Privacy Policy

STACKO.io Data Privacy Policy

This Privacy Policy outlines the methods and purposes for which Stacko.io collects, uses, verifies, and compiles data. Its primary objective is to support marketing Stacko.io’s products and services and address clients’ data needs. The policy covers data such as mailing addresses, email addresses, phone numbers, and interactions via online platforms, including visitors to Stacko.io’s website. However, it excludes the practices and activities of third parties. As a marketing service provider, Stacko.io helps clients connect with their target audiences, which may include individuals or businesses.

Stacko.io does not collect, store, or utilize sensitive information like Social Security numbers, EINs, credit card details, banking information, or biometric data. To maintain data security, Stacko.io employs rigorous corporate security protocols designed to meet customer security standards. The data collected pertains exclusively to businesses, and no consumer data is processed. The business-related data is critical for our customers, enabling them to make informed decisions and refine their marketing strategies. Our global database may include information considered "personal" under various regulations, such as details about individuals, sole proprietors, company executives, trustees, or professionals. This Privacy Policy explains how we collect, use, share, and protect B2B data. Our compliance team ensures adherence to evolving data regulations and communicates any updates to data subjects. Additionally, this policy applies to the Stacko.io website: www.stacko.io .

Data-Driven Services

Stacko.io provides a suite of data-centric marketing services to help clients optimize their targeting efforts. This includes business contact details, mailing addresses, phone numbers, email addresses, demographics, analytics, intent data, technographics, and customized criteria that may include Personally Identifiable Information (PII). The data is sourced from public platforms, in-house compilation teams, researchers, and AI-driven tools, and it undergoes verification processes. The information delivered to clients may include:

• Name
• Job title
• Email address
• Phone number
• Business address
• Website
• Industry
• SIC Code
• Revenue
• Employee size
• Technographics

This data is often used to clean and enhance clients’ existing databases. Stacko.io does not collect, process, or handle transactional data such as credit card or banking information.

Purpose of Data Collection

Stacko.io collects professional business data to provide organizations with accurate commercial information about other businesses. This data is licensed or sold to support marketing initiatives and data management purposes.

Data Use and Sharing

The collected data is licensed to businesses for B2B marketing activities, including prospecting and in-house data management. Stacko.io may also use business contact data to enhance it through matching with other public or private sources, creating anonymized data segments (non-identifiable demographic, behavioral, or technographic insights). These segments do not reveal PII.

Collection and Use of Personal Information

Personal data may be collected during events such as:

• Marketing campaigns
• Webinars
• Conferences or exhibitions
• Online training sessions
• Resource or white paper downloads
• Engagements with landing pages

The data is used to:


• Assist marketers in targeting and optimizing email and social campaigns.
• Develop data segments based on shared interests or technographics.
• Facilitate B2B targeting for clients’ products and services.
• Execute customized campaigns for both Stacko.io’s prospects and clients’ prospects under legitimate interest principles.

Data Security

Stacko.io is committed to safeguarding all collected, stored, and transmitted data. To this end, various security measures are implemented, including:

• Controlled access to sensitive information
• Security firewalls
• System-wide SIEM deployment
• Data encryption and hashing techniques
• Endpoint security, backup, and recovery systems
• Anti-malware, anti-virus, and anti-phishing software
• SSL certifications and web security
• Background checks for employees
• Regular data security training and a dedicated security module for new hires
• Continuous evaluation and refinement of security policies and practices

While every effort is made to secure data, no platform can offer absolute protection against unauthorized access. This Privacy Policy acknowledges the potential for unforeseen breaches. Once customer or prospect data is received, Stacko.io ensures its confidentiality and protection to the highest standards.