Jeri Miller, EA
“Aside from this she is very friendly and puts you at ease.”
Best Tax Preparation Services in Simi Valley, CA
18 companies listed · all 18 in Simi Valley · 5 open weekends · 14 rated 4.5+
Data verified October 31, 2026
The Tax Defense Group
“I wanted to thank Matt and Scott for providing a great service.”
Maranatha Financial Services
Paul Goodnough CPA
“I am much appreciative of his, (and his assistant Kelly), efforts to keep me and my small business in compliance with the IRS .”
HLW Tax
“I'm certainly glad I chose Bethany to give me the peace of mind knowing it will get done right and on time!”
Numbercrunchers
“Paula has personally help get my business on the right track and is always there for any of my tax questions.”
The 18 companies listed for Simi Valley, CA prepare and file tax returns for individuals and small businesses. What each says about its services and credentials comes from its own website; ratings and quotes come from public reviews.
Area overview: Simi Valley, CA
All 18 companies we list here are in Simi Valley itself. We have 20 companies in Simi Valley on file; this page shows the highest-rated 18. 15 of the companies on this page have a rating, from 4.3 to 5.0 across 101 reviews; 14 are rated 4.5 or higher. 5 are open on Saturdays and 1 on Sundays. 2 have a BBB rating of A or A+. Domain records put 10 websites of the companies on this page at ten or more years old; the oldest dates from 1998. 1 offers payment plans and 3 offer a free initial consultation. We have a website on file for 16 of the companies on this page; 14 publish a contact page; 11 list a public email and 1 takes bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book a consultation.
Are any tax preparers listed for Simi Valley open on Saturdays or Sundays?
5 of the 18 companies list weekend hours. Extended and weekend opening is common through the filing season and disappears afterward, so the hours shown here may not match what you find in the quiet part of the year. Call before you travel.
Kepple Edward CPA
“Have been a client for years, excellent knowledgeable CPA”
Arxis Financial
Winther & Co
CK Financial, Connie Kline, EA
“Connie was amazing she held our hands from A-Z, took as much time as we needed and made everything so easy to understand.”
A.I. Financial
“We've been using them for years for personal business taxes we highly recommend.”
Davila Services
“It was easy, fast, and simple speaking with Susana, she has a great professional and helpful office.”
A Working Woman
“Very helpful and knowledgeable at a reasonable price”
A.y.bassam & Co.
William Chase Tax Service
The Bean Counters
Valley Multiservices
“Very good service, I highly recommend professionalism.”
Lanza & Woodhouse Bookkeeping
“The best accountant in Ventura County!”
Why these companies made our list
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