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Whistle Email Format
Advertising Services
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51-200 employees
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London, England, UK
Whistle is a B2B sales development agency headquartered in London that provides outsourced SDR teams and pipeline generation services to help growth-stage companies scale their outbound sales operations.
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first.last@whistle.ltd
Company Overview
Industry
Advertising Services
Founded
2020
Headquarters
London, England, UK
Revenue
$10M-$25M
FUNDING Stage
Private
Website
Key Executives
David Zeff (CEO), Cheryl Segon (Head of Finance), Yonah Zeff (COO)
Tech Stack
Key Executives
4.9/5 on G2
40K+ GTM professionals
SOC 2 Type II certified
Frequently Asked Questions
What is the email format of Whistle?
Whistle uses the first.last format, so Jane Smith would be jane.smith@whistle.ltd.
What core services does Whistle offer to B2B companies?
Whistle provides outsourced SDR services including pipeline generation, cold calling, cold email outreach, LinkedIn outreach, and RevOps for HubSpot, helping B2B companies across SaaS, cybersecurity, finance, and healthcare scale their sales development.
Who co-founded Whistle and when was the company started?
Whistle was co-founded in 2020 by brothers David Zeff and Yonah Zeff, who serve as CEO and COO respectively. Both brought over a decade of SaaS sales experience and three successful tech exits to the business.
How can I find and verify a specific Whistle contact's email address?
Since Whistle uses the first.last@whistle.ltd format, you can construct most addresses directly. Tools like Clay can help you verify the address and enrich contact details before you reach out.
Does Whistle serve early-stage startups as well as enterprise clients?
Yes, Whistle works across company sizes including early-stage, growth, and enterprise clients, offering flexible SDR models such as fully managed outsourced teams or the option to hire individual vetted SDRs directly.
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4.9 rating