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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

No have been added yet...

    Pricing Snapshot

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

    What Clients Have Said

    Whistle offers good value for cost, with clients praising their pricing alignment with budgets. They typically work with small teams (2-10 employees) and deliver timely, high-quality outcomes, enhancing lead generation and sales efficiency without significant investment in in-house resources.

    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

    • Wide Range of Capabilities

      Whistle offers a diverse set of services, from outbound marketing to CRM implementation and content creation. Clients appreciate their ability to handle various aspects of marketing and sales processes efficiently.

    • Effective Project Management

      Clients praise Whistle for their timely delivery and ability to meet deadlines. Their project management approach is agile, responsive, and adaptable, ensuring alignment with client goals and maintaining a smooth workflow.

    • Professional and Knowledgeable Team

      Whistle's team is often described as professional, knowledgeable, and capable of exceeding client expectations. Their ability to understand industry-specific needs and deliver tailored solutions is frequently highlighted.

    • Some Communication and Reporting Improvements Needed

      One client suggested that clearer and more frequent updates on project progress and performance metrics would be beneficial, along with more transparent pricing structures to aid in decision-making.

    • Great Culture Fit and Value for Cost

      Many clients selected Whistle due to their alignment with company values, budget-friendly pricing, and cultural fit. This alignment has contributed to positive working relationships and successful project outcomes.

    • Impressive Client Support and Communication

      Clients appreciate Whistle's commitment to providing exceptional support and maintaining open lines of communication. They are noted for being responsive, proactive, and accommodating to client needs.

    Whistle Reviews

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    Services
    Project cost

    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
    • $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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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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