Welcome to electronic invoicing for Marsh & McLennan Companies

Marsh & McLennan Companies has partnered with Tungsten Network to provide a simpler way for suppliers to submit invoices

Marsh & McLennan Companies buyer entities in scope for e-invoicing with Tungsten Network

Please use this list to ensure that you have established the correct trading relationships on Tungsten Network to invoice MMC.


  • Marsh and McLennan Companies Entities on Tungsten Network
Country Name Tungsten Account Number Tax Registration Number
Australia Marsh Pty Ltd AAA973595515 ABN86004651512
Canada Marsh Canada Limited AAA116307372 -
Canada Encon Canada AAA328665823 -
Denmark Marsh A/S AAA128955366 DK87377016
Finland Marsh Oy AAA065465759 FI08870895
Ireland Marsh Employee Benefits Limited AAA413250374 IE 6333592O
New Zealand Marsh Ltd (NZ) AAA331171892 11-578-357
Norway Marsh As AAA014492896 NO946856800
Sweden Marsh AB AAA450687272 SE663000118501
United Kingdom Marsh (UK) Corporate Services AAA811302132 GB244251779
United States Marsh & McLennan Companies, Inc AAA055846661 -
United States Victor O.Schinnerer & Company, Inc AAA320289655 -

Submit a request or issue to our support team and we’ll get back to you as soon as we can.

Please describe your issue or question in detail.