This email list covers 4,721 marketing agencies across Ontario's 253 cities, delivered as Excel and CSV files the moment you pay $19 USD. Of the 4,721 businesses, 3,545 have an email address, 4,540 a phone number, 4,366 a website, 4,682 a street address and 2,036 a Google rating — a blank cell means the business does not publish that field. Use it for cold email, calling or direct mail to marketing agencies across Ontario's 253 cities; one purchase includes free updates.
The Ontario marketing agencies list has 4,721 businesses, 3,545 of them with a business email. Each record has the business name, phone, address, website and Google rating. One-time $19 USD — download Excel and CSV right after checkout, no subscription.
Dryden (4) · Fonthill (4) · Hanmer (4) · Kapuskasing (4) · Kenora (4) · Port Perry (4) · Prince Edward (4) · Stittsville (4) · York (4) · Bloomfield (3) · Bradford West Gwillimbury (3) · Chelmsford (3) · Elliot Lake (3) · Gormley (3) · Guelph/Eramosa (3) · Innerkip (3) · Innisfil Beach (3) · Lincoln (3) · Listowel (3) · Minden (3) · Nobleton (3) · Picton (3) · Schomberg (3) · St. Jacobs (3) · Stirling (3) · Stouffville (3) · Binbrook (2) · Brant (2) · Centre Wellington (2) · Courtice (2) · Dunnville (2) · East Gwillimbury (2) · Georgina (2) · Kawartha Lakes (2) · Mallorytown (2) · Mount Albert (2) · Oro-Medonte (2) · Pelham (2) · Petrolia (2) · Quinte West (2) · Rockwood (2) · Schumacher (2) · Thamesford (2) · Trenton (2) · Alfred (1) · Alvinston (1) · Ameliasburgh (1) · Amherstburg (1) · Angus (1) · Arnprior (1) · Ayr (1) · Baltimore (1) · Bancroft (1) · Barry's Bay (1) · Beaverton (1) · Belle River (1) · Blenheim (1) · Breslau (1) · Brighton (1) · Buckhorn (1) · Caledon Village (1) · Caledonia (1) · Calgary (1) · Campbellford (1) · Carleton Place (1) · Cayuga (1) · Central Manitoulin (1) · Chalk River (1) · Chatham-Kent (1) · Chesley (1) · Churchill (1) · Consecon (1) · Cookstown (1) · Crystal Beach (1) · Cutler (1) · Deep River (1) · Durham (1) · Elgin County (1) · Erin (1) · Essex (1) · Gilmour (1) · Glanbrook (1) · Gore Bay (1) · Grand Valley (1) · Greely (1) · Halton Hills (1) · Hammonds Plains (1) · Harrowsmith (1) · Haydon (1) · Ingersoll (1) · Kingsville (1) · Komoka (1) · L0s10 (1) · LaSalle (1) · Manotick (1) · McDougall (1) · Meaford (1) · Midhurst (1) · Millbrook (1) · Milverton (1) · Minden Hills (1) · Minesing (1) · Mississippi Mills (1) · Montreal (1) · Mount Hope (1) · Mount Pleasant (1) · Norfolk (1) · Ohsweken (1) · On L8p 4v0 (1) · Ontario (1) · Orono (1) · Palgrave (1) · Parkhill (1) · Penetanguishene (1) · Port McNicoll (1) · Puslinch (1) · Renfrew (1) · Ridgeway (1) · Rockland (1) · Roslin (1) · Ruthven (1) · Saint John (1) · Scotland (1) · Seaforth (1) · Seagrave (1) · Severn Bridge (1) · Smiths Falls (1) · South Frontenac (1) · South Stormont (1) · St Marys (1) · Stayner (1) · Sturgeon Falls (1) · Tecumseh (1) · Tilbury (1) · Utterson (1) · Victoria (1) · Virgil (1) · Walkerton (1) · Wallaceburg (1) · Warkworth (1) · Wellesley (1) · West Lorne (1) · West Mountain (1) · Whitefish (1) · Wyoming (1)
These are included in the Ontario bundle above.
This dataset covers the full geographic depth of the province and includes verified contact information for agencies of all sizes. Download the complete Ontario bundle for $19 — a fraction of the cost to buy city lists separately.
