Clay vs HubSpot: who uses which
Customers, public proof and the companies that use both.
On usedby, 48 companies use Clay and 51 use HubSpot. No company is listed with both yet. Clay leads among the Marketing Tech companies on usedby that use either tool.Latest check Oct 8, 2026: 95 of 99 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses Clay, HubSpot, or both
Every company with a public proof for at least one of the two tools.
48
use only Clay
0
companies use both
51
use only HubSpot
48 companies use only Clay, 51 use only HubSpot and 0 use both, out of the 99 companies on usedby that use at least one of them.
Where it lands
Newest customers
We have not started tracking changes for Clay yet.
Where it lands
Newest customers
No new customer since tracking started on October 5, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use Clay, HubSpot or both: a share of the companies on usedby, not of the market.
Clay onlyBothHubSpot only
More common with Clay
- Marketing Tech7 of the 9 Marketing Tech companies on usedby that use either tool use Clay.
- DevTools & Infrastructure5 of the 8 DevTools & Infrastructure companies on usedby that use either tool use Clay.
- Artificial Intelligence7 of the 7 Artificial Intelligence companies on usedby that use either tool use Clay.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
Clay
HubSpotWhat customers report
Results as the vendor or the customer published them, with the source and the date.
Clay
new reps were revenue-generating 6x faster than before Clay
Pump
Vendor case study, clay.com, captured Oct 5, 2026
a 15% increase in enterprise meetings booked
Merge
Vendor case study, clay.com, captured Oct 5, 2026
HubSpot
In the past financial year, Casio achieved a 54% increase in web visits, 71% increase in new contacts and 27% increase in customers.
Casio
Vendor case study, hubspot.com, captured Oct 5, 2026
the VIP Experience team has increased GoFundMe’s repeat and referral business by 180% in just nine months
GoFundMe
Vendor case study, hubspot.com, captured Oct 5, 2026
Questions about Clay and HubSpot
Which is used more, Clay or HubSpot?
HubSpot has more customers on usedby: 51 against 48 for Clay.
Do companies use both Clay and HubSpot?
usedby has not found a company with a confirmed or observed line on both Clay and HubSpot yet.
Who uses Clay?
48 companies on usedby, each with the public page that shows it. See who uses Clay.
Who uses HubSpot?
51 companies on usedby, each with the public page that shows it. See who uses HubSpot.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.