A student in economics and econometrics at Sciences Po and Ecole Polytechnique, Arthur founded PriceMatch at the age of 22 with some friends. PriceMatch is an algorithm that predicts future demand and provides price recommendations to hotels. They were acquired by Booking.com in May 2015, and integrated into its new B2B software suite for hotels, called BookingSuite.
He founded Pennylane in 2019 with some of the founding team of PriceMatch. Pennylane's goal: to build the first technology tool that is both the accountant's production tool and his client's steering tool, to simplify business management and enable efficient, real-time collaboration between accountants and executives.