CPA Guide
Top CPA Firms in Pennsylvania
Find trusted, highly-rated Certified Public Accountants across Pennsylvania. Independently reviewed and ranked by our editorial team.
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CPA Services in Pennsylvania
Pennsylvania has a unique tax structure featuring a flat individual income tax of 3.07% — one of the lowest nominal rates in the country — but significant local earned income taxes that can add another 1-3% depending on municipality. The state’s Corporate Net Income Tax has been on a downward reform path. Philadelphia, as a major city, imposes additional taxes that require separate planning.
CPAs in Pennsylvania navigate the state’s complex local tax structure, the Pennsylvania Corporate Net Income Tax, and the unique aspects of Philadelphia’s business tax regime. The state’s economy spans manufacturing, healthcare, education, and financial services, with significant presence in the Philadelphia and Pittsburgh metros and a substantial rural economy.
Top 6 CPA Firms in Pennsylvania
Ranked by our editorial scoring system based on verified ratings and review volume
#1
Ageras US
★★★★☆ (359 reviews)
📍 1900 Market St 8th floor, Philadelphia, PA 19103
📞 (267) 800-0215
Accountant
#2
Fulton’s Accounting Services
★★★★★ (239 reviews)
📍 1515 Market St #1200, Philadelphia, PA 19102
📞 (888) 538-5866
Accounting
#3
Kim Yeung Ling P.C.
★★★★☆ (152 reviews)
📍 1010 Race St 1st Fl Suite 3, Philadelphia, PA 19107
📞 (215) 922-2684
Certified Public AccountantTax Consultant
#4
Kelcher & Associates
★★★★★ (48 reviews)
📍 5070 Parkside Ave #1410, Philadelphia, PA 19131
📞 (215) 877-3995
AccountantTax Consultant
#5
Cotton Mather Accounting Group, LLC
★★★★☆ (51 reviews)
📍 4550 McKnight Rd, Pittsburgh, PA 15237
📞 (412) 931-1617
Certified Public AccountantBookkeeping
#6
William R Koscinski Jr. CPA
★★★★☆ (32 reviews)
📍 3722 Lehigh St #408, Whitehall Township, PA 18052
📞 (610) 434-4033
Accountant
How We Selected These Firms
Our editorial team evaluates CPA firms across Pennsylvania using a proprietary scoring model that considers:
✓ Google rating — only firms with 4.0 stars or higher are eligible
✓ Review volume — scored using a logarithmic formula to reward genuine review depth
✓ Verified address — firms must have a confirmed physical location
✓ No paid placements — rankings are editorial only, never paid
Last updated: 2025 | Data sourced from verified public business listings
Pennsylvania CPA & Tax FAQ
Q: What is Pennsylvania’s income tax rate?
Pennsylvania has a flat individual income tax rate of 3.07% — one of the lowest nominal rates in the country. However, Pennsylvania’s broad definition of taxable income, combined with significant local earned income taxes in most municipalities, means the effective tax rate on earned income is often 5–6% or higher in major metropolitan areas.
Q: How do Pennsylvania local earned income taxes work?
Most Pennsylvania municipalities impose an earned income tax (EIT) on wages and net profits from self-employment. Tax rates vary by municipality, but most areas have rates of 1%–2%. When you live and work in different municipalities, the higher rate generally applies.
Q: What should Philadelphia businesses and residents know?
Philadelphia imposes its own taxes: the Business Income and Receipts Tax (BIRT), the Net Profits Tax (NPT), and the Wage Tax on Philadelphia residents and those working in Philadelphia. The combined Philadelphia and state tax burden on business income can be significant. Philadelphia has been gradually reducing Wage Tax rates in recent years.
Q: How does Pennsylvania treat retirement income?
Pennsylvania does not tax retirement income from qualified pension plans, 401(k) plans, IRAs (after retirement age), Social Security benefits, or military retirement pay. This is one of the most generous retirement income exemptions in the nation and makes Pennsylvania significantly more attractive for retirees.
Q: What are the corporate income tax changes in Pennsylvania?
Pennsylvania’s Corporate Net Income Tax rate has been on a declining path from 9.99% to 4.99% by 2031, with annual step-downs. The state has also been updating its apportionment rules to a single-sales-factor method, which benefits companies with significant Pennsylvania sales but operations elsewhere.
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