List of Advertising agencies in Ontario
Ontario has approximately 1,453 Advertising agencies as of March 13, 2026. The highest concentrations are in cities such as Toronto (483), Mississauga (92), North York (58), positioning Ontario as a key regional market for city-level and statewide B2B campaigns.
Ontario, contributing around 30.6% of all 4,755 Advertising agencies in Canada, making it one of the largest and most important state-level markets for targeted outreach. Around 42.1% of Advertising agencies in Ontario have email addresses, 91.9% have phone numbers, and 39.4% include both — with 73.0% also having a website.
Businesses in this dataset are well-represented on social media: 426 have Facebook pages, 444 are on Instagram, 413 have LinkedIn profiles, 246 use X (formerly Twitter), 174 maintain YouTube channels. Over 593 Advertising agencies have been rated by real users, making this dataset a strong fit for reputation management and review-based outreach. This dataset helps target Advertising agencies across Ontario efficiently.
| 1453 Number of Advertising agencies | |
| 611 Email addresses | |
| 1336 Phone numbers | |
| 1061 With Websites | |
| 413 LinkedIn Profiles |
| 426 Facebook Profiles | |
| 444 Instagram Handles | |
| 246 X Handles | |
| 174 YouTube Channels | |
| 572 Phone and Email |
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Data updated on March 13, 2026
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| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
How many Advertising agencies are there in the Ontario?
Advertising agencies in the Ontario
Last updated: March 13, 2026
Approximately 42.1% of Advertising agencies in Ontario have email contacts, while 91.9% have phone numbers, supporting effective regional outreach strategies.
Data last updated March 13, 2026
91.9%
1,336 Advertising agencies in Ontario with Phone Number
42.1%
611 Advertising agencies in Ontario with Email Address
39.4%
572 Advertising agencies in Ontario with Phone and Email
Distribution by Location
Number of Advertising agencies across different territories
The Advertising agencies market in Ontario is highly concentrated in key cities such as Toronto (33.2%), Mississauga (6.3%), North York (4.0%), indicating strong regional clusters and economic activity.
City | Advertising agencies | % of Total |
|---|---|---|
| Toronto | 483 | 33.2% |
| Mississauga | 92 | 6.3% |
| North York | 58 | 4.0% |
These figures highlight that Advertising agencies businesses are concentrated in economically active cities, making them prime targets for large-scale outreach campaigns.
How to Use the List of Advertising agencies in Ontario
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across Ontario is solid — 91.9% of advertising agencies 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
42.1% of advertising agencies 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
39.4% of advertising agencies 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
73.0% of advertising agencies 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
49.0% of advertising agencies 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.
Ontario's share of the national Advertising agencies market makes it a standalone opportunity — large enough to justify a dedicated state-level outreach strategy.
Top Cities in Ontario
List of Advertising agencies in Ontario with Social Media Accounts
30.6% on Instagram — reflecting strong digital engagement across the state and readiness for regional social campaigns
Explore Related Advertising agencies by Location
Around 73.0% of Advertising agencies in Ontario have an active website, reflecting strong digital maturity across the state and readiness for web-based outreach.
Data last updated March 13, 2026
73.0%
1,061 Advertising agencies in Ontario that have a website
27.0%
392 Advertising agencies in Ontario that do not have a website
Download sales qualified leads of Advertising agencies in the Ontario
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
More than 712 Advertising agencies across Ontario carry a 4-star or higher rating — reflecting strong service quality standards and solid review engagement statewide.
148
1-star rated Advertising agencies in Ontario
19
2-star rated Advertising agencies in Ontario
52
3-star rated Advertising agencies in Ontario
119
4-star rated Advertising agencies in Ontario
593
5-star rated Advertising agencies in Ontario
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Advertising agencies are there in Ontario?
There are 1,453 Advertising agencies in Ontario as of the latest update. This makes Ontario an active market for B2B outreach and lead generation in the Advertising agencies industry.
How many Advertising agencies in Ontario have email addresses?
611 Advertising agencies in Ontario have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Advertising agencies in Ontario have phone numbers?
1,336 Advertising agencies in Ontario include phone numbers. Of those, 572 also have email addresses, making them ideal for multi-channel outreach.
Which cities in Ontario have the most Advertising agencies businesses?
The top cities by Advertising agencies count are Toronto (483), Mississauga (92), North York (58). 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 Advertising agencies in Ontario?
Absolutely. The dataset covers 1,453 Advertising agencies businesses across Ontario, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Advertising agencies 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 Advertising agencies 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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