CoSEA Continuing Education
CoSEA provides at least 10 continuing education hours per year included with your membership dues on various State of Colorado and Federal tax related topics.

Discounts on Thomson Reuters 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.
If you are a member, log into your account for the discount code. Haven't joined yet? Join now to access the discounts!

Tax990
Whether you prepare two 990s per year or 100, you will appreciate the ease with which Tax990 allows you to do your work!
Join CoSEA or log into your member area to access the discount code.

Discounts on The Tax Book
Members 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. Join CoSEA or log into your member account to get the discount code!

Free Tax Industry News & Updates
Members can access articles/print found at The TaxBook.
Join now to access these informative articles!
Find us on Social Media!
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 [email protected] and a volunteer will get you approved once your CoSEA membership is verified.
Prefer LinkedIn?
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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.



