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Sales Development Agency

Whistle is a global SDR agency empowering fast-growing companies with operations, teams and strategies to generate sales opportunities.

  • Min project size
    $5,000+
  • Hourly rate
    < $25 / hr
  • Employees
    50 - 249
  • Locations
    Tel Aviv-Yafo, Israel
  • Year founded
    Founded 2018

Overview by:

Reviewer avatar
David Zeff

1 Locations

  • Tel Aviv-Yafo , Israel

Select Focus Area
Industries
Advertising & marketing
20%
Business services
20%
Financial services
20%
Manufacturing
20%
Other industries
20%
Clients
Midmarket ($10M - $1B)
50%
Enterprise (>$1B)
25%
Small Business (<$10M)
25%

Pricing Snapshot

Min. project size $5,000+
Avg. hourly rate < $25 /hr
Rating for cost 4.8 /5

What Clients Have Said

Whistle is praised for its good value for cost across various projects, fitting client budgets while delivering professional services. Most clients highlight the effectiveness of their strategies and timely delivery, contributing to increased sales-qualified leads and overall project success.

This summary is based on verified Clutch reviews.

Most Common Project Size

< $10,000 based on 7 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Highly Rated Similar Providers

Whistle Review Insights

Overall Review Rating

4.9
  • Quality 4.9
  • Schedule 4.9
  • Cost 4.8
  • Willing to Refer 4.9

Top Mentions

Review Highlights

  • Room for Improvement in Reporting

    One client suggested improvements in communication and reporting processes, including clearer updates on project metrics and more transparent pricing structures for better decision-making.

  • High Client Satisfaction

    Clients express high satisfaction with Whistle's services, often noting no areas for improvement. Their commitment to client success and ability to meet or exceed expectations are frequently emphasized.

  • Effective Lead Generation

    Whistle consistently generates qualified leads and books meetings, leading to increased sales and conversion rates for clients. Many reviews highlight their success in setting up discovery meetings and increasing sales-qualified leads.

  • Strong Project Management

    Clients praise Whistle for their timely project delivery and effective communication. Their agile approach and ability to meet deadlines consistently are noted as key strengths, fostering confidence in their service delivery.

  • Professional and Courteous Team

    The professionalism, courtesy, and dedication of Whistle's team are frequently highlighted. Clients appreciate their hardworking nature and commitment to exceeding expectations, contributing to successful project outcomes.

  • Effective Communication and Reporting

    Whistle is recognized for maintaining effective communication and providing regular updates. This ensures clients are informed and aligned with the project's objectives, contributing to a seamless workflow.

Whistle Reviews

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Services
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Industry
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Sales Outreach for Real Estate Software Firm

  • Content Marketing Email Marketing SMS Marketing
  • $10,000 to $49,999
  • Oct. 2022 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Whistle meets all of our deadlines and are successful at booking qualified meetings."

May 13, 2024
Sales, Real Estate Software Firm
Sindy Tiberi
Verified
  • Other industries
  • Israel
  • 11-50 Employees
  • Online Review
  • Verified

Whistle provides sales outreach services for a real estate software firm. Their tasks include compiling lists of interested prospects and reaching out to them through personalized email and SMS campaigns.

Lead Generation for Consulting Firm

  • Sales Outsourcing
  • B2B Appointment Setting B2B Lead Qualification
  • $10,000 to $49,999
  • Apr. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their services are optimized for maximum effectiveness and efficiency."

May 9, 2024
Business Development Representative, Panna Ventures
Mark Eagar
Verified
  • Other industries
  • Montreal, Quebec
  • 11-50 Employees
  • Online Review
  • Verified

A consulting firm has hired Whistle to develop a robust lead qualification process that would ensure quality leads are passed onto their the sales team. The client's goal is to maximize conversions and ROI.

Lead Generation for Software Development Company

  • Email Marketing Sales Outsourcing
  • B2B Appointment Setting B2B Lead Generation B2B Lead Qualification
  • Confidential
  • Nov. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their strategy is entirely centered around us—our objectives, our target audience, and our industry dynamics."

Oct 4, 2023
Sales Development Representative, Dot Compliance
Bianca Moni
Verified
  • Other industries
  • Phoenix, Arizona
  • 51-200 Employees
  • Online Review
  • Verified

Whistle provides lead generation services for a software development company. The goal is to attract top-tier leads.

Marketing Strategy for Data Management Company

  • Email Marketing Marketing Strategy Sales Outsourcing
  • B2B Appointment Setting B2B Lead Generation B2B Lead Qualification
  • Confidential
  • July 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their consistent communication of updates has ensured alignment with the project's objectives."

