6 Proven Rules of C-Suite Succession Planning
May 6, 2026 – As leadership transitions become more frequent and stakes continue to rise, boards are facing increasing pressure to ensure continuity at the top. Yet many organizations remain underprepared, exposing themselves to significant operational and financial risk when succession is left unaddressed. The gap between those that treat succession as a strategic priority and those that view it as a contingency plan is becoming more pronounced across the market.
In 2025, most of those organizations reported having no viable internal candidate to replace their CEO should they exit tomorrow, according to a recent report from The Taplow Group. “Companies scrambling to replace a CEO without a plan forfeit an average of $1.8 billion in shareholder value,” it said. “That is not an HR problem. That is a governance failure. The organizations that get C-suite succession planning right don’t just plan better; they plan differently. They think differently.”
The Taplow Group offers six rules that separate them from the rest.
Rule 1: Plan for the Leader You’ll Need, Not the One You Have.
Candidates’ correspondence to the immediate predecessor executive, thereby creating a mirroring profile of the executive, is the most frequent error in succession, according to The Taplow Group report. It certainly feels safe, but rarely works.
“Leading boards now develop scenario-based succession frameworks, mapping plausible business environments over the next five to seven years and defining the leadership competencies required to navigate each one,” the study said. “The goal is to avoid being caught off guard by it.”
Rule 2: Widen the Pipeline, Now, Not When You Need It.
Half of next generation C-suite leaders are showing interest in leaving their current employer. “Increasing job-hopping rates among middle-level talent with high potential, combined with reduced staffing in middle management, have helped whittle the bench down,” The Taplow Group report said. “Organizations that take their time to evaluate their pipeline will not have any.”
Rule 3: Connect Development to Progression, Not Just Experience.
Most organizations invest in leadership development, according to The Taplow Group report. “Fewer do it well,” it explained. “Just one-third of next-generation C-suite leaders believe their top leadership team is a role model of the right culture and behaviors.”
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“Best-performing organizations go a step further; they not only make the development career-related and visible but also do so systematically,” the report continued. “Development for its own sake doesn’t retain ambition. A clear path forward does.”
Rule 4: Go Beyond the CEO Slot.
Succession planning focused solely on the chief executive is no longer sufficient, and institutional investors are saying so, The Taplow Group report explained. “Boards should adopt an earlier, broader, and deeper focus across the C-suite, rather than focusing on only one to three CEO candidates,” the search consortium noted. “The entire senior leadership bench is a strategic asset. Treat it accordingly.”
Related: How Boards Can Identify and Develop the Right CEO Successors
Rule 5: Stress-Test Your Candidates Before a Crisis Does.
Recruiters also say that a candidate who looks exceptional in a committee room may crumble in a board crisis. “The majority of organizations are unaware until it is too late,” The Taplow Group report stated. “The best practice boards include live exposure, stretch assignments, controlled assessments with bias settings, and succession drills that simulate a fake transition situation. Successors must remain visible and stress-tested to prevent destabilizing leadership transitions. The goal is not to find the perfect candidate. It is to know, with confidence, how your candidates perform under pressure.”
Rule 6: Have the Transparency Conversation.
This is the rule most boards resist, The Taplow Group explained. “It is also the one with the highest cost of avoidance,” the study said. “Ambiguity accelerates that decision. Organizations that name internal candidates, deliberately share timelines, and create structured conversations around advancement retain their future leaders. Secrecy signals a dead end. Candor builds commitment.”
Leaders who treat CEO and C-suite succession as a continuously active, enterprise-wide priority consistently report greater confidence in their leadership pipeline and stronger financial performance than peers. “Succession planning is not a contingency exercise. It is a competitive discipline,” The Taplow Group report concluded. “The organizations that have internalized this are already developing the leaders the rest of the market will scramble to hire. The question for every board is not do we have a succession plan? It is: Is our plan good enough for what comes next?”
Established in 2002, The Taplow Group has locations across six continents in 21 countries. Its partner firms offer executive search, human capital, board advisory, and executive interim services across multiple industry sectors. The Taplow Group is present in Europe, America, Africa, Oceania, and Asia-Pacific, with 45 offices. Countries covered include: Australia, Brazil, China, Denmark, Finland, France, Germany, Luxembourg, India, Italy, New Zealand, Norway, Russia, Singapore, South Africa, Spain, Sweden, the U.K., and the U.S.
Related: What Is Succession Planning and Why Does Your Company Need It Now More Than Ever?
Contributed by Scott A. Scanlon, Editor-in-Chief and Dale M. Zupsansky, Executive Editor – Hunt Scanlon Media
