CALLAGHAN LLP: Detailed Company Information & Corporate Profile
Summary
CALLAGHAN LLP is a bookkeeping firm headquartered in Hauppauge, New York that specializes in comprehensive record‑keeping solutions for its clients.
The company operates with 10 to 50 employees and reports annual revenues within the $1 million to $10 million range.
Leadership is guided by Partners Michael Lang, Christiane Hurley Zoller, and Sharon Manis. Client Administrator Lisa Kaufman oversees client relations, while Tax Manager Marlo Valenze leads tax services. The accounting team includes Accountant Jack Curley, Accounting Bookkeeper Lisa Young, and Tax Accountant Anthony Del Masto.
| CALLAGHAN LLP Website | callaghanllp.com |
| Social Links |   |
| Phone Number | 631-546-0000 |
| Industries | |
| CALLAGHAN LLP Headquarters Address | 100 Motor Pkwy, Hauppauge, New York, 11788 US |
| Company Size | 10-50 employees |
| Estimated Annual Revenue | $1 - 10M |
| Updated: | 2026-10-24 |
Workforce Turnover
Number of employees switched from or switched to
Length of Employment
CALLAGHAN LLP's workforce includes employees across a wide range of tenure levels.
33% have been with the company for 1 to 2 years33% have been with the company for 3 to 4 years33% have been with the company for 5 to 7 years
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CALLAGHAN LLP Corporate Information: FAQ
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