A small car and van rental agency has a short list of jobs to do: to know which vehicle is free on which date and who has it and under what terms, get it back in the condition it left, and get paid. Nothing about this is exotic. Yet in many fast-growing cities, these jobs in vehicle rental businesses still run on spreadsheets, paper contracts, and WhatsApp threads long after the businesses have outgrown them. The global car rental market itself is worth roughly USD 150 billion a year, and a large share of that activity still passes through agencies…