Our Expertise,

Your Personal and Small Business Tax Accountant

At Diamond CPA, you get access to a highly qualified Personal and Small Business Tax Accountant with decades of experience, all working towards a single goal: Your Financial Success.

“My books were a mess before I came to Diamond CPA. They have really helped me understand where my money is going, and now my finances are more organized.

I am so thankful for all your help.”
Romeo G
Venue Revive

Leader. Teacher.
Your Own Tax Accountant.

After more than two decades in the tax accountant sector, Goutom Sarker – CPA, CGA has come to be known as a thought leader of Personal and Small Business Tax Accountant in Scarborough.

As a professor of tax at a post secondary institutions, Goutom trains the next generation of tax accountants and auditors and is recognized for personal and small business tax accountant leadership and experience.

With Goutom and Diamond CPA’s insights on the latest changes in the industry, you can rest assured that your personal and business finances will flourish when we start working with you.


“I was impressed by their focus on small business – they recommended a comprehensive package of services that fit the budget perfectly!
M. Hossain

Owner, Operator, Pizza Pizza

“Thanks to Diamond CPA, our books are in order, tax returns are prepared on time, and we’re not paying too much in taxes. They always take the time to answer our questions and explain everything we ask for.”
D. Parai

Owner Operator, The Great Canadian Bagel


24 Hour Response Time

Don’t wait for days and weeks for your accountant to get back for simple inquiries. Diamond CPA promises a 24 hour response time for all your requests.

Peace of Mind Guarantee

Diamond CPA’s team of accountants take the utmost care when preparing your tax documents, meaning that we get it right the first time, every time.

CRA Relief Guarantee

When you bring Diamond CPA onboard, you won’t have to deal with any CRA calls – We’ll do it on your behalf (and with expertise, so that all issues get resolved promptly and without any penalties)

Confidential and Secure

All of our data and file are kept secure using state of the art encryption and locks. Only your account manager and you have access to your financial records

Strategy Sessions

All of our business clients receive a one hour strategy session every quarter where we where we sit down with you and apply advanced cost reduction strategies to boost profits.


Business Taxes

With over 15 years in business, we have worked with hundreds of business owners just like you. With our wide ranging experience in industries like hospitality, construction, manufacturing, medical, and services, we already understand the best practices for tax reduction and cost savings, meaning that you see an instant impact from the moment you start working with us.

Our services don’t end with taxes – in fact, that’s where they start. Our tax experts will review your finances to maximize every single penny in tax savings. From that point, we continue to work with you to implement cost reduction strategies and best practices from other industries to give your business the edge over your competitors. This is done via in-depth strategy sessions every quarter, included with all of our plans.

All of this means that you get a multiple return on your investment with Diamond CPA.

Getting calls from the CRA is not fun – nobody likes to deal with the government asking for more and more money. Which is why we take over your correspondence with the CRA – which includes everything from arguing your case to dismissing any unfair penalties. We deal with the CRA in a proactive and professional manner and use our industry knowledge to address all of their objections. All so that you can relax and focus on what matters more – growing your business.

With all of the uncertainty around the pandemic, business owners are missing clarity on where they stand with the CRA and how much they are going to owe the government. We help with all CEBA and CEWS issues by understanding your unique position and communicating with the CRA.

We offer free consultations to all business owners where we take the time to understand your business problems and prescribe a custom solution. You can book your free consultation here.

PS. there is no sales on this call. We provide you a solution, and you have the choice to hire us based only the value we deliver in your free consultation.

Personal Taxes

Diamond CPA offers a quick turnaround time on most personal tax filings. Our average filing time is quick, between same day as the quickest and same week at the most.

Yes! Our tax team has experts specifically dedicated to handling all CERB and CRB tax issues and complications, meaning that you will get personalized attention and the best outcome with your unique situation. In most cases, there will not be any extra charges for CERB cases.

Diamond CPA offers E-file services that make filing your taxes easy, hassle-free, and can be done from the comfort of your home. Our tax filing system is secured by industry standard encryption, and we offer a confidentiality guarantee.

You can start your process here.


For every client, we promise the following:

1. We will always work to save you money

2. We will maintain confidentiality

3. We will help you grow your wealth by using tax wisely

Your Financial Success

Begins Here

Got additional questions? Call Now