nexfibre/Substantial CMA inquiry: what it signals for UK fibre M&A
In short: The CMA opened its invitation to comment on the £2 billion nexfibre/Substantial transaction on 23 April 2026. The case is in pre-notification; the statutory 40-working-day Phase 1 clock has not started. The deal is publicly targeted at Q3 2026 completion; that timeline carries real Phase 2 risk, and mandatory NSI Act 2021 notification…
