Mannaz
Business Coaches
Mannaz
132-140 Goswell Rd., London
# Mannaz: Leadership and Organisational Development Consulting
Mannaz is a London-based consulting firm specialising in transforming organisations and developing talent through bespoke competence development programmes. They work with professionals seeking to expand their capabilities—both personally and professionally—whilst helping organisations navigate complex change and build stronger leadership pipelines.
The firm serves ambitious professionals and organisations across industries who recognise that sustained competitive advantage comes from investing in people. Whether clients need to refresh their networks, deepen expertise in specific areas, or acquire new skills for career progression, Mannaz provides tailored guidance and structured programmes to facilitate genuine transformation.
What distinguishes Mannaz is their integrated approach combining one-to-one consulting advice with comprehensive programmes. Their senior leadership team brings extensive international experience, with consultants holding Vice President and Director-level roles, enabling them to advise at board and executive levels. They've built particular expertise in three interconnected areas: organisational development, leadership development, and talent management—treating these as interdependent rather than siloed disciplines. This holistic philosophy reflects their core belief that "everything starts with a conversation," emphasising diagnostic listening before prescriptive solutions.
The firm operates internationally but maintains a London presence, reflecting their commitment to the UK market whilst drawing on broader European consulting experience. Their team of eight senior consultants, led by CEO Marianne Egelund Siig, positions them as a specialist boutique rather than a generalist agency—quality-focused rather than volume-driven.
Mannaz is a London-based consulting firm specialising in transforming organisations and developing talent through bespoke competence development programmes. They work with professionals seeking to expand their capabilities—both personally and professionally—whilst helping organisations navigate complex change and build stronger leadership pipelines.
The firm serves ambitious professionals and organisations across industries who recognise that sustained competitive advantage comes from investing in people. Whether clients need to refresh their networks, deepen expertise in specific areas, or acquire new skills for career progression, Mannaz provides tailored guidance and structured programmes to facilitate genuine transformation.
What distinguishes Mannaz is their integrated approach combining one-to-one consulting advice with comprehensive programmes. Their senior leadership team brings extensive international experience, with consultants holding Vice President and Director-level roles, enabling them to advise at board and executive levels. They've built particular expertise in three interconnected areas: organisational development, leadership development, and talent management—treating these as interdependent rather than siloed disciplines. This holistic philosophy reflects their core belief that "everything starts with a conversation," emphasising diagnostic listening before prescriptive solutions.
The firm operates internationally but maintains a London presence, reflecting their commitment to the UK market whilst drawing on broader European consulting experience. Their team of eight senior consultants, led by CEO Marianne Egelund Siig, positions them as a specialist boutique rather than a generalist agency—quality-focused rather than volume-driven.
Services offered
Leadership development programmesOrganisational change managementTalent development consultingExecutive coachingCompetence assessmentsNetwork expansion strategyCareer transition guidanceBespoke training programmes