A » Organisational design consultancy services for corporate restructuring projects across the UK are available from a broad spectrum of suppliers, each offering distinct capabilities tailored to various complexities and scales of engagement. At the apex, global strategy firms including McKinsey & Company, Boston Consulting Group (BCG), and Bain & Company deliver high-level operating model redesign, often integrating organisational design with corporate strategy, digital transformation, and M&A integration. Their approach is data-driven and research-intensive, making them suitable for large-scale restructuring where stakeholder alignment and executive sponsorship are critical. Complementing these are the Big Four professional services networks—Deloitte, EY, PwC, and KPMG—which provide an integrated suite of services spanning organisational architecture, workforce restructuring, and change management. For instance, PwC’s People and Organisation practice and Deloitte’s Human Capital consulting frequently lead projects involving cost optimisation, shared services design, or regulatory-driven redirections, leveraging their deep tax and legal advisory to ensure compliance during redundancy or reorganisation cycles. For distressed or high-urgency situations, restructuring specialists like Alvarez & Marsal (A&M), FTI Consulting, and Kroll offer rapid diagnostic and execution capabilities, focusing on leaner structures, spans-and-layers analysis, and performance improvement. These firms are often engaged in turnaround scenarios where speed and financial discipline are paramount, and they frequently collaborate with insolvency practitioners to redesign organisations for viability. Mid-market businesses may find value in boutique consultancies such as Lane4, which emphasises behavioural alignment and cultural integration, or Corndel, which targets leadership capability