Leadership · Culture · Performance
Transforming Culture.Delivering Performance.
Building high-performing organisations through people, culture and leadership.
- Integrity
- Clarity
- Consistency
- Confidence
Our perspective
Most organisations don’t struggle because of poor strategy. They struggle because culture doesn’t support delivery.
We address that gap directly.
Tulliallan Consultancy is a business consultancy focused on unlocking organisational performance through leadership, culture and behavioural change.
We work with organisations operating in complex, high-stakes environments where performance, safety and reliability are non-negotiable.
Sectors we serve
- Oil & Gas
- Mining
- Energy & Renewables
- Construction
- Manufacturing
- Policing & Protective Services
- Public Sector
What we do
Closing the gap between strategy and execution
We focus on the human factors that drive results. High-performing organisations don’t happen by chance. They are built through aligned leadership, strong culture and disciplined execution.
Culture & Performance Diagnostics
Insight into how your organisation truly operates, not just how it appears on paper.
Leadership Development & Alignment
Equipping leaders to drive clarity, accountability and consistent decision-making.
Team Performance
Strengthening collaboration, communication and execution at every level.
Behavioural Change & Safety Leadership
Embedding the habits and mindsets that underpin sustainable performance.
Coaching & Capability Building
Developing internal strength so improvement continues long after we leave.
How we work
A structured, practical approach focused on outcomes
- 01
Understand
We diagnose culture, leadership and performance dynamics.
- 02
Design
We build tailored coaching, training and programmes to support high performance and culture.
- 03
Deliver
We work alongside your teams to implement change.
- 04
Embed
We make sure capability is sustained internally.
Our Organisational Performance Engine
When these elements are in place, performance follows
Our coaching and training packages centre on the five elements that consistently define high-performing organisations. Select one to see what it looks like in practice.
Leadership Effectiveness
Leaders who set direction, model behaviours and create accountability at every level.
Team Alignment
Teams operating with shared priorities, strong collaboration and collective ownership of outcomes.
Trust & Openness
An environment where people speak up, challenge constructively and act with confidence.
Information Flow
Clear, timely and accurate communication that enables better decisions and reduces risk.
Strategic Clarity
A shared understanding of goals, priorities and what success looks like.
- AssessmentWhere you are now
- MonitoringTraining, coaching and observations
- Leadership Visioning WorkshopsWhere you’re going next
Our programmes
Six programmes, built around the Performance Engine
Each programme is tailored to your organisation’s context and goals. Use one on its own or combine them into a longer development journey.
- 01
Leadership Excellence
Leadership Development & Executive Coaching
Develop confident, capable leaders who drive performance and set the standard for others. Targeted workshops combine with 1:1 coaching to strengthen leadership capability, decision-making and behavioural impact at every level.
- 02
Team Performance & Trust
Team Cohesion & Psychological Safety
Build aligned, high-performing teams grounded in trust, openness and shared accountability. The programme enhances collaboration, strengthens team dynamics and creates an environment where individuals contribute with confidence.
- 03
Safety Leadership & Behaviour
Safety Leadership & Behavioural Interventions
Embed a culture where safety is driven by leadership and reinforced through everyday behaviours. Leaders develop their ability to influence safe performance while practical behavioural interventions reduce risk.
- 04
Culture Insight & Benchmarking
Cultural Assessment & Measurement
Gain a clear, data-driven understanding of your organisation’s culture and performance. Structured diagnostics and benchmarking tools identify strengths, gaps and priorities to inform targeted improvement.
- 05
Strategic Alignment
Shared Vision & Leadership Alignment
Create clarity, consistency and alignment at leadership level. Leaders come together to define shared priorities, align behaviours and set a unified direction across the organisation.
- 06
Performance Intelligence
Performance Insight & Feedback Mechanisms
Turn insight into action through structured feedback and performance visibility. We establish effective mechanisms to gather, interpret and act on data, enabling better decisions and continuous improvement.
Built on experience
Shaped in environments where getting it right really matters
- 20+years working in high-stakes, high-reliability environments
- 22years with Police Scotland in training and operational leadership
- 4regions delivered in: UK, Europe, Australia and South Africa
Why Tulliallan Consultancy
High performance is driven by people
My career has been shaped in environments where performance truly matters: where safety, operational discipline and decision-making carry real consequences.
I spent 22 years with Police Scotland as an instructor, trainer and operational leader, latterly at the Scottish Police College, Tulliallan Castle, which is where the company takes its name. I specialised in leadership development, conflict management and decision-making under pressure.
I went on to work as a Major Emergency Management Instructor with Petrofac, delivering OPITO-standard training to offshore leaders and control room personnel. I then served on the senior leadership team of an international consultancy, leading culture transformation programmes across the UK, Europe, Australia and South Africa, and coaching senior leaders and operational teams in mining and major oil & gas projects.
That experience has reinforced one consistent truth: high performance is not driven by process alone. It is driven by people. So our focus is always practical: working alongside leaders and teams to embed the behaviours, skills and mindsets needed to perform consistently and safely.
If that reflects the challenges you are facing, I would welcome the opportunity to work with you.
Mark Stephen
Founder & Consultant, Tulliallan Consultancy Ltd
- 22 years with Police Scotland, including instructor at the Scottish Police College
- Major Emergency Management Instructor, Petrofac (OPITO standard)
- Operations Manager and Senior Leadership Team, FidesOak®
- Culture transformation delivered in the UK, Europe, Australia and South Africa
- Accredited in Lumina Spark, Lumina Select and EQ-i
- Diploma in Training, Learning & Assessment, Edinburgh Napier University
Get in touch
Stronger leadership.Aligned teams.Sustainable performance.
Start the conversation with Tulliallan Consultancy. Tell us what you’re facing and we’ll come back to you to talk it through.