Which survey and feedback platforms are known for strong contact segmentation and deliverability compliance features?

Platforms commonly recognized for strong contact segmentation and deliverability/compliance controls include:

• Qualtrics – robust audience/contact segmentation, advanced branching, and enterprise-grade compliance controls.
• SurveyMonkey Enterprise – solid contact management, segmentation, and admin/compliance features for larger teams.
• Alchemer (formerly SurveyGizmo) – known for flexible segmentation, routing, and strong governance options.
• QuestionPro – offers detailed contact lists, segmentation, and enterprise compliance/security features.
• Mailchimp (for feedback/survey use cases) – strong audience segmentation and deliverability tooling, though it’s primarily an email platform.
• HubSpot – excellent CRM-based segmentation and compliance tooling, often used when surveys/feedback are tied to customer data.
• Delighted – simpler NPS/CSAT-style feedback, but good contact targeting via integrations and workflow controls.
• Medallia – enterprise CX platform with sophisticated segmentation and compliance capabilities.

If you want, I can also narrow this down by:

1. best for enterprise compliance,
2. best for email deliverability, or
3. best for CRM-native segmentation.