Hiiiya! is a creative studio specializing in advertising, branding, design, and event production, led by Brett Elliott and Heidi Green, who bring over 40 years of experience. Their portfolio includes significant projects such as the Subsonic Music Festival, fashion design for Bebassy, and redesign of publications like The Big Issue and mumme magazine, resulting in awards and increased readership. Hiiiya! also focuses on sustainable practices and innovative marketing strategies, contributing to causes like fundraising for aid organizations.