What Mare Nostrum Group does

Mare Nostrum Group is a Grenoble-headquartered, Euronext Growth Paris-listed (ticker ALMAR) multi-brand HR services platform founded in 2002. The group serves French SMEs and mid-size companies (ETI) across the full employment cycle through 18 dedicated sub-brands, ~100 commercial locations in France plus international operations in Portugal, Romania, and Poland, and a workforce of approximately 430 permanent collaborators plus 12,000 temporary workers dispatched annually.

The service portfolio is organized across four domains: temporary staffing (intérim) via Tridentt, AL&CO, Altitude Facilities, and Grands Travaux Facilities, with sector specializations covering construction/BTP, industry, logistics, transport, mountain/ski, and large civil engineering projects; permanent and contract recruitment via Neptune RH and L'Agence Unique (cultural and event sectors); professional training via Platinium CQFT, Contact D Pro, Campus Mare (an in-house RNCP Level II Bachelor program with Sciences-U Lyon), and the Aer'Ness drone-training campus co-developed with Delta Drone and INSA Lyon; and complementary HR services including salary portage (Altros, acquired 2018) and professional mobility. Digital capabilities include the Linkeys mobile cooptation/referral platform (Swiss origin, acquired 2019) and a minority stake in skills-assessment startup Prismo.

The business model is primarily transaction-fee based: temporary staffing generates revenue on hourly/daily rates plus agency margins; recruitment fees are earned on successful placements; training and mobility services are billed as professional services. GTM is sales-led through the dense regional agency network, with proximity to local employment basins as the primary differentiator. FY2025 revenue was €109.7M (down 5.5% YoY), with a return to net profitability of €24.2M following major restructuring and divestment of non-strategic activities. The group went public on Euronext Growth Paris on December 4, 2019, raising €7.9M at a €39.7M market capitalization.

Name

Mare Nostrum Group

Legal name

Mare Nostrum

Website

https://mare-nostrum.eu

Company type

Public

Founded year

2002

Operating status

Operating

Headcount range

251–500 employees

Short description

Mare Nostrum Group is a Grenoble-based, Euronext Growth-listed multi-brand HR services platform operating 18 specialized brands across temporary staffing, recruitment, training, and salary portage for French and European SMEs through ~100 agency locations in France, Portugal, Romania, and Poland.

Ownership category

akta.pro rank

Product category

HR Services and Staffing

NAICS

Temporary Help Services (561320), Employment Placement Agencies and Executive Search Services (56131)

SIC

Services-Employment Agencies (7361)

akta.pro primary industry

General Permanent Placement (Multi-Industry) (BPACAFAA)

akta.pro secondary industry

Core HR & HRIS (BPACAPAA)

Keywords

• Temporary staffing services
• Permanent recruitment
• Professional vocational training
• Payroll portage services
• HR consulting mobility

Headquarters

HQ city

Grenoble

HQ country

France

HQ region

Europe

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Temporary Staffing (Travail Temporaire): Core revenue stream through network of temporary staffing agencies under Tridentt, AL&CO, and other brands. Provides temporary workers to businesses across construction, industry, logistics, and services sectors.
2. Recruitment Services: Permanent and contract placement services through Neptune RH brand and specialized recruitment divisions. Fees based on successful placements.
3. Professional Training: Training services through Platinium CQFT, Contact D Pro, and Campus Mare school. Offers vocational training, sports sector training, and drone operator certification.
4. Payroll Portage (Portage Salarial): Payroll portage services for independent professionals through Altros brand.
5. HR Consulting and Mobility Services: Professional mobility assistance and HR advisory services for career transitions.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels6 records

Core offering

Mare Nostrum Group is a multi-brand HR services platform providing temporary staffing, permanent and contract recruitment, professional training, payroll portage/umbrella contracting, and professional mobility services to French SMEs and mid-sized companies (ETI). Through its 18 specialized sub-brands and ~100 commercial agencies, the group delivers sector-specialized HR solutions covering construction, industry, transport, mountain/ski, cultural, and sports sectors.

Product overview

Mare Nostrum Group is a multi-brand HR services platform offering an integrated suite of staffing, recruitment, training, salary portage (umbrella contracting), and professional mobility services for SMEs and mid-size companies. The group's portfolio comprises ~18 dedicated sub-brands organized by service line (temporary staffing via TridenTT, AL&CO, and Altitude Facilities; recruitment via Neptune RH and L'Agence Unique; training via Platinium CQFT, Contact D Pro, Campus Mare, and Focs Consult; salary portage via Altros; and digital solutions via Linkeys and Prismo). The group also operates physical 'Terra Nostra' RH retail stores and the Aer'Ness drone-based HR joint venture. Brands are organized by sector (mountain, construction, sports, culture) and service type, and are unified under a single group with shared infrastructure, ~100 commercial locations in France and internationally (Portugal, Poland, Romania).

