There are a number of steps to take to start a masonry business in the state of Colorado. You may want to start here: How To Start A Masonry Business. You must do your own thorough research, as laws change regularly. Here are some steps you may have to take (not necessarily in order) to start your masonry company, along with links to more information.
Getting started- The state of Colorado provides a few helpful websites for getting your business started: https://www.colorado.gov/apps/jboss/cbe/start-business.xhtml and http://www.coloradosbdc.org/starting-your-business
1. Register your masonry business name.
Find out more about registering a fictitious name here: http://www.coloradosbdc.org/resources/resource-guide/legal-structure-and-registration
2. Select your business structure.
Sole-proprietor, LLC, Partnership, Corporation, etc. Find out more here: http://www.coloradosbdc.org/resources/resource-guide/legal-structure-and-registration
2. Register your masonry business.
You can find out more about registering your business with the state of Colorado here: http://www.coloradosbdc.org/resources/resource-guide/legal-structure-and-registration
4. Open a Business Checking Account.
You will need to open a separate bank account for your masonry business with your new business name.
5. Find out about taxes and 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 info about taxes here: https://www.colorado.gov/tax and http://www.irs.gov/Businesses/Small-Businesses-&-Self-Employed/Starting-a-Business
6. Get Liability Insurance.
Find an insurance agent that offers liability insurance. You may want to shop around, as prices and options can vary.
7. Register as a Contractor.
Check with your local government about contractor registration.
8. Worker’s Compensation.
The insurance agency that provided your liability insurance should be able to help with this.
9. 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.
10. City License.
You may be required to obtain a license to operate your masonry 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 masonry jobs.
12. Building Code and Inspections.
You must be aware of building codes for particular jobs, and may be subject to inspections.
Depending on how many employees you have, you may need to follow OSHA regulations. http://www.osha.gov