Diamond CPA

Your partner in small business accounting and tax planning

Maximize your financial potential with expert accounting and tax services in Calgary. From monthly accounting to year-end tax planning, our CPA firm has got you covered. Join our satisfied clients and build a successful financial future.

Shivam Kapoor
22:32 14 Apr 25
“Very knowledgeable and helpful. I’m 100% satisfied with his expertise. Highly recommend!”
Sp Singh
22:28 14 Apr 25
Listed to my questions and queries patiently and advise accordingly.
Rajesh Sahota
18:28 14 Mar 25
Very professional, down to earth, hard working team. No words to express their quality of work and services. Highly recommended 👍
Sam Soboh
15:58 06 Mar 25
10/10 !
Steven Le
17:59 24 Feb 25
I've had the pleasure of working with Diamond, and I must say, his knowledge of accounting is exceptional. He has a deep understanding of complex financial concepts and is always up-to-date with the latest tax laws and regulations. Whether it's personal finance or business accounting, Diamond is able to explain everything in a clear, easy-to-understand manner. He takes the time to assess each situation thoroughly and provides tailored solutions to meet specific needs. I highly recommend him for anyone in need of a knowledgeable, reliable accountant.
Nishit Bhavsar
13:22 12 Jan 25
Dimond Uncle's experience in tax planning, financial analysis, and budgeting has been invaluable to my business. They take the time to understand my unique needs and provide personalized solutions that have saved me time and money.I highly recommend Dimond Uncle to anyone looking for a trustworthy and skilled accountant. They are a true asset to any business or individual seeking expert financial guidance.
Parvez Khoja
22:28 02 Nov 24
Diamond has been an incredible guide and advisor for me. Their knowledge in accountability and taxation is impressive, but what truly stands out is their positive approach and dedication to ensuring I fully understand every aspect of my questions. Diamond not only provided me with a wealth of knowledge but also instilled in me a confidence that I hadn’t felt before. With patience, kindness, and genuine care, they took the time to make sure I was fully satisfied and at ease. A big salute to Diamond for their amazing support and for going above and beyond. Highly recommend them to anyone seeking a trustworthy, knowledgeable advisor!Thanks 💎
Al Jetha
20:19 05 Aug 24
I’ve been a client of Diamond for over Twenty years. I find Diamond to be very knowledgeable, ethical and professional. He provides different solutions for your situation.Diamond is very patient and will walk you through the process. He will respond to your questions promptly. He’s been a partner in my success.I would highly recommend him for your personal or business accounting needs.
ABDIWAHAB MAALIN
00:57 14 Jun 24
I had the pleasure of meeting and working with Diamond, and I am extremely satisfied with the experience. He possesses exceptional knowledge and expertise in accounting and tax matters. His patience and dedication truly set him apart. I felt well-informed and comfortable with every decision. Diamond is professional, adaptable, and dedicated to high standards and customer satisfaction.I highly recommend Diamond and his firm to anyone in need of top-notch accounting services.Thank you Mr Diamond for everything you’ve done for me

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Smart & stress-free accounting solutions

Managing your finances doesn’t have to be overwhelming. Our expert accounting services ensure accuracy, organization, and strategic tax planning, so you can focus on growing your business with confidence. From effortless monthly bookkeeping to year-end tax optimization and confidential tax expertise, we provide the guidance and precision you need to stay financially secure and successful.

Effortless Monthly Accounting for Business Owners

Keep your finances in order with our professional monthly accounting services. We ensure precision and organization, allowing you to focus on what you do best – running your business.

Year-End Tax Planning
Made Simple

Our team reorganizes and prepares your financial statements and tax returns efficiently. Discover strategic tax plans that reduce your tax burden and keep more of your hard-earned money.

Confidential Tax
Expertise

We work closely with tax lawyers to handle complex matters, providing you with peace of mind and professional guidance.

12 Years

New home construction

5 Years

Retail and daycare ownership

2 Projects

Partnership of commercial development projects

5 Years

Cell phone franchise ownership

About Us

In 1980, I took a leap of faith. After working as a controller in manufacturing, I realized I wanted more—control over my time, my work, and my success. That’s when I started my own accounting practice.

With a small office in Southeast Calgary, no internet, and just a dial-up phone, I built my business from the ground up. Over the years, word of mouth and client trust fueled our growth. What started as a one-person operation is now a dedicated team, committed to providing expert guidance and immediate support.

At Diamond K Adatia Professional Corporation, we believe in professionalism, integrity, and personalized service. We collaborate with top experts to ensure our clients always receive the best advice. Our mission is simple: help businesses grow and succeed.

— Diamond K Adatia, CPA, CA

President, Diamond K Adatia Professional Corporation

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Our mission & vision

DIAMOND K ADATIA PROFESSIONAL ACCOUNTANT offers accounting, bookkeeping, tax services, new business setup, coaching for accountants, and more across Calgary, Alberta.

Our services

We continually provide premium services to our clients. We can be of service to you regarding all of the below. Contact the office for information not listed; add them here and do them or find the contact who can help you. We will steer you in the right direction.

After all, accurate and reliable financial data is the key to the success of any business. The department of accounting & bookkeeping in Calgary at Diamond CPA is here to provide you with accurate financial data that will help you build a better business.
Starting a new business in Calgary opens the door to many opportunities, but it also comes with financial complexities. New Business Tax Advisory Services are essential for guiding entrepreneurs through the intricate tax regulations that govern businesses in Alberta
In North East Calgary’s dynamic economic landscape, tax consultants play a vital role for small and medium-sized businesses. As entrepreneurs and business owners navigate the complexities of small business taxes and tax planning, having a knowledgeable partner is essential. 

Your search for reliable chartered professional accountants in Calgary ends here at DiamondCPA. We have handpicked some of the most qualified and brilliant chartered accountants in Calgary to provide thorough tax preparation services and business advisory to clients.

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Smart & Stress-Free Accounting Solutions

From startups to tax strategies, we offer tailored financial and business solutions that secure your growth.

Most of all we have been there for the client whenever needed. And, we continue to give the client the best tax and financial advice. If it is beyond us, we involve tax lawyers to join hands with, but we do make sure the client wins! I know that we can give you our best to mutually benefit all of us!

Thank you for the pleasure of your Company today!

In over 40 years of service, I have come to know the needs of a variety of clients, from Professional to Retail to Construction, having been partnered in: