Sales and marketing efficiency is a measure of the effectiveness of a company's sales and marketing efforts in generating revenue. It is typically calculated by dividing the company's total sales or revenue by the amount of money that it spends on sales and marketing efforts. This metric can be useful for companies to evaluate the efficiency of their sales and marketing activities, and to identify areas for improvement. A high level of sales and marketing efficiency indicates that a company is able to generate a significant amount of revenue from its sales and marketing efforts relative to the amount of money that it spends. This can be a sign of a strong and effective sales and marketing strategy.