CoSEA Member Benefits

Vendor Discounts

Vendors provide special discounts for CoSEA members and some also directly financially support CoSEA.

Discounts on QuickFinder

Relied on for over 45 years, Quickfinder continues to be the leading quick reference provider for tax professionals, combining high quality content with years of editorial expertise to ensure the answers you need are right at your fingertips. Designed and written by working tax professionals, Quickfinder delivers accurate and useful answers in a down-to-earth, concise format with a sense of humor that is as unique as your clients.  Save on Quickfinder Handbooks as a COSEA member by using promotion code Q535 or placing an order online at

Discounts on RIA/PPC

COSEA members can receive 10% off any new RIA/PPC print title by using promotion code PRINT10, details can be found here.

Founded in 2005, TheTaxBook is a small, 100% American-owned company, located in Minnetonka, Minnesota. The foundation of any great publishing company is great authors. Our veteran authors are second to none. Experience matters! Our authors have decades of experience writing fast-answer tax reference materials. We also guarantee that all of our authors are practicing tax preparers. TheTaxBook was voted the #1 Tax Research Product in the CPA Practice Advisor’s Readers’ Choice Awards from 2013-2020. Our customers are the reason we exist and their satisfaction is by far our #1 priority. It is our goal to produce the best products, offer them at the best prices, and provide best in class customer service.

Discounts on The Tax Book

When members use CoSEA’s promo code of 265, they receive The Tax Book’s best pricing and free shipping year-round. CoSEA receives a $5 rebate for each book, $10 for each WebLibrary user, and $15 for the first firm user of the Jacob Special or TTB Bundle.

Free Tax Industry News & Updates

The unlocked (green square) articles found on are available to CoSEA members and can be printed.

CoSEA Facebook Group

To electronically talk about Colorado& COSEA specific issues with other CoSEA members, all are encouraged to join the closed FaceBook group, CoSEA Facebook. To request admittance e-mail and a volunteer will get you approved once your CoSEA membership is verified.  

EA Logo

Here is a copy of the EA logo which can be used by all Enrolled Agents:

Colorado Department of Revenue Email Service Updates…

We encourage all CoSEA members to receive email news alerts and updates from the Colorado Department of Revenue.  Subscribe to various topics of interest to you at the Colorado Department of Revenue Email Subscription Service.

CoSEA Continuing Education

CoSEA provides continuing education as part of our periodic meetings.  See Upcoming Events and Previous Events