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Business Details
50+ Years
experience
Your Trusted Partner for Accounting Solutions
Deeth & Co. & Co. is a mid-sized public accounting firm established in 1961, serving individuals and businesses in Mississauga and Burlington. Our team of experienced professionals specializes in audit, tax, advisory, and risk management services, providing year-round support tailored to each client's unique needs. With a commitment to personalized strategies and open communication, we help clients navigate financial complexities while maintaining strict compliance with regulations.

Our diverse team combines decades of collective experience with a passion for business growth, ensuring clients receive reliable, practical solutions to challenging financial problems. We pride ourselves on building long-term relationships through transparency, expertise, and a client-centric approach that extends beyond traditional accounting services.
Services
Management Advisory Business Planning Tax Services Accounting Software Training Accounting & Assurance Internal Control Management Business Transitioning Bookkeeping
Details
  • Year established: 1961
Highlights and features
  • We provide consistent and trustworthy accounting services with decades of client relationships.
  • Our team combines hundreds of years of combined accounting experience across multiple disciplines.
  • We present financial information with clear transparency to build client confidence.
  • Our team includes co-op students through seasoned CPA managers for comprehensive expertise.
  • We offer personalized approaches tailored to each client's unique business requirements.
Associations and certifications
  • Chartered Professional Accountants (CPA)
What people say
Fast Solutions 100% Recommended Best in Business Reliable Services Excellent Support
Services
Tax Services
Our tax services include corporate and personal tax planning, return preparation, and compliance with federal and provincial regulations. We help clients minimize tax liabilities while ensuring full compliance. Our specialists stay current with changing tax laws to provide strategic advice that maximizes benefits for businesses and individuals.
Business Planning
We develop customized financial plans to help businesses achieve sustainable growth and personal wealth objectives. Our services include risk assessment, investment strategy, and long-term financial mapping. We focus on creating adaptable plans that address current market conditions and future opportunities.
Accounting Software Training
We provide comprehensive training for accounting software platforms to improve business efficiency. Our services include software selection, implementation support, and staff training programs. We help businesses maximize their technology investments through tailored training solutions for all skill levels.
Internal Control Management
Our internal control services identify business risks and implement protective measures against fraud and errors. We conduct comprehensive audits, develop duty segregation plans, and recommend security protocols. These services help maintain accurate financial records and regulatory compliance.
Business Transitioning
We assist business owners with transition strategies for sales, generational transfers, or retirement. Our services include estate planning, tax optimization, and succession strategy development. We help preserve business value while minimizing tax implications during ownership transitions.
People
Richard Clarke
Partner; CPA, CA
With over 35 years of public accounting experience, Richard joined Deeth & Co. & Co. in 2014 and serves as managing partner, providing strategic leadership to the firm.
Stephen Deeth
Partner; CPA, CA
Steve joined the firm in 1978 and has been instrumental in maintaining the firm's commitment to quality accounting services while continuing his father's legacy.
Rajit Paruchuri
Partner; CPA, CA
Rajit joined Deeth & Co. & Co. in 2014 and specializes in tax planning and business advisory services, bringing both technical expertise and strategic insight to clients.
Barry Tischler
Partner; CPA, CA
Barry brings extensive audit and assurance experience to the firm, having graduated with distinction from The University of Western Ontario in 2008.
Richard Krummenacher
Partner; CPA, CA
With two separate careers at Deeth & Co. & Co., Richard has over 30 years of combined experience providing accounting and advisory services to diverse business clients.
Questions
What accounting services do you offer?
We offer audit, tax planning, business advisory, software training, internal control management, business transitioning, and bookkeeping services tailored to your specific needs.
Do you specialize in any particular industries?
We serve manufacturing, finance, medical practices, technology, not-for-profit, construction, real estate, and agriculture sectors with industry-specific expertise.
How can you help with tax planning?
Our tax specialists provide strategic planning to minimize liabilities while ensuring compliance with current regulations and optimizing available tax benefits.
Do you offer software training for accounting systems?
Yes, we provide comprehensive training for multiple accounting platforms to improve your team's efficiency and software utilization.
What makes your firm different from others?
We combine decades of experience with personalized service, offering year-round support and practical solutions tailored to each client's unique needs.
How do you handle business succession planning?
We develop customized transition strategies including estate planning, tax optimization, and succession frameworks to ensure smooth ownership transfers.
Reviews (1)
Nicole Marsh
Jan 10, 2020 Report
We have being using Deeth and Co for a few years now and always have received excellent and very professional services from Richard Krummenacher.