Intriguing and evocative:

• Empower Customers, Elevate Satisfaction: Innovation99 unlocks the magic of self-service portals.
• Ditch the Hold Music, Embrace Self-Service: Innovation99 puts your customers in control.
• From Frustration to Frictionless: Innovation99 reimagines self-service portals for joyful engagement.

Benefit-focused:

• Innovation99: Where convenience meets control – Boost customer engagement and satisfaction with intuitive self-service portals.
• Turn customers into co-pilots: Innovation99's self-service portals empower action, driving engagement and satisfaction.
• Reduce wait times, amplify smiles: Innovation99's self-service portals streamline interactions, boosting customer engagement and satisfaction.

Specific to Innovation99:

• Innovation99's Smart Portals: The key to unlocking happier, more engaged customers.
• Empower & Delight: How Innovation99's self-service portals personalize customer journeys and ignite satisfaction.
• Ditch the Generic, Embrace the Genius: Innovation99's self-service portals cater to every customer, every time.

Bonus:

• Revolutionize Self-Service: Innovation99 – Your passport to engaged, satisfied customers. (This one uses a travel metaphor, which could be a good fit depending on your context.)

Ultimately, the best option will depend on your specific brand voice and target audience. Choose the one that resonates most with you and effectively communicates the value proposition of Innovation99's self-service portals.