MRR (Monthly Recurring Revenue)
The predictable revenue a subscription business earns each month.
MRR sums all recurring subscription revenue normalised to a monthly figure. It is the heartbeat metric for SaaS, showing growth, momentum and predictability. Related terms include new MRR, expansion MRR, churned MRR and net new MRR.
Examples
100 customers paying £50/month gives £5,000 MRR. — A SaaS startup grows from £2k to £10k MRR in six months.
How it relates to The Startup Foundry
Traction metrics like MRR feed directly into the Business Opportunity and Scalability pillars of your Investability Report.