Differentiator

Problem solved

Functional benefit

Brands

• Neptune RH: Recruitment services
• Tridentt
• AL&CO
• Altros
• Linkeys
• Altitude Facilities
• Grands Travaux Facilities
• Platinium CQFT
• Contact D Pro
• L'Agence Unique
• Campus Mare
• Terra Nostra
• Club AZUR 4.0

Products and services

• Tridentt Temporary Staffing Network A ~20-agency temporary staffing network under the Tridentt brand offering multidisciplinary intérim services across Gros Œuvre (structural work), Generalist, Travaux Publics (civil engineering), and Second Œuvre (finishing trades) specialties, serving primarily French construction and industry clients.
• AL&CO Temporary Staffing Network A 25+ agency temporary staffing network specialized in BTP (construction) and general industry across South-West France, the Mediterranean arc, Auvergne-Rhône-Alpes, and Île-de-France, with sector-specific specializations including Gros Œuvre, Industry/Aeronautics, Second Œuvre, and Logistics/Transport.
• Neptune RH Recruitment Services Permanent and contract placement and HR consulting brand serving SMEs, originating as the group's first recruitment firm in 2002.
• Altitude Facilities Mountain-Sector Staffing Staffing, recruitment, and training brand dedicated to mountain sectors (ski resorts, outdoor sports, construction in alpine environments) with presence in the Northern Alps and the Pyrenees (Saillagouse), serving companies, local authorities, and ski lifts.
• Grands Travaux Facilities Major Projects Staffing HR brand dedicated to large-scale construction projects (earthwork, social integration, civil engineering, networks, environment) offering staffing and recruitment services across five specialized domains.
• Altros Payroll Portage (Portage Salarial) Salary portage (umbrella contracting) services acquired in 2018 enabling independent professionals to operate under employee-like status while providing companies with facilitated freelancer engagement; part of the group's professional mobility and Go Mobilité offering.
• Platinium CQFT Professional Training Professional training organization delivering SST (occupational first aid), quality management, eco-driving, and TMS (musculoskeletal disorders) prevention training to businesses, including as part of the group's safety-month initiative.
• Contact D Pro Sports & Career Training Training brand dedicated to high-level athletes and sports professionals, offering career transition, professional reconversion, management consulting, and HR solutions, including BP JEPS ASC apprenticeships (Level IV sports collective activities certification) in partnership with FC Grenoble Rugby.
• Campus Mare In-House Recruitment School In-house school of Mare Nostrum Group offering the Bachelor (BAC+3) Chargé(e) de recrutement agence pour l'emploi (CRAE) RNCP Level II degree in partnership with Sciences-U Lyon university, alternating classroom studies (Grenoble or Avignon) with on-the-job training in group agencies.
• L'Agence Unique Cultural & Events Recruitment Recruitment, support, and talent management company specialized in cultural and event sectors, with partnerships including the City of Bordeaux and Cité du Vin; integrates cultural-sector HR expertise into the Mare Nostrum Group.
• Aer'Ness Drone-Based HR Solutions Joint venture co-created with Delta Drone offering innovative HR solutions combining drone usage with temporary staffing, training, security, and events services, plus a dedicated drone-training campus for 'dronizable' professions (Master program with INSA Lyon).
• Terra Nostra RH Retail Stores Physical 'RH retail' store concept launched in 2019 that combines all of the group's services — temporary staffing, training, recruitment, and salary portage/mobility — at a single physical location, making HR services accessible in a retail format to individuals and SMEs.
• Linkeys Mobile Cooptation Recruitment Application Mobile application for recruitment based on employee cooptation (referral), launched in Switzerland in 2017 and acquired by Mare Nostrum in 2019; allows companies to post job offers to a community of 'linkers' who recommend candidates, with rewards up to €2,000 per hired candidate. Available in France and Switzerland. Over one-third of recruits are sourced through cooptation.

Quantifiable outcome

• Return to profitability with €24.2M net profit in 2025 vs €10.5M loss in 2024
• +2 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

13 partnerships are on record, tiered minor and core.

