Castonguay And Mack Professional Services Inc.

	Address	835 Wingate Drive Ottawa, K1G 1S2 Canada
	Address type	Registered Office Address
	Address province	Ontario

	Corporation ID	8301077
	Business number	845793249
	Status	Active
	ACT	Canada Business Corporations Act
	Anniversary date	09/20/2012
	Last annual filing	2025
	Data verified	10/31/2026

Description

Castonguay and Mack Professional Services Inc. is an active company registered under Canada Business Corporations Act with a corporation no 8301077 (business number 845793249). The incorporation was completed on 2012-09-20. The company is based in Ottawa at 835 Wingate Drive, K1G 1S2 in Ontario area. As far as we managed to find out, the last yearly meeting was held on 2016-09-16.
Other corporations in the vicinity are: Asm Site Inspection Limited, Stewart Training Resources Inc., Collaborative Computing Corporation, J.j.m. Meloche Construction Inc., 168012 Canada Inc..

Location: Statistics Canada, Open Database of Addresses (Open Government Licence – Canada).

Company names

Name	Effective date	Type	Current
Castonguay Tax Consultants Inc.	09/20/2012	Corporate Name
Castonguay and Mack Professional Services Inc.	11/04/2026	Corporate Name	true

Directors

Kelly Sue Castonguay-Mack
,

last updated: 2026-11-04

Individuals with Significant Control

Individuals who own, control or direct 25% or more of the shares, or have control in fact over the corporation, as reported to Corporations Canada.

KELLY CASTONGUAY-MACK
Ottawa` ON
More than 75% of the shares
Owns, controls or directs 25% or more of shares
Holds shares: directly · Control: jointly
Since: 09/20/2012

reported to the registry: 11/10/2025 · last checked: 11/04/2026

Annual Filings

Type of corporation	Non-distributing corporation with 50 or fewer shareholders
Annual filing period (MM-DD)	09-20 to 11-19
Last annual meeting	09/15/2025

Year	Annual return
2026	Due to be filed
2025	Filed
2024	Filed

last checked: 11/04/2026

Company activities

Date	Type	Section
09/20/2012	Incorporation

Company annual return

Meeting date	Type of corporation	Year of filing
09/16/2016	Non-distributing corporation with 50 or fewer shareholders	2016
09/15/2015	Non-distributing corporation with 50 or fewer shareholders	2015
09/15/2014	Non-distributing corporation with 50 or fewer shareholders	2014