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← Back to Top 11 Bookkeepers in the Stockton-Lodi Area, CA (2026)

Tholborn & Ostrowski

Evidence Score 39/100 at 81% evidence coverage 3 of 11 on the Stockton-Lodi area list How the score works

What we could verify

Registered business?
Not verified
CPA license or firm permit?
Not verified (searched the state board)
Publishes prices?
Not stated on its website
Local or remote?
Local + remote
Software?
QuickBooks

Who they say they serve: medical, attorneys (self-reported, from the firm's own website)

2 of 5 answered from a dated source.

Documents 2 of 5 core services; IRS preparer record found for a named person.

Score breakdown

Documented services + buyer fit23 of 40 pts, 40 checked
Independently verifiable qualifications6 of 20 pts, 14 checked
Operational + pricing transparency8 of 25 pts, 25 checked
Verified identity + continuity2 of 15 pts, 2 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 Tholborn & Ostrowski's own website (self-reported), read Sep 26, 2026.
ClaimWhat the source showsSourcePoints
Business name Tholborn & Ostrowski home page
Website https://mloaccounting.com/ home page
Office locality Stockton, CA home page
Service area United States (stated by the firm) /faqs
Phone +12094789616 home page
Offers bookkeeping Documented: ...Specialist Learn More Jessica Administrative Assistant Learn More Elsie J Berdan Bookkeeping Assistant Learn More Where's my refund? Federal Refund State Refund /about/our-team
Payroll coordination Documented: ...benefits and help you confidently achieve your financial goals. Read More Business & Payroll Services Tax Planning and Return Preparation Services Financial Planning Consulting... home page 4 pts (max 4)
Month-end close + reporting Documented: ...adjust your strategy as needed. Plan Ahead: Set aside time each month to review your financial statements and ensure all records are complete. By following these practices, you... /faqs 6 pts (max 6)
Industries served (documented) medical, attorneys home page 5 pts (max 5)
Software supported QuickBooks /services/business-services 5 pts (max 5)
Local / remote model stated Local + remote /faqs 3 pts (max 3)
Bookkeeping designation (AIPB/NACPB) or IRS preparer record IRS preparer record for Michele Lee Ostrowski · Annual Filing Season Program record (on the IRS record) · business name on the record: Tholborn & Ostrowski IRS preparer records
Third-party
Sep 27, 2026
6 pts (max 6)
What is included / excluded Documented: ...that are “ordinary and necessary” for running your business. Common deductible expenses include: Office Costs: Rent, utilities, office supplies, and equipment. Employee Expenses... /faqs 5 pts (max 5)
Named contact / team Michele Ostrowski, Founder home page 3 pts (max 3)
Privacy / data-handling page Documented: Privacy Policy home page 2 pts (max 2)

Checked and not found

  • Not documented. Checked 8 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); AP / AR (0 pts, max 4); Pricing approach published (0 pts, max 6); Onboarding described (0 pts, max 4); Reporting cadence stated (0 pts, max 4); Communication channel / process (0 pts, max 3).
  • Not verified. Searched California Board of Accountancy licensee file (DCA public licensee data) for CPA firm records named 'Tholborn & Ostrowski'; individual CPA licences for 'Michele Ostrowski' on 2026-09-26: no matching record (State accountancy board): Active CPA firm or individual license (state board) (0 pts, max 8).

Searches that find nothing are not a mark against a firm. How we search.

Not verified (not checked yet, so each scores 0 and counts against coverage): Current QuickBooks ProAdvisor or Xero advisor listing (0 pts, max 6); Entity found in the state business registry (0 pts, max 6); Operating 1+ year (registry formation date) (0 pts, max 5); Working contact route verified (0 pts, max 2).

Check it yourself on the state's own records: California 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 Michele Lee Ostrowski under the business name 'Tholborn & Ostrowski' in Stockton, CA. The record lists: Annual Filing Season Program record. It is one individual's IRS preparer record, not a firm license or a directory listing. It does not prove service quality.

Data limitations

  • 21 of 23 evidenced items come from Tholborn & Ostrowski'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.