List of Marketing agencies in London
London, Ontario, has 294 marketing agencies in this dataset, last verified September 9, 2026. Among the 16 Ontario cities we track, it ranks 7th, between Markham (342) and Brampton (257). Local listings make up 2.8% of all marketing agencies in Ontario.
68 marketing agencies in London list both a phone number and an email address, the best starting point for multi-channel outreach. Email coverage of 25.2% is in line with the Ontario average (24.1%), and 86.7% of listings include a phone number.
69.7% of marketing agencies in London have a website (in line with 72.2% across Ontario), which leaves 89 local prospects for web design and Google Business Profile services. 78 of their websites list a contact page URL.
90% of the 135 rated marketing agencies in London hold a 5-star average, in line with the Ontario figure of 89%. The 2 rated 1 to 2 stars are the obvious first calls for a reputation management pitch.
Social Media Reach
52
56
44
16
YouTube
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Marketing agencies List in London
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| LOGO | Business Name | Address | City | State | Country | Phone | Website | Reviews | Rating | FB | IG | LI | YT | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Homefront Marketing | Address | London | Ontario | Canada | Email | Phone | — | 0 | 0 | — | — | — | — | |
 | Neighbourhood Shops | Address | London | Ontario | Canada | Email | Phone | 0 | 0 | — | — | — | — | ||
 | GRIP THE EDGE | Address | London | Ontario | Canada | Email | Phone | 15 | 5 | — | — | — | — | ||
 | The Marketing Mansion | Address | London | Ontario | Canada | Email | Phone | — | 0 | 0 | — | — | — | — | |
 | OmniTech | Address | London | Ontario | Canada | Email | Phone | — | 0 | 0 | — | — | — | — | |
 | Dark Horse Designs | Address | London | Ontario | Canada | Email | Phone | 8 | 5 | — | — | — | — | ||
 | Ekoz Marketing | Address | London | Ontario | Canada | Email | Phone | 6 | 5 | — | — | — | — | ||
Davis Marketing agency | Address | London | Ontario | Canada | Email | Phone | 0 | 0 | — | — | — | — | |||
 | Digital Global Ads | Address | London | Ontario | Canada | Email | Phone | 12 | 5 | — | — | — | — | ||
 | CurlingZone | Address | London | Ontario | Canada | Email | Phone | 17 | 3.6 | — | — | — | |||
Helllya Marketing Co | Address | London | Ontario | Canada | Email | Phone | 0 | 0 | — | — | — | — | |||
 | Let Us Scale | Address | London | Ontario | Canada | Email | Phone | 3 | 5 | — | — | — | — | ||
 | little small helper | Address | London | Ontario | Canada | Email | Phone | — | 1 | 5 | — | — | — | — | |
 | Locapon Deals App & Website | Address | London | Ontario | Canada | Email | Phone | 1 | 5 | — | |||||
JWA Group Inc. | Address | London | Ontario | Canada | Email | Phone | 2 | 5 | — | — | — | — |
This is a randomized preview — the full database contains 294 records with complete field coverage.
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294 verified records — emails, phones, social profiles and more. One-time payment, instant download.
Top business categories in London
Most popular business categories across London
Category | Marketing agencies |
|---|---|
What You Can Do with the List of Marketing agencies in London
This list is built for teams that sell to marketing agencies: B2B software vendors, white-label partners and managed IT providers. It covers 294 marketing agencies in London, with the fields to call, email, segment and map them.
Who Sells to Marketing agencies in London, Ontario
Each of these buyers can work the 294 businesses in this list as a pipeline for a different product:
- B2B software vendors: Pitch CRM, project management, proposal and invoicing tools to the 294 marketing agencies in London.
- White-label and outsourcing partners: Offer overflow or white-label work that firms can deliver under their own brand.
- Managed IT and office service providers: Sell IT support, business phones, backups and security to small offices.
Phone, Contact Form and Email Outreach in London, Ontario
Start with the 68 records that list both a phone number and an email address, then widen out channel by channel:
- Cold calling (255): 86.7% of records include a phone number for call campaigns, appointment setting and follow-ups.
- Website contact forms (78): businesses with a contact page URL give you another way in when no email is listed.
- Email sequences (74): 25.2% of records include an email address, enough to run a dedicated cold email campaign alongside calls.
- CRM import: CSV and Excel files load into HubSpot, Salesforce, Zoho or Pipedrive, with city, state and postal code columns for assigning leads to reps.
Prospect Segments for Agencies in London, Ontario
Filter the website, rating and social columns to pull the marketing agencies that fit a specific service before you pitch:
- No website listed (89): 30% of marketing agencies in London have no website on record, a direct prospect list for web designers and local SEO agencies.
- Rated 1 to 2 stars (2): businesses with poor Google ratings, prospects for reputation management and review generation services.
- No Facebook page (242): 82% have no Facebook page on record, an opening for social media management agencies.
Local Coverage Plan for London
With 294 marketing agencies in one city, local teams can work the list in person as well as by phone:
- Route planning: records include latitude and longitude, so field reps can map all 294 marketing agencies in London and plan visit days by neighborhood.
- Postal code patches: split London by postal code to divide accounts between reps or focus on specific parts of town.
- Next markets: the 15 other Ontario cities we track are the next step once London accounts are covered.
