Houghton Mifflin Harcourt

Interactive games and books for kids and schools.

placeBoston, Massachusetts, United States calendar_todayFounded 1832 groups2,148 employees language hmhco.com

Innovation

8 patent families (8 granted) — focus: Physics & computing; filing pace dormant. Cited 2,889 times.

YearFilings
20121
20153
20164
20172
20181
20201

Investor mix

8 investors on record; 4 have since exited.

Investor typeCountShare
Venture capital225%
Private equity675%

Hiring activity

Hires occasionally

4 roles tracked across 2 of the last 12 months

17 Jan 2026 · Sr Software Developer (Canada) · Sherbrooke

5 Jan 2026 · Maintenance Technician · Geneva

7 Nov 2025 · Account Executive - Small Accounts · McAllen

5 Nov 2025 · Senior Delivery Lead · Montreal

30 Aug 2025 · Account Executive - Large Accounts, Phoenix · Phoenix

Based on job postings tracked across public sources.

Coming soon