The lists below include many of the oldest and newest Harvard Square businesses, according to information provided by the Harvard Square Business Association.
Oldest
- Cambridge Savings Bank (1834)
- Cambridge Center for Adult Education (1876; a nonprofit, rather than a business)
- Harvard Coop (1882)
- Leavitt & Peirce (1883)
- Cambridge Trust Company (1890)
- J. August (1891)
- La Flamme Barber Shop (1898)
- Alice Darling Secretarial Services, Inc. (1913)
- Felix Shoe Repair (1913)
- Dickson Bros. True Value Hardware Store (1920)
- Brattle Square Florist (1925)
- The Sheraton Commander Hotel (1927)
- Grolier Poetry Book Shop (1927)
- Harvard Book Store (1932)
Newest (2010 and 2011)
- Follow the Honey
- Al’s Sandwich Shop
- Chutney’s
- Clover Food Lab
- Forty Winks
- Hotel Veritas
- The Maharaja
- Otto Pizza
- Pinkberry
- Russell House Tavern
- Starbucks Harvard Square (bi-level store)
- TD Bank
- Zinneken’s