I do not see CEUniverse listed as an ACE provider on the BACB website

The BACB provides an ACE Provider Verification Registry where you can verify if an individual or organization is authorized to offer continuing education for BCBAs/BCaBAs:

If you search for "CEUniverse" (capitalization does not matter) in the provider name field, you should see our listing:

Note that there is no space in our name. If you search for "CE Universe" (or anything other than "ceuniverse"), you will not see our listing.