Accountants and CPAs in Ontario, CA.

43 firms, compared.

Every dot is a firm. None vetted yet.

No vetted firm in Ontario yet
Vetted firms that work remotely can take Ontario clients. Or browse all 43 local firms below.
Vetted firms that work remotely →

Ontario accounting at a glance

84%
of Ontario firms are one person.
36 solo · 6 small · 1 mid-size or larger
8
are CPA firms. 10 more are enrolled agents.
The other 25 have no CPA or EA on the IRS register.
15
mention tax prep on their website.
13 tax planning · 10 bookkeeping · 5 payroll
Counts from public records and firm websites. 5 firms say they work in QuickBooks.
Ontario, CA has 43 firms. That’s a long list. Answer a couple of things, skip anything you like, and we’ll narrow it to the ones worth your time.
1Is this for you personally, or for a business?
2What do you actually need help with?
Pick as many as you like
3What kind of business are you?
4Does any of this apply to you?
Show the 43 that fit
✓ Vetted, working nationally

No firm in Ontario has been vetted yet. These two have, and they take clients anywhere. Everyone below is in Ontario and has not been vetted.

The Fitness CPA
Gyms and fitness studios
Adam Traywick
Construction and trades · Real estate investors and landlords · Salons, spas and beauty
43 firms matchof 43 in Ontario, CA
1
Gyl Llp
Public recordTax planning
Ontario, CA · Medium · CPA · EA
2
Falcon Tax & Consulting, LLP
Public recordTax planningSetupQuickBooks
Ontario, CA · Small · CPA · EA
3
G Lewis And Associates
Public record
Ontario, CA · Small · EA
4
Kristen Cunningham
Public recordBooksTaxesTax planning
Ontario, CA · Solo · EA
5
M&D Professional Services, Inc
Public record
Ontario, CA · Solo
6
Rammell & Company
Public recordIRS helpTaxesTax planningQuickBooks
Ontario, CA · Small · CPA
7
We Care Tax Llc
Public recordTaxesBooksPayrollQuickBooks
Ontario, CA · Small · EA
8
Xel Advisors
Public recordCFO helpTax planningBooks
Ontario, CA · Small
9
A E Powell, Inc.
Public record
Ontario, CA · Solo · CPA
10
All State Tax Resolution
Public recordIRS helpTax planningTaxesQuickBooks
Ontario, CA · Solo · EA
11
Barbara Robertson And Associates
Public record
Ontario, CA · Solo · EA
12
Capin Crouse LLP
Public recordNonprofits onlyAudit
Ontario, CA · Solo · CPA
13
Denson Tax, Bookkeeping And Financial Service, Inc.
Public record
Ontario, CA · Solo · EA
14
Deza Insurance Agency
Public record
Ontario, CA · Solo
15
DWY Tax & Accounting, Inc.
Public record
Ontario, CA · Solo · EA
16
Emdo Tax Relief
Public record
Ontario, CA · Solo
17
Exquisite Consulting Services LLC
Public recordTaxesTax planning
Ontario, CA · Solo
18
Hante Corp.
Public record
Ontario, CA · Solo
19
KELLY Accounting & Associates
Public recordPayrollTaxes
Ontario, CA · Solo
20
Kingbird Tax Inc
Public recordTax planningBooksPayroll
Ontario, CA · Solo · EA
21
KYP Financial
Public record
Ontario, CA · Solo
22
Lucy Salazar & Associates Inc
Public recordTax planningTaxesCFO help
Ontario, CA · Solo
23
Madero Accountancy Practice, PC
Public record
Ontario, CA · Solo · CPA
24
Mariette Felicie Martinez
Public recordQuickBooks
Ontario, CA · Solo · EA
25
Merchants Bookkeeping
Public record
Ontario, CA · Solo · EA
26
Meza CPA
Public recordTaxesBooksTax planning
Ontario, CA · Solo · CPA
27
Nardos Business Services
Public recordIRS helpTaxesBooks
Ontario, CA · Solo
28
Ramirez Financial Services, Inc.
Public recordTaxesBooks
Ontario, CA · Solo
29
Raymond Regalado, CPA
Public record
Ontario, CA · Solo · CPA
30
Sandoval Tax Services, Llc.
Public record
Ontario, CA · Solo
31
Superior Tax Services Inc
Public recordTax planning
Ontario, CA · Solo
32
Tax Ken
Public recordTaxes
Ontario, CA · Solo
33
Singular Insurance Services Inc
Public recordTaxes
Ontario, CA · Small
34
Advantage Tax Services
Public record
Ontario, CA · Solo
35
Duracoat Powdercoating
Public record
Ontario, CA · Solo
36
Hd Taxco
Public recordBooksTaxes
Ontario, CA · Solo
37
Jewels Taxes and Bookkeeping
Public recordTaxesBooks
Ontario, CA · Solo
38
Moreno's income tax services
Public record
Ontario, CA · Solo
39
My Office Income Tax / Mi Oficina Income Tax
Public record
Ontario, CA · Solo
40
Schlener Tax Prep
Public record
Ontario, CA · Solo
41
Stone Creek Tax Relief
Public record
Ontario, CA · Solo
42
Tax365
Public record
Ontario, CA · Solo
43
Vsolve Reg Llc
Public record
Ontario, CA · Solo
What firms do and who they serve comes from reading each firm’s own website. Non-vetted listings come from public records; only firms marked Vetted have been reviewed by our editors. The badge is not an endorsement, so check credentials and licensure yourself before hiring.

Quick answers

How many accountants are in Ontario?
43 accounting firms list a business address in Ontario, CA. 8 are CPA firms and 10 are enrolled agents.
Is there a vetted accountant in Ontario?
Not yet. Vetted firms that work remotely can take Ontario clients. If you run a Ontario firm, get vetted.
What’s the difference between a CPA, an EA and a bookkeeper?
A CPA is state-licensed and can sign audits. An enrolled agent is federally licensed to represent you before the IRS. A bookkeeper keeps the records current and usually holds no license. Read the full breakdown →
How do I choose an accountant in Ontario?
Start with what you need: a return, the books, or year-round planning. Then ask who they turn away and who picks up in August. The Real Cost of Picking the Wrong Accountant →

Nearby

Irvine 207Riverside 109Rch Cucamonga 61Temecula 55Tustin 53Murrieta 46Corona 44Redlands 36Fontana 34Moreno Valley 32Sn Bernrdno 30Upland 30

Listings are compiled from public records, including the IRS directory of credentialed return preparers. We have not reviewed these firms and they cannot edit or remove their listing. Vetted firms are the ones our editors have reviewed.

Be the first vetted firm in Ontario.
Vetted firms sit above all 43. Full refund if you don't pass.
Get vetted