Insights

Market Leadership Whistle demonstrates strong growth potential and a solid reputation in sales development and go-to-market services, supported by its record of helping clients raise over $2 billion and generating over $15 million in monthly pipeline, indicating ongoing demand for innovative sales enablement solutions.

Client Expansion Opportunities The company's recent acquisitions and partnerships, such as Fingertip and Untitled Group, showcase their active engagement in expanding service offerings and integrations, creating opportunities to pitch complementary marketing and sales tools to their clients.

Technology and Data Stack Whistle’s utilization of diverse tech tools like Google Display Network, Qlik, and Mautic presents an opening to offer advanced marketing automation, analytics, and CRM enhancements that can improve lead segmentation and nurturing for their clients.

Global Reach With a near 100-person team operating across multiple time zones and supporting international clients, there are significant opportunities to introduce multilingual or region-specific solutions, as well as scalable enterprise platforms.

Financial and Competitive Edge Whistle’s consistent revenue bracket coupled with their deep industry connections indicates they value innovative, growth-driven tools; offering advanced sales automation, pipeline management, or client engagement platforms could align well with their strategic objectives.

Whistle Tech Stack

Whistle uses 8 technology products and services including Google Display Network, Qlik, Travis CI, and more. Explore Whistle's tech stack below.

  • Google Display Network
    Advertising
  • Qlik
    Business Intelligence
  • Travis CI
    Continuous Integration
  • Headspace
    Health Platform
  • Mautic
    Marketing Automation
  • BambooHR
    Recruitment Marketing
  • X-Content-Type-Options
    Web & Portal Technology
  • Nginx
    Web Servers

Media & News

Whistle's Email Address Formats

Whistle uses at least 2 format(s):
Whistle Email FormatsExamplePercentage
First.Last@whistle.ltdJohn.Doe@whistle.ltd
80%
First@whistle.ltdJohn@whistle.ltd
15%
First.MiddleLast@whistle.ltdJohn.MichaelDoe@whistle.ltd
5%
First.Last@linktr.eeJohn.Doe@linktr.ee
87%
FirstLast@linktr.eeJohnDoe@linktr.ee
8%
First@linktr.eeJohn@linktr.ee
3%
FirstL@linktr.eeJohnD@linktr.ee
2%

Frequently Asked Questions

What is Whistle's official website and social media links?

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Whistle's official website is linktr.ee and has social profiles on LinkedIn.

What is Whistle's SIC code NAICS code?

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Whistle's SIC code is 8742 - Management Consulting Services NAICS code is 541613 - Marketing Consulting Services.

How many employees does Whistle have currently?

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As of December 2025, Whistle has approximately 100 employees across 5 continents, including AfricaAsiaNorth America. Key team members include Chief Executive Officer: D. Z.Coo And Co-Founder: Y. Z.Head Of Partnerships: C. W.. Explore Whistle's employee directory with LeadIQ.

What industry does Whistle belong to?

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Whistle operates in the Advertising Services industry.

What technology does Whistle use?

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Whistle's tech stack includes Google Display NetworkQlikTravis CIHeadspaceMauticBambooHRX-Content-Type-OptionsNginx.

What is Whistle's email format?

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Whistle's email format typically follows the pattern of First.Last@whistle.ltd. Find more Whistle email formats with LeadIQ.

When was Whistle founded?

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Whistle was founded in 2020.

Whistle

Advertising ServicesEngland, United Kingdom51-200 Employees

πŸš€ Whistle: Sales Development and Go To Market Services that support Global Growth 🌍

At Whistle, our mission is to fuel the success of fast-growing companies by giving them a competitive edge. Led by CEO David Zeff and COO Yonah Zeff, with a wealth of experience in SaaS sales and three successful tech exits, we have built a proven and trusted team of nearly 100 people that drives results in every timezone.

πŸ’° With our help, our customers have raised over $2Bn in funding and continue to generate a staggering $15M per month in pipeline sourced from Whistle's Appointment Setters. 

🌐 Our secret to success lies in our diverse and talented team. From visionary leaders to dedicated experts in Management, Operations, Data Research, Brand Marketing, Sales, and Sales Development, we work seamlessly to support companies from all over the world.

If you want to know more about how we can support your Go To Market strategy, hop over to our website. 

Ready to unlock opportunities for your business? Let's go!

Section iconCompany Overview

Website
linktr.ee
SIC Code
8742 - Management Consulting Services
NAICS Code
541613 - Marketing Consulting Services
Founded
2020
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    Whistle's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Whistle's revenue is estimated to be in the range of $10M$25M

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