About
Costello Tax Associates is a leading accounting firm delivering comprehensive accounting, tax and advisory services to business owners, executives and professionals. Our team provides personalised tax planning, payroll, cash-flow management, financial reporting, estate and business planning, valuations, QuickBooks support and secure document services.
Reviews
Cindy
3 weeks ago
I highly recommend hiring John for MA state and federal tax returns. We live in Somerville and found him randomly as we drove by his office. He has now been preparing our complicated tax returns for over 10 years and we've never seen a mistake. Yes, his consultation time is limited during the tax filing season, but he and his team are busy getting all our returns done on time! I appreciate his prompt turnarounds and accurate work.
SECOND HOUSE
a month ago
This was by far the best CPA experience I've ever had. I will be bringing my business and any prospective customers here who need support and trust in someone who cares about the people walking in the door. 5 stars easily!
Brian Whalley
11 months ago
TLDR: Unresponsive, not accurate, rude, and would have cost us thousands. This was the worst tax experience of my life. John was very short via email if he replied at all. In addition: 1) He made an error on our HSA contributions that only we found. When pointed out all he did was send an updated return and no acknowledgement. 2) He did not enter the cost basis correctly on Employee Stock Transactions and if we did not point it out it would have cost us thousands of extra $ in taxes. No apology or explanation just updated the return. 3) He never confirmed when the return was filed. While we were out of the country on April 15th he would not respond to emails. When we finally got a hold of him on the phone he said he receives too many emails to reply and this is how he does business. I would not use him unless you have a very simple return and trust that it is right without combing through many pages of returns with no help from John.
Cameron Sullivan
a month ago
Costello Tax is the best, they are absolutely wonderful and take care of everything! John is outstanding!
John Murray
a year ago
John has done my taxes for the second year. This year was more complicated because we moved out of state. I appreciate the excellent communication and understanding of tax preparation for two states. Thank you John for putting me at ease.
Addresses
- 311 Highland Ave, Somerville Get directions
Phone numbers
Email addresses
- john@jmcostello.com
Links
Services
- Tax & Compliance
- Taxes
- Bookkeeping and Accounting
- Payroll
- Financial Advice
