List of Marketing agencies in Ontario
Ontario has approximately 5,092 Marketing agencies as of March 13, 2026. The highest concentrations are in cities such as Toronto (1,190), Mississauga (430), Ottawa (268), positioning Ontario as a key regional market for city-level and statewide B2B campaigns.
Ontario, contributing around 26.8% of all 19,002 Marketing agencies in Canada, making it one of the largest and most important state-level markets for targeted outreach. Around 41.5% of Marketing agencies in Ontario have email addresses, 89.4% have phone numbers, and 38.1% include both — with 72.5% also having a website.
Businesses in this dataset are well-represented on social media: 1,483 have Facebook pages, 1,551 are on Instagram, 1,513 have LinkedIn profiles, 798 use X (formerly Twitter), 618 maintain YouTube channels. Over 2,239 Marketing agencies have been rated by real users, making this dataset a strong fit for reputation management and review-based outreach. This dataset helps target Marketing agencies across Ontario efficiently.
| 5092 Number of Marketing agencies | |
| 2113 Email addresses | |
| 4554 Phone numbers | |
| 3692 With Websites | |
| 1513 LinkedIn Profiles |
| 1483 Facebook Profiles | |
| 1551 Instagram Handles | |
| 798 X Handles | |
| 618 YouTube Channels | |
| 1938 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 Marketing agencies are there in the Ontario?
Marketing agencies in the Ontario
Last updated: March 13, 2026
Approximately 41.5% of Marketing agencies in Ontario have email contacts, while 89.4% have phone numbers, making it well-suited for statewide lead generation and direct outreach.
Data last updated March 13, 2026
89.4%
4,554 Marketing agencies in Ontario with Phone Number
41.5%
2,113 Marketing agencies in Ontario with Email Address
38.1%
1,938 Marketing agencies in Ontario with Phone and Email
Distribution by Location
Number of Marketing agencies across different territories
The Marketing agencies market in Ontario is highly concentrated in key cities such as Toronto (23.4%), Mississauga (8.4%), Ottawa (5.3%), suggesting that focused regional campaigns here would yield the highest returns.
City | Marketing agencies | % of Total |
|---|---|---|
| Toronto | 1,190 | 23.4% |
| Mississauga | 430 | 8.4% |
| Ottawa | 268 | 5.3% |
| North York | 214 | 4.2% |
| Brampton | 183 | 3.6% |
| London | 133 | 2.6% |
| Markham | 129 | 2.5% |
| Oakville | 122 | 2.4% |
| Hamilton | 106 | 2.1% |
| Burlington | 96 | 1.9% |
| Etobicoke | 94 | 1.8% |
| Scarborough | 78 | 1.5% |
| Kitchener | 77 | 1.5% |
| Richmond Hill | 77 | 1.5% |
| Windsor | 71 | 1.4% |
| Barrie | 69 | 1.4% |
| Concord | 61 | 1.2% |
| Vaughan | 57 | 1.1% |
These figures highlight that Marketing agencies businesses are concentrated in economically active cities, making them prime targets for large-scale outreach campaigns.
How to Use the List of Marketing agencies in Ontario
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across Ontario is solid — 89.4% of marketing 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
41.5% of marketing 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
38.1% of marketing 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
72.5% of marketing 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
49.5% of marketing 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 Marketing agencies market makes it a standalone opportunity — large enough to justify a dedicated state-level outreach strategy.
Top Cities in Ontario
List of Marketing agencies in Ontario with Social Media Accounts
30.5% on Instagram — suggesting a digitally active regional market receptive to statewide social advertising
Explore Related Marketing agencies by Location
Around 72.5% of Marketing agencies in Ontario have an active website, suggesting a digitally established regional market well-suited for state-level SEO and ad campaigns.
Data last updated March 13, 2026
72.5%
3,692 Marketing agencies in Ontario that have a website
27.5%
1,400 Marketing agencies in Ontario that do not have a website
Download sales qualified leads of Marketing agencies in the Ontario
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
2,519 Marketing agencies in Ontario have earned 4-star or higher ratings — demonstrating that businesses across the state actively maintain their online reputation.
504
1-star rated Marketing agencies in Ontario
83
2-star rated Marketing agencies in Ontario
139
3-star rated Marketing agencies in Ontario
280
4-star rated Marketing agencies in Ontario
2,239
5-star rated Marketing agencies in Ontario
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Marketing agencies are there in Ontario?
There are 5,092 Marketing agencies in Ontario as of the latest update. This makes Ontario an active market for B2B outreach and lead generation in the Marketing agencies industry.
How many Marketing agencies in Ontario have email addresses?
2,113 Marketing agencies in Ontario have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Marketing agencies in Ontario have phone numbers?
4,554 Marketing agencies in Ontario include phone numbers. Of those, 1,938 also have email addresses, making them ideal for multi-channel outreach.
Which cities in Ontario have the most Marketing agencies businesses?
The top cities by Marketing agencies count are Toronto (1,190), Mississauga (430), Ottawa (268). 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 Marketing agencies in Ontario?
Absolutely. The dataset covers 5,092 Marketing 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 Marketing 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 Marketing 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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