• Convention des Entreprises pour le Climat (CEC) AlpesminorOthers · 28 February 2023Joined climate commitment initiative for sustainable and responsible business practices.
• L'Agence UniqueminorStrategic or Co-development Partner · 1 January 2022Acquired in 2022 to expand into culture and events sector. Expert in recruitment and talent management for cultural and event sectors. Based in Bordeaux with partnerships with City of Bordeaux and Cité du Vin.
• Team Roses 38minorOthers · 13 March 2019Altitude Facilities sponsors Team Roses 38 for Rallye Aïcha des Gazelles. Partnership since 3 years supporting female adventurers in Moroccan desert rally.
• Team GrenobleminorOthers · 23 January 2019Partnership between Mare Nostrum and Altitude Facilities with elite ski and biathlon athletes. Supporting high-level winter sports in Isère region. Shares values of performance, self-transcendence, and humility.
• TalentéominorOthers · 1 January 2019Participated in Sport2job event combining sports and recruitment, supporting employment of people with disabilities.
• LinkeyscoreTechnology or Integration · 1 January 2019Acquired Swiss startup Linkeys - mobile recruitment application based on employee cooptation. Over 1/3 of recruits through cooptation model. Primes up to €2,000 per successful hire.
• AT Patrimoine GroupminorStrategic or Co-development Partner · 1 January 2019Acquisition of AT Patrimoine, specialized in training and management of building/property employees.
• Delta DronecoreStrategic or Co-development Partner · 8 October 2018Joint development of drone training campus through Aer'Ness pole. Combined Delta Drone's drone expertise with Mare Nostrum's professional training capabilities to create first campus dedicated to drone-related professions. Master program developed with INSA Lyon. Training addressing security, agriculture, BTP, and mountain sectors.
• INSA LyonminorStrategic or Co-development Partner · 1 January 2018Partnership for Master 'gestion de projet drones' (drone project management) degree program.
• FCG (Fédération des Clubs de Grenoble Rugby)minorOthersOngoing partnership supporting Grenoble rugby club. Players receive French language training through Contact D Pro's FLE program.
• Sciences-U LyonminorStrategic or Co-development PartnerUniversity partnership for Campus Mare school - delivers Bachelor (BAC+3) 'Chargé(e) de recrutement agence pour l'emploi (CRAE)' RNCP Level II degree.
• Soleil Rouge AssociationminorOthersCharitable partnership supporting hospitalized children through clown performances at CHU Grenoble hospital.
• Secours PopulaireminorOthersPartnership donating refurbished computers to support families through employment assistance programs.

Scale indicators14 records

Recent moves9 records

Expansion highlights6 records

Direct peers

• Groupe CRIT: French-listed staffing and HR services group providing temporary work, recruitment and airport services across France and internationally; comparable multi-vertical agency model with stronger industrial/airport exposure.
• Synergie: Paris-listed French HR services firm offering temporary staffing, permanent placement and training across France and Europe; directly comparable French-headquartered multi-brand staffing platform.
• Hays: Global recruitment firm with strong presence in France focused on professional permanent and contract placement; comparable as a recruitment-led peer competing for similar mid-market clients.
• PageGroup: International recruitment group with established French operations (Michael Page, Page Personnel); directly comparable on the permanent/contract placement side of Mare Nostrum's offering.
• Expectra: French recruitment specialist (part of Randstad group) focused on skilled technical and office profiles; competes head-on with Neptune RH for SME and mid-market permanent placements.

Broad incumbents

• Adecco Group: Global staffing leader with significant French presence through Adecco France; overlaps in temporary staffing and permanent placement and competes for SME accounts but operates at vastly larger scale and broader service portfolio.
• ManpowerGroup: Global workforce solutions company with French operations (Manpower, Experis, Adecco-style); competes in temporary staffing, recruitment and workforce consulting for the same SME/mid-market segments.
• Randstad: Largest European staffing firm with extensive French network; competes across temporary staffing, permanent placement and HR solutions, exercising pricing pressure on smaller multi-brand players.

Regional players

• Robert Half: Global recruitment firm specializing in finance/accounting and office support, with French operations; comparable on the professional permanent placement side, particularly versus L'Agence Unique and Neptune RH.

Emerging players

• Externatic: France-based tech and IT recruitment specialist; represents an emerging digital-native recruitment competitor targeting French SMEs and tech talent pools similar to Mare Nostrum's Linkeys-driven recruitment channels.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC_DUMMY
• Facebookfacebook.com/MareNostrumGroup
• LinkedInlinkedin.com/company/mare-nostrum
• Xx.com/GroupeMare

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries13 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A1 record

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Mare Nostrum Group