Head offices
| Photo | Company | Address | Headquarters size |
|---|---|---|---|
 | DuolingoHeadquarters | 5900 Penn Avenue, Pittsburgh, PA 15206 | ≈ 195,254 sq ft (18,140 m²) |
 | PNC Financial ServicesThe Tower at PNC Plaza (headquarters, owned) | 300 Fifth Avenue, Pittsburgh, PA 15222 | 800,000 sq ft (74,323 m²) |
Sizes are the companies’ own figures, as shown on each profile with the source. “—” means the company does not publish one.
Pittsburgh in headquarters history
- Early yearsDuolingo · Above a sports bar
Duolingo started with “a few dozen nerds above a Pittsburgh sports bar”, in the company's own words.
- 2025Duolingo · 195,254 sq ft in Pittsburgh
Pittsburgh space more than doubled to about 195,254 sq ft in several buildings, and the headquarters lease was amended and extended through 2036.
- 2021Duolingo · IPO year: 5900 Penn Avenue
At its IPO Duolingo leased about 47,000 sq ft in Pittsburgh, with 5900 Penn Avenue as its principal offices; in November it signed a lease at Liberty East. By year end Pittsburgh space was about 84,000 sq ft.
- 1983PNC Financial Services · PNC is born
After Pennsylvania allowed statewide banking, Pittsburgh National and Philadelphia's Provident National merged — at the time the largest bank merger in U.S. history — and took the shared initials of their holding companies: PNC.
- 1959PNC Financial Services · Pittsburgh National Bank
Fidelity Trust merged with Peoples First to create Pittsburgh National Bank: 52 offices across Greater Pittsburgh and a new triangle logo for the city's Golden Triangle.
- 1946PNC Financial Services · Peoples First National
First National Bank of Pittsburgh and Peoples-Pittsburgh Trust merged to form Peoples First National Bank and Trust Co., with 275,000 customers.
- 1865PNC Financial Services · Wood Street, one door from Fifth Avenue
PNC's Pittsburgh roots go back to the Pittsburgh Trust and Savings Company, chaired by James E. Laughlin of Jones & Laughlin. It became the First National Bank of Pittsburgh — the first in the city to become a national bank — with its headquarters on Wood Street, one door from the corner of Fifth Avenue. The bank has done business at that spot ever since.
Questions
Which big companies have their headquarters in Pittsburgh?
On eciffo, 2 of the biggest companies have their head office in Pittsburgh: Duolingo and PNC Financial Services.
What is the biggest company headquarters in Pittsburgh?
Of the head offices on eciffo, PNC Financial Services's The Tower at PNC Plaza (headquarters, owned) is the largest at 800,000 sq ft (74,323 m²), as reported by the company.