Data Coverage for Marketing agencies in London
294 records · verified September 9, 2026
- Phone numbers
- 255
- Email addresses
- 74
- Phone and email
- 68
- Websites
- 205
Google ratings· 135 rated (46%)
90% hold 5 stars
- 1-star rated
- 1
- 0.7% of rated
- 2-star rated
- 1
- 0.7% of rated
- 3-star rated
- 3
- 2.2% of rated
- 4-star rated
- 9
- 6.7% of rated
- 5-star rated
- 121
- 89.6% of rated
Social profiles:
- Instagram:56· 19%
- Facebook:52· 17.7%
- LinkedIn:44· 15%
- YouTube:16· 5.4%
- X (Twitter):15· 5.1%
Marketing agencies in London are a phone-first market: 86.7% list a phone number but only 25.2% publish an email. Among 135 rated marketing agencies, 90% hold 5 stars, a spread heavily skewed to the top, so low ratings stand out.
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Frequently asked questions about Marketing agencies in London, Ontario
Everything you need to know about our marketing agencies database for London, Ontario: data quality, coverage, freshness, pricing, and formats. Last updated September 9, 2026.
How many Marketing agencies are there in London, Ontario?
There are 294 marketing agencies in London, Ontario in our verified database, as of September 9, 2026.
This covers independent operators, regional chains, and enterprise-scale businesses, giving you the complete London market for sales prospecting and territory planning.
How up to date is the Marketing agencies data for London, Ontario?
This dataset was last updated in September 9, 2026.
Business contact data decays at roughly 2–3% per month as businesses close, move, or change details, so we re-verify our most-purchased datasets on a rolling basis.
Every file is also run through email verification before delivery, and past buyers are offered discounted refreshed versions as updates ship.
What fields are included in the Marketing agencies database for London, Ontario?
Each record can include: business name, full address, phone number, email address, website URL, social profiles (LinkedIn, Facebook, Instagram, YouTube, X), review ratings, and category details, plus contact-page URLs where available.
Field coverage varies by record; the counts below and the free sample show you exactly what to expect before buying.
Where can I buy verified market intelligence data for Marketing agencies businesses in London, Ontario?
InfiniteLeadsHub provides verified market intelligence datasets for marketing agencies businesses in London, Ontario as a one-time purchase with no subscription.
Ideal for market research, sales planning, and business development.
How much does the Marketing agencies database for London, Ontario cost?
The complete marketing agencies leads database for London, Ontario costs $10 as a one-time payment.
You get instant access to all 294 records with no recurring fees, no per-record charges, and no seat limits.
It is a cost-effective alternative to subscription platforms that charge monthly for the same public business data.
Is this a cheaper alternative to subscription lead databases like ZoomInfo or Apollo?
Yes. For teams that need marketing agencies contacts in London, Ontario specifically, a one-time $10 file is usually far cheaper than subscription platforms, which typically charge thousands of dollars per year with contracts and per-seat pricing.
Subscriptions make sense for large sales teams needing continuous multi-industry access; a one-time targeted list makes sense when you know exactly which niche and geography you're selling into.
Can I preview a sample of the Marketing agencies data before buying?
Yes. A free sample dataset is available so you can evaluate data quality, field coverage, and format before purchasing.
The sample is a representative slice of the full London, Ontario marketing agencies database, including contact fields, social profiles, and ratings data.
How do I download the Marketing agencies list, and what file formats are available?
You get instant access after purchase. Files are delivered in CSV and Excel (XLSX) formats.
CSV and Excel import directly into CRMs like Salesforce, HubSpot, and Zoho and into any email platform.
How many Marketing agencies in London, Ontario have phone numbers?
255 marketing agencies in London, Ontario (87% of the database) include a phone number.
That makes the dataset effective for cold calling, telemarketing, and appointment setting campaigns.
How many Marketing agencies in London, Ontario have email addresses?
74 marketing agencies in London, Ontario (25%) include an email address.
Email remains one of the highest-ROI B2B outreach channels, making this subset ideal for cold email sequences, product announcements, and drip campaigns.
How many Marketing agencies in London, Ontario have both a phone number and an email address?
68 marketing agencies in London, Ontario have both a phone number and an email address.
Dual-contact records enable multi-channel outreach: combining calls with email follow-ups measurably improves response rates.
How many Marketing agencies in London, Ontario are active on social media?
Social profile coverage for marketing agencies in London, Ontario: 44 on LinkedIn, 52 on Facebook, 56 on Instagram, 16 on YouTube, 15 on X (Twitter).
Social presence signals digitally engaged businesses, which is useful for agencies pitching social media services, ad platforms building audiences, and vendors targeting digitally mature prospects.
How many Marketing agencies in London, Ontario have a website?
205 marketing agencies in London, Ontario (70%) have an active business website.
That is an indicator of digital maturity, and an ideal segment for SEO agencies, hosting providers, and SaaS platforms.
How many Marketing agencies in London, Ontario do not have a website?
89 marketing agencies in London, Ontario operate without a business website.
These are high-intent, overlooked prospects for web design agencies, local SEO providers, and Google Business optimization services.
What are the review ratings of Marketing agencies in London, Ontario?
Rating breakdown for marketing agencies in London, Ontario: 121 with a 5-star rating, 9 with a 4-star rating, 3 with a 3-star rating, 1 with a 2-star rating, 1 with a 1-star rating.
Top-rated businesses suit premium services and partnership proposals; lower-rated businesses are receptive prospects for reputation management, review tools, and operational software.
Can I get Marketing agencies data for all of Ontario or the entire US?
Yes. Beyond London, we offer the complete Marketing agencies database for Ontario and a national all-50-states version.
If you buy the London list first, contact us and we'll credit your purchase toward the state or national upgrade.
Is the Marketing agencies contact data in London, Ontario legal to use for B2B outreach?
Yes. All data is sourced exclusively from publicly available information: Google Business listings, company websites, social media profiles, and public business directories.
This is business contact information, not personal consumer data, making it appropriate for B2B prospecting.
We recommend following applicable regulations such as CAN-SPAM (US), CASL (Canada), and GDPR (EU-targeted campaigns) so your outreach remains fully compliant.