About Us

Pettinelli Mastroluisi LLP is an accounting firm with over 35 years’ experience and is the business partner of choice for privately owned corporations, their shareholders and non-profit organizations throughout Hamilton and surrounding area.

Founded in 1985, Pettinelli Mastroluisi LLP has grown to be one of Hamilton`s largest independent local firms.

We have built our reputation by offering first class accounting, advisory, taxation and valuation/litigation support services - ensuring everything we do contributes to your financial success.

With six partners, our clients receive quality guidance from our most experienced people. You’ll benefit from a continuing relationship with one or more of our partners and specialists who will be available to assist you when you need us. We take great pride in the long-term relationships we have with many of our clients who appreciate that we are large enough to provide the full range of services they require, but small enough to respond promptly to their individual needs. Our professionals also deeply value collaboration and communication. We work closely with our clients’ lawyers, wealth advisors, bankers and other trusted advisors to understand and implement plans and goals.

For more information about working with Pettinelli Mastroluisi LLP, we invite you to contact us for a free consultation.