Top 14 Bookkeepers in the Oxnard-Thousand Oaks Area, CA (2026)
Key Takeaways
- First on the list: Vista Financial CPA, scoring 49 with 81% of the evidence checked.
- We reviewed 73 firms here; 19 of the 22 that met the listing bar reached 70% evidence coverage, and the 14 with at least 6 documented items are numbered.
- Only 2 of 22 publish a monthly price or a starting price, while 17 say nothing about fees.
- Compared with every firm we list, this group stands out on verified credentials: 5 of 22 hold a credential a third party confirms (23% against 13%).
Sources cited in this article: DNS check, Firm's own website, IRS preparer records, State accountancy board, and our published methodology.
73 profiles reviewed, 22 met the listing bar, 19 scored (evidence coverage of 70% or more). 14 document at least 6 of the items we score and are ranked by Evidence Score; the other 5 are under the list as Also scored.
Firms on this page have offices in Ventura (6), Camarillo (4), Oxnard (4), Simi Valley (4) and Thousand Oaks (4). The page covers 25 towns and cities in the metro area, and a firm elsewhere in California appears on the state page.
How this list is built: Methodology · Disclosures · About · Report a correction
This list numbers the 14 Oxnard-Thousand Oaks bookkeeping firms with enough documented evidence to rank, out of 22 that met our listing bar, and scores 5 more below it without a number. Start from what you need and use the filters: catch-up work (3 firms), a published price (2) and remote service (7).
What firms here charge
We verified a monthly bookkeeping price for 2 of the 22 firms on this list, each from the firm's own site and captured on September 26, 2026. The lowest listed is Andrew P. Dragotto, CPA: from $300 a month. The highest listed is JR Bookkeeping: from $349 a month. For the other firms we have no verified monthly bookkeeping price; some may publish other pricing, so ask them for a quote.
| Firm | Price type | Monthly price ($) | Conditions | Captured |
|---|---|---|---|---|
| Andrew P. Dragotto, CPA | Starting price | 300 | None stated | |
| JR Bookkeeping | Starting price | 349 | None stated |
Top 14 Bookkeepers in the Oxnard-Thousand Oaks Area, CA, Ranked by Evidence Score
- Vista Financial CPA (Ventura, CA). Evidence Score 49/100 at 81% coverage. Read the full profileDocuments 3 of 5 core services; IRS preparer record found for a named person. Documented fit: Xero users.
- Privity CPA Partners (Thousand Oaks, CA). Evidence Score 49/100 at 78% coverage. Read the full profileDocuments 4 of 5 core services; CPA license verified with the state board. Documented fit: real estate, property management.Who they say they serve (self-reported): real estate, property management.
- Varshawsky & Company (Camarillo, CA). Evidence Score 48/100 at 83% coverage. Read the full profileDocuments 4 of 5 core services; IRS preparer record found for a named person.
- Harris Accounting Corp (Camarillo, CA). Evidence Score 46/100 at 77% coverage. Read the full profileDocuments 4 of 5 core services. Documented fit: Xero users.
- Instrumental Tax Solutions, Inc. (Oxnard, CA). Evidence Score 38/100 at 80% coverage. Read the full profileDocuments 2 of 5 core services.
- JR Bookkeeping (Ventura, CA). Evidence Score 38/100 at 80% coverage. Read the full profileDocuments 3 of 5 core services; publishes a starting price. Documented fit: catch-up and cleanup work; QuickBooks Online users.
- Arxis Financial (Simi Valley, CA). Evidence Score 38/100 at 74% coverage. Read the full profileDocuments 2 of 5 core services; CPA license verified with the state board. Documented fit: attorneys, manufacturing.Who they say they serve (self-reported): attorneys, manufacturing, contractors, real estate, healthcare.
- Freedom Accounting Solutions Inc. (Ventura, CA). Evidence Score 37/100 at 83% coverage. Read the full profileDocuments 3 of 5 core services; states it prices by quote.
- Andrew P. Dragotto, CPA (Thousand Oaks, CA). Evidence Score 34/100 at 81% coverage. Read the full profileDocuments 1 of 5 core services; CPA license verified with the state board; IRS preparer record found for a named person; publishes prices. Documented fit: technology.Who they say they serve (self-reported): technology.
