Our professionals provide assurance, tax, and advisory services to clients locally, regionally and across the nation.
Our audit and assurance services identify opportunities to improve accounting information systems, tighten financial control, and, ultimately, enable management to obtain the most accurate information for making strategic decisions.
Our firm is a leader in tax compliance and sophisticated tax planning strategies. The scope of our tax practice goes far beyond routine tax return preparation for businesses, individuals and trusts.
Our consulting professionals have substantial experience and are committed to providing clients with valuable information to help them make the best business planning decisions.
Utilizing a niche team approach and organizing around your unique industry enables us to develop an in-depth understanding of your business.
Sisterson was founded in Pittsburgh, Pennsylvania, and our headquarters is still located downtown in the Union Trust Building. Our firm has lived through the Great Depresson, the rise and fall of the steel industry, and the emergence of the technology sector in our city. We proudly serve clients outside of the region and around the country but we are truly a Pittsburgh-based firm.
Today, we we stand atop the shoulders of our founders, our employees, and all of the valued clients we’ve served, as we prepare to usher in our next hundred years. We’re proud of our history. And we’re thrilled about our future.
One firm, one office, one mission. The employees and partners of Sisterson work out of one office, in the Union Trust Building, in downtown Pittsburgh.
Our collaborative environment, work-life balance and commitment to the non-profit community.
For 98 years, our professionals have served clients large and small with the same standard of service.
Sisterson is very interested in recruiting and retaining individuals committed to providing and supporting quality client service.
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Even if your not-for-profit isn't legally required to obtain independent audits, such audits can enhance financial transparency, increase accountability and help you build trust with your stakeholders.
With an intense tax policy season behind us, we now have final tax legislation in place through the One Big Beautiful Bill Act (OBBBA). The OBBBA includes an expansion of the Qualified Opportunity Zone program and makes the QOZ provisions permanent.
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A high-level summary of some of the provisions we believe are most relevant to businesses, investors, and their advisors. Effective dates vary by provision so it will be important to track.
Only some not-for-profit organizations are required to conduct independent annual audits.