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      Sellers in secondary deals want to maximise the valuation credit for untapped integration synergies. But how can PE firms get comfort around the valuation?

      Based on data presented in KPMG’s Private Equity Landscape report, this article explores the gap between the information that sellers offer and the information buyers need in order to substantiate value adjustments. 

      Francesca Scott

      Partner – UK Head of Synergies

      KPMG in the UK


      The secondary market was hot in 2024

      Indeed, according to KPMG’s Private Equity Landscape report, the volume of secondary deals in the UK rose nearly 50 percent year-over-year in 2024 (total deal volume grew by just 25 percent). Overall deal values for secondaries jumped nearly 90 percent.

      However, valuation gaps still present a challenge to both sides. In efforts to address this, we are seeing secondary sellers start to show up to the deal table with their own synergy quantifications. They claim that there is still more value to be gained from integration of the asset itself. They present a few numbers to the deal team, and they hand it to the buyer’s financial due diligence experts in the hope that the entire number will be accepted as a value adjustment.

      We recently worked with a PE buyer in exactly this situation. The target had presented some data to suggest around £10 million in synergies could still be achieved through further integration of the asset. Our client asked our Synergy team to take an independent, expert look – could it be more, could it be less? In the end, it was less - much less, meaning that we could only get comfortable with approximately 25% of this – which supported our client to make a much more informed decision about the valuation and future operational execution risk.

      In part, the lesson here is for buyers: even when you do not plan to integrate a target into an existing asset, it is still important to consult with synergy experts when doing secondary deals. There are also lessons for sellers: be rigorous and detailed when quantifying synergy value to present to a potential buyer (or lender) to ensure the numbers stack up.

      UK mid-market deal volumes by sector

      Graph showing UK all PE deal volumes by deal type

      Close the gap

      With an increasing number of secondary deals coming to market, expect to see more buyers and sellers focusing on quantifying synergy value. At KPMG, our team of synergy experts work with both buyers and sellers to help assess and unlock value in secondary deals. Based on our experience, here are three tips that could help close the gap from both sides of the table.

      • Get out ahead

        Start quantifying the synergy value early. If you are the buyer, that means not waiting until the back end of the due diligence process to bring in a synergy expert. For the seller, that means taking the time to think about whether or not there will any latent synergies in the asset at exit and what this means in terms of value.

      • Get down into details

        Sellers should strive to ensure that evidence of realised and future expected synergy value is well quantified and documented. Buyers should demand robust data to prove the thesis. On many occasions, we’ve seen synergy plans that consist of little more than a handful of slides and ballpark estimates. This not only elongates the due diligence process, it also creates trust issues between buyers and sellers which do little to close the valuation gap.

      • Get real

        We have seen estimates that grossly overplay the value and those that grossly underplay the cost of integration and synergy realisation. While it is good to be bullish, buyers (in particular) will want to ensure they are being practical about what can actually be achieved and at what cost. We recently examined one asset where the synergy values held, but the estimated one-off implementation costs to realise these were presented as being about a quarter of what they would be in reality – which materially impacted the valuation.


      Capturing value 

      With the KPMG Private Equity Landscape report calling for increased deal volume in 2025, we expect to see continued high levels of secondary deals in the market, many of which will have unrealised value for the buyer to unlock. Expect to see the more sophisticated PE buyers and sellers ramp up their focus on synergies and build stronger relationships with specialist external advisors over the coming years. 


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      Our people

      Francesca Scott

      Partner – UK Head of Synergies

      KPMG in the UK

      Samantha Singer
      Samantha Singer

      Associate Director, Deals Advisory

      KPMG in the UK

      Matthew Scriven Baker
      Matthew Scriven Baker

      Associate Director, Deals Advisory

      KPMG in the UK


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