CRM — customer relationship management — is a term founders encounter frequently as their business grows and the volume of customer interactions, prospects, and follow-ups becomes difficult to manage manually. Understanding what a CRM is, what it does, and when a business genuinely needs one helps founders make an informed decision about whether and when to invest in this category of software.

A CRM is a software system that centralises information about customers, prospects, and business relationships — tracking interactions, managing sales pipelines, recording communication history, and helping a business stay on top of follow-ups and relationship management at scale. It replaces the spreadsheets, email threads, and notes apps that most early-stage businesses use to manage contacts and deals, providing a single shared view of every relationship accessible to the whole team.

Not every business needs a CRM from day one — a spreadsheet is often sufficient at the earliest stages. The trigger is typically when contacts and follow-ups become difficult to track without things falling through the cracks, or when a sales team needs shared pipeline visibility. Our guide to CRM for UK founders covers how to assess whether you need one and how to choose between the main options.