New York (CNN Business) Google's parent company now has more than 100,000 employees.

Alphabet GOOGL said Monday that it had 103,549 employees in the first quarter, up from 85,050 employees in the same period a year ago.

The addition of nearly 20,000 employees in the last year highlights the company's expanded ambitions. In recent years, Alphabet has expanded into cloud computing, hardware, self-driving cars and more.

Microsoft MSFT On a conference call with analysts Monday, Alphabet CFO Ruth Porat said cloud computing in particular is a "primary area for headcount growth." The company is investing to compete with Amazon andin the fast-growing cloud marketplace.

But Alphabet remains an advertising company at its heart. Alphabet posted $36.3 billion in revenue for the first three months of 2019, with about 85% of that coming from Google's advertising business.

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