An award-winning people, culture and leadership consultancy

The TCM Group has been at the cutting edge of conflict resolution, culture change and leadership development for over 20 years. We help our customers to put their purpose, their values and their people first.

A transformational culture. Designed and deployed.

A transformational culture is fair, just, inclusive, sustainable and high performing. Based on David Liddle's best selling book, The Transformational Culture Model™ offers forward-thinking organisations a powerful whole-system approach to cultural transformation.

Delivering excellence for our customers

TCM has received numerous awards and accolades including Mediation Provider of the Year 2018, HR Consultancy of the Year 2020, Best Change Management Initiative 2021 in partnership with TSB Bank, and HR Impact Award 2023 in partnership with Burberry. Our founder and CEO, David Liddle was recognised as one of the top 10 HR Most Influential Thinkers in 2024 and he joined the prestigious Thinkers50 Radar in 2022.

A justice model - fit for 21st century organisations.

TCM created the Resolution Framework™ which delivers constructive and robust outcomes to complex workplace issues such as conflict, bullying, harassment, performance management and misconduct. Think of it as transformative justice in action.

A world-class team of experts

The TCM team comprises some of the most talented culture change, leadership development, HR transformation, mediation, investigation and coaching consultants in the world, supported by our passionate head office teams in London and New York.

Your trusted partner.

TCM is the trusted partner to a growing number of FTSE 100 and Fortune 500 companies along with numerous public bodies and Government departments. A few of our clients include Tesco PLC, NEXT, Burberry, Amerrican Airlines, BA, easyJet, Royal Mail, Bloomberg, NATO. The UN, WHO, Aviva and the entire UK Civil Service.
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Developing Positive Workplace Cultures Since 2001

Established over two decades ago by our CEO and HR most influential thinker, David Liddle, TCM has been working with our customers to develop person-centred management practices, empowering HR processes and transformational workplace cultures. These practices, processes and cultures have been designed to improve productivity, increase engagement, drive collaboration, enhance wellbeing and turbo-charge your organisation.

The TCM Ecosystem

What sets us apart is our unique insight into people, relationships, workplace cultures, HR systems, leadership practices and management behaviours. We have combined this expertise into a world-leading portfolio of culture change, HR consultancy, leadership development, investigations, mediation, coaching, and conflict resolution programmes and consultancy.

“TCM is transforming work by putting people first!”

The trusted partner to numerous organisations - big and small.

TCM is the trusted partner to a growing number of FTSE 100 and Fortune 500 companies, along with numerous public bodies and Government departments. Our esteemed clients cover a wide range of sectors and include Tesco PLC, Royal Mail, NATO, BBC, HSBC, Burberry, NHS England, Next, Bloomberg, Aviva, Oxfam and the entire UK Civil Service.

Royal Mail
Royal Mail. Jon Millidge MBE. Pension Reform Director

“TCM has supported us to deliver our policy to resolve issues and establish a culture of fairness, trust and mutual respect. It is no surprise that in a business which employs so many people, there will be disagreements from time to time. TCM has helped us to establish a modern system for resolving these disagreements quickly and professionally.”

Sarah Buckley ER & Employment Policy Consultant at Aviva

“Couldn’t fault the service provided by David and the team in helping us set up an internal resolution procedure and mediation team. We had fantastic feedback from all our colleagues who attended training with them.”

Ben Williams Senior ER Manager at Virgin Atlantic Airways

“The mediation and resolution training that TCM delivered was first class – engaging, thought provoking and highly professional. David’s collaborative, future focused and solution focused approach to conflict resolution really resonated with me and my team and aligns neatly with our brand values and people strategy.”

Carolyn Hawley HR Director at British Retail Consortium

“TCM worked with us to develop our purpose, values, behaviours and strategy. TCM’s facilitators brought professionalism, knowledge & fun to the assignment. In workshops, they encouraged a relaxed atmosphere where effective learning and contribution was valued.”

Aurea Jones Director of People Strategy at Barts Health NHS Trust

“The TCM National Certificate in Workplace Mediation course provided a thorough introduction to mediation and the skills practice to become a a novice mediator. The ongoing learning and support will help me to continue my journey to becoming a competent well practiced mediator. Thank you Andi, Cameron and TCM!”

London borough of Hillingdon
London Borough of Hillingdon. Gillian McClean

“We have been working with TCM, in order to set up an In-house Mediation Service.  TCM trainers have a passion for resolving conflict & their enthusiasm both engages, inspires and energises others.”

A culture blueprint for the modern organisation.

