ABOUT US

Trusted CPA & Tax Accountants in Scarborough, Toronto

Diamond CPA is a CPA-led accounting and tax firm based in Scarborough, Ontario, serving individuals, self-employed professionals, and corporations across Toronto and the GTA (Toronto, Markham, Pickering, Ajax, Whitby, Oshawa, & nearby cities) for more than a decade.

Our services include Corporate Tax Returns (T2), Personal, Self-Employed, and Trust Income Tax Filings (T1 & T3), Accounting, Bookkeeping, Payroll & HST, Tax Planning and Startup Advisory as well as CRA Audit Support and Resolution, all designed to minimize taxes, ensure CRA compliance, and support long-term financial growth.

Who We Serve

Diamond CPA supports a diverse range of clients, including:

  • Individuals, Families & Trusts
  • Self-Employed Professionals & Contractors
  • Small & Medium-Sized Incorporated Businesses
  • Startups & New Incorporations
  • Doctors, Health Professionals, Clinics & Medical Corporations


Meet Our Founder
Goutom Sarker, CPA, CGA

Leader • Educator • Tax Advisor

Goutom Sarker, CPA, CGA is a trusted tax professional with over two decades of industry experience serving individuals, corporations and consultants (with a specialization in healthcare professionals) across Canada. Alongside leading Diamond CPA, he also taught taxation at post‑secondary institutions, contributing to the development of the next generation of tax accountants and auditors.

With deep expertise in personal tax, small business tax, medical corporation tax, corporate structuring, CRA compliance, etc. Goutom ensures that Diamond CPA remains compliant with evolving tax laws, CRA policies, and financial strategies, so clients receive accurate and strategic advice year-round.

Scarborough CPA Firm With Local Expertise

As a Scarborough-based CPA firm, we understand the financial landscape, tax requirements, and business environment of Toronto and the GTA. Our local expertise allows us to better support small businesses, professionals, medical corporations, and families who need reliable accounting support. We offer flexible service delivery, whether you prefer in-person meetings or secure virtual consultations, we are equipped to serve you promptly and professionally.

Whether you’re an employee or managing a growing corporation, we tailor our services to meet your unique needs.