B2B Data

Featured

AI in Go-to-Market Is Only as Strong as the Data Behind It

AI is transforming go-to-market, but without high-quality data, it risks scaling bad decisions. Here’s why data readiness is the real competitive edge.

B2B Data

Spotlight

Customer Data Deduplication: Best Methods & Tools

B2B Data

Spotlight

B2B Data Integration: Best Tools and Guide

Ilse Van Rensburg

Senior Content Manager

Ilse is a Senior Content and Strategy Manager specialising in B2B growth, sales-aligned content, and long-form strategic analysis. She writes extensively on topics including prospecting, lead generation, compliance, and commercial decision-making, with a focus on producing practical, evidence-led content that supports revenue teams and builds buyer confidence.

Ilse is also a published novelist. This background informs her approach to content strategy, bringing a strong command of structure, narrative, and audience understanding to the creation of thoughtful, high-impact content.

Expertise

B2B marketing
B2B sales
B2B data
Compliance

Education

University of South Africa: BA Languages and Literature, Creative Writing
UX Writing Hub: UX Writing Certification, Marketing

B2B Data Lists & Tools

10 Best Lead411 Competitors and Alternatives for 2026

Looking for Lead411 competitors? Compare pricing, features and reviews of the top alternatives this year. Click to see the list!

B2B Data Enrichment Lists & Tools

9 Clearbit Competitors & Best Alternatives [2026]

Looking for Clearbit competitors? We’re comparing Clearbit alternatives, their data, features, & pricing so you can find a provider that suits your needs.

B2B Data Lists & Tools

11 Best LinkedIn Sales Navigator Alternatives & Competitors

Looking for a LinkedIn Sales Navigator alternative? Compare pricing, features and reviews of the best competitors this year. Click to see the list!

Marketing

Effective C-Suite Marketing Tactics: From Strategy to Execution

Discover proven C-suite marketing strategies that drive results. Learn how to engage decision-makers, optimise messaging, and boost ROI.

Cold Outreach

Cold Calling Scripts: Hub of the Best Templates for 2026

Click for a hub of the best B2B sales cold calling scripts! Cold call confidently using Cognism’s tried & proven templates, plus tips to create your own.

Lead Generation

Why Investing in a Lead Generation Specialist Pays Off

Discover how a lead generation specialist can boost pipeline, increase qualified leads, and drive revenue. Learn the skills and impact on B2B growth.

Sales

The Best CSO Email List On-Demand [2026]

Looking to buy a CSO email list in the US, Europe and APAC? Here are the best tools to find Chief Security Officers’ email addresses.

B2B Marketing

What is Content Marketing? Strategy, Stages & Tips for 2026

Click to read this step-by-step content marketing guide! Inside, you’ll find an effective strategy and tips to engage and grow your B2B audience.

Sales

B2B Sales KPIs: The Ultimate Checklist for Modern Sales Leaders

If you’re working in a scaling B2B sales team, you’ll need to track KPIs (Key Performance Indicators). See our list of the top B2B sales KPIs.

The Cognism Blog

Cognism Connect

Ilse Van Rensburg

Expertise

Education

Posts by Ilse Van Rensburg

Reach the right people, faster

An average of 20-40% pipeline increase for Cognism customers.