Search online for concrete contractors in the Denver area. Review their profiles to find a contractor who specializes in the type of work you need done. Some contractors offer concrete driveway installations, while others offer stamped concrete services, patios or walkways, concrete repairs or pool installation.
Contact multiple contractors and ask many questions. For example, you can ask how long they’ve been in business, whether they can provide you with a written estimate, and whether they hold a current license and permit through the city.