American Tax Service
“Great service,being doing my Taxes for more than 10 years with them, Recommended”
Best Tax Preparation Services in Janesville, WI
15 companies listed · 8 in Janesville · 2 open 24/7 · 3 open weekends · 12 rated 4.5+
Data verified October 24, 2026
Holtz Tax & Accounting
“I've been using Holtz for many years now and appreciate all they do.”
Midwest CPA
“He did a great job and was very responsive and knowledgeable when I had questions.”
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Carefree Tax Service
“Service has always been great, and they file your taxes during your appointment.”
Alt Tax & Financial Services
“If you want professional and knowledgeable people working on your tax return and prefer having the same person prepare your taxes every year, I definately recommend their services after being a customer here for many years.”
O C Accounting Services
“Oc Accounting has been doing my taxes for years, I love just dropping my w2 off and they are done.”
The 15 companies listed for Janesville, WI 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: Janesville, WI
Of the 15 companies we list here, 8 are in Janesville itself and 7 come from Beloit (5, 12 mi) and Edgerton (2, 11 mi). The companies on this page are rated from 3.9 to 5.0 across 214 reviews; 1 has 50 or more reviews and 12 are rated 4.5 or higher. 2 are open around the clock; 3 are open on Saturdays and 2 on Sundays. 1 has a BBB rating of A or A+. 12 have ten or more years of experience, the longest 74 years. 2 offer urgent consultations; 1 offers payment plans; 1 offers a free initial consultation and 1 is family- or locally-owned. We have a website on file for 13 of the companies on this page; 8 publish a contact page; 5 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.
Are any tax preparers listed for Janesville open on Saturdays or Sundays?
3 of the 15 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.
Jensen Accounting and Consulting
“Don and his staff are always willing to help in a variety of questions you may have.”
Hagen CPA
“I even went back to them after deciding to file myself fully prepared to re-engage and pay their fee, and Nate pointed out my own simple error and gave me a free recommendation on how to fix it myself when another firm could have easily taken advantage of me.”
Jackson Bosco Tax Service
“Very good they go out of their way there save your money at reasonable prices”
Steponkus Tax Services
“They also extend their hours well past what they should to accommodate individual tax filers and small business owners.”
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AMD Tax & Accounting
“They have an outstanding team of professionals who were incredibly smart and helpful in starting my business and managing my personal and business taxes.”
Accurate Tax & Accounting
Advance Tax Services
Daniel Sadro CPA
“Dan made filing taxes extremely convenient, was efficient, and took the time to explain the main factors that contributed towards our returns.”
Income Tax and Services Beloit
“I love it, I will come again”
Why these companies made our list
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