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Sisterson & Co. LLP Employee Directory

AccountingPennsylvania, United States51-200 Employees

Sisterson & Co. LLP is a mid-sized, independently owned certified public accounting and financial consulting firm based in Pittsburgh, Pennsylvania. Founded in 1926, the firm has grown steadily by expanding services and staff to meet client needs. It serves hundreds of clients and provides a spectrum of services that include tax, audit and accounting, consulting, and field examinations. 

Operating within the accounting industry, Sisterson aims to deliver value-added financial services that support client success. Its areas of expertise span manufacturing and distribution, private investment companies, not-for-profit organizations and private foundations, real estate, energy, professional services, technology, and employee benefit plans. The firm is rooted in Pittsburgh and maintains a regional client base across multiple sectors.

Find Sisterson & Co. LLP employees' phone numbers or email addresses

Sisterson & Co. LLP Global Highlights

Location
Employees

North America
152

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  • United States Of America
    152

Sisterson & Co. LLP's Leadership

  • Owner at Sisterson & Co. LLP
    E. L.
    Owner
  • Partner at Sisterson & Co. LLP
    J. S.
    Partner
  • Tax Manager at Sisterson & Co. LLP
    A. S.
    Tax Manager
  • Manager at Sisterson & Co. LLP
    B. L.
    Manager
  • Manager, Lender Services Group at Sisterson & Co. LLP
    J. G.
    Manager, Lender Services Group
  • Senior Tax Associate at Sisterson & Co. LLP
    H. J.
    Senior Tax Associate
  • Senior Tax Associate at Sisterson & Co. LLP
    S. G.
    Senior Tax Associate
  • General Associate at Sisterson & Co. LLP
    J. D.
    General Associate

Sisterson & Co. LLP Employee Metrics

100%
50%
0%
2026
2025
  • Accounting
  • Information Technology
  • Consultant
  • Other

Contact profiles from Sisterson & Co. LLP

Name
Title
Contact
Location
Last Update
  • Owner at Sisterson & Co. LLP
    E. L.
    Owner
    Oct 22, 2024
  • Partner at Sisterson & Co. LLP
    J. S.
    Partner
    Oct 23, 2024
  • Tax Manager at Sisterson & Co. LLP
    A. S.
    Tax Manager
    Jun 29, 2026
  • Manager at Sisterson & Co. LLP
    B. L.
    Manager
    Jun 15, 2026
  • Manager, Lender Services Group at Sisterson & Co. LLP
    J. G.
    Manager, Lender Services Group
    Oct 16, 2024
  • Senior Tax Associate at Sisterson & Co. LLP
    H. J.
    Senior Tax Associate
    Nov 13, 2025
  • Senior Tax Associate at Sisterson & Co. LLP
    S. G.
    Senior Tax Associate
    Oct 17, 2024
  • General Associate at Sisterson & Co. LLP
    J. D.
    General Associate
    Jun 17, 2025
  • Administrative Associate at Sisterson & Co. LLP
    D. M.
    Administrative Associate
    Jun 01, 2026
  • Tax Supervisor at Sisterson & Co. LLP
    A. H.
    Tax Supervisor
    Jun 02, 2026

Frequently Asked Questions

What is Sisterson & Co. LLP known for?

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Sisterson & Co. LLP was founded in 1926 and operates in the Accounting industry. You can contact Sisterson & Co. LLP's main corporate office by phone at . Explore Sisterson & Co. LLP's company overview page for more information.

What is Sisterson & Co. LLP's most common email format?

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Sisterson & Co. LLP employees' email format typically follows the pattern of FLast@sisterson.com. Trying to find reliable and up-to-date employee contact data? Find more Sisterson & Co. LLP email formats with LeadIQ.

How many employees does Sisterson & Co. LLP have currently?

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Sisterson & Co. LLP has approximately 122 employees as of August 2026. These team members are located across 1 continents, including North America.

Who are Sisterson & Co. LLP's key employees and leadership?

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As of August 2026, Sisterson & Co. LLP's key employees include:

  • Owner: E. L.
  • Partner: J. S.
  • Tax Manager: A. S.
  • Manager: B. L.
  • Manager, Lender Services Group: J. G.

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