Opengate Professional Accountants
“I'm impressed by the results and I highly recommend for a smooth tax submission”
Best Accountants in London, ON
24 firms listed · all 24 in London · 4 open weekends · 22 rated 4.5+
Data verified October 21, 2026
Forest City Accounting Services
“I am especially impressed that there's no barrier he isn't willing to overcome, whether that requires some research or a call to the CRA, Tong ensures everything is done 100% accurately and on time.”
NG Chartered Professional Accountants
“We have worked with Rob and his team for a number of years and in different capacities and have come to rely on their expertise extremely professional services… we highly recommend them for business or personal accounting needs.”
Akpc Chartered Professional Accountant
“The staff are all so wonderful and helpful, and completed my taxes in a timely fashion!”
Major Tax & Accounting, CPA
“Indira has helped us with business and personal income tax for several years and we are ever so thankful for her expertise.”
C & V
“My whole family are always very pleased with your service, see you again next year!!!!”
The 24 firms listed for London, ON handle year-end statements, corporate filings and personal returns. Details about sectors and software come from each firm's own website; ratings and quotes come from public reviews.
Area overview: London, ON
All 24 firms we list here are in London itself. We have 39 firms in London on file; this page shows the highest-rated 24. The firms on this page are rated from 4.1 to 5.0 across 1,960 reviews; 10 have 50 or more reviews and 22 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "communication", "expertise" and "price". 4 are open on Saturdays and 1 on Sundays. 9 have ten or more years of experience, the longest 28 years. 6 offer a free initial consultation and 1 lists coupons or special offers. We have a website on file for all 24 of the firms on this page; 20 publish a contact page and 19 list a public email. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
Which accounting firms listed for London describe their services online?
All 24 firms listed here have a website on file. Most set out the sectors they work in and the software they support. Read that first, and remember it is the firm's own account rather than anything checked by someone else.
Trillium Bookkeeping and Accounting
“Anytime I forgot to enter an item in QuickBooks or made a minor mistake they would call me out on it so I can correct it.”
Multitaxservices
“I filed my taxes through them and received my funds within a few days.”
Canadian Accounting & Financial Services
“Your detailed explanation of the various tax regulations and procedures was incredibly helpful, and I feel much more confident about navigating the tax system in the future”
Salam Accounting
“His unwavering commitment to client success, coupled with his deep-rooted belief in the power of financial planning, makes him a trusted advisor and a pillar of support for businesses seeking to thrive in a competitive landscape.”
Ayad Accounting & Management
“Mr Ayad was very professional and sorted out my mess of taxes in no time at all.”
Bluecaribou Chartered Accountants
“From the individual, to the small business to a larger Corporation, Robert & Calen and their team are always there to help provide solutions for all tax issues.”
Davis Martindale
“They go out of their way to make their clients experience a positive one.”
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Pimlico Accounting
“Always available to answer questions and gives great service at a great price”
Ford Keast
“Ford Keast handled my incorporation, roll over of assets and all of the related GST/HST stuff that no one really understands except for a solid accountant (rolling from proprietor to corp)”
Joseph Mukkada, CPA
“Fast service ,help for financial modeling, well expertise and help to find out areas to improve , Trustworthy & affordable .”
Bernie Keim, CPA
“He is awesome and very good professional accountant.”
Millson Hills Accounting and Bookkeeping Services
“Thanks to their learned knowledge over these past 23 years, they have saved me literally hundreds of thousands of dollars is fees, charges, interest, and money saving ideas and growth suggestions.”
Accounting Minds
“They always make sure I get as much money back as possible for my taxes.”
Fisher Professional Corporation
“I have used the Fisher corporation for years to complete my taxes.”
Qzee Business & Services
“Mohammad is the best accountant I've had , he knows his work and thorough at what he does .”
Hesketh Company Limited
“Mark is amazing and the best thing that's happened to my business.”
Gregory M Toner CPA Professional Corporation
“Wonderful friendly staff that is always ready and quick to respond to all my questions and business needs.”
Wilkinson Rogers
“Very detail oriented and easy to work with accountants.”
Why these companies made our list
What clients say about firms in London
- “For a small business owner they take a lot of the stress and pressure off day to day accounting, fast and effective communication.” — client of Trillium Bookkeeping and Accounting
- “The team gets paperwork handled professionally so you can concentrate on your job and they take care of the tax and accounting.” — client of Akpc Chartered Professional Accountant
- “Ayad is a very kind accountant and patient with all accounting questions!” — client of Ayad Accounting & Management
- “Outstanding service! This accounting firm surpassed my expectations with expertise and precision.” — client of Akpc Chartered Professional Accountant
Excerpts from public reviews of the firms listed on this page.
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