Updated:
← Back to Top 57 Bookkeepers in the Denver-Aurora Area, CO (2026)

Accounting & Tax Resources, Inc.

Evidence Score 33/100 at 86% evidence coverage 41 of 57 on the Denver-Aurora area list How the score works

What we could verify

Registered business?
Registration found: Colorado Secretary of State, status Good Standing, formed 1988
CPA license or firm permit?
Not verified
Publishes prices?
Not stated on its website
Local or remote?
Not stated on its website
Software?
None named on its website

1 of 5 answered from a dated source.

Documents 3 of 5 core services; IRS preparer record found for a named person; registered entity verified.

Score breakdown

Documented services + buyer fit14 of 40 pts, 40 checked
Independently verifiable qualifications6 of 20 pts, 6 checked
Operational + pricing transparency0 of 25 pts, 25 checked
Verified identity + continuity13 of 15 pts, 15 checked

Dark bar: points earned. Grey bar: the weight we could check.

Evidence

Unless a row says otherwise, the source is the named page of Accounting & Tax Resources, Inc.'s own website (self-reported), read Sep 26, 2026.
ClaimWhat the source showsSourcePoints
Business name Accounting & Tax Resources, Inc. /contact.html
Website https://atritax.com/contact.html /contact.html
Office locality Littleton, CO /contact.html
Phone +13039730243 /contact.html
Offers bookkeeping Documented: ...Accounting & Tax Resources, Inc. 5400 W. Coal Mine Ave Littleton, CO 80123 Home :: Bookkeeping :: Payroll :: Business Solutions :: Estate & Gift Planning Financial Statements... /contact.html
AP / AR Documented: ...can provide as many of the following services as you want: Paying bills and managing accounts payable. Handling all payroll functions, including quarterly and annual payroll tax... /bookkeeping.html 4 pts (max 4)
Payroll coordination Documented: ...& Tax Resources, Inc. 5400 W. Coal Mine Ave Littleton, CO 80123 Home :: Bookkeeping :: Payroll :: Business Solutions :: Estate & Gift Planning Financial Statements :: Investment... /contact.html 4 pts (max 4)
Month-end close + reporting Documented: ...CO 80123 Home :: Bookkeeping :: Payroll :: Business Solutions :: Estate & Gift Planning Financial Statements :: Investment Review :: Recordkeeping :: Tax Planning Tax Preparation... /contact.html 6 pts (max 6)
Bookkeeping designation (AIPB/NACPB) or IRS preparer record IRS preparer record for Walter Witkowski · CPA (self-reported to the IRS, not a state license) · business name on the record: Accounting & Tax Resources, Inc. IRS preparer records
Third-party
Sep 27, 2026
6 pts (max 6)
Entity found in the state business registry Business registration found: ACCOUNTING & TAX RESOURCES INC. · CO entity ID 19881079137 · Colorado Secretary of State · Good Standing State business registry
Third-party
Sep 26, 2026
6 pts (max 6)
Operating 1+ year (registry formation date) Formed 1988-08-11 (formation date of a Colorado-formed entity) State business registry
Third-party
Sep 26, 2026
5 pts (max 5)
Working contact route verified [email protected] (mail server found) DNS check
Third-party
Sep 26, 2026
2 pts (max 2)

Checked and not found

  • Not documented. Checked 6 pages of the firm's own site on 2026-09-26 (Firm's own website): Monthly bookkeeping (0 pts, max 8); Catch-up / cleanup (0 pts, max 5); Industries served (documented) (0 pts, max 5); Software supported (0 pts, max 5); Local / remote model stated (0 pts, max 3); Pricing approach published (0 pts, max 6); What is included / excluded (0 pts, max 5); Onboarding described (0 pts, max 4); Reporting cadence stated (0 pts, max 4); Named contact / team (0 pts, max 3); Communication channel / process (0 pts, max 3); Privacy / data-handling page (0 pts, max 2).

Not verified (not checked yet, so each scores 0 and counts against coverage): Service area; Active CPA firm or individual license (state board) (0 pts, max 8); Current QuickBooks ProAdvisor or Xero advisor listing (0 pts, max 6).

Check it yourself on the state's own records: Colorado State Board of Accountancy license search and business registry search.

  • Bookkeeping designation (AIPB/NACPB) or IRS preparer record: The IRS's public file of active tax preparers (PTIN holders, updated 2026-02-23) lists Walter Witkowski under the business name 'Accounting & Tax Resources, Inc.' in Littleton, CO. The record lists: CPA. It is one individual's IRS preparer record, not a firm license or a directory listing. Its CPA entry is self-reported to the IRS and is not a state CPA license. It does not prove service quality.
  • Entity found in the state business registry: Business registration found: Colorado Secretary of State business entities (data.colorado.gov 4ykn-tg5h) lists ACCOUNTING & TAX RESOURCES INC. (CO entity ID 19881079137), status Good Standing, checked 2026-09-26. It confirms a registered entity, not a license to practice accountancy.
  • Operating 1+ year (registry formation date): The registry records 1988-08-11 as the formation date of a Colorado-formed entity.
  • Working contact route verified: The email address the firm publishes is on a domain that accepts mail (MX record present).

Data limitations

  • 20 of 24 evidenced items come from Accounting & Tax Resources, Inc.'s own website and are labelled self-reported.
  • No ratings or review counts are published here. Why.

Is this your firm?

Claim this listing to correct a field with evidence, or report a correction. Claiming confirms ownership only; it does not change the score.