The SaaS Magic Number is a ratio showing yearly recurring revenue growth gained for every sales and marketing dollar spent. It indicates the level of operational efficiency of a company, as well as the sustainability of sales and marketing expenditure.

R&D Productivity is a performance measure of how much new revenue is associated with dollars invested into R&D within a technology company.

Customer Concentration is the percentage of your revenue that comes from a single client.

Bookings is a key sales metric that is calculated by taking the total dollar value, including subscription, implementation, and discounts, that a customer has committed to spend for a product or service within a specified period.

Cash Conversion Score is used by investors to measure the return on invested capital for startups. It is calculated by dividing current ARR by the difference between total raised capital and cash on hand. Essentially, this metric gives the return on each dollar invested in a company.

EBITDA Margin is a financial ratio that measures a company's earnings before deducting non-operating expenses as a percentage of revenue. The calculation excludes accounting expenses such as interest, taxes, depreciation, and amortization to give an overall view of profitability.