About Us
We have 5 partners and close to 20 staff providing a wealth of in-house knowledge. Please visit "Our Team” page for detailed partner and staff profiles. We have extensive contacts in the community to assist you in building a team of professional advisors for the services you need.

Owner-managed businesses are the core of our practice – we specialize in meeting the tax, accounting and advisory needs of small to medium-sized businesses in Waterloo Region and surrounding areas.

We provide tax planning and tax return preparation services to individuals and family groups. We are a firm where people stay for many years so there is always someone here who is familiar with you and your family.

We pride ourselves on being a leader in providing professional services to the not-for-profit community and we currently serve more than 75 organizations.

At Clarke Starke & Diegel LLP, we believe in the value of relationships. We view every client relationship like a partnership, and truly believe that our success is a result of your success.

Clarke Starke & Diegel LLP is a member of the following organizations:

  • Greater Kitchener-Waterloo Chamber of Commerce
  • Centre for Family Business
  • Canadian Condominium Institute