People2people is perceived as one of Sidekicker's biggest rivals. People2people was founded in 2005, and its headquarters is in Sydney, New South Wales. Like Sidekicker, People2people also works within the Employment Agencies field. People2people has 23 fewer employees than Sidekicker.

Labourpower Recruitment Services is one of Sidekicker's top rivals. Labourpower Recruitment Services is a Private company that was founded in 2002 in Port Botany, New South Wales. Like Sidekicker, Labourpower Recruitment Services also competes in the Employment Agencies sector. Compared to Sidekicker, Labourpower Recruitment Services has 27 fewer employees.

Blue Collar People is Sidekicker's #3 rival. Blue Collar People is a Private company that was founded in Perth, Western Australia in 1990. Like Sidekicker, Blue Collar People also operates in the Employment Agencies sector. Blue Collar People has 18 fewer employees vs. Sidekicker.