The story
The company was Remolcadores Unidos Argentinos (bought from Buquebus in 1998) and became Colonia Express in 2007.
The company competes with Buquebus for a market of 2.5 million people per year who travel across the River Plate.
As of 2019, Colonia Express had 38% market share, with most customers coming via Buenos Aires, including many tourists from abroad. By including cargo, the company adjusted its seasonality of 70% annual revenue coming in five months of the year, to 60%.
From Wikipedia’s article on Colonia Express, shared under CC BY-SA 4.0.4
