In my opinion, lead enrichment tools are most valuable for improving lead quality, because the core purpose of these tools is to enhance basic lead data with additional, relevant information such as company size, job role, industry, behavior signals, and intent data. This enriched context helps sales and marketing teams better identify high-potential prospects and prioritize leads that are more likely to convert. While personalization of outreach, higher conversion rates, and faster decision-making are important benefits, they all depend on having accurate and complete lead information in the first place. Therefore, better lead quality acts as the foundation for more effective targeting, stronger engagement, and improved overall sales performance.