Why Does Value Erode in M&A Before Integration Even Begins?

    Why Does Value Erode in M&A Before Integration Even Begins?
    Simone Vascotto··4 min read

    Most companies do not lack ideas for improving EBITDA.

    Management teams and investors are well versed in the standard levers. Pricing initiatives are identified. Procurement savings are mapped. Headcount rationalisation, vendor consolidation, and operating efficiency programs are discussed, modelled, and often executed.

    Yet despite repeated efforts, EBITDA improvement frequently plateaus.

    When this happens, the question that surfaces, usually late in the ownership period, is predictable:

    Which EBITDA levers should we pull next?

    By the time this question is asked, the true constraint on value creation is rarely the absence of levers. It is that the organisation is already operating against execution assumptions that were never examined.

    EBITDA Rarely Disappears. It Gets Constrained.

    EBITDA erosion is often described as loss. In practice, it is more accurate to describe it as constraint.

    Hidden EBITDA is not value that has vanished. It is value that cannot be accessed because the organisation cannot reliably deliver what the numbers require.

    The constraint typically sits in deeply embedded beliefs about how the organisation actually functions:

    • how decisions are made and escalated
    • who truly owns outcomes
    • how conflict is resolved or deferred
    • how behaviour changes under pressure

    These beliefs are rarely explicit. They are inherited, normalised, and defended as "how things work here."

    As a result, leadership teams can align comfortably on financial forecasts while holding very different, unspoken assumptions about what execution will demand in practice.

    That gap is where value quietly erodes.

    The Real Constraint Is Not the Lever, but the Assumption Behind It

    In underperforming organisations, margin pressure is often attributed to external or structural factors: industry economics, market maturity, competitive intensity, or the timeline of an ongoing transformation.

    Management believes execution will improve with time. Sponsors believe performance will arrive with the next initiative.

    Both positions may be well intentioned, and still wrong.

    The issue is not a lack of operational levers. It is that execution risk has already been embedded into the business through untested assumptions about how work gets done.

    Those assumptions effectively cap EBITDA before any lever is pulled.

    Execution Risk Is Behavioural, Not Conceptual

    Execution rarely fails because strategy is unclear.

    It fails because behaviour under pressure diverges from expectation.

    When execution assumptions go unexamined, predictable patterns emerge:

    Under the Hood of M&A

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    • decisions slow without a visible bottleneck
    • ownership becomes interpretive rather than explicit
    • work is revisited, reworked, and reapproved
    • accountability diffuses across functions
    • momentum erodes incrementally

    None of this appears immediately in the financials.

    It appears first in behaviour.

    This is why EBITDA erosion often feels sudden. By the time margins visibly compress, execution risk has already compounded beneath the surface.

    Why Pulling EBITDA Levers Often Fails to Stick

    When execution risk is embedded in the operating system, operational initiatives struggle to sustain impact.

    Cost reductions resurface elsewhere. Efficiency gains decay over time. Growth initiatives stall after launch. Activity increases, but outcomes do not.

    The levers themselves are not flawed.

    They fail because they are applied on top of behavioural systems that cannot consistently support them.

    The result is a familiar cycle: short-term improvement followed by regression, often interpreted as insufficient effort rather than a structural constraint.

    The Harder Work: Breaking the Story Before Pulling the Lever

    Unlocking hidden EBITDA is not primarily an operational exercise.

    It is a cognitive one.

    It requires identifying which internal story the organisation is telling itself that no longer holds true. Often, this story sits around:

    • decision speed
    • leadership alignment
    • accountability clarity
    • how execution actually functions under pressure

    This work is uncomfortable because it challenges identity, not just performance. It exposes gaps between how the organisation believes it operates and how it behaves when outcomes are at stake.

    That discomfort is precisely why this work is often deferred.

    Yet until those assumptions are surfaced and tested, execution risk remains invisible, and EBITDA remains constrained.

    EBITDA Is an Outcome, Not a Starting Point

    EBITDA expansion is rarely a lever-identification problem.

    It is an execution reliability problem.

    Margins improve when organisations align how work actually happens with what the financial model assumes. This requires:

    • clarity on decision ownership
    • alignment at the leadership level before pressure exposes gaps
    • removal of friction where execution truly breaks down

    EBITDA does not disappear.

    It hides behind the story the organisation tells itself about how execution works.

    The role of serious value creation is not to pull levers faster. It is to decide which story must break first.