Healdsburg Bookkeeping
Licensed
Licensed
It’s free, with no obligation to book
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About
We provide professional bookkeeping, payroll, and tax preparation and planning services for individuals and small to medium-sized businesses in Healdsburg and throughout Sonoma County. Founded by Diem Nguyen, we bring over six years of experience and a highly personalized, detail-driven approach as certified QuickBooks Online ProAdvisors. We focus on clear, accurate financial reporting so you can stay organized, make confident decisions, and plan for long-term stability. Our goal is to take bookkeeping off your shoulders so you can focus on running and growing your business.
Credentials
License verified
Tax Preparer (CTEC)
License state: CA
Background checked
Passed by Diem Nguyen on Oct 27, 2026.
Services offered
Accounting needs
Entity type
Individual or sole proprietorship
Partnership
C-Corp / Corporation
S-Corp
Industry
Sales & marketing
Healthcare
Technology / IT
Manufacturing
Projects and media
Projects and media
Reviews
Exceptional 5.0
5 reviews
5
100%
4
0%
3
0%
2
0%
1
0%
Your trust means everything to us. Learn about our review guidelines.
Jake B.
Apr 17, 2026
•
From Google
Not so much the place as the person. Diem has been very attentive and responsive to my input. She is quite capable and I look forward to continuing working with her.
Healdsburg Bookkeeping's reply
Thank you so much for your kind words. It was such a pleasure working with you. Your trust means a lot to me. Thank you again for your support.
huyen V.
Apr 17, 2026
•
From Google
We have had Diem Nguyen for helping us to do tax since last 5 years. Great experience! Will still need her for many more years for tax prep.
Healdsburg Bookkeeping's reply
Hi Huyen, I’m so glad I could be part of your journey. I’m always here to help. Wishing you all the best and thank you again for your kind words and for taking the time to leave me a review. I truly appreciate it!
Chris S.
Apr 6, 2026
•
From Google
Diem Nguyen of Healdsburg Bookkeeping is wonderful to work with. She completed my tax return quickly and accurately. I have been a client for 3 years and I will continue to use her services and recommend Diem to any seeking a tax return or Bookkeeping services.
Healdsburg Bookkeeping's reply
Thank you so much for your kind words and for trusting me over the past 3 years, it truly means a lot to me!
I’m so glad to hear that you had a smooth and positive experience with your tax return. My goal is always to make the process as easy, accurate, and stress-free as possible.
I really appreciate your continued support and your recommendation, it means everything to my small business. I’m always here whenever you need help with bookkeeping, tax planning, or future filings.
Looking forward to continuing to support you!
Alma N.
Feb 5, 2026
•
From Google
Diem has been managing my business bookkeeping since 2023, and I couldnt be happier. Shes thorough, responsive, and truly cares about keeping my books in order.
Healdsburg Bookkeeping's reply
Thanks Alma for your kind words. Appreciate your time to gave me great feedback back. It means a lot. 🥰
Sharon S.
Aug 11, 2026
•
From Google
Demi did my 2025 tax return and did a nice job. She is very pleasant to work with and her services are affordable.
Healdsburg Bookkeeping's reply
Thank you so much for your kind review! I truly appreciate your trust in me with your 2025 tax return. It was a pleasure working with you, and I look forward to helping you again in tax year 2026.