OneSavings Bank Plc is a UK-based specialist lender and retail savings company that operates through three segments. These segments are Buy-to-Let/SME, Residential Mortgages, and Personal Loans. The company provides a range of savings products, including NISAs, and focuses mainly on fixed, notice, easy access, and regular savings. Overall, OneSavings Bank Plc is a prominent player in the UK lending and savings industry, with a focus on delivering specialized products and services to its customers.