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ATO consultants & managers

Active
Public limited companyfounded 1989active for 37 yearsWaverse steenweg 1945, 1160 Oudergem, BelgiumKBO/BCE: BE 0436.356.973
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ATO consultants & managersActiveChecked score 94/100
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Directors

Directors
7 directors, 3 in day-to-day management, no change since 2026

Act of 29-05-2026Appointment: Mr Michel Weber Réviseur d'entreprises (statutory auditor)

Board 7

JASP
Chair · appointed in the act of 27-04-2026 · Director · appointed in the act of 03-12-2025 · Legal entity · permanent representative: Julien PALENGAT
Current
Thierry-François Yernaux
Director · appointed in the act of 08-06-2012 · 3-year term from 2025 · also on the board of 1 other company
Current
ATRIMA
Director · appointed in the act of 03-12-2025 · 3-year term from 2025 · Private limited company · permanent representative: Marc Achten
Current
BYERN
Director · since 13-10-2025 · 3-year term from 2025 · Private limited company · permanent representative: Thierry-François Yernaux · listed in the 2025 annual accounts, filed on 13-05-2026
Current
Gautier Bourles
Director · since 13-10-2025 · 3-year term from 2025 · listed in the 2025 annual accounts, filed on 13-05-2026
Current
JASP SARL S. Etr.
Director · since 13-10-2025 · Legal entity · listed in the 2025 annual accounts, filed on 13-05-2026
Current
M2 INVESTMENTS
Director · since 13-10-2025 · 3-year term from 2025 · Private limited company · permanent representative: Marianne Marcelis · also on the board of 1 other company · listed in the 2025 annual accounts, filed on 13-05-2026
Current

Day-to-day management 3

Thierry-François Yernaux
Managing director · appointed in the act of 08-06-2012
Current
ATRIMA
Managing director · appointed in the act of 03-12-2025 · Private limited company · permanent representative: Marc Achten
Current
BYERN
Managing director · appointed in the act of 03-12-2025 · Private limited company · permanent representative: Thierry-François Yernaux
Current
Permanent representatives 4
Julien PALENGAT
Permanent representative · appointed in the act of 27-04-2026 · for JASP
Current
Marc Achten
Permanent representative · appointed in the act of 03-12-2025 · for ATRIMA
Current
Marianne Marcelis
Permanent representative · appointed in the act of 03-12-2025 · for M2 INVESTMENTS
Current
Thierry-François Yernaux
Permanent representative · appointed in the act of 03-12-2025 · also on the board of 1 other company · for BYERN
Current

Statutory auditor 1

Michel Weber, Reviseur d'Entreprises
Statutory auditor · appointed in the act of 29-05-2026 · permanent representative: Michel Weber
Current
Office holders in the KBO →
Signing authorityThe articles say who may bind the company, for example by signing a contract.
“ARTICLE 19 - REPRESENTATION DE LA SOCIETE L’organe de gestion représente la société à l’égard des tiers et en justice, soit en demandant…”
deed of 27-04-2026

Owners and capital

Shareholders

1 owner

Chain of control

  1. AT OSBORNE BVNL consolidates
  2. ATO consultants & managers

Owners 1

Capital transactions

Capital over time
  1. 27-04-2026 Capital stated in 2 acts · €123,946.76 · 250 shares

Mandate history

23 people, 8 in office
Show
  • Board
  • Day-to-day management
  • Statutory auditor
  • began earlier
  • end not dated
Mandates per person, with start and end dates
Name Functions and periods
Thierry-François Yernaux
  • Director, appointed in the act of 08-06-2012, still in office
  • Managing director, appointed in the act of 08-06-2012, still in office
ATRIMA
  • Director, appointed in the act of 03-12-2025, still in office
  • Managing director, appointed in the act of 03-12-2025, still in office
BYERN
  • Director, from 13-10-2025 to date
  • Managing director, appointed in the act of 03-12-2025, still in office
Gautier Bourles
  • Director, from 13-10-2025 to date
JASP
  • Director, appointed in the act of 03-12-2025, still in office
  • Chair, appointed in the act of 27-04-2026, still in office
JASP SARL S. Etr.
  • Director, from 13-10-2025 to date
M2 INVESTMENTS
  • Director, from 13-10-2025 to date
Michel Weber, Reviseur d'Entreprises
  • Statutory auditor, appointed in the act of 29-05-2026, still in office
Forvis Mazars Réviseurs d’Entreprises
  • Statutory auditor, appointed in the act of 04-01-2012, until 29-05-2026
AT OSBORNE HOLDING BV
  • Director, appointed in the act of 07-07-2025, until 13-10-2025
  • Director, appointed in the act of 07-07-2025, until 13-10-2025
  • Director and managing director, until 13-10-2025
Marc Achten
  • Director, appointed in the act of 18-10-2013, until 13-10-2025
  • Director and managing director, until 13-10-2025
Thierry-François Yemaux
  • Director and managing director, until 13-10-2025
  • Director and managing director, until 13-10-2025
Wilhelmus Demmers
  • Director and managing director, until 07-07-2025
  • Director and managing director, until 07-07-2025
Wilhelmus Adrianus Antonius Maria DEMMERS
  • Chair of the board, appointed in the act of 23-10-2006, until 06-05-2025
  • Director, from before 01-10-2013 to 06-05-2025
Bernard Vermeulen
  • Director, appointed in the act of 18-10-2013, until 30-06-2020
Michel Benoist-Gironière
  • Director, until 06-06-2017
Michel Benoist
  • Director, appointed in the act of 08-06-2012, no longer listed in the 2025 annual accounts
Gerhard Jacobs
  • Director, until 20-04-2012
Marcel Jacques Christiaan Maria Hertogh
  • Director, until 05-12-2011
DBW
  • Auditor, appointed in the act of 11-08-2010, until 13-10-2011
Dumont-Bossaert, Waltniel & C
  • Auditor, appointed in the act of 26-07-2004, until 30-06-2010
Martine Forget
  • Gedelegeerd bestuurder belast met het dagelijks bestuur, appointed in the act of 23-10-2006, last mentioned in 2006
Gerrit Hendrik AFINK
  • Director and managing director, until 01-10-2006
  • Director and managing director, until 01-10-2006

Articles of association

Board and representation

Board ruleThese rules set how the board is made up, meets and takes decisions.
“Décisions par consentement unanime, consentement unanime des administrateurs, exprimé par écrit”
“Le conseil d'administration détermine s'ils agissent seul ou conjointement, gestion journalière”

deed of 27-04-2026 (in Dutch)

Audit, dissolution and liquidation

Dissolution ruleThe articles set when and by whom the company can be dissolved.
“Ontbinding in bij wet bepaalde gevallen, te allen tijde door besluit algemene vergadering beraadslagend op wijze door wet vereist”
Liquidation ruleIn a liquidation the creditors are paid first. What is left goes to the shareholders.
“Alle machten genoemd in artikel 2:87 Wetboek van vennootschappen en verenigingen zonder bijzondere machtiging, algemene vergadering kan te…”

deed of 05-01-2024 (in Dutch)

Next steps

See this company's board, registered office and name on a given date.Company as of a date See what became of the directors' other companies.Supplier due diligence Check whether you can accept this company as a client under the anti-money-laundering law.AML client file

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