It is LEGAL to carry a firearm at your place of employment. There is no law restricting your possession of a loaded firearm at work, as long as you have a concealed firearm permit, but it does not keep you from being fired if your employer has a "no weapon" policy.
It is LEGAL to carry a firearm in your business or on your property (without a permit) as described in 76-10-500. This means that you own the business.
For information about having a firearm in your vehicle in parking lots click here.
In September 2015, the Utah Supreme Court issued a strong endorsement of self-defense as public policy in a claim arising out of private action.
In Ray v. Wal-Mart Stores, Inc., the court held that an employee’s right of self-defense trumps an employer’s right to fire an employee, including an employee who can usually be terminated without specific cause (an “at-will” employee.)
76-10-500. Uniform law.
(1) The individual right to keep and bear arms being a constitutionally protected right, the Legislature finds the need to provide uniform laws throughout the state. Except as specifically provided by state law, a citizen of the United States or a lawfully admitted alien shall not be:
(a) prohibited from owning, possessing, purchasing, selling, transferring, transporting, or keeping any firearm at his place of residence, property, business, or in any vehicle lawfully in his possession or lawfully under his control;