What Union Syndicale Solidaires does

Union Syndicale Solidaires is a French trade union confederation headquartered at 31 rue de la Grange aux Belles in Paris (75010), operating as a non-profit member organization representing workers across both private and public sectors. It functions as an umbrella for affiliated professional unions, departmental Solidaires structures, and local chapters, recruiting members through workplace sections and direct appeals via solidaires.org. The confederation describes itself as a 'syndicalisme de lutte et de transformation sociale' — a combative, transformative unionism — distinct from reformist federations, and integrates workplace representation with broader social-movement engagement across ecology, feminism, anti-racism, and international solidarity.

Its core operational arm is CEFI Solidaires (Centre d'Etude et de Formation Interprofessionnel), the wholly-owned training center delivering interprofessional courses on labor rights, working conditions, anti-racism, ecology, and emerging topics such as AI in the workplace. CEFI bills CSE and SSCT training to employers and public administrations at the regulated rate of 432.50€ per trainee per day (Article R.4614-34). Complementary offerings include the Les Utopiques thematic journal, the Revue Internationale Solidaires, the L'Echo du CEFI newsletter, the Bibliothèque Militante, the Voies Syndicales podcast, and large annual gatherings (Rencontres d'été, Assises de la Santé et de la Sécurité). Its technology infrastructure is a website developed by HashBang with self-hosted Matomo analytics at matomo.solidaires.org, emphasizing privacy-first implementation without third-party tracking.

Its business model combines membership-based recurring revenue (dues from affiliated unions and member organizations at national and departmental levels) with regulated training fees billed to employers. The go-to-market is community-led: workers are recruited through affiliated unions and local structures rather than commercial channels, and training enrolments flow through Solidaires locaux, fédérations, and national syndicates rather than individual sign-ups. Internationally, Solidaires participates in the Réseau syndical international de solidarités et de luttes and co-pilots the Alliance écologique et sociale with six peer organizations. Revenue, headcount detail, and membership totals are not publicly disclosed.

Name

Union Syndicale Solidaires

Legal name

Union Syndicale Solidaires

Website

https://solidaires.org

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Union Syndicale Solidaires is a French non-profit trade union confederation headquartered in Paris that organizes workers across private and public sectors through affiliated unions and local chapters. It delivers workplace representation, training via its CEFI center, and publications on labor and social issues.

Ownership category

akta.pro rank

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Offices6 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Membership dues and confederation contributions: Union Syndicale Solidaires is funded primarily through membership dues contributed by its affiliated unions and member organizations at the national and departmental levels.
2. CSE and SSCT training fees billed to employers: The CEFI training arm invoices CSE (Social and Economic Committee) and SSCT (Health, Safety and Working Conditions) training to employers and public administrations, at a rate set by labor code. Rate for 2026 is 432.50€ per day per trainee.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels11 records

Core offering

Union Syndicale Solidaires is a French national trade union confederation that organizes and represents workers in both the private and public sectors through affiliated professional unions, departmental structures, and local chapters. It delivers workplace representation, collective bargaining support, and interprofessional training via its CEFI training center, and publishes periodicals (Les Utopiques, Revue Internationale Solidaires, L'Echo du CEFI) alongside resources on labor rights.

Product overview

Union Syndicale Solidaires is a French trade union federation that operates primarily as an information, advocacy, and training organization rather than a traditional product company. Its core offerings include the CEFI (Centre d'Etude et de Formation Interprofessionnelle), which provides interprofessional training for union activists through a comprehensive catalog of courses on topics including labor rights, working conditions, anti-racism, ecology, and social transformation. The organization publishes several periodicals including Les Utopiques (thematic journal), Revue Internationale Solidaires (international review), and L'Echo du CEFI (training newsletter). Additional offerings include the Bibliothèque Militante (militant library), annual events such as Les Rencontres de l'été (summer training camp) and Assises de la Santé (health and safety conference), and resources for knowing one's rights. The union maintains an online platform at solidaires.org serving as the primary interface for information, mobilization, and member services.

Differentiator

Problem solved

Functional benefit

Brands

• CEFI Solidaires: Centre d'Etude et de Formation Interprofessionnel - the union's training and education center offering courses on health, working conditions, antiracism, ecology, and union organization

Products and services

• CEFI (Centre d'Etude et de Formation Interprofessionnel Solidaires) The interprofessional training center of Union Syndicale Solidaires, delivering formation programs for union activists on labor rights, working conditions, anti-racism, discrimination, ecology, AI and labor, and union organization. Training includes CSE and SSCT courses billed to employers at 432.50€ per trainee per day.
• Les Utopiques A quarterly thematic journal published by Solidaires covering topics such as strikes, police, justice, and social transformation from a trade union perspective; contributions come from Solidaires militants, CGT, historians, sociologists, and social-movement activists.
• Revue Internationale Solidaires International review focused on internationalism, workers' movements, anti-colonialism, and global solidarity struggles, produced in connection with the Réseau syndical international de solidarit\u00e9 et de luttes.
• Les Rencontres de l'été Week-long annual summer training camp bringing together union activists from across Solidaires for intergenerational exchange and political training on union values, ecology, and antifascism; limited to approximately 120 trainee registrations per year.
• Assises de la Santé et de la Sécurité des travailleurs·euses Annual intersyndical conference bringing together over 500 participants to discuss occupational health and safety issues, including asbestos in schools, disability, work-related accidents, and climate change impacts on workers.

