Why Use Us?

Why use ATS’s full suite of financial services? It just makes good business sense:

  • Qualified professionals
  • Personalized service
  • Work done on time
  • Complete confidentiality
  • The best prices in town

About Accounting & Tax Services

Call today for a free Consultation 514-227-8000 ATS Accounting, Tax and Financial Services is your one-stop place in Quebec and Canada to satisfy all your personal and business needs, from the bottom up. We can help you with starting up your company, getting grants, Research and Development, business forms and applications, bookkeeping, taxes, reports, software and training, and much more. You don’t have to be a large company to take advantage of our services because we are geared toward small and mid-sized companies. Highly qualified professionals are at your disposal, and we are flexible. We can tailor make reasonable financial service packages just for you. All our clients, from individuals to corporations, are equally important to us.
ATS talks the talk. We know how to communicate with the government, what to say, how to say it, and what not to say. Let us represent you in all your government interaction

Online Services

You can order forms, register a company, open a corporation, and apply for your GST/PST numbers…all online through ATS.

Local Services

We serve our local clients directly, right in the heart of the greater Montreal area!

Training and Software

Bookkeeping Software ATS uses the most popular accounting software currently available, and can provide you with the software, set it up, and training your staff how to use it so you can keep records of your books in-house.

Cross Border Taxes and Accounting

Snowbirds…do you own property in the US and rent it out while you are away? It is important to keep up with the very specific rules and regulations concerning rental property located in the US owned by Canadians that is Also note, depending on how long you stay in the US, you may be considered a US resident for tax purposes.