Clientia
- Best for
- Boutique professional-services firms running retainer engagements
- Pricing
- €39–€399/month per workspace (not per seat). 14-day trial.
Clientia is the only option on this list built specifically for professional services client operations — contracts, retainers, license tracking, and a white-labeled portal as first-class objects. It replaces HubSpot, DocuSign, Stripe Billing, and your portal tool with one subscription. We're the author of this list, which is why we explain our own cons: Clientia has no outbound email marketing, no meeting scheduler, and is in early access (waitlist only). If you run outbound marketing campaigns, you'll still need a dedicated tool for that.