Insights

Loading spinner
Gathering insights about Sisterson & Co. LLP

Similar companies to Sisterson & Co. LLP

Sisterson & Co. LLP Tech Stack

Sisterson & Co. LLP uses 8 technology products and services including jQuery, FancyBox, imagesLoaded, and more. Explore Sisterson & Co. LLP's tech stack below.

  • jQuery
    Javascript Libraries
  • FancyBox
    Javascript Libraries
  • imagesLoaded
    Javascript Libraries
  • Windows Server
    Operating Systems
  • X-XSS-Protection
    Security
  • reCAPTCHA
    Security
  • Microsoft ASP.NET
    Web Frameworks
  • AddThis
    Widgets

Sisterson & Co. LLP's Email Address Formats

Sisterson & Co. LLP uses at least 1 format(s):
Sisterson & Co. LLP Email FormatsExamplePercentage
FLast@sisterson.comJDoe@sisterson.com
70%
FirstLast@sisterson.comJohnDoe@sisterson.com
16%
FiLast@sisterson.comJoDoe@sisterson.com
10%
FMLast@sisterson.comJMDoe@sisterson.com
4%

Frequently Asked Questions

Where is Sisterson & Co. LLP's headquarters located?

Minus sign iconPlus sign icon
Sisterson & Co. LLP's main headquarters is located at 310 Grant Street, Suite 2100. The company has employees across 2 continents, including North AmericaEurope.

What is Sisterson & Co. LLP's phone number?

Minus sign iconPlus sign icon
You can contact Sisterson & Co. LLP's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sisterson & Co. LLP's official website and social media links?

Minus sign iconPlus sign icon
Sisterson & Co. LLP's official website is sisterson.com and has social profiles on LinkedIn.

How much revenue does Sisterson & Co. LLP generate?

Minus sign iconPlus sign icon
As of December 2025, Sisterson & Co. LLP's annual revenue is estimated to be $5M.

What is Sisterson & Co. LLP's NAICS code?

Minus sign iconPlus sign icon
Sisterson & Co. LLP's NAICS code is 5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services.

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

Minus sign iconPlus sign icon
As of December 2025, Sisterson & Co. LLP has approximately 125 employees across 2 continents, including North AmericaEurope. Key team members include Partner - Assurance Services: J. S.Partner: J. N.Partner - Consulting Services: M. W.. Explore Sisterson & Co. LLP's employee directory with LeadIQ.

What industry does Sisterson & Co. LLP belong to?

Minus sign iconPlus sign icon
Sisterson & Co. LLP operates in the Accounting industry.

What technology does Sisterson & Co. LLP use?

Minus sign iconPlus sign icon
Sisterson & Co. LLP's tech stack includes jQueryFancyBoximagesLoadedWindows ServerX-XSS-ProtectionreCAPTCHAMicrosoft ASP.NETAddThis.

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

Minus sign iconPlus sign icon
Sisterson & Co. LLP's email format typically follows the pattern of FLast@sisterson.com. Find more Sisterson & Co. LLP email formats with LeadIQ.

When was Sisterson & Co. LLP founded?

Minus sign iconPlus sign icon
Sisterson & Co. LLP was founded in 1926.

Sisterson & Co. LLP

AccountingPennsylvania, United States51-200 Employees

Sisterson is one of the largest independently-owned certified public accounting and financial consulting firms in the Pittsburgh area.  

Our growth since the firm's inception in 1926 has been deliberate and steady as services and staff are added to meet the needs of our clients. The firm presently serves hundreds of clients and takes pride in preserving a tradition that began more than 90 years ago - delivering quality service and value to each client while developing long-term relationships.

Our mission is to enhance the success of our clients through our commitment, creativity, and competencies as a respected and responsive provider of value-added financial services.

The professionals at Sisterson provide: tax, audit and accounting, consulting, technology, and commercial lender services.

We work in a variety of industries, but consider these as areas of expertise for our firm: manufacturing and distribution, private investment companies, not-for-profit, private foundations, real estate, energy, professional services, emerging businesses, technology, and employee benefit plans.

Section iconCompany Overview

Headquarters
310 Grant Street, Suite 2100
Phone number
NAICS Code
5412 - Accounting, Tax Preparation, Bookkeeping, and Payroll Services
Founded
1926
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    Sisterson & Co. LLP's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Sisterson & Co. LLP's revenue is estimated to be in the range of $100M$250M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.