Buy-and-Build Strategy

A buy-and-build strategy is an investment approach in which a financial investor – usually a private equity firm – first acquires a so-called platform company and then systematically expands it through further acquisitions (add-on acquisitions). The goal is to consolidate a fragmented market into a significantly larger, more competitive player that commands a higher valuation multiple at exit than the sum of its individual parts cost to acquire.

What is a buy-and-build strategy?

In a buy-and-build strategy, the process begins with the acquisition of a platform company, which does not necessarily have to be the largest player in its market but does need a stable earnings base, a scalable business model, and a management team willing to support growth. On this foundation, further – typically smaller – companies from the same or an adjacent industry are then acquired and integrated into the platform, with the aim of building a consolidated market leader over several years.

What distinguishes the platform company from the add-on acquisitions?

The platform company forms the strategic and operational anchor of the entire strategy: it provides the management infrastructure, market position, and often the financing base for further growth. Add-on acquisitions, by contrast, are typically smaller purchases made to close specific gaps – for example, additional locations, complementary products, or access to new customer groups – and are organizationally integrated into the platform after acquisition.

Why is multiple arbitrage so important for buy-and-build strategies?

A central economic lever of the strategy is so-called multiple arbitrage: smaller add-on companies are typically traded at lower valuation multiples in the market than larger, established platform companies. When such an add-on is integrated into the platform, its earnings contribution is immediately valued at the platform's higher multiple – a value increase that arises even before any operational improvement or synergy realization takes place. This effect also allows financial investors to justify higher purchase prices in auction processes, keeping them competitive against strategic buyers.

What synergies can be realized through a buy-and-build strategy?

Beyond multiple arbitrage, the strategy targets classic synergy effects: revenue synergies arise, for example, through geographic expansion, cross-selling between the customer bases of the individual companies, or stronger brand recognition. Cost synergies result from consolidating administrative functions, eliminating redundant structures, or gaining stronger negotiating leverage with suppliers. If integration succeeds, the platform additionally benefits from economies of scale and stronger pricing power.

What success factors and risks should be considered in a buy-and-build strategy?

The success of a buy-and-build strategy depends largely on three factors: a target market that is sufficiently fragmented yet fundamentally capable of growth, a stable and resilient platform, and a disciplined integration process for each individual add-on acquisition. A structurally weak platform company cannot be fixed through further acquisitions. On the contrary, existing weaknesses are often reinforced by the added complexity. As the number of add-ons grows, demands on management capacity also increase; if integration falls behind the pace of acquisitions, there is a risk of ending up with a confusing conglomerate of individual companies rather than a genuinely integrated platform.