Police have arrested four people in Noord-Brabant as part of a wide-ranging investigation into drug dealing and money laundering.

Search teams also raided 29 homes and business addresses in Noord-Brabant, Gelderland and Limburg in search of cash, luxury items and financial documentation.

All four suspects are linked to a company based in Venray that police believe used income from criminal activities to undercut its competitors’ prices. The name of the company and the nature of its business were not disclosed.

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Wages at the firm were paid partly in cash and invoices were drawn up for services that were never ordered to cover for criminal income, according to the Oost-Brabant police division.

The suspects are two men from Eindhoven aged 41 and 39, a 43-year-old man from Horst aan de Maas and a 53-year-old woman from Venray.

They are suspected of being involved in producing and trading drugs, large-scale laundering of criminal money, fraud and producing false documents.