- ASB Tax & Accounting (Oxnard, CA). Evidence Score 34/100 at 77% coverage. Read the full profileDocuments 4 of 5 core services. Documented fit: catch-up and cleanup work.
- TKT Tax & Accounting (Camarillo, CA). Evidence Score 32/100 at 83% coverage. Read the full profileDocuments 3 of 5 core services; IRS preparer record found for a named person. Documented fit: real estate, attorneys.Who they say they serve (self-reported): real estate, attorneys, consultants.
- Martin, Ketterling & Associates (Ventura, CA). Evidence Score 32/100 at 77% coverage. Read the full profileDocuments 3 of 5 core services.
- Clear Vision Bookkeeping (Simi Valley, CA). Evidence Score 31/100 at 80% coverage. Read the full profileDocuments 4 of 5 core services. Documented fit: catch-up and cleanup work.
- Skidmore Markell & Co. (Simi Valley, CA). Evidence Score 24/100 at 74% coverage. Read the full profileDocuments 2 of 5 core services.
Also scored
These firms reached 70% evidence coverage, but fewer than 6 of the items we score are documented for them, so they carry a score and no number.
| Firm | Where | Services documented | Software | Pricing | Credentials verified | Coverage (%) | Evidence Score |
|---|---|---|---|---|---|---|---|
| Sunken Accountancy Corporation | Ventura, CA Local | AP/AR, payroll coordination, month-end close | Not verified | Not verified | Not verified | 77 | 19 |
| K & R Services Unlimited | Simi Valley, CA | AP/AR, payroll coordination | Not verified | Not verified | Not verified | 83 | 13 |
| Loveless Accounting Inc | Thousand Oaks, CA | payroll coordination | Not verified | Not verified | IRS preparer record | 81 | 12 |
| Chien & Smith-Fricke | Camarillo, CA | Not verified | Not verified | Not verified | Active CPA firm or individual license | 72 | 10 |
| JT Tax Services | Oxnard, CA | Not verified | Not verified | Not verified | Not verified | 77 | 5 |
Top firms in Ventura
Vista Financial CPA leads Ventura with an Evidence Score of 49/100 at 81% coverage. Also ranked in Ventura: JR Bookkeeping (38/100, 80% coverage), Freedom Accounting Solutions Inc. (37/100, 83% coverage), Martin, Ketterling & Associates (32/100, 77% coverage).
Top firms in Camarillo
Varshawsky & Company leads Camarillo with an Evidence Score of 48/100 at 83% coverage. Also ranked in Camarillo: Harris Accounting Corp (46/100, 77% coverage), TKT Tax & Accounting (32/100, 83% coverage).
Top firms in Simi Valley
Arxis Financial leads Simi Valley with an Evidence Score of 38/100 at 74% coverage. Also ranked in Simi Valley: Clear Vision Bookkeeping (31/100, 80% coverage), Skidmore Markell & Co. (24/100, 74% coverage).
Top firms in Oxnard
Instrumental Tax Solutions, Inc. leads Oxnard with an Evidence Score of 38/100 at 80% coverage. Also ranked in Oxnard: ASB Tax & Accounting (34/100, 77% coverage).
Top firms in Thousand Oaks
Privity CPA Partners leads Thousand Oaks with an Evidence Score of 49/100 at 78% coverage. Also ranked in Thousand Oaks: Andrew P. Dragotto, CPA (34/100, 81% coverage).
