Business Leads in Markham
There are 16,732 businesses in Markham as of March 13, 2026. Concentrated within a single metro area, this represents a high-density opportunity for hyper-local B2B campaigns and direct outreach to decision-makers.
Markham accounts for approximately 1.8% of all 907,827 businesses in Ontario, making it a focused local market with a well-defined prospect base ideal for precision outreach.
Around 40.3% of businesses in Markham have email addresses, 87.8% have phone numbers, and 38.6% include both — with 69.7% also having a website.
These businesses are active on social media: 4,304 have Facebook pages, 4,010 are on Instagram, 2,437 have LinkedIn profiles, 2,030 use X (formerly Twitter), 2,240 maintain YouTube channels. Over 10,812 businesses have been rated by real users, making this dataset a strong fit for local reputation management and review-based outreach. This dataset is best suited for hyperlocal outreach in Markham.
| 16732 Number of Businesses | |
| 6749 Email addresses | |
| 14696 Phone numbers | |
| 11663 With Websites | |
| 2437 LinkedIn Profiles |
| 4304 Facebook Profiles | |
| 4010 Instagram Handles | |
| 2030 X Handles | |
| 2240 YouTube Channels | |
| 6456 Phone and Email |
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Data updated on March 13, 2026
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Download sample business list in Markham
Find new clients and close more deals with the world s best business leads provider. You can download email and phone number lists for your sales teams. Here is a random sample of 0 records for you to look at the fields and the data that we provide.
| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
How many businesses are there in the Markham?
businesses in the Markham
Last updated: March 13, 2026
In Markham, approximately 40.3% of businesses have email contacts, while 87.8% have phone numbers, enabling direct, personalized outreach to decision-makers in this metro area.
Data last updated March 13, 2026
87.8%
14,696 businesses in Markham with Phone Number
40.3%
6,749 businesses in Markham with Email Address
38.6%
6,456 businesses in Markham with Phone and Email
Contact completeness is solid across Markham's business records dataset: a meaningful share of records carry both phone and email, supporting direct and digital outreach in parallel.
Top Business Categories in Markham
Most Popular Business Categories in Markham
Category | Businesses |
|---|---|
How to Use the Business leads in Markham
Markham is a high-density local market — every record is within a single metro area. Here's how businesses, agencies, and sales teams are putting this data to work.
Direct Sales Outreach in Markham
Every record in this dataset is a businesses business verified within Markham — no filtering needed. 87.8% have phone numbers on record, so load it directly into your CRM or dialer and start reaching decision-makers the same day, without spending time on list cleanup or geographic deduplication.
City-Focused Email & Phone Campaigns
Markham's tight geographic footprint makes it ideal for high-relevance outreach. With 40.3% of businesses having email addresses on record, every contact is in the same metro — so your messaging stays sharp and your reply rates stay high.
Local Ad Audience Building
69.7% of businesses in Markham have a listed website, making them easy to track and target online. Use the dataset to build a custom audience on Facebook, Google, or LinkedIn — more precise than platform geo-targeting and far cheaper than broad local ad inventory.
Markham represents an emerging local market for businesses — manageable size, low competition, and a clear prospect base to build from.
Social Media Reach of businesses in Markham
businesses in Markham maintain an active social media presence, creating real opportunities for platform-specific outreach and local ad targeting.
Explore Related Businesses by Location
Around 69.7% of businesses in Markham have an active website, making this city a prime market for local SEO outreach and website-based lead capture.
Data last updated March 13, 2026
69.7%
11,663 businesses in Markham that have a website
30.3%
5,069 businesses in Markham that do not have a website
Download sales qualified leads in the Markham
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
Markham has 15,823 highly-rated businesses businesses, reflecting a quality-conscious local market where reputation drives purchasing decisions.
6,162
1-star rated businesses in Markham
3,078
2-star rated businesses in Markham
3,520
3-star rated businesses in Markham
5,011
4-star rated businesses in Markham
10,812
5-star rated businesses in Markham
Frequently Asked Questions
Answers of the most common questions about our dataset
How many businesses are there in Markham?
There are 16,732 businesses listed in Markham as of the latest update. This represents an active local market with significant B2B outreach potential.
How many businesses in Markham have email addresses?
6,749 businesses in Markham have verified email addresses, making this dataset a strong starting point for direct email campaigns and automated outreach sequences.
How many businesses in Markham have phone numbers?
14,696 businesses in Markham include phone numbers. 6,456 of those also have email addresses — ideal for multi-channel campaigns.
Can I use this data for local campaigns targeting businesses in Markham?
Yes. The dataset covers 16,732 businesses businesses in Markham, making it well-suited for hyper-local outreach, direct mail, and targeted digital ads within the area.
What information is included for each business in Markham?
Each record typically includes the business name, physical address, phone number, email, website URL, social media profiles (Facebook, Instagram, LinkedIn, X, YouTube), and star ratings where available.
How do I download the business dataset for Markham?
You can purchase the dataset directly from this page and download it instantly. A free sample is available to review the data format and quality before committing.
Still have questions? Feel free to reach out to our support team
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