Welcome to Koroll & Company!

We're a public accounting firm located in Newmarket, Ontario.  We provide a full range of services including accounting, auditing, taxation and business advisory services. Our clients represent a broad cross section of small to large owner managed business and not-for-profit organizations. Join us to experience our personal approach to servicing your business.

We have grown our firm with quality service and satisfied clients who refer to us as their trusted accounting firm to their friends, family members and associates. The only way we know how to achieve this is strive to exceed your expectations and provide you with exceptional service.

So Contact Us and speak to a friendly staff member from Koroll & Company today!


We're Proud To Be Part Of A New Generation of Public Accountants!

Within the last decade a new generation of accounting has been introduced to the market. New opportunities, challenges, and policies have widely altered the "traditional style" of public accounting. Staying ahead of all the new accounting requirements and the benefits they offer our clients is how we approach each day, each project, and each client.

We have the most qualified and up-to-date resources to assist you with all your business challenges.

Our Philosophy

At Koroll & Company, we provide more than accounting: we look to educate our clients. We help them explore their short and long-term goals, as well as their values, strengths, skills, and interests. This ensures a strong working relationship that is beneficial to us both. We view every client relationship like a partnership, and we truly believe that our success is a result of your success.

We are committed to providing close, personal attention to our clients. So we take pride in giving you the assurance that the assistance you receive comes from years of advanced training, technical experience and financial acumen. Our continual investment of time and resources in professional continuing education, state-of-the-art computer technology and extensive business relationships is indicative of our commitment to excellence.

Our Mission

We will invest the time to fully understand your business and its needs. We look forward to meeting with you, touring your facility, and in profiling your company and its culture.

We feel our most important resource are the professionals who work on our team. We invest our time and our expertise in our people to ensure we have the kind of knowledge you need to make you succeed through today's business environment.

  • Our goal is to provide real value to our clients.
  • Our job is to provide cost-effective, practical business solutions.
  • Our advice is clear, practical and effective.
  • We help our clients succeed and turn their dreams into reality.