Comparison table
| Firm | Where | Services documented | Software | Pricing | Credentials verified | Coverage (%) | Evidence Score |
|---|---|---|---|---|---|---|---|
| Vista Financial CPA | Ventura, CA Local + remote | AP/AR, payroll coordination, month-end close | QuickBooks Online, QuickBooks Desktop, Xero, FreshBooks | Not verified | IRS preparer record | 81 | 49 |
| Privity CPA Partners Says it serves: real estate, property management | Thousand Oaks, CA | monthly bookkeeping, AP/AR, payroll coordination, month-end close | QuickBooks | Not verified | Active CPA firm or individual license | 78 | 49 |
| Varshawsky & Company | Camarillo, CA Local + remote | monthly bookkeeping, AP/AR, payroll coordination, month-end close | QuickBooks | Not verified | IRS preparer record | 83 | 48 |
| Harris Accounting Corp | Camarillo, CA Local + remote | monthly bookkeeping, AP/AR, payroll coordination, month-end close | Xero | Not verified | Not verified | 77 | 46 |
| Instrumental Tax Solutions, Inc. | Oxnard, CA Local + remote | AP/AR, month-end close | QuickBooks | Not verified | Not verified | 80 | 38 |
| JR Bookkeeping | Ventura, CA Local | monthly bookkeeping, catch-up/cleanup, payroll coordination | QuickBooks Online | Publishes a starting price | Not verified | 80 | 38 |
| Arxis Financial Says it serves: attorneys, manufacturing, contractors, real estate, healthcare | Simi Valley, CA Local | payroll coordination, month-end close | QuickBooks | Not verified | Active CPA firm or individual license | 74 | 38 |
| Freedom Accounting Solutions Inc. | Ventura, CA Local + remote | AP/AR, payroll coordination, month-end close | Not verified | Quote only (stated) | Not verified | 83 | 37 |
| Andrew P. Dragotto, CPA Says it serves: technology | Thousand Oaks, CA | payroll coordination | Not verified | Publishes prices | Active CPA firm or individual license, IRS preparer record | 81 | 34 |
| ASB Tax & Accounting | Oxnard, CA Local | monthly bookkeeping, catch-up/cleanup, payroll coordination, month-end close | Not verified | Not verified | Not verified | 77 | 34 |
| TKT Tax & Accounting Says it serves: real estate, attorneys, consultants | Camarillo, CA | AP/AR, payroll coordination, month-end close | QuickBooks | Not verified | IRS preparer record | 83 | 32 |
| Martin, Ketterling & Associates | Ventura, CA Local | AP/AR, payroll coordination, month-end close | QuickBooks | Not verified | Not verified | 77 | 32 |
| Clear Vision Bookkeeping | Simi Valley, CA Local + remote | catch-up/cleanup, AP/AR, payroll coordination, month-end close | Not verified | Not verified | Not verified | 80 | 31 |
| Skidmore Markell & Co. | Simi Valley, CA Local | payroll coordination, month-end close | Not verified | Not verified | Not verified | 74 | 24 |
Also listed (not scored yet)
These firms met the listing bar but have under 70% evidence coverage, so they are not ranked.
| Firm | Where | Services documented | Software | Pricing | Credentials verified | Coverage (%) |
|---|---|---|---|---|---|---|
| CPA Sarita Sharma | Oxnard, CA | monthly bookkeeping, AP/AR | Not verified | Quote only (stated) | Active CPA firm or individual license | 39 |
| Crystal Clear Accounting Services Says it serves: retail, construction, manufacturing | Thousand Oaks, CA | payroll coordination, month-end close | QuickBooks | Not verified | IRS preparer record | 39 |
| RS Accounting Says it serves: construction, real estate, medical, retail | Ventura, CA Local + remote | AP/AR, payroll coordination, month-end close | QuickBooks | Quote only (stated) | Not verified | 69 |
What the evidence shows
Pricing
2 of 22 firms here publish a monthly price or a starting price, 3 say they quote, and 17 say nothing about fees (77%). Figures the firms publish themselves, as their sites word them: JR Bookkeeping ("starting at just $349/mo") and Andrew P. Dragotto, CPA ("$300 per month"). Ask for the fee and what it covers in writing before the first month starts.
Services and process
If you're behind, start with the 3 firms that say they do catch-up or cleanup work. On this page that's JR Bookkeeping, ASB Tax & Accounting and Clear Vision Bookkeeping. Fewer write down the process: 5 of 22 describe onboarding and 6 name a reporting schedule.
Software and remote work
QuickBooks leads the software firms here name (36%); after it come Xero 9% and QuickBooks Online 9%. If you run Xero, Vista Financial CPA and Harris Accounting Corp name it. Remote work is stated by 7 of 22; the filter above the list narrows to them.
