Apr 2026
I had a great experience with this company. The service was fast, professional, and easy to understand. They helped me file everything correctly and answered all my questions. I would definitely recommend them.
About JJ HAFFNER COMPANY LLC
JJ Haffner Company Llc is a highly regarded accounting firm that has consistently delivered exceptional service to its clients over the years. The team at JJ Haffner, including Marianna and Robert, are known for their professionalism, integrity, and unwavering commitment to helping clients achieve their financial and taxation goals.
Clients have praised the firm's attention to detail, excellent communication skills, and ability to explain complex concepts in a clear and understandable manner. Marianna, in particular, is described as an excellent accountant who is thoughtful, personable, and highly knowledgeable.
The company's unique relentless work ethic and customer-focused approach have earned it a reputation for consistently exceeding client expectations. Clients have consistently expressed their trust and confidence in the firm, noting that their needs are always prioritized and that they feel informed and empowered in every decision.
Overall, JJ Haffner Company Llc is a highly recommended accounting firm that provides reliable, knowledgeable, and client-focused tax advice and services, with a track record of delivering exceptional results.
Reviews
Aug 2025
We’ve been working with the team at JJ Haffner for the last 5 years. Marianna is an excellent accountant—thoughtful, personable, and highly knowledgeable. She takes the time to explain everything clearly, is detail-oriented and has great communication skills. Truly a pleasure to work with and someone you can trust with confidence
Aug 2025
I’ve had the privilege of working with JJ Haffner Company for several years now, and the experience has been nothing short of outstanding. From the beginning, Robert, Marianna, and their team have shown professionalism, integrity, and an endless commitment to helping me and my clients achieve our financial and complex taxation concerns.
They take the time to listen, understand our needs, and explain complex concepts in a way that makes me feel informed and confident in every decision.
What sets JJ Haffner Co. apart is not just their expertise, but the trust and peace of mind they bring and their unique relentless work ethic, of which I’ve experienced with so many… read full review
Photos
Hours
Monday 9AM - 6PM
Tuesday 9AM - 6PM
Wednesday 9AM - 6PM
Thursday 9AM - 6PM
Friday 9AM - 6PM
Saturday 9AM - 6PM
Sunday 12 - 5PM
Good to know
- parking: street, valet
- wheelchair accessible
Location
85 Barnes Road Ste 300, Wallingford, CT 06492
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