PennyMac Financial Services, Inc., through its subsidiaries, engages in the mortgage banking and investment management activities in the United States. The company operates through three segments: Production, Servicing, and Investment Management. The Production segment is involved in the origination, acquisition, and sale of loans. This segment sources residential conventional and government-insured or guaranteed mortgage loans through correspondent production, consumer direct lending, and broker direct lending. The Servicing segment performs loan servicing for both newly originated loans that are under holding for sale and loans services for others. The segment performs loan administration, collection, and default management activities, including the collection and remittance of loan payments; responds to customer inquiries; provides accounting for principal and interest; holds custodial funds for the payment of property taxes and insurance premiums; counsels delinquent borrowers; and supervising foreclosures and property dispositions, as well as administers loss mitigation activities, such as modification and forbearance programs. The Investment Management segment is involved in sourcing, performing diligence, bidding, and closing investment asset acquisitions; managing correspondent production activities for PennyMac Mortgage Investment Trust; and managing acquired assets. The company was founded in 2008 and is headquartered in Westlake Village, California.