--- title: Buy-and-Build - Definition & Examples | RGM® Glossary url: https://realgrowthmatters.com/glossary/buy-and-build/ updated: 2026-06-10 source_html: https://realgrowthmatters.com/glossary/buy-and-build/ --- Growth Glossary — Definition SHT BUY-AND-BUILD # Buy-and-Build PE strategy combining platform with add-ons. A working definition from the RGM marketing glossary. PE strategy combining platform with add-ons. Term : Buy-and-Build Field : Private Equity Category : Capital & Investing ## Definition in plain terms Read that twice.Buy-and-Build is a capital concept your team should define once. A loose definition misaligns budgets and reporting. PE strategy combining platform with add-ons. As a capital & investing term, Buy-and-Build means a capital concept. Settle what it covers before the planning starts. ## How it works Here is the short version.There is no single setting for Buy-and-Build. It bends to the audience, the channels, and the wider plan. Buy-and-Build is not a switch you flip. It names a moving idea, and the way it plays out shifts with the setup. A lean team running one paid channel applies Buy-and-Build differently than a brand running ten. Use Buy-and-Build loosely and teams pull apart; pin it down and the math lines up. One rule always holds. Settle the scope of Buy-and-Build up front, then build the plan. Get it backwards and Buy-and-Build becomes a word everyone uses and no one shares. Worth a slow read. ## The decisions it touches One idea, plainly put.Use Buy-and-Build when it changes a choice. If it is not driving a decision, it is vocabulary, not leverage. Buy-and-Build matters at the point of a decision. In capital & investing, three moments come up again and again. Outside them, Buy-and-Build is reference material. 1. **Setting budget.** Buy-and-Build marks where added spend will work hardest. 2. **Choosing a metric.** Buy-and-Build checks that the figure is not just noise. 3. **Comparing options.** Buy-and-Build adjusts a compare so the gap is honest. ## An example with real numbers Pick one definition.Below, Buy-and-Build is put inside a a Bessemer-tracked SaaS firm setting -- real trade-offs, a clear baseline, and a figure to test it. Take a Bessemer-tracked SaaS firm. During a rule-of-40 screen, the team made Buy-and-Build the deciding input, not an afterthought. They set a baseline first, agreed one definition of Buy-and-Build, and only then read the result: durable growth separated from cash-burn growth. The number matters less than the order. The numbers behind Buy-and-Build -- illustrative only, RGM analysis | Stage | The step taken | What it bought | | Baseline | Read the starting point before any change to Buy-and-Build. | Something concrete to compare to. | | Define | Agreed a single definition of Buy-and-Build. | Two people, one meaning. | | Act | A rule-of-40 screen — one variable. | One change, a clean read. | | Result | Durable growth separated from cash-burn growth | An outcome you can trust. | Treat the Buy-and-Build figures as illustrative, labeled RGM analysis. Reuse the sequence, not the digits. ## Pitfalls in practice Hold that thought.Most mistakes with Buy-and-Build share a root: the term gets reported as if it were exact when it is not. - **No segments.** Treating Buy-and-Build as one number for all. Break it out before you trust it. - **No context.** Reporting Buy-and-Build with no baseline. A bare number cannot be judged. - **Wrong target.** Treating Buy-and-Build as the goal. The goal is the outcome it predicts. - **Bad compares.** Benchmarking Buy-and-Build with no adjustment. Account for the model differences first. ## Questions teams ask What is Buy-and-Build? PE strategy combining platform with add-ons. Agree the scope of Buy-and-Build before the planning starts. Why does Buy-and-Build matter for marketers? Buy-and-Build matters because vague vocabulary breaks strategy. A precise, shared definition keeps a team aligned. How is Buy-and-Build used in practice? Buy-and-Build informs a decision -- most often a budget, a metric choice, or a comparison. The a Bessemer-tracked SaaS firm example above shows the pattern. Where do teams slip up on Buy-and-Build? Chasing Buy-and-Build as a goal and benchmarking it raw. Both bury the real trade-off underneath. Where can I go deeper on Buy-and-Build? Start with the related terms below, then read the guide on marketing mix modeling, plus marketing attribution models. What is Buy-and-Build? : PE strategy combining platform with add-ons. Agree the scope of Buy-and-Build before the planning starts. Why does Buy-and-Build matter for marketers? : Buy-and-Build matters because vague vocabulary breaks strategy. A precise, shared definition keeps a team aligned. How is Buy-and-Build used in practice? : Buy-and-Build informs a decision -- most often a budget, a metric choice, or a comparison. The a Bessemer-tracked SaaS firm example above shows the pattern. ### Where to go next ### Related terms