Junior CentraleSupelec

What Junior CentraleSupelec does

Junior CentraleSupélec (JCS) is a French student-run Junior-Entreprise operating as an Association loi 1901, founded in 2017 through the merger of J2S and JCE and hosted at the CentraleSupélec Paris-Saclay campus in Gif-sur-Yvette. It is the official student enterprise of one of France's elite engineering grandes écoles and draws on more than 4,300 mobilizable students across three campuses, 370 teacher-researchers, 16 research laboratories, and a 1,500 m² fablab ("La Fabrique") equipped with 100+ machines.

JCS delivers 13 service lines — web, software, mobile, cybersecurity, AI and data, market research, business plans, electronics, CAD, applied sciences, feasibility studies, and environmental consulting — using a project-based consulting model where student teams execute under senior supervision. Pricing ranges from €340 to €34,900 per project. The client book is anchored by CAC40 enterprises — EDF, RTE, ArianeGroup, Allianz Partners, Richemont, Prologis, InVivo, Kistler, Elior — alongside startups and SMBs, with stated penetration of 75% of the CAC40. Strategic partners include EY, ALTEN, BNP Paribas, ENGIE, Capgemini, Advancy, CNJE, JEE, CentraleSupélec, and La Fabrique.

The organization is ISO 9001 certified since 2008 and ISO 14001 certified since 2023, and has ranked among France's top 6 Junior-Entreprises for nine consecutive years. It has been named France's Best JE in 2021, 2022, and 2026 and Europe's Best JE in 2019, 2020, 2021, and 2024. Revenue reached €900k in 2025, with July 2025 alone generating €128k, and operational capacity was expanded in 2025 through the mobilization of 4 full-time members.

Name

Junior CentraleSupelec

Legal name

Junior CentraleSupélec

Website

https://juniorcs.fr

Company type

Private

Founded year

2017

Operating status

Operating

Headcount range

11–50 employees

Short description

Junior CentraleSupélec is a French student-run consulting firm hosted at CentraleSupélec engineering school, delivering 13 services spanning software, AI, cybersecurity, market research and engineering to CAC40 enterprises and startups via supervised student teams.

Ownership category

akta.pro rank

Product category

Engineering Consulting Services

NAICS

Other Technical and Trade Schools (611519), Colleges, Universities, and Professional Schools (6113)

SIC

Services-Educational Services (8200)

akta.pro primary industry

Undergraduate Business Schools (BBA/BSBA Programs) (EDAHAHAA)

akta.pro secondary industry

Project, Quality & Operations (PMP PDUs, Six Sigma, Quality CE) (EDAAALAM)

Keywords

• Engineering consulting services
• Custom software development
• Market research services
• Cybersecurity consulting
• Data analytics services

Headquarters

HQ city

Gif-sur-yvette

HQ country

France

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Project-Based Consulting & Engineering Services: JCS generates revenue by delivering fee-for-service consulting and engineering projects to corporate clients. Projects range from web development (€1,450–€18,280), software development (€27,700–€34,900), mobile apps (€10,200–€18,200), AI/algorithm projects (€4,950–€12,540), data analytics (€2,800–€7,800), electronics/PCB (€340–€19,250), environmental studies (€2,560–€8,950), feasibility studies (€2,920–€12,250), market research (€6,660–€9,330), and strategy/business plan services (€5,350–€6,900). Each project is priced individually based on scope, duration, and team requirements. Revenue in 2025 reached a record €900k.

Pricing tiers

Go-to-market motion2 records

Distribution channels1 record

Marketing channels5 records

Core offering

Junior CentraleSupelec is a French student-run engineering consultancy that delivers 14 distinct service lines - including custom software development, web and mobile development, cybersecurity, AI, data analytics, market research, business plan drafting, state-of-the-art studies, electronics, CAD, applied sciences, feasibility studies, and environmental consulting - to enterprise and startup clients using a mobilizable pool of more than 4,300 CentraleSupelec engineering students. Revenue in 2025 was approximately €900,000, and the organization has served roughly 75% of CAC40 companies.

Product overview

Junior CentraleSupélec is a student-run consulting and engineering services company offering 13 distinct service lines across digital, strategy, AI, data, electronics, engineering, and environmental domains. Services include Web Development (with CMS platforms like WordPress, Joomla, Drupal), Software Development (custom software, ERP), Mobile Development (Android, iOS, hybrid), Cybersecurity, Market Research, Business Planning, State of the Art studies, AI & Algorithms (NLP, computer vision), Data Analytics, Electronics Assembly & 3D Printing, CAD Modeling, Applied Sciences, Feasibility Studies, and Environmental Solutions. The company operates as a services firm leveraging CentraleSupélec engineering students rather than a software product company.

Differentiator

Problem solved

Functional benefit

Products and services

• Custom Software Development

Quantifiable outcome

• Record revenue of €900k in 2025, marking exceptional growth and surpassing previous performance levels
• +4 more outcomes

Named customers25 records

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability14 records

Feature5 records

Partnerships

Twelve partnerships are on record, tiered core and minor.

