Numbercrunchers
“Paula is so super great and doing business with them has been nothing short of exceptional”
Best Bookkeeping Services in Simi Valley, CA
15 companies listed · 4 in Simi Valley · 4 open weekends · 12 rated 4.5+
Data verified October 31, 2026
Strategic Financial Reporting
The Bean Counters
K & R Services Unlimited
Periscope Money
MBA Financial & Accounting Solutions
“Mark and Abe took very good care of me and I couldn't be happier.”
The 15 companies listed for Simi Valley, CA keep books, reconcile accounts and close the month for businesses. What each says about its packages and software comes from its own website; ratings and quotes come from public reviews.
Area overview: Simi Valley, CA
4 of the 15 companies we list are based in Simi Valley; the other 11 serve Simi Valley from towns including Thousand Oaks (9 mi), Westlake Village (10 mi) and Canoga Park (10 mi). 12 of the companies on this page have a rating, from 4.8 to 5.0 across 180 reviews. When clients rate these companies on specific qualities, they most often praise professionalism (96%), quality (96%) and value (92%). 4 are open on Saturdays and 2 on Sundays. The services the companies on this page list most often on their websites are business services (4), quickbooks services (3), tax preparation (3), tax services (3) and bookkeeping (2). 4 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 44 years. 2 offer payment plans and 4 offer a free initial consultation. We have a website on file for all 15 of the companies on this page; all 15 publish a contact page; 12 list a public email and 2 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.
Do any bookkeeping companies listed for Simi Valley offer a free assessment?
A first consultation without charge is stated by 4 of the 15 companies. It usually means someone looks at your file, counts the monthly transactions, and gives you a price. Have login access ready or the quote will be a guess.
Premier Tax & Finance
“I definitely will be utilizing his tax preparation services in the future; good experience with a quality and competent professional.”
John E. Bennett, CPA
“I have reached out to Jack on numerous occasions for business advice and his recommendations and knowledge are very helpful and right on target.”
Andrew P. Dragotto, CPA
“Andrew has been a pleasure working with , he is professional, knowledgeable from accounting to audit support !”
Alphatax Tax Service
Pik Accounting
“Don't go anywhere else for your taxes!!”
Hdonovan Consulting
“It was a seamless transfer and she reached out to our tax adviser to clarify and correct a few past entries.”
Smart Services
“Been doing my taxes for years with them, very knowledgeable and professional team of accountants.”
SFV Business Services
“They provided me with an effective strategy for my tax needs that was tailored to fit my individual requirements.”
My Finance Resource
“They are literally the best firm I have ever hired in over 25 years of being a business owner.”
Why these companies made our list
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