The top three gig economy companies share how they garnered remarkable increases in their earnings.

Uber for one has been one of the most favored gig economy companies in the ride-hailing services. Two others, Fiverr and Airbnb, also have their own share of success stories for 2021.

“Our early and decisive investments in driver growth are still paying dividends, with drivers steadily returning to the platform, leading to further improvement in the consumer experience,” Uber CEO Dara Khosrowshahi said during the 2021 Q3 investors meeting, according to a press release. “This is especially important as Mobility reignites. Mobility Gross Bookings are up 18% over just the last two months and this Halloween weekend surpassed 2019 levels.”

These three companies were listed by InvestorPlace as the "top three hottest gig economy stocks to buy" as 2021 was about to end. Uber has approximately 22,800 employees globally, Fiverr has approximately 421 employees, and Airbnb has approximately 5,465 employees, Washington Business Daily reported.

Uber's 2021 Q3 report showed a 57% annual increase in gross bookings with a 39% increase in trips for the quarter.

Fiverr reported its earnings to show that its 2021 Q3 revenue totaled $73.3 million. This is a 42% increase year of year. It also reported that the company’s active buyers have exceeded four million and the average spend per buyer is up 20% to $234. The company's growth was also demonstrated by its recent "completed acquisitions of Stoke Talent and CreativeLive, and launched Fiverr Workspace that is aimed at improving the experience of freelancers on its platform," according to InvestorPlace.

Airbnb’s homestays and accommodations revealed strong bookings, reporting 79.7 million nights and experiences booked in the third quarter, up 29% year over year. Its 2021 Q3 adjusted EBITDA was at $1.1 billion, a 37% growth from the year prior and 19% in 2019.