Attentia: payroll provider facts
Facts about Attentia as a payroll provider, taken from its own website, the Crossroads Bank for Enterprises and the Belgian Official Gazette, checked on 11 November 2026. No rating, just sources.
Who it is
The payroll provider is ATTENTIA sociaal secretariaat vzw (enterprise number 0406.607.271) in Sint-Agatha-Berchem. Attentia NV is the holding company of the group.
According to its 2025 sustainability report, Attentia was founded in 2006 and has its head office in Sint-Agatha-Berchem.
Sources: Attentia, privacyverklaring (juridische entiteiten) (checked on 11 November 2026); Attentia, duurzaamheidsrapport 2025 met kerncijfers 2025 (PDF) (checked on 11 November 2026)
Approval
Attentia is on the list of approved payroll providers for employers published in the Belgian Official Gazette on 15 July 2025 (situation on 20 June 2025), under number 110, as ATTENTIA, ERKEND SOCIAAL SECRETARIAAT, V.Z.W..
Under the royal decree of 28 November 1969 an approved payroll provider is a non-profit that must state its approval number on every document it issues. Your payslip from Attentia should therefore carry number 110.
Sources: FOD Sociale Zekerheid, lijst van de erkende sociale secretariaten van werkgevers op 20 juni 2025 (Belgisch Staatsblad 15 juli 2025) (checked on 11 November 2026); Koninklijk besluit van 28 november 1969, art. 44 tot 49 over de erkende sociale secretariaten van werkgevers (Justel) (checked on 11 November 2026)
Offices, clients and target group
The sustainability report lists 31 offices among its 2025 key figures.
According to that report Attentia served more than 12,000 clients in 2025. We found no number of payroll calculations.
Attentia says it helps large and small organisations, from start-up micro businesses with one employee to large companies, in the profit, non-profit and public sectors.
Sources: Attentia, duurzaamheidsrapport 2025 met kerncijfers 2025 (PDF) (checked on 11 November 2026); Attentia, over ons: sociaal secretariaat en externe dienst voor preventie (checked on 11 November 2026)
Services in the same group
Attentia is both a payroll provider and an external service for prevention and protection at work, through Attentia preventie & bescherming vzw. We found no business one-stop shop or social insurance fund on attentia.be.
Sources: Attentia, over ons: sociaal secretariaat en externe dienst voor preventie (checked on 11 November 2026); Attentia, preventie en bescherming op het werk (checked on 11 November 2026); Attentia, privacyverklaring (juridische entiteiten) (checked on 11 November 2026)
Public pay and indexation information
Attentia publishes a gross to net calculator and news items on pay rules, such as the change in withholding tax on 1 November 2026.
Sources: Attentia, bruto-netto-calculator (checked on 11 November 2026); Attentia, wijzigingen inzake bedrijfsvoorheffing op 1 november 2026 (30 oktober 2026) (checked on 11 November 2026)
Price and termination
On 11 November 2026 attentia.be showed no price for the payroll service.
Under the general terms of July 2025 you can only end a membership of the payroll service at the end of a calendar year, in writing and with at least six months' notice. A minimum term is not in the general terms but in the specific agreement.
Sources: Attentia, over ons: sociaal secretariaat en externe dienst voor preventie (checked on 11 November 2026); Attentia, algemene voorwaarden juli 2025 (PDF) (checked on 11 November 2026)
Comparing with other payroll providers
On the comparison page Attentia sits next to seven other approved payroll providers, in alphabetical order and with the same data: approval number, offices, own client figures, target group and services in the group. There is no ranking and no rating.
Source: FOD Sociale Zekerheid, lijst van de erkende sociale secretariaten van werkgevers op 20 juni 2025 (Belgisch Staatsblad 15 juli 2025) (checked on 11 November 2026)
Frequently asked questions
Is Attentia an approved payroll provider?
Yes. Attentia is on the official list of approved payroll providers under number 110, published in the Belgian Official Gazette of 15 July 2025.
Source: FOD Sociale Zekerheid, lijst van de erkende sociale secretariaten van werkgevers op 20 juni 2025 (Belgisch Staatsblad 15 juli 2025) (checked on 11 November 2026)
How many offices does Attentia have?
The sustainability report lists 31 offices among its 2025 key figures.
Source: Attentia, duurzaamheidsrapport 2025 met kerncijfers 2025 (PDF) (checked on 11 November 2026)
What does Attentia cost as a payroll provider?
On 11 November 2026 attentia.be showed no price for the payroll service.
Source: Attentia, over ons: sociaal secretariaat en externe dienst voor preventie (checked on 11 November 2026)
How do you leave Attentia?
Under the general terms of July 2025 you can only end a membership of the payroll service at the end of a calendar year, in writing and with at least six months' notice. A minimum term is not in the general terms but in the specific agreement.
Source: Attentia, algemene voorwaarden juli 2025 (PDF) (checked on 11 November 2026)
Factual information from the public sources listed, on the date stated. AltusConnect is not affiliated with the companies named; brand names belong to their owners. Spotted an error or an outdated figure? Mail hello@altusconnect.be and we will correct it.
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