v3.26.1
Cover
May 12, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date May 12, 2026
Registrant Name Public Policy Holding Company, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-43077
Entity Tax Identification Number 87-3557229
Entity Address, Address Line One 800 North Capitol Street NW
Entity Address, City or Town Washington
Entity Address, State or Province DC
Entity Address, Postal Zip Code 20002
City Area Code 202
Local Phone Number 688-0020
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol PPHC
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period true
Central Index Key 0001903508
Amendment Flag false