Financial Statement

Everything you do in business has tax consequences. We can work with you to minimize the effect of taxes on your business and you personally.

Personal & Corporate
Tax Filing

We provide professional and accurate tax preparation and filing, timely PST & GST returns, and more.


We can provide you with timely bookkeeping and accurate payroll services for businesses small, medium, or large.

COVID 19 - Important Information

Due to the COVID-19 outbreak, there have been some important updates to the tax deadlines:

     2019 Personal Income tax – Filing deadline changed to June 1, 2020

                                                                      Payment deadline September 1, 2020

      2019 Trusts – Filing deadline changed to May 1, 2020

     Corporate Income tax – Payment deadline for tax or installments September 1, 2020


Below is some information regarding the new measures the federal and provincial government has put in place in the wake of the COVID-19 outbreak for your reference.


Government of Canada information link:


Government of Saskatchewan information link:


We appreciate your cooperation and continued support during this time.


On behalf of the partners and staff, we sincerely hope all of you are staying safe and healthy during this unprecedented health crisis.


Siever, Fonstad and Erdman

We Can Help

Our objective is to provide you with a full range of accounting services for both your business and personal needs.

Review our Services page, to see the many different areas in which we can be of assistance to you.

We look forward to working with you.

Siever Fonstad Erdman started in 1978 initially as Advanced Accounting Services in Estevan Saskatchewan. Originally located on 5th Street in Estevan, the office moved to its current location on 4th Street in 2009.

In 1995 Mel Siever, CPA, CMA bought into the firm as a partner and in 2002 added Jim Vermeersch, FCPA, FCGA and Donna Fonstad, CPA, CGA as partners, with the business changing the name to Siever, Vermeersch, and Fonstad. In 2007, Ryan Siever, CPA, CA, joined the firm as a partner and most recently, in 2018, with the retirement of Jim Vermeersch, Michelle Erdman, CPA took his place as a partner and the business changed its name to Siever Fonstad, and Erdman.

For over 40 years, our firm has continued to be locally owned, serving the community of Estevan and Southeast Saskatchewan.

Ryan, Donna and Michelle look forward to meeting and working with you in the future.

We’d Love To Hear From You!