Sansone CPA & Financial
“He has so many certifications/degrees which allows him to be very good at what he does, even when complex tax situations are involved.”
Best Accountants in Crystal Lake, IL
11 firms listed · 7 in Crystal Lake · 1 open weekends · 8 rated 4.5+
Data verified November 10, 2026
Barrett Accounting & Tax
“Art & Tanya have taken care of my business accounting & tax needs for the past decade providing reliable data & efficient processing.”
Source Team Tax & Accounting
“I am forever grateful for Norman's professionalism, tax knowledge, and fun personality while completing my yearly tax return.”
Miller Mary CPA
“She's the best - up on the newest tax laws, quick and reliable!”
Humphrey CPA
“Jeff is also very proficient in taxes pertaining to cryptocurrencies and digital assets, something most CPA's are not proficient in yet!”
Merlak Tax Advisory Group
“Whenever we had a question, I could either email or call and they would get back to me quickly and answer my questions.”
The 11 firms listed for Crystal Lake, IL prepare accounts, statements and returns for businesses and individuals. What each says about its services and software comes from its own website; ratings and quotes come from public reviews.
Area overview: Crystal Lake, IL
Of the 11 firms we list here, 7 are in Crystal Lake itself and 4 come from Lake in the Hills (2, 3 mi), McHenry (1, 8 mi) and Lake Zurich (1, 13 mi). The firms on this page are rated from 3.4 to 5.0 across 309 reviews; 1 has 50 or more reviews and 8 are rated 4.5 or higher. 1 is open on Saturdays. 2 have a BBB rating of A or A+. 7 have ten or more years of experience, the longest 39 years. 2 offer payment plans and 2 offer a free initial consultation. We have a website on file for all 11 of the firms on this page; all 11 publish a contact page; 9 list a public email and 4 take bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Can I book a consultation online with accounting firms listed for Crystal Lake?
4 of the 11 firms take appointment requests through their own website. A firm without that option usually prefers a phone call or an email with a short description of your business. Either way, have your last filing to hand so the first conversation is about numbers rather than guesses.
Flood & Associates
Martin Johnson Tax and Financial Services
“Joe's the best accountants I've worked with, so smart, knowledgeable, patient and nice.”
RCW Tax Services
“She and her team are thorough, knowledgeable and responsive.”
Schulz & Company Cpas
“She's a seasoned accountant that works hard to advise and manage our tax planning & filings.”
Harms Accounting & Tax Services
“I have used the services of Harms Accounting for my personal tax prep for 10+ years and always have professional timely service.”
Why these companies made our list
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