification (pyrogasification), Carburants alternatifs (alternative fuels), Stratégie performance (performance strategy), and Approche globale (global approach). These services appear to be offered as part of an integrated engineering consultancy rather than as discrete software products or modules.
Differentiator
Problem solved
Functional benefit
Products and services
- Méthanisation (Methanization) Engineering services for biogas production through anaerobic digestion, supporting industrial clients in converting organic waste into renewable energy. Targeted at industrial energy sector companies seeking clean energy transition solutions.
- Pyrogazéification (Pyrogasification) Engineering services for converting organic materials and biomass into synthesis gas through thermal processes. Aimed at industrial clients in waste-to-energy and renewable energy sectors.
- Carburants alternatifs (Alternative Fuels) Engineering services supporting the development and optimization of alternative fuel production for companies in the bioenergy and sustainable fuels sector.
- Stratégie performance (Performance Strategy) Consulting and engineering services aimed at optimizing operational efficiency for industrial clients in the energy transition sector.
- Approche globale (Global Approach) Comprehensive engineering methodology integrating multiple aspects of energy transition project development, offered as an integrated consultancy service for industrial clients.
Companies that use S3d Ingénierie
Customer profileSegments2 records
Ideal customer profiles1 record
S3d Ingénierie technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
S3d Ingénierie partnerships and signals
Strategic signalRecent moves5 records
Expansion highlights4 records
S3d Ingénierie competitors and assessment
Company assessmentBroad incumbents
- Setec: French multi-disciplinary engineering group with energy, environment, and industrial project practices. Competes for the same industrial energy transition mandates S3D targets, though from a much broader engineering platform.
- Burgeap: Suez subsidiary providing environmental and energy engineering consultancy in France. Overlaps with S3D in industrial environmental engineering, biogas assessments, and energy transition project support.
- Egis: Large French engineering group active in energy, environment, and infrastructure. Competes with S3D for industrial and public-sector mandates tied to energy transition and waste-to-energy projects.
- SAFEGE: Suez-owned French engineering consultancy covering environment, water, energy, and infrastructure. Competes for industrial and public engineering mandates including energy transition and environmental permitting adjacent to S3D's offering.
- Artelia: Major French engineering group with significant energy, environment, and industrial process engineering practices. Overlaps with S3D across alternative fuels, decarbonization, and industrial engineering, but operates at much larger scale with broader sector coverage.
- Tractebel: Engie-owned European engineering consultancy with deep energy, power, and decarbonization practices. Provides overlapping engineering and consulting services to industrial energy clients across alternative fuels and bioenergy.
Direct peers
- SCE: French environmental and infrastructure engineering consultancy explicitly referenced as a collaborating firm with S3D on joint initiatives. Overlaps with S3D in energy transition, environmental engineering, and project delivery for French public and industrial clients.
- Naskeo: French engineering consultancy specialized in methanization and biogas plant design, construction supervision, and operational optimization. Directly comparable to S3D's methanization service line and serves the same industrial developer client base in France.
- Keran: French consulting and engineering firm named alongside S3D in joint CODIR activities, operating in adjacent energy and environmental engineering niches. Comparable scale and target market to S3D with overlapping service offerings in transition consulting.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat1 record
Key risks6 records
Key highlights5 records
Customer concentration
S3d Ingénierie social profiles
Digital presenceS3d Ingénierie financial estimates
Financial estimateRevenue estimate
Valuation estimate
S3d Ingénierie leadership team
Management profileNumber of profiles
S3d Ingénierie funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
S3d Ingénierie 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 S3d Ingénierie
What does S3d Ingénierie do?
S3d Ingénierie is a French engineering consultancy firm providing specialized engineering services across the energy transition sector. The company delivers engineering solutions for methanization (biogas production through anaerobic digestion), pyrogasification (thermal conversion of organic materials into synthesis gas), alternative fuel production, performance strategy consulting, and an integrated global approach methodology that combines multiple aspects of project development for industrial clients.
Is S3d Ingénierie a public or private company?
S3d Ingénierie is a private company. It is classified as unknown and is currently operating.
When was S3d Ingénierie founded?
S3d Ingénierie was founded in 2007. It employs 501 to 1,000 people.
Where is S3d Ingénierie based?
S3d Ingénierie is headquartered in Nantes, France, in the Europe region.
Who are S3d Ingénierie's main competitors?
Broad incumbents on record are Setec, Burgeap, Egis, SAFEGE, Artelia and Tractebel. Direct peers are SCE, Naskeo and Keran.
Does S3d Ingénierie have an API?
No public API is recorded for S3d Ingénierie.
What industry is S3d Ingénierie in?
S3d Ingénierie's product category is Energy Transition Engineering Services. Its primary akta.pro industry code is BPAHAIAG, Energy Systems & Power Engineering Consulting, with a secondary code of EUAAALAA, BECCS Project Development & Integration (Permitting, FEED, EPC Interface). Its NAICS code is 541330 and its SIC code is 8711.