Accounting firms in Pennsylvania.
Pennsylvania holds 2,096 verified active accounting firms, 3.9% of the national total, ranking #5 of 51 with 9.93 per 1,000 employer firms in the state.
2,096
Verified active firms
#5
National rank
9.93
Per 1,000 businesses
Pittsburgh
Top city
Where they concentrate
| City | Verified active firms | Share of state |
|---|---|---|
| Pittsburgh | 159 | 7.6% |
| Philadelphia | 145 | 6.9% |
| Lancaster | 43 | 2.1% |
| West Chester | 39 | 1.9% |
| Allentown | 36 | 1.7% |
| Reading | 35 | 1.7% |
| Harrisburg | 34 | 1.6% |
| Erie | 25 | 1.2% |
| Media | 23 | 1.1% |
| Mechanicsburg | 22 | 1.0% |
Methodology. Web-present accounting firms tracked nationally; counts are entities verified active at last check (deduplicated).
Total employer firms (all sectors) per state, US Census Bureau Business Dynamics Statistics, 2023. Density is vertical entities per 1,000 employer firms. Pennsylvania: 211,009 employer firms. Last updated 2026-06-11. Cite freely with a link.
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