Group S - Secretariat Social
Group S is a privately held Belgian firm founded in 1939 that develops payroll and administration software and provides human resource management services to employers, operating from Saint-Gilles, Belgium.
- Company typePrivate
- Founded1939
- HeadquartersSaint-gilles, Belgium
- Headcount5,001–10,000
- GTM typeB2B
- OfferingSoftware
What Group S - Secretariat Social does
Group S — Secretariat Social is a Belgian for-profit, privately held firm headquartered in Saint-Gilles, Belgium, operating since 1939. The company develops applications and software aimed at simplifying payroll and administration for employers, and also offers human resource management services. This dual offering positions Group S as a hybrid platform-plus-services provider in the Belgian social-secretariat market, where employers outsource payroll calculation, social-security filings, and broader HR administration rather than running these functions in-house. The firm reports 10,000+ employees, an unusually large workforce for a Belgian social secretariat that, if accurate, would place it among the largest operators in its segment; this headcount figure should be treated cautiously given the absence of corroborating disclosures.
The underlying technology stack is not disclosed in the source data: there is no description of proprietary platforms, integration architecture, AI/ML components, or third-party dependencies. Similarly, the pricing model, revenue mechanics, and go-to-market channels are not detailed in the available material, so the business model can only be described at a structural level — a mix of recurring payroll-administration fees per employer, HR-services engagements, and software licensing or subscription revenue from its developed applications. No customer logos, segment mix, certifications, or partnership disclosures are present, leaving the customer profile uncharacterized.
On governance, Marc Peeters serves as Chief Executive Officer. The input contains no information on funding rounds, ownership structure, M&A activity, geographic expansion beyond Belgium, awards, patents, or regulatory actions, which limits any forward-looking strategic assessment.
Group S - Secretariat Social firmographics
Firmographics- Name
- Group S - Secretariat Social
- Website
- https://groups.be
- Company type
- Private
- Founded year
- 1939
- Headcount range
- 5,001–10,000 employees
- Short description
- Group S is a privately held Belgian firm founded in 1939 that develops payroll and administration software and provides human resource management services to employers, operating from Saint-Gilles, Belgium.
- Ownership category
- akta.pro rank
Group S - Secretariat Social industry classification
Industry- Product category
- Payroll & HR Software
- NAICS
- Payroll Services (541214), Professional Employer Organizations (561330), Human Resources Consulting Services (541612)
- SIC
- Services-Prepackaged Software (7372), Services-Management Services (8741)
- akta.pro primary industry
- Payroll Software & Payroll-as-a-Service (SaaS) (BPACAIAB)
- akta.pro secondary industries
- HR Service Delivery, Case Management & Employee Self-Service (BPACAPAL), Human Capital Management (HCM) & Payroll Platforms (HDAEAEAJ)
Keywords
Where Group S - Secretariat Social is headquartered
LocationHeadquarters
- HQ city
- Saint-gilles
- HQ country
- Belgium
- HQ region
- Europe
Markets served
Group S - Secretariat Social business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales
Group S - Secretariat Social product offering
Product offeringCore offering
Group S develops applications and software to simplify payroll and administration, and also offers human resource management services. The company operates as a social secretariat serving Belgian employers with workforce administration, payroll processing, and HR advisory solutions.
Differentiator
Problem solved
Functional benefit
Products and services
- Payroll and Administration Software
- Human Resource Management Services
Companies that use Group S - Secretariat Social
Customer profileIdeal customer profiles1 record
Group S - Secretariat Social technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Group S - Secretariat Social partnerships and signals
Strategic signalRecent moves1 record
Expansion highlights1 record
Group S - Secretariat Social competitors and assessment
Company assessmentDirect peers
- Liantis: Liantis is one of Belgium's largest social secretariats, providing payroll administration, HR advice, and employee support services — directly competing with Group S for Belgian employer clients.
- Partena Professional: Partena Professional is a Belgian social secretariat providing payroll, HR legal advice, and workforce administration services — directly overlapping with Group S's core Secretariat Social offering in the Belgian market.
- Acerta: Acerta is a Belgian social secretariat and HR services group offering payroll administration, HR advice, and compliance support — directly comparable to Group S's Secretariat Social business for Belgian SMB and mid-market employers.
- SD Worx: SD Worx is one of the largest European payroll and HR services providers, headquartered in Belgium and operating social secretariats alongside proprietary HR/payroll software — a near-direct comparison to Group S on geography, service model, and product mix.
- Securex: Securex is a Belgian HR and payroll services provider covering social secretariat functions, occupational health, and HR consulting — a comparable Belgian incumbent operating the same bundled payroll-plus-HR services model as Group S.
Broad incumbents
- ADP (Automatic Data Processing): ADP is a global payroll and HCM incumbent with operations in Belgium and across Europe; it competes with Group S at the upper end of the Belgian market and on multi-country payroll, but its portfolio is far broader than Group S's social-secretariat focus.
- Visma: Visma is a Northern European provider of payroll, HR, and ERP software with growing presence in Belgium; it competes with Group S in payroll software for Belgian SMBs and accountants, but its portfolio spans multiple verticals and geographies.
- Dayforce (Ceridian): Dayforce (formerly Ceridian) is a global HCM and payroll cloud platform increasingly targeting European employers; it is comparable to Group S's software/payroll ambitions but operates at a far larger, multi-country scale.
- Sage: Sage provides payroll and HR software (Sage HR, Sage 50 Payroll) used widely by European SMBs, including Belgium; it competes with Group S's software offering but is a broad incumbent rather than a Belgium-only specialist.
- Workday: Workday is a global enterprise HCM and payroll cloud platform; while it does not replicate the Belgian social-secretariat services model, it is the canonical large-account HCM alternative that Group S's proprietary software must contend with.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights5 records
Customer concentration
Group S - Secretariat Social social profiles
Digital presenceGroup S - Secretariat Social financial estimates
Financial estimateRevenue estimate
Valuation estimate
Group S - Secretariat Social leadership team
Management profileNumber of profiles
Profiles1 record
Group S - Secretariat Social funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Group S - Secretariat Social 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 Group S - Secretariat Social
What does Group S - Secretariat Social do?
Group S develops applications and software to simplify payroll and administration, and also offers human resource management services. The company operates as a social secretariat serving Belgian employers with workforce administration, payroll processing, and HR advisory solutions.
When was Group S - Secretariat Social founded?
Group S - Secretariat Social was founded in 1939. It employs 5,001 to 10,000 people.
Where is Group S - Secretariat Social based?
Group S - Secretariat Social is headquartered in Saint-gilles, Belgium, in the Europe region.
Who are Group S - Secretariat Social's main competitors?
Direct peers on record are Liantis, Partena Professional, Acerta, SD Worx and Securex. Broad incumbents are ADP (Automatic Data Processing), Visma, Dayforce (Ceridian), Sage and Workday.
Does Group S - Secretariat Social have an API?
No public API is recorded for Group S - Secretariat Social.
What industry is Group S - Secretariat Social in?
Group S - Secretariat Social's product category is Payroll & HR Software. Its primary akta.pro industry code is BPACAIAB, Payroll Software & Payroll-as-a-Service (SaaS), with a secondary code of BPACAPAL, HR Service Delivery, Case Management & Employee Self-Service. Its NAICS code is 541214 and its SIC code is 7372.