Groupe Y Nexia

What Groupe Y Nexia does

Groupe Y Nexia (legal entity: Société Groupe Y Management) is a privately held French accounting and professional services firm headquartered in Niort, operating across the Grand Ouest region and Paris. Founded in 1956, the firm has grown to approximately 336 collaborators and 21 expert accountants / statutory auditors / partners, supported by 10 physical office sites (Niort, Fontenay-le-Comte, Futuroscope, La Roche-sur-Yon, Luçon, Nantes, Paris, Tours, Poitiers, La Roche-sur-Yon). The firm is a member of the Nexia International network, which gives it cross-border reach without owning foreign offices.

The company delivers an integrated suite of professional services spanning accounting (Expertise-comptable), statutory and contractual audit, payroll and social administration (via the Mapaieenligne online platform), legal and tax advisory, management consulting, actuarial and risk management, CSR/RSE advisory, HR advisory (Richesses Humaines), electronic invoicing readiness, GDPR compliance, and international/Foreign Desk services. Service delivery is organized around eight vertical specializations — associations, automotive, banks and insurance, building and construction, hotels/restaurants/cafés, real estate, healthcare professionals, and road transport — each with dedicated sector teams and dedicated content output. The firm publishes annual transparency reports (since 2020) and an RSE report (2024), and runs a content-driven marketing motion via sector guides, newsletters, and thought-leadership fiches.

The business model is straightforward professional services: quote-based fees determined by client scope, delivered through a regional direct-sales office network targeting mid-market and enterprise clients. Named enterprise clients include OFI Groupe, Mutuelle Française, IMA Groupe, Groupe Atlantic, DARVA, Seolis, BCMI, Intercontinental, Groupe Dubreil, and CFE-CGC, with the firm claiming approximately 5,000 clients in total. The technology stack is conventional professional-services tooling (no proprietary platform disclosed); sub-branded digital properties (mapaieenligne.fr, groupey-doctrine.fr, groupey-rse.fr, groupey-rh.fr, groupey-foreigndesk.fr) suggest modest digital productization layered on top of the core human-delivered services.

Name

Groupe Y Nexia

Legal name

Société Groupe Y Management

Website

https://groupey.fr

Company type

Private

Founded year

1959

Operating status

Operating

Headcount range

251–500 employees

Short description

Groupe Y Nexia is a privately held French accounting and professional services firm headquartered in Niort, serving approximately 5,000 clients across the Grand Ouest region and Paris through 336 staff and 10 offices, with expertise in audit, payroll, tax, advisory, and eight sector verticals.

Ownership category

akta.pro rank

Product category

Accounting and Professional Services

NAICS

Professional, Scientific, and Technical Services (54)

SIC

Services-Management Consulting Services (8742)

akta.pro primary industry

Intercompany & Consolidation Support (Eliminations, Group Reporting Support) (BPAAAGAG)

Keywords

• Accounting services
• Audit and assurance
• Payroll management
• Tax advisory
• Business consulting

Headquarters

HQ city

Niort

HQ country

France

HQ region

Europe

Offices10 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Professional Services - Accounting and Audit: Fee-for-service professional services including accounting, audit, tax advisory, and compliance services delivered by expert teams across multiple disciplines.
2. Payroll and Social Services: Payroll processing and social administration services for businesses.
3. Training Services: Professional training programs delivered to clients and businesses.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Groupe Y Nexia is a French accounting and business services firm providing multi-disciplinary professional services including accounting (expertise-comptable), statutory and contractual audit, payroll and social administration, legal and tax advisory, management consulting, actuarial and risk management, CSR advisory, and HR services. The firm serves approximately 5,000 clients through 10 office sites across the Grand Ouest region and Paris, delivering sector-specialized expertise across 8 verticals including real estate, healthcare, automotive, banking, construction, hospitality, transport, and associations.

Product overview

Groupe Y Nexia is an accounting and business services firm offering a comprehensive portfolio of professional services. The core offering consists of integrated accounting (Expertise-comptable), audit, payroll (Social et paie), legal and tax advisory (Juridique et fiscal), and management consulting (Conseil et gestion) services. Additional specialized services include actuarial and risk management, CSR advisory (RSE), human resources management (Richesses Humaines), electronic invoicing solutions, GDPR compliance support, and international services. The firm also provides sector-specific expertise for industries including real estate, healthcare, automotive, banking/insurance, construction, hospitality (CHR), transport/logistics, and associations. The services are delivered through a network of 10 sites across Western France and Paris by 336 collaborators and 21 partners.

