Companies that use Instantly
36 companies use Instantly, as of October 2026.
Instantly: Cold email outreach. We've found 36 companies using Instantly, most often in B2B (14%) and Engineering, Product and Design (11%), typically with 1–10 employees and 81% based in United States.
Customers36companies use it
Most popular withB2B93× more likely than average
Typical customer1–10employees · mostly United States
- Boost Clinical Trial Enrollment - HealthKeygethealthkey.comHealthcare IT · United States1–10 employeesSeen Oct 2026
- Phenom Force LLCphenomforce.comHealth, Wellness and Fitness · United States
Instantly customers also use
How much more likely Instantly customers are to use each tool than the average company.
WarmlySales & CRM186×more likely
beehiivMarketing155×more likely
AshbyPeople & HR75×more likely
RB2BSales & CRM72×more likely
OneleetSecurity & Compliance52×more likely
ClerkAuth & Identity44×more likely
Apollo.ioSales & CRM30×more likely
CalendlySales & CRM16×more likely
RipplingPeople & HR15×more likely
MixpanelAnalytics11×more likely
IntercomSupport & Docs10.0×more likely
VercelHosting & Cloud5.1×more likely
What kind of companies use Instantly
Segments where Instantly customers are more common than among all the companies we track.
- B2B14% of customers93×more likely
- 1–10 employees62% of customers11×more likely
- 11–50 employees32% of customers1.8×more likely
Industry
Company size
Country
Alternatives to Instantly
Other tools in the same category, by how many companies use them.