Employee as the metric doesn't work. Consulting businesses are literally in the business to resell their employed talent. Their "product" is their employees.

Employee as the metric doesn't work. Consulting businesses are literally in the business to resell their employed talent. Their "product" is their employees. As such, they type of business by its very nature have a disproportionately large number of employees. E.g. Accenture employees 700,000 people, Tata Consulting 600,000.