Ayoub Sidhum & Co. CPA Firm
What we could verify
- Registered business?
- Not verified
- CPA license or firm permit?
- CPA license active (individual: Joseph N Ayoub) · 81554 · California Board of Accountancy (DCA public licensee data file)
- Publishes prices?
- Not stated on its website
- Local or remote?
- Not stated on its website
- Software?
- QuickBooks
Who they say they serve: restaurants, construction, real estate, property management, medical (self-reported, from the firm's own website)
2 of 5 answered from a dated source.
Documents 2 of 5 core services; CPA license verified with the state board.
Score breakdown
Dark bar: points earned. Grey bar: the weight we could check.
Evidence
| Claim | What the source shows | Source | Points |
|---|---|---|---|
| Business name | Ayoub Sidhum & Co. CPA Firm | home page | |
| Website | https://ast-cpafirm.com/ | home page | |
| Office locality | Corona, CA | home page | |
| Phone | +19513002678 | home page | |
| Offers bookkeeping | Documented: ...Estate and Trust Tax Gift Tax Returns Non-profit Organization Read more → Accounting & Bookkeeping Bookkeeping Payroll Sales Tax QuickBooks Management QuickBooks Pro-Advisor Read... | home page | |
| Payroll coordination | Documented: ...Tax Returns Non-profit Organization Read more → Accounting & Bookkeeping Bookkeeping Payroll Sales Tax QuickBooks Management QuickBooks Pro-Advisor Read more → Individual Tax... | home page | 4 pts (max 4) |
| Month-end close + reporting | Documented: ...Tax Preparation Tax Planning 1031 Exchanges Read more → Audit and Assurance Services Financial Statement Audits Financial Statement Reviews Financial Statement Compilations Read... | home page | 6 pts (max 6) |
| Industries served (documented) | restaurants, construction, real estate, property management, medical, dental, retail | /business-accounting/tax-planning-and-consulting | 5 pts (max 5) |
| Software supported | QuickBooks | home page | 5 pts (max 5) |
| Active CPA firm or individual license (state board) | CPA license active (individual: Joseph N Ayoub) · 81554 · California Board of Accountancy (DCA public licensee data file) | State accountancy board Third-party Sep 26, 2026 expires Jan 31, 2028 | 8 pts (max 8) |
| What is included / excluded | Documented: ...instead of trying to stay on top of your books. Our Business Accounting Services include: Accounting and bookkeeping All tax services - corporate, partnership, multi-state... | /business-accounting/accounting-and-write-up-ser | 5 pts (max 5) |
| Named contact / team | Joseph N. Ayoub, EA | /about | 3 pts (max 3) |
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); Local / remote model stated (0 pts, max 3); 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); Privacy / data-handling page (0 pts, max 2).
Not verified (not checked yet, so each scores 0 and counts against coverage): Service area; Current QuickBooks ProAdvisor or Xero advisor listing (0 pts, max 6); Bookkeeping designation (AIPB/NACPB) or IRS directory credential (0 pts, max 6); Entity found in the state business registry (0 pts, max 6); Years operating (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.
- Active CPA firm or individual license (state board): California lists an ACTIVE CPA license (Active) for JOSEPH N AYOUB, the individual named on the firm's site, expiring 2028-01-31. An individual's license is not a CPA firm permit and does not verify the firm. It does not prove service quality.
Data limitations
- 20 of 21 evidenced items come from Ayoub Sidhum & Co. CPA Firm's own website and are labelled self-reported.
- No ratings or review counts are published here. Why.
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