Our Methodology

Strategic planning session at Meridian Advisory Group

"Strategy without methodology is merely wishful thinking."

The Meridian Difference

Where Rigour Meets Impact

At Meridian Advisory Group, we believe that genuine transformation is never accidental. Our methodology is the product of 17 years of refinement, drawing from global best practice in coaching, organisational psychology, and leadership science.

Every engagement we undertake is guided by the Meridian Method — a four-stage framework that balances intellectual rigour with practical application. We do not subscribe to a one-size-fits-all approach; instead, we tailor every phase to the specific context, culture, and ambitions of each client.

The result is a deeply personalised, measurable journey that begins with honest diagnosis and culminates in embedding new capabilities that endure well beyond our engagement.

The Meridian Method

Four Stages to Lasting Change

Each stage is carefully sequenced to build on the last, creating a coherent arc from initial discovery through to embedded, sustainable transformation.

Discover & Diagnose

Every meaningful intervention begins with an honest, unflinching look at the current state. We conduct immersive discovery sessions with key stakeholders, combining psychometric assessments, 360° feedback, and structured interviews to build a comprehensive picture of leadership strengths, blind spots, and organisational dynamics. This diagnostic rigour ensures we are addressing root causes rather than surface symptoms. Our consultants bring both analytical precision and psychological safety to this phase, enabling individuals and teams to engage with candour and confidence.

Psychometrics Stakeholder Interviews 360° Feedback Systems Mapping

Design & Align

Armed with diagnostic insights, we co-create a bespoke development plan that is ambitious yet achievable. This collaborative design phase ensures complete alignment between the individual's goals, team aspirations, and broader organisational strategy — a triangulation that dramatically increases the likelihood of sustained impact. We work closely with HR directors, board sponsors, and key stakeholders to build a programme architecture that is properly resourced and genuinely endorsed at every level. Nothing is imposed; everything is co-authored, ensuring authentic commitment from the outset.

Co-creation Goal Architecture Stakeholder Alignment Programme Design

Deliver & Develop

The delivery phase is where insight becomes action. Our senior consultants work with clients through a blend of one-to-one coaching sessions, group facilitation, peer learning sets, and real-time workplace challenges specifically designed to accelerate growth. We employ a range of evidence-based techniques — from cognitive-behavioural approaches and somatic awareness to systemic coaching and Immunity to Change methodology — selecting the most effective tools for each individual and context. Progress is tracked continuously against agreed success metrics, with regular check-ins ensuring momentum is maintained and course corrections are made swiftly when needed.

Executive Coaching Group Facilitation Peer Learning Action Learning

Embed & Evaluate

Transformation is only real when it endures. Our final stage focuses on institutionalising new behaviours, leadership practices, and cultural norms so that change does not dissipate once our direct involvement concludes. We work with organisations to build internal coaching capability, design peer accountability structures, and create the conditions for continuous development to thrive from within. A comprehensive evaluation framework, including pre-and-post assessment data, stakeholder feedback, and ROI analysis, provides clear, credible evidence of impact and informs future development priorities.

Sustainability Planning Internal Capability ROI Measurement Impact Reporting

Intellectual Foundations

Underpinning Frameworks

Our methodology is grounded in the most robust and well-validated bodies of knowledge in the behavioural and social sciences.

Positive Psychology

Drawing on Seligman's PERMA model and the science of flourishing, we focus on amplifying strengths rather than merely remediating weaknesses. This approach fosters intrinsic motivation, resilience, and authentic leadership identity — qualities that drive sustained high performance in complex organisational environments.

Systems Thinking

Leaders do not operate in isolation — they are embedded within complex, adaptive systems. Our systems-thinking lens enables clients to understand the interconnections, feedback loops, and unintended consequences inherent in organisational life, developing the strategic clarity needed to effect meaningful change at scale.

Behavioural Science

Insights from cognitive psychology, neuroscience, and behavioural economics inform how we design interventions that work with — rather than against — the natural tendencies of the human mind. We understand that lasting behaviour change requires addressing both conscious intentions and unconscious patterns of thought and action.

Adult Learning Theory

Grounded in Kolb's Experiential Learning Cycle and Mezirow's transformative learning framework, our programmes are designed to respect the wisdom and experience adults bring to the learning environment. We create conditions for reflective practice, perspective transformation, and the construction of genuinely new mental models.

Assessment & Insight

Our Assessment Tools

We employ the world's most validated psychometric instruments to generate deep, actionable insight at the outset of every engagement.

Personality & Derailers

Hogan Leadership Suite

The Hogan suite provides an unparalleled window into leadership personality, encompassing three complementary inventories that assess day-to-day leadership style, potential performance risks under pressure, and core values and motivators. Together, these instruments provide a 360-degree view of leadership identity that forms the cornerstone of our individual coaching engagements.

Hogan Personality Inventory (HPI) Hogan Development Survey (HDS) Motives, Values, Preferences Inventory (MVPI) Validated against job performance globally

Multi-Rater Assessment

360° Feedback

Our bespoke 360° feedback process gathers structured, confidential input from direct reports, peers, managers, and key stakeholders — creating a comprehensive, multi-perspective view of leadership impact. The resulting data is analysed alongside self-perception scores to identify critical alignment gaps and development priorities, forming a powerful catalyst for insight and commitment to change.

Customisable competency frameworks Confidential multi-rater collection Narrative qualitative themes Expert debrief and coaching integration

Personality Type

MBTI & DISC

The Myers-Briggs Type Indicator and DISC behavioural profile are invaluable tools for building self-awareness and enhancing team dynamics. We use both instruments as developmental conversations rather than definitive labels — helping leaders understand their natural preferences, flexing styles, and the behavioural diversity they need to cultivate in their teams for peak collective performance.

Individual and team applications Communication style mapping Conflict resolution frameworks Team composition analysis

96%

Client satisfaction rate across all engagements

£2.8M

Average ROI delivered per enterprise engagement

500+

Senior leaders coached across 18 countries

Years of methodological refinement and practice

Evidence Base

Built on Proof, Not Promise

Our methodology is not founded on management fashions or consulting trends. Every element of the Meridian Method is grounded in peer-reviewed research and validated through the real-world outcomes of over 500 senior leaders across two decades of practice.

We are rigorous in our measurement. At the outset of every engagement we establish clear, quantifiable success criteria — agreed with clients, sponsors, and relevant stakeholders — and we hold ourselves accountable to delivering against them.

ICF-aligned coaching standards embedded across all engagements

Pre- and post-intervention psychometric assessment as standard

Kirkpatrick Level 4 evaluation with business impact quantification

Independent NPS tracking with transparent reporting to all clients

Longitudinal follow-up at 6 and 12 months post-engagement