If you have only 1 employee, no insurance agency will take you. The employee will need to look on their own.
For 2 and above, there are group insurance plans.
- Justworks (for few employees). 
- takecommandhealth to handle the tracking and reimbursements. 
- QSEHRA will work up to 50 employees. 
For business insurance,  a broker.
You can also check with Decisely https://influencerseries.wufoo.com/forms/alchemist-accelerator-service-provider-selection/

