There are dozens of CMP providers.
If you run advetsiting you will want to use one that is
IAB TCF2 compliant, and if you want to really implement this properly it's a ton of work.
We use
https://consentmanager.net/ other well-known services are
Marketing data and compliance is essential for your business. Cookie Information’s CMP makes it easy to collect valid user consent on your websites.
www.cookieinformation.com
Cookiebot is a powerful CMP that helps your website with GDPR compliance & ePrivacy regulations. Try Cookiebot to manage cookies & consent preferences today.
www.cookiebot.com
Meet the industry-leading trust intelligence platform for managing Privacy and Data Governance, GRC and Security, Ethics and Compliance, and ESG and Sustainability.
onetrust.com
The Quantcast Platform simplifies digital advertising by connecting brands to their audiences using real-time data from over 100M web & mobile destinations.
quantcast.com
Usercentrics is a leading consent management platform (CMP) that empowers companies to obtain, manage and document the consent of their users
usercentrics.com