We are a Toronto-based accounting firm with the expertise to help you achieve your business goals.

Shimmerman Penn is much more than an accounting firm. We are there for you at every stage in the development of your business. In addition to core accounting, assurance and tax compliance services, we offer our clients a full range of financial, taxation and business advisory services to assist with your continued success.

When you're a Shimmerman Penn client, we will work closely with you and get to know your company or organization to help you meet your objectives. Our ability to deliver on this promise is reinforced by our wealth of industry-specific experience and knowledge across a wide range of business sectors.