Contact details

If you have a general enquiry, please complete the form below and use the Message box to let us know the details of your query or the assistance that you would like from us.

Contact us

  • * = required information

  • ** Occasionally, we would like to send you information specific to our applications, including invitations to relevant seminars. Tick the above box to receive this.

    (We will not disclose your details to any third party)

    Please note that, in addition to answering any query you have made on this form, we may deem it appropriate to give you a further courtesy follow-up call within a few days - for example to check that any requested materials have arrived safely. N.B. this does not alter or reflect the general opt-in for further information given above.

Location Details

Here are contact details for the head office of the UNIT4 group*.

By post:
UNIT4 N.V.
Postbus 102
3360 AC Sliedrecht

In Person:

UNIT4 N.V.
Stationspark 1000
3364 DA Sliedrecht
The Netherlands
Download route description [pdf] 

By phone:

Telephone: +31 (0)184 44 44 44
Fax: +31 (0)184 44 44 45
Press Tel: +44 (0) 1423 537 837

Offices and distributors

If you would like contact details for a specific UNIT4 office or distributor, please select from this list to go to the relevant site

* Company registration number 23087578 Rotterdam, the Netherlands.