• EY (Ernst & Young)coreGTM or Marketing PartnerEY serves as a key partner in CNJE award ceremonies and the Prix d'Excellence competition. EY was among the organizations (along with ALTEN, BNP Paribas, ENGIE, CNJE COS) that selected the 6 best Junior-Enterprises of 2024. EY also partners on events such as the Grand Oral final held at EY's First Tower offices. JCS has been finalist for the EY Award for Best Consulting Study multiple times.
• ALTENcoreGTM or Marketing PartnerALTEN is a key institutional partner in the CNJE award ecosystem, participating in the selection of top French Junior-Enterprises. ALTEN hosts award final presentations at its offices. JCS has been finalist and winner of the ALTEN Award for Best Engineering Study (2024, 2025).
• BNP ParibascoreGTM or Marketing PartnerBNP Paribas is a major institutional partner of the CNJE movement, participating in Junior-Entreprise rankings and award juries. BNP Paribas has awarded JCS the CSR prize (2023) and the Best Committed Sales Support prize (2025). Award presentations are held at BNP Paribas offices.
• ENGIEcoreGTM or Marketing PartnerENGIE participates as a jury member in the CNJE Prix d'Excellence selection process. Along with EY, ALTEN, BNP Paribas, and CNJE COS, ENGIE helps evaluate the top Junior-Enterprises in France based on criteria including management quality and strategic vision.
• AdvancyminorImplementation/ SI/ Consulting PartnerAdvancy is a strategic consulting firm that has trained JCS members in market research methodologies. This partnership enhances the quality of JCS's strategic consulting deliverables and develops student expertise.
• We Don't Need RoadsminorStrategic or Co-development PartnerListed as a partner on JCS's website. Nature of partnership appears related to innovation and technology collaboration, possibly connected to the CentraleSupélec startup ecosystem.
• AlumneyeminorOthersListed as a partner on JCS's website. Nature of partnership is not explicitly detailed in available source material.
• La Fabrique (CentraleSupélec FabLab)coreTechnology or IntegrationLa Fabrique is CentraleSupélec's 1,500 m² fablab dedicated to technological innovation, experimentation, and prototyping. It houses over 100 machines and hundreds of m² of equipment. JCS leverages La Fabrique for engineering projects requiring physical prototyping, electronics assembly, and 3D printing. Students benefit from state-of-the-art environment supported by researcher expertise.
• CapgeminiminorStrategic or Co-development PartnerJCS maintains a strategic partnership with Capgemini, a world-renowned consulting firm. This partnership enriches professional opportunities for JCS members and provides access to cutting-edge expertise.
• Junior-Entreprise Europe (JEE)coreStrategic or Co-development PartnerJEE is the European umbrella organization for Junior-Enterprises. JCS participates in JE Europe Excellence Awards organized by JEE, winning the Junior Enterprise of the Year title in 2019, 2020, 2021, and 2024. The 2026 final took place at the Winter Conference in Brussels.
• Confédération Nationale des Junior-Entreprises (CNJE)coreStrategic or Co-development PartnerCNJE is the national confederation governing Junior-Enterprises in France. JCS participates in CNJE's National Winter and Summer Congresses, the Prix d'Excellence competition, and partner award programs. The CNJE COS (Committee of Honor) participates in jury evaluations.
• CentraleSupéleccoreStrategic or Co-development PartnerJCS is the official student-run junior enterprise of CentraleSupélec. The school provides access to 4,300+ students across 3 campuses, 370 teacher-researchers, 16 laboratories, La Fabrique fablab, and institutional credibility. This is the foundational partnership enabling JCS's existence and talent pipeline.

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Capgemini: Global IT services and consulting giant, and a strategic partner of JCS. Operates at vastly larger scale but competes for overlapping digital, AI, and engineering services mandates in the French enterprise market.
• EY (Ernst & Young): Big 4 professional services firm and core JCS partner for the EY Award for Best Consulting Study. Competes for strategy, consulting, and digital transformation mandates, though at much larger scale and price points.
• ALTEN: French engineering and technology consulting firm, listed partner of JCS. Competes for similar electronics, embedded systems, and engineering consulting projects but operates with full-time professional staff.
• Advancy: Strategy consulting firm that has trained JCS members in market research methodologies. Operates in the same strategy consulting space as JCS but with full-time consultants at premium pricing.

Direct peers

• Audencia Junior Conseil: Junior-Entreprise of Audencia Business School, a top French grande école. Direct peer competing in CNJE rankings and for the same enterprise client base, particularly in strategy and market research.
• ESSEC Junior Conseil: Student-run consulting firm at ESSEC Business School. Operates the same Junior-Entreprise model under the CNJE framework, competing for the same CAC40 enterprise clients and awards.
• Polytechnique Junior Consultant: Junior-Entreprise of École Polytechnique, France's premier engineering school. Most direct engineering-school peer to JCS, with similar technical depth and competition for science/engineering projects.
• HEC Junior Conseil: Student-run consulting firm at HEC Paris, one of France's top business schools. Direct competitor in the French Junior-Entreprise movement, offering similar consulting services to enterprise and startup clients.
• ESCP Junior Conseil: Junior-Entreprise of ESCP Business School, another top-tier French grande école. Direct peer in the Junior-Entreprise rankings and shares comparable service offerings in consulting and digital services.
• EDHEC Junior Conseil: Junior-Entreprise of EDHEC Business School in Lille/Nice. Direct peer within the CNJE movement offering similar consulting services to enterprise clients, often competing in the same L-tier rankings as JCS.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks7 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/posts/junior-centralesup-lec_jcs-meilleure-je-deurope-2024-activity-7170760032148410368-IC1u
• Xx.com/jcs_je

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

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 Junior CentraleSupelec