List of Accounting firms in Ontario
Ontario has approximately 1,959 Accounting firms as of March 13, 2026. The highest concentrations are in cities such as Mississauga (233), Toronto (216), Brampton (142), positioning Ontario as a key regional market for city-level and statewide B2B campaigns.
Ontario, contributing around 37.7% of all 5,200 Accounting firms in Canada, making it one of the largest and most important state-level markets for targeted outreach. Around 51.3% of Accounting firms in Ontario have email addresses, 95.6% have phone numbers, and 50.1% include both — with 76.6% also having a website.
Businesses in this dataset are well-represented on social media: 458 have Facebook pages, 318 are on Instagram, 467 have LinkedIn profiles, 186 use X (formerly Twitter), 130 maintain YouTube channels. Over 1,073 Accounting firms have been rated by real users, making this dataset a strong fit for reputation management and review-based outreach. This dataset helps target Accounting firms across Ontario efficiently.
| 1959 Number of Accounting firms | |
| 1004 Email addresses | |
| 1873 Phone numbers | |
| 1501 With Websites | |
| 467 LinkedIn Profiles |
| 458 Facebook Profiles | |
| 318 Instagram Handles | |
| 186 X Handles | |
| 130 YouTube Channels | |
| 982 Phone and Email |
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Data updated on March 13, 2026
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Download sample list of Accounting firms in Ontario
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| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
How many Accounting firms are there in the Ontario?
Accounting firms in the Ontario
Last updated: March 13, 2026
Approximately 51.3% of Accounting firms in Ontario have email contacts, while 95.6% have phone numbers, giving strong contact coverage for regional sales and marketing.
Data last updated March 13, 2026
95.6%
1,873 Accounting firms in Ontario with Phone Number
51.3%
1,004 Accounting firms in Ontario with Email Address
50.1%
982 Accounting firms in Ontario with Phone and Email
Distribution by Location
Number of Accounting firms across different territories
The Accounting firms market in Ontario is highly concentrated in key cities such as Mississauga (11.9%), Toronto (11.0%), Brampton (7.2%), making these areas the most competitive and opportunity-rich markets.
City | Accounting firms | % of Total |
|---|---|---|
| Mississauga | 233 | 11.9% |
| Toronto | 216 | 11.0% |
| Brampton | 142 | 7.2% |
| North York | 95 | 4.8% |
| Markham | 82 | 4.2% |
| Ottawa | 77 | 3.9% |
| Richmond Hill | 62 | 3.2% |
| Oakville | 61 | 3.1% |
| Scarborough | 53 | 2.7% |
These figures highlight that Accounting firms businesses are concentrated in economically active cities, making them prime targets for large-scale outreach campaigns.
How to Use the List of Accounting firms in Ontario
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across Ontario is solid — 95.6% of accounting firms have phone numbers in this dataset. Your team can start calling Ontario-based prospects immediately, without spending time sourcing or validating contacts first.
Statewide Email Campaigns
51.3% of accounting firms in Ontario have an email address on record. That's enough coverage to run full-state email sequences — from initial outreach to follow-up — hitting every major market and regional hub in a single campaign.
Multi-Channel Outreach Across Ontario
50.1% of accounting firms in Ontario have both phone and email on record. Rather than running separate lists per channel, your team can coordinate calls, emails, and follow-ups against the same contacts from one dataset.
Regional Ad Targeting
76.6% of accounting firms in Ontario have a listed website — a strong signal of digital presence. Use those records to build lookalike audiences or upload the full list as a custom audience on Facebook, Google, or LinkedIn for precise, state-level ad targeting.
Pitching Services to Ontario Businesses
60.8% of accounting firms in Ontario are rated 4 stars or higher by real customers — a prime segment for reputation management tools, review platforms, and any service that helps businesses maintain or grow their online presence statewide.
With over 1 in 10 Accounting firms businesses nationwide located here, Ontario offers unmatched depth for multi-city campaigns and high-volume outreach pipelines.
Top Cities in Ontario
List of Accounting firms in Ontario with Social Media Accounts
23.8% on LinkedIn — indicating high social adoption across the state, supporting both organic and paid strategies
Explore Related Accounting firms by Location
Around 76.6% of Accounting firms in Ontario have an active website, ideal for agencies and SaaS tools looking to scale their reach across a single high-value state.
Data last updated March 13, 2026
76.6%
1,501 Accounting firms in Ontario that have a website
23.4%
458 Accounting firms in Ontario that do not have a website
Download sales qualified leads of Accounting firms in the Ontario
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
With 1,191 Accounting firms rated 4 stars or above, Ontario is a strong market for reputation management and statewide review outreach strategies.
371
1-star rated Accounting firms in Ontario
48
2-star rated Accounting firms in Ontario
37
3-star rated Accounting firms in Ontario
118
4-star rated Accounting firms in Ontario
1,073
5-star rated Accounting firms in Ontario
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Accounting firms are there in Ontario?
There are 1,959 Accounting firms in Ontario as of the latest update. This makes Ontario an active market for B2B outreach and lead generation in the Accounting firms industry.
How many Accounting firms in Ontario have email addresses?
1,004 Accounting firms in Ontario have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Accounting firms in Ontario have phone numbers?
1,873 Accounting firms in Ontario include phone numbers. Of those, 982 also have email addresses, making them ideal for multi-channel outreach.
Which cities in Ontario have the most Accounting firms businesses?
The top cities by Accounting firms count are Mississauga (233), Toronto (216), Brampton (142). These markets represent the highest concentration of prospects and are strong targets for priority outreach and regional campaign planning.
Is this dataset suitable for statewide outreach to Accounting firms in Ontario?
Absolutely. The dataset covers 1,959 Accounting firms businesses across Ontario, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Accounting firms in Ontario?
Each record typically includes business name, address, phone number, email, website, social media handles (Facebook, Instagram, LinkedIn, X, YouTube), and customer ratings where available.
How can I access the complete Accounting firms list for Ontario?
You can purchase and instantly download the full dataset from this page. A free sample is also available so you can review the data quality and structure before buying.
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