Licenses and public records
California publishes records we can match, so we could check this group against them: 5 firms with an active CPA license or permit on California's published register. The CPA records we matched belong to Privity CPA Partners, Arxis Financial, Andrew P. Dragotto, CPA and Chien & Smith-Fricke. Each profile shows the license or permit number and the date we checked. Check any CPA claim yourself on the California Board of Accountancy lookup.
The ranking
The numbered firms score between 24 and 49; the median across every scored firm is 34. 5 more firms reached 70% coverage with fewer than 6 documented items, so they sit under the list as Also scored, without a number. The top of the list: Vista Financial CPA (49 at 81% coverage), Privity CPA Partners (49 at 78% coverage) and Varshawsky & Company (48 at 83% coverage). Ventura has the most numbered firms (4), and the list spans 5 towns in all. A high-coverage firm with a modest score isn't a weak firm. Its site simply leaves more for you to ask.
Oxnard-Thousand Oaks area in figures
Shares of the 22 firms listed, from accepted evidence only. A firm with no evidence for an item counts as not stating it. Median evidence coverage: 77.5%; median Evidence Score of the scored firms: 34.
| What the firms state | Share (%) | Firms (of 22) |
|---|---|---|
| Publish a price or starting price | 9 | 2 |
| State they price by quote | 14 | 3 |
| Say nothing about pricing | 77 | 17 |
| Hold a third-party-verified credential | 23 | 5 |
| State a reporting cadence | 27 | 6 |
| Describe onboarding | 23 | 5 |
| Offer catch-up or cleanup work | 14 | 3 |
| Work remotely (stated) | 32 | 7 |
| Mention QuickBooks | 36 | 8 |
| Mention Xero | 9 | 2 |
| Mention QuickBooks Online | 9 | 2 |
| Mention QuickBooks Desktop | 5 | 1 |
| Mention FreshBooks | 5 | 1 |
Frequently Asked Questions
Which Oxnard-Thousand Oaks bookkeepers publish their prices?
JR Bookkeeping and Andrew P. Dragotto, CPA show a price or a starting price on their own site. Open a profile to see the exact wording and the page it came from.
Which firms in Oxnard-Thousand Oaks take on catch-up bookkeeping?
JR Bookkeeping, ASB Tax & Accounting and Clear Vision Bookkeeping say they do catch-up or cleanup work. The catch-up filter above the list shows only those firms.
Which Oxnard-Thousand Oaks bookkeepers work in Xero?
Vista Financial CPA and Harris Accounting Corp name Xero on their site. More firms here name QuickBooks, so ask which one a firm prefers before you switch anything.
Which Oxnard-Thousand Oaks bookkeepers say which industries they serve?
6 of 22 name them on their own sites, among them Privity CPA Partners (real estate and property management), Arxis Financial (attorneys and manufacturing), Andrew P. Dragotto, CPA (technology), TKT Tax & Accounting (real estate and attorneys) and Crystal Clear Accounting Services (retail and construction). It's self-reported, so ask for a client reference in your trade.
Every place this page covers (25)
Bell Canyon, Camarillo, Casa Conejo, Channel Islands Beach, El Rio, Fillmore, Lake Sherwood, Meiners Oaks, Mira Monte, Moorpark, Oak Park, Oak View, Ojai, Oxnard, Piru, Port Hueneme, San Buenaventura (Ventura), Santa Paula, Santa Rosa Valley, Santa Susana, Saticoy, Simi Valley, Somis, Thousand Oaks, Ventura.
Sources and further reading
Dates are when we checked. Report an error.
- DNS checkChecked Sep 26, 2026 to Oct 15, 2026
- Firm's own websiteChecked Sep 26, 2026 to Nov 10, 2026
- IRS preparer recordsChecked Sep 27, 2026
- State accountancy boardChecked Sep 26, 2026
- California Board of Accountancy: license lookupCalifornia Board of Accountancy
- California business entity searchState of California
- How the Evidence Score worksBookkeeping Index methodology
- Commercial disclosuresBookkeeping Index