Case Study: Big Bus Tours achieves 26% revenue growth and rapid partner onboarding with MuleSoft

Big Bus drives digital strategy with APIs

Big Bus, the world’s largest hop-on hop-off sightseeing operator with 400 buses in 19 cities serving 5 million tourists a year, faced a drop in on‑street paper‑voucher sales and growing demand for online and partner channels. Its monolithic legacy systems forced slow, inefficient point‑to‑point integrations that hampered partner onboarding and digital growth.

By deploying MuleSoft and building a reusable booking API, Big Bus opened real‑time access for more than 1,000 partners across 27 countries, cut partner onboarding to two weeks, and reused APIs across its website and app. The lean IT team of eight now delivers faster innovation, digital ticketing with barcodes, and a smoother customer experience—driving a 26% year‑over‑year increase in trade revenue and 30–50% reuse on bespoke integrations.

Big Bus Tours

Richard Smith

Senior Vice President of Technology