The 10 cities with the most marketing agencies hold 2,139 of the 4,721 in Ontario (45%). Toronto has the most, 704, followed by Mississauga (289) and Ottawa (265). Among them, Toronto has the largest share with an email address (92% of 704), Markham the smallest (71% of 135).
| City | Businesses | With email | Email share | Avg rating |
|---|---|---|---|---|
| Toronto | 704 | 650 | 92% | 4.7 |
| Mississauga | 289 | 252 | 87% | 4.3 |
| Ottawa | 265 | 217 | 82% | 4.7 |
| Brampton | 148 | 126 | 85% | 4.5 |
| Hamilton | 141 | 106 | 75% | 3.9 |
| Markham | 135 | 96 | 71% | 3.5 |
| London | 132 | 105 | 80% | 4.9 |
| Oakville | 126 | 105 | 83% | 4.4 |
| Richmond Hill | 106 | 84 | 79% | 4.4 |
| Burlington | 93 | 81 | 87% | 4.8 |
2,036 of the 4,721 marketing agencies in Ontario have a Google rating; 2,685 have none yet. Of those, 1,371 are rated 4.5 or higher, 68 between 4.0 and 4.4, 37 between 3.0 and 3.9 and 560 below 3.0. 43 have 100 or more Google reviews.
| 4.5 and higher | 1,371 | 29% | |
| 4.0 – 4.4 | 68 | 1% | |
| 3.0 – 3.9 | 37 | 1% | |
| Below 3.0 | 560 | 12% | |
| No rating yet | 2,685 | 57% |
3,545 of the 4,721 have an email address we could verify. Of those, 827 are on the business's own domain and 2,718 on another domain, such as Gmail or Outlook. The other 1,176 have no verified email.
| Own-domain email | 827 | 18% | |
| Other email (Gmail, Outlook …) | 2,718 | 58% | |
| No email | 1,176 | 25% |
1,764 of the 4,721 list their opening hours on Google. Of those, 502 are open on Saturday or Sunday, 322 on Sunday and 197 around the clock.
| Hours listed | 1,764 | 37% | |
| Open at the weekend | 502 | 11% | |
| Open on Sunday | 322 | 7% | |
| Open 24 hours | 197 | 4% |
Google files these 2,002 marketing agencies under 33 categories. The most common are Marketing agency (1,126), Website designer (247), Internet marketing service (228), Advertising agency (191) and Marketing consultant (99).
| Marketing agency | 1,126 | 24% | |
| Website designer | 247 | 5% | |
| Internet marketing service | 228 | 5% | |
| Advertising agency | 191 | 4% | |
| Marketing consultant | 99 | 2% |
29% of Ontario's marketing agencies are rated 4.5 or higher, against 31% of the 11,170 across Canada. 75% have an email address we could verify, against 71% across Canada. 11% open at the weekend, against 11% across Canada.
| Rated 4.5+ — Ontario | 1,371 | 29% | |
| Rated 4.5+ — Canada | 3,471 | 31% | |
| With email — Ontario | 3,545 | 75% | |
| With email — Canada | 7,977 | 71% |
The list includes agencies in Toronto, Ottawa, Mississauga, Oakville, Kingston, and every other municipality with active marketing firms. Instant CSV download—no delays.
You eliminate fragmentation, get better geographic reach for outreach campaigns, and save time managing multiple purchases.
This is a strong signal of professional, mid-market and enterprise-ready firms that are ideal targets for SaaS, white-label partnerships, and B2B sales outreach.
Yes. The CSV includes Google ratings, review counts, city/region, and contact details. You can sort and segment by city (Toronto, Ottawa, Mississauga, etc.), rating, or any field to build custom outreach lists and target high-performing agencies.
Data is refreshed quarterly. Every entry is verified before inclusion to ensure deliverability and accuracy.
Find a verified marketing agency near you. Get directions or visit their website directly — sorted by Google rating.
Start with the rating — look for a marketing agency holding 4.5 stars or higher with a healthy number of recent reviews, which signals consistent, current service. Confirm they're properly licensed and insured for the work you need, and read a few reviews to see how they handle problems, not just praise. The listings below are sorted by Google rating to make this easier.
Pricing varies widely by the scope of the job, materials, and how urgent the work is, so there's no single rate. The most reliable approach is to contact two or three marketing agencies directly for a quote on your specific situation. Use the "View on Google Maps" or "Visit Website" buttons on each listing to reach out.
Yes. Every listing is sourced from public Google Business Profile data — business name, rating, and review count — collected by our own crawl. We show only what's already public; we don't add or alter business details.
Click "View on Google Maps" to get directions, hours, and the business's public contact options, or "Visit Website" to reach them online. We don't publish private phone numbers or email addresses here — the business's own Google profile and website are the right place to get in touch.
Go to publicleads.com/your-business. You can remove your business or an email address, or fix your phone or email there; we email a confirmation link first, and nothing changes until it is used. For anything else, email support@publicleads.com.
Is your business on this list? Remove it or fix its phone or email. Not on it? Add your business.