Joannes Niessen

Director/Board Member at ACOMO N.V.

Net worth: 171 M $ as of 31/05/2026

63 year

12 connections

Finance

Technology Services

Distribution Services

Profile

Joannes G.
H.
M.
Niessen currently works at ACOMO NV, as Non-Executive Director from 2017 and Mont Cervin SARL, as Managing Director from 2009.
Mr. Niessen also formerly worked at Nationale Borg-Maatschappij NV, as Chairman-Supervisory Board, Koninklijke Ahrend BV, as Director-Supervisory Board, Ordina NV, as Member-Supervisory Board from 2015 to 2020, Koninklijke Brill NV, as Member-Supervisory Board, and Egeria Capital Management BV, as Managing Partner.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ACOMO N.V. 13.52%	31/12/2025	40,00,000 ( 13.52% )	111 M $	31/05/2026
Vastned Belgium NV Vastned Belgium NV Real Estate DevelopmentFinance Invests and rents retail real estate properties 7.22%	08/08/2025	14,05,664 ( 7.22% )	48 M $	31/05/2026
Ontex Group NV Ontex Group NV Household/Personal CareConsumer Non-Durables Manufactures disposable personal hygiene products 3.06%	31/12/2025	25,17,540 ( 3.06% )	8 M $	31/05/2026
PB Holding NV PB Holding NV Financial ConglomeratesFinance Provides investment services 18.38%	08/11/2024	9,83,091 ( 18.38% )	4 M $	31/05/2026

Joannes Niessen active positions

Companies	Position	Start
ACOMO N.V.	Director/Board Member	25/02/2011
Mont Cervin SARL	Chief Executive Officer	01/01/2009

All active positions of Joannes Niessen

Former positions of Joannes Niessen

Companies	Position	End
ORDINA N.V.	Director/Board Member	22/09/2020
Nationale Borg-Maatschappij NV Nationale Borg-Maatschappij NV Insurance Brokers/ServicesFinance Provides insurance and reinsurance services	Chairman	01/04/2009
Egeria Capital Management BV Egeria Capital Management BV Investment ManagersFinance Egeria Capital invests in companies located in the Netherlands, DACH region and North America with an enterprise value of up to EUR 500 million. The firm focuses on companies operating across a broad range of sectors. It participates in growth and buyout transactions.	Private Equity Investor	-
KONINKLIJKE BRILL NV	Director/Board Member	-
Koninklijke Ahrend BV Koninklijke Ahrend BV Office Equipment/SuppliesProducer Manufacturing Manufactures and distributes office furniture and other related products	Director/Board Member	-

See the detail of Joannes Niessen's experience

Experiences
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Private companies

See the detail of Joannes Niessen's experience

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Linked companies

Private companies	7
Ordina NV Ordina NV Information Technology ServicesTechnology Services Provides IT and digital services	Technology Services
ACOMO NV ACOMO NV Wholesale DistributorsDistribution Services Trades and distributes spices, natural food ingredients and natural rubber	Distribution Services
Koninklijke Brill NV Koninklijke Brill NV Publishing: Books/MagazinesConsumer Services Publishes academic books and journals	Consumer Services
Egeria Capital Management BV Egeria Capital Management BV Investment ManagersFinance Egeria Capital invests in companies located in the Netherlands, DACH region and North America with an enterprise value of up to EUR 500 million. The firm focuses on companies operating across a broad range of sectors. It participates in growth and buyout transactions.	Finance
Koninklijke Ahrend BV Koninklijke Ahrend BV Office Equipment/SuppliesProducer Manufacturing Manufactures and distributes office furniture and other related products	Producer Manufacturing
Nationale Borg-Maatschappij NV Nationale Borg-Maatschappij NV Insurance Brokers/ServicesFinance Provides insurance and reinsurance services	Finance
Mont Cervin SARL