Contact information

Should you experience any technical difficulties with Online Banking for Business, please call the Help Desk.

Canadian services:

Local: (289) 305-5940

Anywhere within Canada and the United States: 1 (800) 565-6444

Help desk personnel are available from 7:30 am until 7:00 pm Eastern Time, Monday through Friday.

US services:

For technical support, contact our Help Desk 1 (866) 867-2173

For other inquiries, contact Client Services 1 (877) 895-3278

gtmus.clients@bmo.com