# Grant Thornton LLP

Grant Thornton LLP is an ITIN acceptance agent in Toronto, ON, Canada.

## Details

- Address: 200 King Street West, 11th Floor, Toronto, ON, M5H 3T4, Canada
- Phone: [416-366-0100](<tel:4163660100>)
- Also trading as: Doane Grant Thornton LLP
- Source note: IRS Acceptance Agent Program list for Canada (page last reviewed 30-Sep-2026; retrieved 2026-10-02). US federal public domain (17 U.S.C. 105).

## Questions

### Where is Grant Thornton LLP?

Grant Thornton LLP is at 200 King Street West, 11th Floor, Toronto, ON, M5H 3T4, Canada.

### How do I contact Grant Thornton LLP?

To contact Grant Thornton LLP, call 416-366-0100.

## Source

From [U.S. Internal Revenue Service](https://www.irs.gov/individuals/international-taxpayers/acceptance-agents-canada), license Public domain (17 U.S.C. 105; irs.gov content use terms request credit), checked 2026-10-03.

Last updated October 3, 2026.

## Links

- This ITIN acceptance agent on the [web page](<https://itinagents.fyi/ca/on/toronto/grant-thornton-llp>)
- [Certifying acceptance agents in Toronto](<https://itinagents.fyi/ca/on/toronto/category/certifying-acceptance-agents.md>)
- [IRS acceptance agents in Toronto](<https://itinagents.fyi/ca/on/toronto/category/irs-acceptance-agents.md>)
- [More ITIN acceptance agents in Toronto](<https://itinagents.fyi/ca/on/toronto.md>)