Trenton
67 Ontario Street
Trenton, ON K8V 2G8
Get directions
T. (613) 392-1287 | F. (613) 392-5456
E. dcoleman@welch.on.ca
Hours of Operation
Tuesday: 8:30am - 4:30pm
Wednesday: 8:30am - 4:30pm
Thursday: 8:30am - 4:30pm
Friday: 8:30am - 4:30pm
Saturday - Sunday: Closed
General enquiries
Whether you have a question about one of our services or you are looking for advice, we are here to help.
Accounting, Tax & Advisory Services in Trenton
Our Trenton office is built around a stable, long-standing partnership. Whether it’s audit and assurance, tax planning, or day-to-day advisory needs, our Trenton team handles it directly.
Assurance and Accounting
Trust us to evaluate your organization’s finances and test your internal controls.
Client Accounting Services
As your business grows, so do the responsibilities of your finance team. Outsourcing Welch’s CAS team is a cost-effective and […]
Digital Services for Companies
Welch Technology Advisory Services are a perfect mix of an organization’s risk compliance, security, data and technology requirements enabling trust in systems, design, processes and data
Doing Business in Canada
As you expand your business into Canada, we will guide you through tax systems and legislative requirements.
Family Office
Welch Family Office delivers comprehensive oversight of your family’s financial, tax, and strategic affairs through an integrated, centralized approach.
Family Wealth Advisory
You’ve worked hard to generate wealth. We’ll ensure your wealth works hard on your behalf.
Mergers and Acquisitions
We help clients build higher-value organizations and provide M&A advisory services.
SR&ED and Business Incentives
You regularly look at your business to evaluate its value and growth potential. Let us help.
Tax Services
We help navigate this complicated world and advise you on the best course of action.
Risk Advisory
Our service helps businesses identify, manage, and respond to risk.
Experienced Professional Accountants in Trenton
Consistency matters when it comes to your finances. Our Trenton accounting team has built lasting client relationships over years of practice, giving you continuity you can count on year after year.
Team members
Related Resources
20K Sock Day 2026
March 04, 2026 – Welch Quinte collects and donates 1,162 pairs of socks for 20k Sock Day!
Congratulations to John Brocklehurst of the Trenton Office
December 17, 2025 – The partners and staff of Welch LLP congratulate John Brocklehurst of the Trenton office for passing the CPA Common Final Exam!
Happy Holidays from our Quinte Offices
December 15, 2025 – As the year draws to a close, we want to take a moment to thank you for your continued support. Welch LLP thrives because of the dedication and encouragement of community members like you.
Expanding the SR&ED program in recently announced proposal
August 19, 2025 – On August 15, 2025, the Department of Finance released for consultation draft proposal to expand the Scientific Research and Experimental Development (“SR&ED”) tax credit program.
Payments to Subcontractors – What are my obligations?
August 18, 2025 – While your business may not fit the traditional image of the construction industry, the CRA applies a broad interpretation of what constitutes construction activities. This can expose unsuspecting businesses to significant penalties if they fail to meet T5018 reporting obligations.
Understanding Changes to Holdback Rules Under Ontario’s Construction Act
August 04, 2025 – The changes to the Construction Act, included within Bill 216, have numerous impacts to long-term construction projects. This includes improved cash flow, simplification of the holdbacks process, and corporate tax implications.
Ontario Increases Support for Manufacturers with Enhanced Ontario Made Manufacturing Investment Tax Credit
May 06, 2025 – As part of the upcoming 2025 Ontario budget, proposed changes would increase the OMMITC from a 10% to a 15% refundable tax credit for CCPCs, as well as expanding eligibility to non-Canadian-controlled private corporations as a non-refundable tax credit, designed to support and encourage their investments in Ontario.
20K Sock Day 2025
March 12, 2025 – A total of 1,086 pairs of socks were donated to 3 Oaks Foundation and the Grace Inn.
Starting Your Dental Practice: Items to Consider
March 03, 2025 – When you’re stepping into the professional world of dentistry, it is an exciting time filled with opportunities and challenges. As you embark on your new business journey, we want to share some guidance and tips to help you navigate this transition smoothly.
Artificial Intelligence – practical uses and security considerations in your business environment
February 26, 2025 – Join us on February 26 for an informative live webinar on Artificial Intelligence and its practical uses and safety considerations for your organization.
Relief from Capital Gain Inclusion Rate Increase
February 03, 2025 – The ongoing saga of the proposed increase in the capital gains inclusion has finally come to an end – for now. Given the uncertainty created by this situation, the Department of Finance’s announcement to defer this change is welcome relief. That said, taxpayers will want to consider how this about-face impacts their particular situation, including:
2024 CFE Grads
December 06, 2024 – The results are in! Please join us in celebrating our successful 2024 CFE Writers
