Post-M&A due diligence is critical to ensure that the merger achieves its intended goals and creates value for stakeholders. It’s important to remember that due diligence doesn’t end when the deal closes. It’s an ongoing process that can determine the long-term success of the merger or acquisition. Measuring the success of M&A transactions and conducting post-merger due diligence are both critical components of the M&A process. For example financial Performance, one of the most direct ways to measure success is through financial metrics such as revenue growth, profitability, and return on investment. Another example might be market share. Successful M&A could lead to an increased market share. If one of the goals was to dominate or significantly influence a market, measuring market share before and after the merger is crucial.