Sep 11, 2023
Business Development Specialist, Insait
Dvir Ginzburg
Verified
  • Other industries
  • Tel Aviv, Israel
  • 11-50 Employees
  • Online Review
  • Verified

Whistle has created a marketing strategy for a data management company. The strategy encompasses messaging and channel selection with the goal of increasing the client's leads and engage their target audience.

Digital Marketing for Digital Marketing Agency

  • Email Marketing Sales Outsourcing
  • B2B Appointment Setting B2B Lead Generation B2B Lead Qualification
  • Confidential
  • Oct. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their friendliness and professionalism are commendable."

Aug 28, 2023
Business Development Specialist, Mayple
Robert Froli
Verified
  • Advertising & marketing
  • Kingston, New York
  • 51-200 Employees
  • Online Review
  • Verified

Whistle provides digital marketing support for a digital marketing agency. Their work includes creating outreach templates and developing personalized email campaigns and phone scripts.

Email Marketing for Software Company

  • Email Marketing Sales Outsourcing
  • B2B Appointment Setting B2B Lead Generation B2B Lead Qualification
  • Confidential
  • Nov. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I'm impressed by their time management and ability to meet deadlines."

Aug 22, 2023
Sales Specialist, Vcita
Tori Fincher
Verified
  • Other industries
  • Bellevue, Washington
  • 201-500 Employees
  • Online Review
  • Verified

Whistle handles a software company's email marketing initiatives. Their work includes optimizing the client's go-to-market strategy, managing campaigns, and handling sales outreach management.

Lead Generation for Cybersecurity Firm

  • Email Marketing Sales Outsourcing
  • B2B Appointment Setting B2B Lead Generation
  • Confidential
  • June 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They went out of their way to go that bit extra, all to ensure we can have the maximum potential for success."

Aug 16, 2023
Cyber Intelligence Analyst, Entro Security
Katia Teixeira
Verified
  • Other industries
  • Tel Aviv, Israel
  • 11-50 Employees
  • Online Review
  • Verified

Whistle has provided lead generation services for a cybersecurity firm. They have managed the client's inbound lead generation efforts that aligned with the target audience and industry.

Custom Software Development for Marketing Consulting Firm

  • CRM Consulting and SI
  • Other CRM focus Sales automation
  • Less than $10,000
  • Feb. - Mar. 2023
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The project was delivered extremely quickly."

Aug 14, 2023
Founder, Yahid Consulting
David Yahid
Verified
  • Advertising & marketing
  • Sheridan, Wyoming
  • 1-10 Employees
  • Online Review
  • Verified

Whistle was hired by a marketing consulting firm to implement a new CRM system for an end client. Their work involved implementing HubSpot improvements.

Content Creation for Business Consulting Company

  • Content Marketing
  • Confidential
  • Apr. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

''They successfully captured the essence of our brand and delivered compelling copy.''

Aug 4, 2023
Content Manager
Lauren Daniels
Verified
  • Information technology
  • London, England
  • 51-200 Employees
  • Online Review
  • Verified

A business consulting company has hired Whistle for content creation. They've assigned a content writer that's able to execute the client's brand vision and requirements and enhance their marketing initiatives.

Lead Generation for Digital Marketing Agency

  • Email Marketing Marketing Strategy Sales Outsourcing
  • B2B Appointment Setting B2B Lead Qualification
  • Confidential
  • Apr. 2023 - Ongoing
4.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
4.5

"Their ability to meet deadlines under pressure while still delivering high-value outcomes is impressive."

Aug 1, 2023
Digital Marketing Specialist, Brand Chemistry
Lana Jooste
  • Advertising & marketing
  • Sydney, Australia
  • 11-50 Employees
  • Online Review

Whistle helps a digital marketing agency with their lead generation efforts, which include creating targeted marketing campaigns, optimizing the client's CRM system, and booking meetings with prospects.

Showing 11-20 of 20 Reviews

Our Story

Whistle connects people, to create opportunities.

Here is what makes us unique:

  1. Experienced, skilled, hungry SDRs - matched to best suit our clients' needs.

  2. SDR placement within 5 days, so clients see ROI in record time.
  3. Best Tech Stack & Outreach processes based on success with 300+ Companies.

Our core values:

We win together.
We work with people we like and trust.
We look for the simplest solution first.
We own our desk.
We have each other’s backs.
We have a growth mindset.
We enjoy what we do.

Meet the Team

Yonah Zeff

Yonah ZeffCOO

COO and Co-Founder of Whistle Sales Development Agency - Helping Sales and Marketing Leaders generate more Meetings and more Revenue with Remote SDR’s

David Zeff

David ZeffCEO

Over 10 years of selling technology to hundreds of SMB and Enterprise companies across multiple sectors, sales. I've been a part of 3 exits - one as a founder and two as a founding sales lead.

Locations (1)

Ovadya mi-Bartenura Street Tel Aviv-YafoIsrael

2 - 5

Contact Whistle

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