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    Invoice receipt requirements

    It is important that invoices are forwarded to the company as follows:

    Format and address The vendor is to send the invoice in English in:
    PDF format to: invoice@topsoe.dk
    Only one invoice (including documentation) per PDF file.
    Several invoices (PDF files) in the same email are OK.
    Note:
    The email is not to contain messages nor non-invoice related documents as these will be unnoticed in our system.
    ​Mandatory information on invoice

    If a purchase order has been issued:
    The purchase order number must be stated on the invoice.
    If a purchase order has not been issued:
    The Topsoe requisitioner must inform the vendor to state the following on the invoice:

    - Cost center no., or​ + initials of the requisitioner​
    ​- Internal order no., or
    ​- WBS no., or
    - Network and activity no.

    NB:
    Invoices without valid references will be returned to the vendor with no warning

    ​Alternative to email address If the vendor is unable to send the invoice as a PDF file it should be sent by ordinary mail to:

    Haldor Topsøe A/S
    Haldor Topsøes Allé 1​
    DK-2800 Kgs. Lyngby
    Denmark

    Attention:"Accounts Payable" 
    Other communication All other communication concerning the accounts payable, such as messages, statements, reminders, etc. to be sent to payable@topsoe.dk.
    Do you need help? Please contact us using the contact formula at the bottom of this page