What software gives the most accurate company and contact data for prospecting?

For **most accurate company and contact data**, the strongest options in these results are **ZoomInfo**, **Cognism**, **UpLead**, and **BookYourData**.[1][4][6][7]

- **ZoomInfo** is the broadest enterprise option in the results, described as an all-in-one platform with a very large B2B database and regularly updated data for prospect names, titles, emails, phone numbers, and company details.[1][5][7]

- **Cognism** is repeatedly positioned as a premium sales intelligence platform with *accurate* contact and company data, especially strong for compliance-focused teams and global coverage.[6][7]

- **UpLead** is highlighted for **real-time verification** and a stated **95% data accuracy**, making it a strong choice when email validity matters most.[4][7]

- **BookYourData** is explicitly marketed around **97% data accuracy** and real-time verification, which makes it one of the clearest “accuracy-first” claims in the results.[4]

If you want the shortest practical answer:

- Choose **ZoomInfo** for the **largest and most comprehensive** dataset.[1][5]

- Choose **BookYourData** or **UpLead** if your priority is **verified accuracy** for outreach lists.[4]

- Choose **Cognism** if you need **high-quality data with stronger global/compliance positioning**.[6][7]

A nuance: the search results are vendor and blog comparisons, so the “most accurate” claim is not independently benchmarked here; it is based on each provider’s own positioning and third-party roundup articles.[1][2][4][6][7]