McMahon & Tivnan, PC Company Profile, Contacts & Intelligence

Law Practice100 High Street8 employees
4 contacts with email or phone data4 with email data1 with phone data
View verified contacts Compare competitors
Employees
8
Company source estimate
Reachable Contacts
4
Visible contacts with email or phone data
Contacts With Email
4
4 of 4 visible contacts
Departments
3
Mapped contact coverage

McMahon & Tivnan, PC Overview

McMahon & Tivnan, PC represents individuals, estates and businesses with federal and state tax issues from audit through collection. It is led by D. Sean McMahon and Ryan Tivnan. The firm defends IRS and state tax matters and excels at resolving difficult and complex tax disputes. We counsel clients through examinations and liability disputes and, when necessary, take disputed issues to court. Collectively, our Boston tax attorneys have more than 100 years of experience investigating and defending IRS and state tax matters. McMahon & Tivnan offer clients unique insights on the real risks presented in disputes with the IRS and planning for complex transactions. They advise clients on the tax considerations of corporate, real estate, partnership, securities and option transactions. The firm also has extensive experience assisting individuals with foreign transaction reporting and penalty disputes, including foreign bank accounts and FBAR requirements, and cryptocurrency transactions.

Headquarters
100 High Street
Website
mcmahontaxlaw.com
Industry
Law Practice
NAICS
Offices of Lawyers
Tax controversy and litigation IRS and Massachusetts state tax investigations Voluntary Disclosure Foreign Bank Accounts and FBAR Requirements Tax appeals

McMahon & Tivnan, PC Contact Intelligence

See which contact channels and departments are represented in the visible AeroLeads data.

4 contacts with contact data
4 with email data and 1 with phone data in the visible sample.
3 departments represented
Visible contacts with email or phone data are mapped to these departments.
2 company-domain emails
Visible contacts using McMahon & Tivnan, PC's company email domain.
Legal
2
General
1
Executive
1

McMahon & Tivnan, PC People & Org Chart Preview

Sample people records show job titles and whether email or phone data is available without exposing raw contact details.

G
Gerry Ouellette
Tax Representation
E
J
Janina Campbell
Business Adminstrator
E
R
Ryan Tivnan
Partner at Mcmahon & Tivnan, Pc
E
S
Sean Mcmahon
Tax Controversy and Litigation Attorney
EP

McMahon & Tivnan, PC Workforce Composition

Seniority breakdown across 5 visible profiles.

Individual contributor
5

Compare Similar Companies to McMahon & Tivnan, PC

Explore companies in related markets and compare their industry and employee estimates.

Company Industry / match Employee estimate Page
Sayer Regan & Thayer, LLP Law Practice 31 View company
Wynn & Wynn, P.C. Attorneys Law Practice 31 View company
The Law Offices of David A. Camiel P.C. Legal Services 19 View company
Anderson Blanda & Saltzman Law Practice 17 View company
Knudsen Burbridge, P.C. Law Practice 10 View company
Davagian Grillo & Semple LLP Law Practice 9 View company
Drago + Toscano, LLP Law Practice 9 View company
McCormack Suny LLC Law Practice 8 View company
Gaggos Law Firm Law Practice 4 View company
D|R Law LLC Legal Services Not listed View company