Here is some helpful information on how to start a handyman company in the state of Idaho. You may want to start here: How to Start a Handyman Business.
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-Register your handyman business name.
Find out more about business name registration here: https://idahobizhelp.idaho.gov/BusinessEssentials/AssumedBusinessName.aspx
-Select your business structure.
Determine what business structure you wish to have: Sole-proprietor, LLC, Partnership, Corporation, etc. – http://business.idaho.gov/Default.aspx?tabid=474 More on Business Entities: Choosing a Roofing Business Structure
-Register your handyman business.
Find out more here: https://labor.idaho.gov/ibrs/ibr.aspx
-Open a Business Checking Account.
You will need to open a separate bank account for your handyman business with your new business name.
-Find out about taxes, hire an accountant.
You may want to file your own taxes if you are a small company. As you grow, it will be easier to have an accountant do the work. More information about taxes here: https://tax.idaho.gov/i-1132.cfm and http://www.irs.gov/Businesses/Small-Businesses-&-Self-Employed/Starting-a-Business .
-Get Liability Insurance.
-Register as a Contractor.
Depending on what type of work you will be doing, you may need a contractor license in Idaho. Find out more here: https://dbs.idaho.gov/contractors/
-Get Health Insurance.
Since you will be self-employed, you will need your own health insurance. If you have employees, you will need a plan that will include their health needs also.
You may be required to obtain a license to operate your handyman business in a particular locale, whether you are a resident, or not.
Depending on the locale, you may need to apply for permits before commencing certain types of handyman-related jobs.
-Building Code and Inspections.
You must be aware of building codes for your particular job, and may be subject to inspections.
Depending on how many employees you have, you may need to follow OSHA regulations. http://www.osha.gov