No 4
Business Coaches
No 4
4 Hamilton Cl, London
# No 4 – Board Advisory & Executive Coaching
No 4 is a specialist advisory firm founded by Jan Hall, offering bespoke guidance to senior leaders and boards within major organisations. The firm provides strategic counsel during pivotal moments—whether through formal board evaluation, leadership transitions or organisational challenges—drawing on over 20 years of board-level experience across FTSE companies and institutions.
The business serves Chairman, CEOs and senior leadership teams at blue-chip organisations including Shell, HSBC, GSK, the BBC and NHS England. Their client base spans commercial enterprises, public institutions and not-for-profit organisations, reflecting the universal relevance of the firm's expertise.
No 4 distinguishes itself through unwavering discretion and confidentiality, a hallmark of Jan's approach. Rather than generic frameworks, the firm conducts confidential conversations with board members and senior teams to identify blockers and enablers specific to each organisation's context. The resulting insights are delivered with analytical rigour, emotional intelligence and appropriate directness—balanced to be both challenging and constructive.
Client testimonials emphasise the exceptional quality of board reviews and the transformative nature of coaching relationships. Feedback consistently highlights Jan's ability to synthesise complex business and interpersonal dynamics, combine strategic perspective with practical wisdom, and earn trust through demonstrable understanding of each client's unique circumstances.
The firm's positioning as a trusted external voice—neither internal advocate nor distant consultant—underpins its value proposition for navigating transformation, succession and strategic realignment.
No 4 is a specialist advisory firm founded by Jan Hall, offering bespoke guidance to senior leaders and boards within major organisations. The firm provides strategic counsel during pivotal moments—whether through formal board evaluation, leadership transitions or organisational challenges—drawing on over 20 years of board-level experience across FTSE companies and institutions.
The business serves Chairman, CEOs and senior leadership teams at blue-chip organisations including Shell, HSBC, GSK, the BBC and NHS England. Their client base spans commercial enterprises, public institutions and not-for-profit organisations, reflecting the universal relevance of the firm's expertise.
No 4 distinguishes itself through unwavering discretion and confidentiality, a hallmark of Jan's approach. Rather than generic frameworks, the firm conducts confidential conversations with board members and senior teams to identify blockers and enablers specific to each organisation's context. The resulting insights are delivered with analytical rigour, emotional intelligence and appropriate directness—balanced to be both challenging and constructive.
Client testimonials emphasise the exceptional quality of board reviews and the transformative nature of coaching relationships. Feedback consistently highlights Jan's ability to synthesise complex business and interpersonal dynamics, combine strategic perspective with practical wisdom, and earn trust through demonstrable understanding of each client's unique circumstances.
The firm's positioning as a trusted external voice—neither internal advocate nor distant consultant—underpins its value proposition for navigating transformation, succession and strategic realignment.
Services offered
Board ReviewsCEO Coaching and MentoringGroup CEO Succession PlanningLeadership Transition AdvisoryOrganisational Change GuidanceBoard Effectiveness AssessmentExecutive MentoringStrategic Leadership Consultation