London, Ontario has 49 verified marketing agencies generating an average 4.93-star rating across 1,459 Google reviews. These agencies span full-service strategy, paid media, SEO, content, and design — all accessible via instant CSV download with verified phone, email, and web data.
Five rows from the full 132-row dataset, sorted by rating & review count. The complete CSV includes phone, full street address, postal code, website URL, Google rating, review count, email type (corporate vs webmail), and the parent domain.
| Name | Rating | Reviews | |
|---|---|---|---|
| Foundery | ★ 5.0 | 62 | — |
| Canadian Development Technology | ★ 5.0 | 43 | info@cdtechnology.ca |
| Storybox Studio | ★ 5.0 | 37 | sales@storyboxhq.ca |
| Momentum360 Marketing | ★ 5.0 | 32 | info@momentum360.ca |
| Red Bird Digital Marketing | ★ 5.0 | 31 | admin@redbirddigital.co |
London's marketing agency market is exceptionally well-reviewed: all 49 agencies maintain 4.5-star ratings or higher, with SpeedPro London leading at 5.0 stars and 382 reviews. Nearly 40% of London agencies use corporate email addresses (info@, contact@, hello@), making direct B2B outreach faster and more reliable than relying on Gmail and Outlook contacts.
Sell HubSpot, Semrush, Ahrefs, Mailchimp, ClickUp, or Monday.com to London marketing agencies. With 39% using corporate domains and an average of 30 reviews per agency, you're reaching decision-makers at established, review-rich firms primed to adopt agency-focused tools.
Partner with London's top-rated agencies to resell your design, SEO, content, video, or development services. All 49 agencies are 4.5-star or better — a sign of strong demand for subcontracted, scalable work to fuel client growth.
Use this verified list to pitch cold-email sequences, B2B contact databases, or partnership networks directly to London marketing agencies. High ratings and consistent Google activity signal agencies actively seeking new client acquisition channels and vendor partnerships.
There are 49 verified marketing agencies in London, Ontario. All maintain 4.5-star Google ratings or higher, with an average of 4.93 stars across 1,459 total reviews. SpeedPro London is the highest-reviewed agency with 382 customer reviews and a perfect 5.0 rating.
Each record includes verified phone numbers, website URLs, physical addresses, and both corporate email addresses and secondary contacts where available. 39% of London marketing agencies use professional corporate emails (info@, contact@, hello@), ensuring your outreach reaches the right inbox first time.
Yes. The CSV includes agency names, ratings, review counts, and web presence data, allowing you to segment by reputation, customer feedback volume, or specialization. Agencies with 30+ reviews average higher engagement and established client bases.
Our verified agency list is refreshed monthly to capture new businesses, updated contact details, and the latest Google ratings and review counts. You'll always have London's current marketing agency landscape at your fingertips.
The top performers include SpeedPro London (382 reviews, 5.0★), ZOO Media Group Inc. (83 reviews, 5.0★), and Foundery (63 reviews, 5.0★). All five top-ranked agencies maintain perfect 5.0-star ratings, indicating consistent client satisfaction and service quality.
Import the CSV into your email, CRM, or cold-outreach platform and segment by rating, review volume, or contact type. Focus on corporate email addresses first for faster reply rates; use phone numbers as a secondary touchpoint to reach decision-makers directly.
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 — and refreshed monthly so closed or relocated businesses drop off. 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.
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