Logo para startup

The startup connects professionals with clients through a chat system like WhatsApp or Telegram. Professionals such as  can provide followup services after consultations. The professionals could be Accountants
Attorneys
Dentists
Doctors and Medical Specialists
Doctors of Alternative Medicine
Health & Nutrition
Personal Fitness Trainers
Private Investigators
Background Checks
Real Estate Agents
The clients are people who need any of those services.

The system is like a whatsapp or telegram. Professionals and clients can communicate only through chat, voice messages. They can send pictures and docs.
And clients pay to have this interaction.
The logo / brand needs to inspire privacy, premium service, confidentiality, formality, trust.
The name of the startup is FLLUP with two "L" and it is a abbreviation of "follow up". The clients are between 20-40 years old. The professsionals are between 30-50 years old.