5 Biggest Payroll Companies in the World

2. Automatic Data Processing, Inc. (NASDAQ:ADP)

Latest Revenue Estimate: $16.6 billion

Automatic Data Processing, Inc. (NASDAQ:ADP) is a diversified human resources company that offers both outsourcing and a software platform for firms to use. It is based in Roseland, New Jersey.

Automatic Data Processing, Inc. (NASDAQ:ADP) had some good news for investors in February 2023 when it announced that it has been named one of Fortune Magazine’s most admired companies for 2023. 49 of the 943 hedge funds part of Insider Monkey’s Q4 2022 survey had bought the firm’s shares.

Automatic Data Processing, Inc. (NASDAQ:ADP)’s largest investor in our database is Terry Smith’s Fundsmith LLP which owns 5.5 million shares that are worth $1.3 billion.

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