Cahill, O'Kelly & Associates, P.C.

Cahill, O’Kelly & Associates is a CPA firm dedicated to the success of its clients. We are proud of the long-term relationships we have developed with our clients over the years. We believe trust, communication and excellent service are the keys to our success.
The Firm was founded in 2002, and the partners have been serving Boulder and the surrounding communities since the 1980’s. Over the past decade, our successful growth has been the result of commitment to quality service and referrals from wonderful clients. Our firm provides a variety of financial, tax and business consulting services to individuals, businesses and non-profit organizations. We are very active in the local community and feel very fortunate to call Boulder home. 



In 2002, Ed Cahill and Pat O’Kelly founded Cahill, O’Kelly & Associates, P.C. in Boulder. In December 2016 their firms began operating in separate offices.  Ed will remain in Boulder and, along with his staff, will continue to serve his clients under the name, Cahill & Associates, P.C.  Pat and his staff have moved to a new location in Broomfield and will continue to serve his clients under the name, O’Kelly & Associates, Inc.


The firms will have separate websites in the near future. Below is their current contact information. Staff email addresses are located under About Us. 


                       Cahill & Associates, P.C.                              O’Kelly & Associates, Inc.

                        4810 Riverbend Road, 2nd Flr                                 6363 W. 120th Avenue, Suite 302

                                Boulder, CO 80301                                                 Broomfield, CO 80020

                                Ph: 303-440-0400                                                      Ph:  303-438-1040

                                Fax: 303-402-0602                                                    Fax: 303-993-3126

                            Email:                                       Email:

                                                                                                        US Bank Building - Broomfield, CO