Costello
Indianapolis, Indiana, United States
Team · 2020
2
Founded
2016
Costello Team Size (2022)
Exciting News! You may have heard that Costello recently became part of SalesLoft, the #1 sales engagement platform. To learn more about Opportunity
Last updated
Founder / CEO
Frank Dal
CEO
Costello Employees & Team Size
Costello employs approximately 2 people as of 2026, down from 14 in 2019, including 5 sales reps that carry a quota.
| Year | Milestone | Source |
|---|---|---|
| 2020 | Reached 2 employees (December 2020) | Not recorded |
| 2020 | Reached 51 employees (August 2020) | Not recorded |
| 2020 | Reached 1 employees (June 2020) | Not recorded |
| 2019 | Reached 14 employees (December 2019) | Not recorded |
Frequently Asked Questions about Costello
Who owns Costello?
Costello is owned by Salesloft, which acquired it.
Who founded Costello?
Costello was founded by Frank Dal.
When was Costello founded?
Costello was founded in 2016.
How many employees does Costello have?
As of 2020, Costello had 2 employees.
Where is Costello headquartered?
Costello is headquartered in Indianapolis, Indiana, United States.
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Data and Sources
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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