Houghton Mifflin Harcourt Overview

  • Year Founded
  • 1832

Year Founded

  • Status
  • Private

  • Employees
  • 3,000

Employees

  • Latest Deal Type
  • Debt

  • Financing Rounds
  • 34

  • Investments
  • 26

Houghton Mifflin Harcourt General Information

Description

Provider of publishing services intended to bring learning to students, teachers and readers. The company provides educational products, technology platforms and services, including print and digital content in the form of textbooks, digital courseware, instructional aids and educational assessments, thus helping them to get all education materials in one place at a reasonable cost.

Contact Information

Website
www.hmhco.com
Formerly Known As
HMH Holdings, Houghton Mifflin Co, Hmh Holdings (Delaware), Inc.
Ownership Status
Privately Held (backing)
Financing Status
Private Equity-Backed
Corporate Office
  • 125 High Street
  • Boston, MA 02110
  • United States
Primary Industry
Publishing
Other Industries
Educational and Training Services (B2C)
Vertical(s)
Former Stock Listing
HMHC
Corporate Office
  • 125 High Street
  • Boston, MA 02110
  • United States

Houghton Mifflin Harcourt Timeline

2022202320242025
Financing RoundCaptured Employee CountEstimated Employee Growth

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Houghton Mifflin Harcourt Valuation & Funding

Deal Type Date Amount Valuation/
EBITDA
Post-Val Status Debt

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Houghton Mifflin Harcourt Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Provider of publishing services intended to bring learning to students, teachers and readers. The company provides educa
Publishing
Boston, MA
3,000 As of 2025

North Billerica, MA
 

Burlingame, CA
 
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Houghton Mifflin Harcourt Competitors (27)

One of Houghton Mifflin Harcourt’s 27 competitors is Curriculum Associates, a Private Equity-Backed company based in North Billerica, MA.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Curriculum Associates Private Equity-Backed North Billerica, MA
EdSurge Formerly VC-backed Burlingame, CA
Macmillan Learning Venture Capital-Backed New York, NY
Alpha Omega Publications Corporation Scottsdale, AZ
SAGE Publishing Private Debt Financed Thousand Oaks, CA
You’re viewing 5 of 27 competitors. Get the full list »

Houghton Mifflin Harcourt Patents

Houghton Mifflin Harcourt Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20080176203-A1 Cognitive / non-cognitive ability analysis engine Active 10-Jan-2007
US-7878810-B2 Cognitive / non-cognitive ability analysis engine Inactive 10-Jan-2007
US-20040073430-A1 Intelligent media processing and language architecture for speech applications Inactive 10-Oct-2002
US-20040034532-A1 Filter architecture for rapid enablement of voice access to data repositories Inactive 16-Aug-2002
US-6511326-B1 Adaptive evaluation method and adaptive evaluation apparatus Inactive 27-Jun-2000 G09B7/02
To view Houghton Mifflin Harcourt’s complete patent history, request access »

Houghton Mifflin Harcourt Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

Similarweb Unique Visitors

Majestic Referring Domains

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Houghton Mifflin Harcourt Investors

Investor Name Investor Type Holding Investor Since Participating Rounds Contact Info

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Houghton Mifflin Harcourt Investments & Acquisitions (26)

Houghton Mifflin Harcourt’s most recent deal was a Buyout/LBO with Writable. The deal was made on 27-Feb-2024.

Company Name Deal Date Deal Type Deal Size Industry Lead Partner
Writable 27-Feb-2024 Buyout/LBO Educational Software
Classcraft 11-May-2023 Buyout/LBO Educational Software
NWEA 10-Jan-2023 Merger/Acquisition Educational and Training Services (B2C)
Amira Learning 14-Apr-2021 Early Stage VC Educational Software
Charlala 07-Mar-2019 Grant Educational Software
You’re viewing 5 of 26 investments and acquisitions. Get the full list »

Houghton Mifflin Harcourt Exits (4)

Houghton Mifflin Harcourt’s most recent exit was on 08-Dec-2016 from Tangible Play. The exit was categorized as with 10 buyers.

Company Name Exit Date Exit Type Exit Size Status Buyers
Tangible Play 08-Dec-2016 Completed
  • 10 buyers
CliffsNotes 08-Nov-2012 Completed
  • 3 buyers
DS Digital 01-Jan-2008 Completed
  • 2 buyers
Greenwood Publishing Group 16-Jul-2007 Merger/Acquisition Completed
To view Houghton Mifflin Harcourt’s complete exits history, request access »

Houghton Mifflin Harcourt Affiliates

Subsidiaries (3)

Name Industry Location Year Founded
Writable Palo Alto, CA 2016
NWEA Portland, OR 1977
Harcourt Publishers Orlando, FL 1919

Houghton Mifflin Harcourt FAQs

  • When was Houghton Mifflin Harcourt founded?

    Houghton Mifflin Harcourt was founded in 1832.

  • Where is Houghton Mifflin Harcourt headquartered?

    Houghton Mifflin Harcourt is headquartered in Boston, MA.

  • What is the size of Houghton Mifflin Harcourt?

    Houghton Mifflin Harcourt has 3,000 total employees.

  • What industry is Houghton Mifflin Harcourt in?

    Houghton Mifflin Harcourt’s primary industry is Publishing.

  • Is Houghton Mifflin Harcourt a private or public company?

    Houghton Mifflin Harcourt is a Private company.

  • What is Houghton Mifflin Harcourt’s current revenue?

    The current revenue for Houghton Mifflin Harcourt is .

  • How much funding has Houghton Mifflin Harcourt raised over time?

    Houghton Mifflin Harcourt has raised $44M.

  • Who are Houghton Mifflin Harcourt’s investors?

    Veritas Capital has invested in Houghton Mifflin Harcourt.

  • Who are Houghton Mifflin Harcourt’s competitors?

    Curriculum Associates, EdSurge, Macmillan Learning, Alpha Omega Publications, and SAGE Publishing are some of the 27 competitors of Houghton Mifflin Harcourt.

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