Best Alternatives to Guidehouse

Accenture Federal Services (AFS) is the U.S. federal subsidiary of Accenture plc, headquartered in Arlington, Virginia, with approximately $5.5 billion in annual revenue and 15,500

CACI International is a defense and federal IT company founded in 1962 and headquartered in Reston, Virginia, trading on the NYSE under ticker CACI. With annual revenues in the $6–

Peraton is a national security and critical infrastructure technology company founded in 2017 through Veritas Capital's acquisition of Harris IT Services, headquartered in Herndon,

Community Brands is a private equity-backed software company headquartered in Duluth, Georgia, that operates a portfolio of over 13 software products serving associations, nonprofi

Accela is a San Ramon, California-based government software company founded in 1999 and owned by Vista Equity Partners. The company provides cloud-based permitting, licensing, code

Booz Allen Hamilton is a leading management consulting and technology firm founded in 1914 and headquartered in McLean, Virginia. With roughly 34,000 employees and fiscal year 2025

Maximus is a global government services company founded in 1975 and headquartered in Tysons, Virginia. Trading on the NYSE (ticker: MMS), Maximus reported fiscal year 2025 revenue

OpenGov is a San Francisco-based government cloud software company founded in 2012 that has raised over $250M in funding. The company provides an integrated suite of financial mana

Science Applications International Corporation (SAIC) is a Fortune 500 defense and government IT company headquartered in Reston, Virginia, founded in 1969. SAIC provides technolog

NEOGOV is an El Segundo, California-based human resources software company founded in 1999 that focuses exclusively on the public sector. The company provides an integrated HR and

Salesforce Nonprofit, operated through Salesforce.org, brings the full Salesforce CRM platform to nonprofit organizations through the Nonprofit Success Pack (NPSP) — an open-source

Blackbaud is the leading cloud software company serving the nonprofit, education, and social good sectors. Headquartered in Charleston, South Carolina, and publicly traded on NASDA

ManTech International is a U.S. defense IT and cybersecurity company founded in 1968, headquartered in Herndon, Virginia. Taken private by The Carlyle Group in a $4.2 billion deal

Municode is a Tallahassee, Florida-based government technology company founded in 1938 that has grown from a traditional municipal code publisher into a multi-product government di

iMIS is an association management system (AMS) and engagement management system (EMS) developed by Advanced Solutions International (ASI), headquartered in Washington, DC. With ove