We have built more than 5,300 mailing lists of Professionals from Private and Government organizations across various industries and functions and helped private firms, marketing agencies, startups and services’ firms to establish or expand their business.

We use major online resources including LinkedIn Sales Navigator, Apollo, ZoomInfo, Crunchbase, etc.

We have majorly built lists for Event Services firms helping them to find prospects for marketing their events – Conferences, Exhibitions, and Shows. We have worked with major players in Life sciences, Engineering, Hotel, Travel, and Information & Technology.

For all our lists we build using web sources, we comply as per the guidelines of GDPR for developing the above-mentioned mailing lists.

B2B Prospect List Building Using Apollo & Hunter

Our team is also specialized in building highly targeted B2B prospect lists using Apollo.io and Hunter.io.

We research companies based on specific industries, locations, employee size and business profiles, identify relevant decision-makers and key contacts, find and verify professional email addresses, remove duplicates, enrich prospect data, and deliver clean, structured lists ready for sales and marketing campaigns.

Clients Served:

• Event Services firms (Audience List Build using LinkedIn, Apollo and Hunter)
• Market Research firms
• Recruiting firms
• Linguistic Research firms
• Startups and independent marketing consultants.

As of December 2025, we have delivered 3.6 million leads.

To know more about our list-building services or view sample lists, please email us at contact@vr4uglobal.com