Differentiator

Problem solved

Functional benefit

Brands

• Mapaieenligne (Social et paie): Online payroll management platform for businesses.
• Groupe Y Doctrine
• Groupe Y RSE
• Groupe Y Richesses Humaines
• Groupe Y International / Foreign Desk

Products and services

• Expertise-comptable (Accounting Services) Core accounting and bookkeeping services including daily accounting management, financial statement preparation, and regulatory compliance for businesses.
• Audit Statutory and contractual audit services for companies, including risk control and audit of operations.
• Social et paie (Social and Payroll) Payroll processing, social declarations, and HR administration services for employees and businesses.
• Juridique et fiscal (Legal and Tax) Legal advisory and tax optimization services including corporate law, tax planning, and compliance.
• Conseil et gestion (Consulting and Management) Strategic and operational consulting services for business development, management improvement, and decision support.
• Actuariat et Risk Management Actuarial services and risk management consulting including risk evaluation and financial risk analysis.
• RSE (Corporate Social Responsibility) CSR advisory services helping companies integrate environmental and social sustainability into their business strategy.
• Richesses Humaines (Human Resources) Human resources management services including recruitment, skills development, and HR strategy.
• Facturation électronique (Electronic Invoicing) Electronic invoicing solutions and digital transformation services for businesses transitioning to mandatory e-invoicing.
• Accompagnement Conformité RGPD (GDPR Compliance) Data protection and GDPR compliance advisory services for businesses.
• International Services Cross-border advisory services including international accounting, tax compliance for foreign operations, and expat services.
• Formations (Training) Professional training programs and workshops for business owners and employees on accounting, tax, and management topics.

Quantifiable outcome

• Serves over 5,000 clients across multiple sectors
• +4 more outcomes

Named customers10 records

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Nexia InternationalcoreStrategic or Co-development PartnerGroupe Y Nexia is a member firm of the Nexia International network, providing international reach and access to global accounting and advisory standards through the network partnership.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• BDO France: BDO France is a top-tier mid-market accounting and advisory network in France, offering audit, tax, payroll and consulting services to SMEs and mid-market clients — directly comparable to Groupe Y's multi-disciplinary, mid-market positioning.
• Grant Thornton France: Grant Thornton France is a mid-tier accounting network operating across audit, tax, and advisory for SMEs and mid-caps in France — closely aligned with Groupe Y in client segment, service mix, and competitive positioning between Big 4 and local firms.
• Mazars: Mazars is a France-headquartered international mid-tier accounting and advisory firm serving mid-market and large clients — comparable to Groupe Y in its combination of regional depth, multi-disciplinary services, and international network affiliation.
• RSM France: RSM France is a mid-tier audit, tax and consulting network focused on mid-market businesses in France — directly competitive with Groupe Y for SME and mid-market accounting mandates, especially in regulated industries.
• Baker Tilly France: Baker Tilly France operates as a mid-tier accounting and advisory network serving French SMEs and mid-market firms — comparable to Groupe Y in service breadth, sector specialism, and target client profile.
• Fiducial: Fiducial is one of the largest France-focused accounting and SME-services firms — directly comparable to Groupe Y in its SME-first, multi-office regional franchise model and breadth of accounting, payroll, and legal services.
• In Extenso: In Extenso is a France-focused accounting and consulting network serving SMEs, artisans, and small-mid-market firms — directly comparable to Groupe Y in its regional multi-site model and SME-centric accounting, payroll, and advisory services.

Broad incumbents

• KPMG France: KPMG France is a Big 4 audit and advisory firm operating across all of France with full-scale audit, tax, consulting and legal practices — an incumbent competitor whose downstream push into mid-market overlaps with Groupe Y's client base.
• Deloitte France: Deloitte France is a Big 4 firm providing audit, consulting, financial advisory, and tax services — a broad incumbent whose expanding mid-market and SME offerings compete directly with several of Groupe Y's service lines.
• PwC France: PwC France is a Big 4 firm with audit, tax, and advisory services across the country — comparable as a broad incumbent whose mid-market practice competes with Groupe Y, particularly for clients seeking international reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/expertgroupey
• Facebookfacebook.com/groupey
• LinkedInlinkedin.com/company/groupe-y

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

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 Groupe Y Nexia