Quantifiable outcome

• Over 500 participants at Assises de la Santé et de la Sécurité des travailleurs·euses 2026
• +3 more outcomes

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Eight partnerships are on record, tiered core and minor.

• TIE Germany (International Workers' and Unions' Network)coreStrategic or Co-development Partner · 1 January 2026TIE Germany (Transnational Institute of Employees) is an international network of workers and trade unions in multiple countries (South Africa, Germany, Bangladesh, Brazil, USA, Mexico, Mozambique, Senegal, Sri Lanka, Turkey). TIE co-animates health mapping training sessions with Solidaires and is a member of the International Syndical Network for Solidarity and Struggles.
• Alliance écologique et sociale (AES)coreStrategic or Co-development Partner · 1 January 2020The Alliance écologique et sociale (formerly Collectif Plus jamais ça) is co-piloted by seven organizations: Les Amis de la Terre, Attac, Confédération paysanne, FSU, Greenpeace, Oxfam, and Solidaires. It functions as a broader network of local collectives, associative and syndical organizations. AES campaigns for ecological transition that protects workers and advances social justice, including a proposed new employee status based on professional social security.
• Réseau syndical international de solidarité et de luttes (International Syndical Network for Solidarity and Struggles)coreStrategic or Co-development PartnerInternational network of trade unions coordinating cross-border solidarity, campaigns (including BDS), and knowledge exchange. Solidaires participates actively, contributing to the International Review publication and hosting international events.
• Intersyndicales Femmes (Solidaires, CGT, FSU)coreStrategic or Co-development PartnerAnnual feminist inter-union gathering bringing together over 400 activists from Solidaires, CGT, and FSU to debate feminism in the workplace and society. The 2026 edition focused on austerity impacts on women, migrant women's experiences, and organizing against the extreme right.
• Les Utopiques review contributors (Gérard Gourguechon, Nicolas Bouchouicha, Alain Ruscio, Rosa Feinte, Simon Duteil, Christian Mahieux, etc.)minorOthersLes Utopiques review is primarily written by Solidaires militants but also features contributions from CGT, historians, sociologists, and social movement activists. Issue #31 on 'La Grève' included contributions from over a dozen external writers.
• Association RamazziniminorStrategic or Co-development PartnerAssociation created in 2019 bringing together occupational health doctors (active and retired) who support union teams handling serious occupational accident and disease cases. Contact: [email protected] and [email protected]
• Les Rencontres de l'été participants (annual)minorOthersAnnual week-long summer training encounter (Rencontres de l'été) at Nouan le Fuzelier bringing together militants from across Solidaires for intergenerational exchange and political training on union values, ecology, and antifascism. Limited to ~120 participants.
• Collectif Queer Parlons TravailminorStrategic or Co-development PartnerCollective contributing to LGBT+ anti-discrimination training within Solidaires, providing expertise on queer workplace issues for the national formation on acting unionically against LGBTQIA+ phobias.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• World Federation of Trade Unions (WFTU): Alternative international trade union federation with global reach and a more class-struggle orientation. Comparable as an international solidarity network but does not directly compete in French workplace representation.
• International Trade Union Confederation (ITUC): The world's largest trade union umbrella organization, coordinating national confederations globally. Operates at the international coordination level rather than direct workplace representation, making it a broad incumbent rather than a direct competitor.

Direct peers

• Confédération Française Démocratique du Travail (CFDT): The largest French trade union confederation by membership, operating across all sectors with a reformist orientation. Direct peer competing for the same workers as Solidaires but with substantially greater resources and recognition.
• Confédération Française de l'Encadrement - Confédération Générale des Cadres (CFE-CGC): French trade union confederation focused on executives, engineers, and managerial staff. Direct peer in the French confederation landscape, representing a different workforce segment than Solidaires' interprofessional base.
• Confédération Générale du Travail (CGT): The historic French trade union confederation, also organizing across private and public sectors. Directly comparable to Solidaires as a rival French confederation; they even co-organize the Intersyndicales Femmes event together.
• Fédération Syndicale Unitaire (FSU): French public-sector-focused trade union federation, co-organizer of Intersyndicales Femmes with Solidaires and CGT. Direct peer on interprofessional training, ecological campaigns (AES co-pilot), and cross-confederal mobilization.
• Union Nationale des Syndicats Autonomes (UNSA): French trade union confederation with cross-sector reach and a reformist positioning. Direct peer competing for the same pool of French private and public sector workers.
• Force Ouvrière (FO): French trade union confederation with comparable national federation structure and cross-sector reach. Direct peer competing for private and public sector members, with a more traditional/independent posture than CFDT.
• SUD Rail: An autonomous railway-sector union affiliated to the broader 'Solidaires' family. Direct peer with the same combative syndicalism positioning as Union Syndicale Solidaires, though at the sectoral level rather than confederation level.

Regional players

• European Trade Union Confederation (ETUC): The umbrella trade union body for European national confederations. Comparable as a federation of federations but operating at the pan-European level rather than the French domestic level Solidaires serves.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/UnionSolidaires
• Facebookfacebook.com/UnionSolidaires
• Instagraminstagram.com/union_solidaires
• TikToktiktok.com/@syndicat.solidaires
• LinkedInlinkedin.com/company/union-syndicale-solidaires

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

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M&A

Investments

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Frequently asked questions about Union Syndicale Solidaires