What happened

Building materials distributor SIG has announced that chief financial officer Simon Kesterton will become chief executive on 1 May 2027, Building and Construction Wave reported this week. Current chief executive Pim Vervaat will move to non-executive chair on the same date. The move follows the timetable SIG set out in 2025, when Vervaat took the top job with an understanding that he would hand over roughly 18 months later.

Kesterton joined SIG as CFO in May 2026 after five years as finance chief at Kier Group, where he was one of chief executive Andrew Davies's first appointments as the contractor rebuilt its balance sheet from 2019 onwards. SIG's shares rose 8.4% on the announcement. The succession is tied explicitly to the company's Vision 2030 plan, which targets £100m of cash generation by the end of 2027 and a £50m run rate operating profit improvement by mid-2028. The board has started a search for SIG's next CFO.

Why it matters

This is a distributor reaching into the contractor world for the discipline it wants at the top, and the market's reaction suggests investors read it the same way. Kesterton's reputation was built steadying Kier's finances through a period of heavy debt reduction and disposals, and SIG is now betting that the same skill set, applied to cash generation and margin, is what a materials distributor needs heading into 2027. It is a reminder that the traffic between main contracting and the supply chain runs in both directions: contractors have been hiring distribution and manufacturing executives for years, and now a major distributor has gone the other way for its next chief executive.

What it means for careers and hiring

The immediate, concrete opening is SIG's own CFO search, now live. It is the kind of role that would suit a divisional finance director from a contractor or distributor with a credible turnaround or cash-generation story behind their name, not necessarily a sitting group CFO.

More broadly, this is worth noting if you are a commercial director or finance leader inside a main contractor eyeing a move. Materials and distribution businesses are increasingly comfortable recruiting leadership straight from contracting, valuing the experience of managing margin under pressure over sector-specific distribution knowledge. If your contracting career has involved steering a business through a genuine cash or debt problem, rather than just reporting good numbers in a good market, that story now carries real weight with distributors looking for their next CFO or commercial director, not just with other contractors.