In specialty chemicals and industrial-adjacent businesses, succession rarely collapses in one boardroom vote. More often it drifts. A critical seat is covered "for now." The interim brief stretches. Decisions that need a permanent owner get parked. Customers, plants, and capital programmes keep moving while the organisation pretends the gap is temporary.
That pattern is not a soft people theme. Deferred succession is operating risk. When leadership continuity is left open-ended, technical businesses pay in decision lag, knowledge loss, and reactive hiring under pressure.
Intent is cheap. Readiness is not
Most senior teams say succession matters. Far fewer can show they are ready when a seat actually opens.
Deloitte's research on leadership succession planning found that while 86% of leaders rate succession as an urgent or important priority, only 14% believe their organisations do it well. The gap between belief and delivery is where interim cover tends to become the quiet plan.
UK evidence from June 2026 points the same way. Newman Stewart reported that 61% of businesses surveyed still lacked a comprehensive succession strategy for senior roles, and that 22% of that group said succession was not part of business strategy at all. Their commercial framing was direct: leadership gaps create delays in decision-making, loss of knowledge, and disruption to growth, especially where roles are specialised and hard to replace.
At CEO level, Korn Ferry's 2025 succession study (anchored on France's SBF 120, with wider Europe and Middle East comparison) found that 50% of successions in the analysed cohort were unplanned, up from 43% in 2023, and that 33% of CEO appointments were interims. Those figures are not chemicals-specific. They still matter as a readiness signal. Unplanned transitions and interim appointments are common enough that boards should treat open-ended cover as a governance failure mode, not a rare exception.
Why technical businesses feel the delay harder
Specialty chemicals and industrial operations amplify succession delay because judgement is cumulative and local.
A commercial lead who understands how customers fail formulations in the field, a plant leader who can hold safety and output in the same conversation, or a technical head who knows which scale-up trade-offs survive the plant: these people are not interchangeable with a generic interim CV. When they leave without a prepared successor, the business does not only lose a title. It loses years of operating memory.
Chemical Industry Journal, drawing on Heidrick & Struggles' chemicals-sector analysis, has described a depleted leadership pipeline shaped by long periods of thin recruitment. In that analysis, 61% of current chemicals CEOs were hired internally. Internal preference is not wrong. It becomes fragile when the bench two or three layers down has never been developed with enough range, customer exposure, or honesty about who is truly ready.
Interim leadership can still be the right bridge when it is deliberate: a named purpose, a fixed horizon, and a parallel search or development track. It becomes expensive when it is hope dressed as prudence. "We will revisit succession after the budget round" is how a short cover assignment becomes the operating model.
Where the commercial damage shows up
Deferred succession rarely announces itself as a crisis. It shows up as familiar operating symptoms.
Decision lag is the most visible. Interim leaders are often mandated to keep continuity, not to make contested calls on portfolio, footprint, or customer risk. Stakeholders wait for "the permanent person." Projects slip without a single dramatic failure.
Knowledge walk-outs follow close behind. In process businesses, a surprising amount of continuity lives in one or two heads: key customer politics, site history, supplier constraints, regulatory quirks. If handover is thin because succession was never designed, that knowledge leaves with the person.
Then comes reactive hiring. When the seat finally becomes undeniable, the brief is written under pressure, the market is approached late, and compensation gets inflated to buy speed. Newman Stewart's point about reactive hiring being time-consuming and costly matches what many retained searches already feel like when succession has been postponed until there is no choice.
There is also a quieter cultural cost. High-potential people notice when the organisation will not talk honestly about who is next. They either stop stretching, or they leave for a business that will.
Treat the bridge as infrastructure, not a pause
CHROs, Talent Partners, and senior line leaders who treat succession as commercial infrastructure tend to do a few unfashionable things consistently.
They name critical seats early, including plant-adjacent and technical-commercial roles that never appear on a glossy CEO succession slide. They separate emergency cover from planned succession, so an interim appointment has a purpose and an end date. They look at least two or three layers down, not only at the obvious deputy.
They also pressure-test readiness with evidence, not loyalty. Time in role is not the same as readiness for the next mandate. In chemicals and industrial markets, that means checking site credibility, customer exposure, P&L ownership, and the ability to lead through a messy transition.
External mapping sits alongside internal benches. If the internal slate is thin, that is information, not failure. A retained search or structured market map can show what "good" looks like outside the building before a crisis forces a scramble. The mistake is waiting until the interim has already normalised drift.
Finally, they connect succession to the commercial calendar. Product launches, site investments, PE hold periods, and customer renewals all change how expensive a leadership gap becomes. Succession timing should follow those stakes, not the comfort of waiting for a quieter quarter.
An interim without a succession clock is not a bridge. It is deferred risk wearing a temporary badge.
A sharper question before the next transition
Before the next director or VP move in a technical business, ask a harder question than "Do we have a name on a slide?"
Ask: if this seat went empty on Monday, would we have a prepared successor, a deliberate interim with a clock, or a scramble that customers and operators would feel within weeks?
If the honest answer is scramble, succession is already late. Interim cover may still be necessary. It should not be allowed to pretend it is a strategy.
Trillium Search works across chemicals, industrial, automotive, and ingredients markets where leadership continuity is tightly tied to operating reality. Our view is practical. Treat deferred succession as commercial risk. Design the bridge, or you will live inside it.
Related reading: The M&A wave in chemicals: why leadership continuity is your real risk
Sources
- Deloitte Insights: The holy grail of effective leadership succession planning (86% urgent/important; 14% believe they do it well)
- Newman Stewart / ResponseSource press release (24 June 2026): Businesses exposed to operational risk as succession planning gaps persist (61% without comprehensive strategy; 22% of that group say succession not in strategy)
- Korn Ferry: Annual Report on CEO Succession Planning Trends / 2025 CEO Succession Study (50% unplanned successions; 33% interim CEO appointments in analysed SBF 120 / EMEA cohort)
- Chemical Industry Journal (Louis Besland, Heidrick & Struggles): The next chemicals CEO: Three strategies for succession in the sector (5 August 2024; 61% internal hire share and pipeline context)
- Heidrick & Struggles primary: The next chemicals CEO: Three strategies for CEO succession in the sector (18 July 2024)
- Korn Ferry: A New View on Emergency Succession (interim readiness framing)
