Business Accounting

We offer a full range of accounting services to small and medium sized businesses, focusing on corporations, partnerships, trusts, proprietorships and start ups of all nature. We have significant experience in partnering with entrepreneurs to provide the services required to make them productive and successful with their aspirations.

Tax Services

HFR provides a full range of personal, corporate and trust tax services, giving our clients one place to go for meeting their tax requirements. Our tax specialists have significant experience and knowledge to advise you on a strategy to maximize your tax saving potential from a personal and/or business perspective.

Audit & Review Engagements

Using our in-house auditing expertise and drawing on the vast experience of our partners and senior staff, we’ll work closely with you to understand your needs and develop an audit approach that is effective, efficient and easy to follow. At HFR we offer complete audit and assurance solutions to help your organization and your organization and your stakeholders achieve financial transparency which can create peace of mind.

Family Estate Planning & Wealth Development

We provide professional estate planning and wealth development services which benefit our clients on personal and business levels. Our effective planning facilities the orderly transfer of assets to beneficiaries and security for family and other stakeholders. This allows for business continuity, succession of businesses and minimization of taxes given our clients peace of mind.


“We put our clients first and through trust and diligence
we deliver excellent value for money.”

We are appreciative of our staff for their loyalty and trust, so we endeavour to offer a work life balance in a supportive environment.




– 1981, Establishing the Practise

Laurence (“Ren”) Henderson left his position in industry as Vice President of Finance and Administration of a public computer service firm to establish his public accounting practice in Oakville.

The practice has succeeded through a continuous focus on services to small and medium sized businesses (“SME”) and the needs of their owners for financial planning and personal tax services.

– 2007, Opening

Rosemarie (“Rosie”) Fleischer opened her own Public Accounting Firm after 20 years in public practice and working in industry.

In her firm Rosie brought world class professional service capabilities, subject matter expertise, and thought leadership to various vertical markets including Retail, Distribution, Manufacturing, Consumer Goods, Professional Services, Property Management, Condominiums and many not-for-profit organizations.

– 2017, Amalgamation and New Partner

This year saw many changes with Ren and Rosie amalgamating their practices and Erik Roller being made a partner after working at various firms with each other.

With these steps being taken, the combined firms have evolved into a top tier mid-sized firm in the Golden Horseshoe, with a focus on SME’s and businesses with entrepreneurial focus. The combined partners and staff result in excellent service to its customer base on all levels.



Below you will find answers to the questions we get asked the most about our accounting services at Henderson, Fleischer, Roller.
  • When are my personal taxes due?

    Your personal tax return must be filed and any taxes owing must be paid by April 30 each year.

  • What is the deadline for making RRSP contributions?

    RRSP contributions for a given year can be made up to the 60th day of the following year (ie. for your 2019 taxes, you can make contributions up to February 29th, 2020).

  • When do I have to register for HST?

    In general, businesses and sole proprietors need to register for HST once their revenue is over $30,000 within four consecutive calendar quarters. However, the rules surrounding HST can be quite complicated, so please contact our office for a consultation should you have any questions.

  • When is my corporate tax return due?

    Your corporate tax return must be filed within six months of your corporate fiscal year end.


For most business owners, bookkeeping is probably their least favorite task. However, if you’re running…

We’ve heard a lot from the “99 per cent” over the last year. But a…

Filing tax returns can be a daunting task, especially if you have not kept adequate…

Jordan – Business owner
With the expertise and guidance from HFR, I have grown my business to 17 employee’s and improved my profitability
     I began using Henderson Fleischer Roller’s accounting services operating a one-person business, using my garage as my business office. With the expertise and guidance from HFR, I have grown my business to 17 employee’s, have improved my profitability and am now renting an office location in the downtown core”. Without HFR, I wouldn’t have had the financial knowledge to make the crucial decisions that needed to be made for my business during the growth stages. From their bookkeeping and accounting team to planning for future capital expansion, HFR has covered all financial aspects of my business in the most efficient and trust worthy way.


Laurence (Ren) Henderson

Partner, CPA, CA, TEP


Partner, CPA, CA, LPA


Partner, CPA, CA, LPA


Principal, CPA, CA

Rosemarie (Rosie) Fleischer

Counsel, CPA, CA

Interested in joining our team?

We are always looking for dynamic, energy, results driven individuals to join our growing team.
Whether it is administrative support, bookkeeping, financial planners or
Chartered Professional Accountants  concentrating in a specific area,
our team is always growing  and looking to add bright,
energetic business professionals.
We provide a platform for all employees
to succeed in both their
professional and
personal lives.

Apply now


Fill out the form below to recieve a free and confidential intial consultation.