Shortlisted for Business Book of the Year 2022, David Liddle’s highly acclaimed second book: Transformational Culture provides a blueprint for a fair, just, inclusive, sustainable, and high-performing organisation. With a foreword from Dave Ulrich and expert analysis of the benefits of a people-focused and values-led organisation, it provides 8 transformational enablers to deliver individual, team and business success. The book offers practical guidance and a culture change playbook for HR professionals and business leaders who wish to redefine their corporate culture.

Kickstart your growth with The TCM Academy

The TCM Academy delivers a wider range of training courses and events on a virtual, face to face and blended basis. Below are just a few of our upcoming courses and events.

A Consultancy You Can Trust!

In 2023, we won the prestigious Personnel Today HR Impact Award in partnership with Burberry. Working with the TCM Group, Burberry conducted an audit of its team climate, systems and policies, identifying a number of key areas for improvement: upskilling HR and leaders in conflict management; reviewing policies and steps to resolution; a need for a confidential whistleblowing helpline only used for the most serious issues; and alignment of investigations processes so they were globally consistent. Feedback suggests that colleagues now feel more empowered to speak up, and there has been an increase in issues being resolved without the need for recourse to a formal procedure.

Featured news, insights and resources

27 Sep 2024 | Katrina Hinrichsen
How The University of Manchester Tapped into the Power of Facilitated Conversations
Facilitated conversations build a culture of openness, trust, and collaboration — key ingredients for any successful educational institution. Discover more in this case study.
neurodivergence-mediation-conflict-brain-adhd
24 Sep 2024 | Katrina Hinrichsen
Webinar Recap: Navigating Conflict with ADHD & Neurodivergence
Neurodivergence offers unique strengths and perspectives to the modern workforce. Yet without understanding and support, it can lead to barriers and conflict. Here's how to address it.
21 Aug 2024 | Lauren Katalinich
Webinar Recap: Coaching’s Secret Weapon Against Imposter Syndrome
Have you ever felt like you don't belong in your role, despite evidence of your competence? You're not alone. Imposter syndrome is a pervasive challenge in the professional world, affecting an estimated 70% of people at some point in their careers. In a recent insightful webinar, experts from our Engage Coaching team explored how this phenomenon manifests and how coaching can be a powerful tool to combat it. Here's what we discussed...
13 Aug 2024 | Lauren Katalinich
Dignity, Respect, and ROI: The Surprising Link in Bath University’s Success
When the University of Bath faced a critical challenge threatening its research culture, it took a bold, unconventional approach. By partnering with TCM to implement the innovative Resolution Framework, the university didn't just solve a problem—it sparked a cultural revolution. The results? A transformation so profound it's setting a new standard for workplace dynamics in higher education.

Purpose and values. Aligned.

Organisations which fully integrate their purpose and their values will be the successful organisations of the future. Combined, your values and purpose reflect the kind of organisation you are – they define your employee experience (EX) and your customer experience (CX). When corporate strategies and management behaviours are aligned to your purpose and values, this becomes the defining feature of your organisation.

We help organisations to define and embed their purpose and their values and to align these to their strategy, their behaviours and their leadership and management competencies.

Tomorrow's leaders. Today.

Your leaders have a significant influence on company culture and your managers should create the climate for success. By equipping your leaders and managers with the skills they need during these volatile uncertain, complex and ambiguous (VUCA) times, your organisation will help your most valuable asset to shine – your people.

Through a range of leadership development, training and consultancy packages, we equip leaders and managers with the confidence, competence, characteristics and capabilities to lead their teams through the good times, and the bad.

Putting the human into HR.

The traditional human resources (HR) function is evolving. The emergence of the People and Culture function presents enormous opportunities for HR to deliver fair, just, inclusive, sustainable and high performing systems, processes and cultures. TCM is working with an increasing number of HR teams to help them as they evolve into a people and culture function. From the development of a people and culture strategy to the design and deployment of modern employee handbooks, values and behavioural recruitment processes, and transformational performance management systems. If you want to put the human back into HR, we are here to help.

Evidence based. Practically delivered.

The use of data and evidence to inform and evaluate organisational change programmes is central to their short- and long-term success. We build a business case for cultural transformation using normative, qualitative and quantitative approaches such as existing HR and management data, and the engagement of key stakeholders such as people and culture professionals, leaders, managers, employees and unions.

Please get in touch

We would love to hear from you!

We are available to answer any questions you may have about our expansive range of services and courses. If would prefer to drop us an email, please click here. 

Alternatively, please feel free to call TCM’s customer hotline at 0800 059 0595