Samantha Williams is a cornerstone of TGM’s heritage, proudly representing the founding family while guiding the company with clarity, passion, and purpose. Her hands‑on leadership style and deep operational expertise have shaped TGM’s culture of quality and reliability. With strong foundations in Finance, Quality Control, and Operational Management, Samantha ensures every team and process reflects the company’s commitment to excellence.

As she leads TGM into 2026, Samantha remains focused on protecting client assets, preserving complex drainage infrastructure, and driving top‑tier performance across all service lines. Her forward‑thinking approach continues to reinforce TGM’s market reputation for trust, service, and long‑term value.

As a Director and shareholder, Clark Williams plays a pivotal role in shaping TGM’s commercial future. His responsibilities span Business Development Strategy, Sales Leadership, and Service Innovation — underpinned by a growing focus on technical oversight and solution development across roofing, drainage, and compliance‑driven maintenance.

Clark’s technical responsibilities include supporting specification accuracy, reviewing technical proposals, ensuring alignment with industry standards, and helping clients navigate complex remedial or refurbishment strategies. His well‑rounded expertise strengthens both operational delivery and commercial performance.

Holding professional memberships with the Chartered Management Institute, the Chartered Institute of Building (MCIOB), and the Institute of CPD, Clark champions continuous improvement and professional growth throughout the organisation.

Mandy Barron brings strong financial leadership and meticulous attention to detail to her role as Head of Finance. Her extensive cross‑industry experience ensures that TGM operates with financial clarity, compliance, and strategic foresight. Mandy’s guidance supports both day‑to‑day financial management and long‑term planning, enabling sustainable growth and operational stability.

Her commitment to accuracy and accountability resonates across her team, reinforcing TGM’s culture of professionalism and trust.

Dynamic and people‑focused, Lynda Barr leads TGM’s Service Team with enthusiasm and a genuine commitment to excellence. Her philosophy is simple: teamwork drives results. Lynda ensures that service delivery is proactive, responsive, and client‑focused, empowering her Key Account Managers to communicate effectively and deliver timely, high‑quality outcomes.

Her ability to transform challenges into solutions makes her an invaluable leader within TGM’s operational structure.

With more than 17 years of dedication to TGM, Dani Clarke brings unmatched experience across operations, service, and technical support. Her multi‑department background gives her a unique perspective on the full lifecycle of client requirements, from initial enquiry through to technical resolution.

Dani excels at simplifying complex technical issues, ensuring clients receive clear, practical solutions tailored to their needs. Her exceptional knowledge, problem‑solving capability, and supportive approach make her a fundamental asset to both internal teams and TGM’s clients.

Alison has been a key contributor to our success for many years, bringing a wealth of experience and expertise to the team. Her strong commercial acumen and deep understanding of the drainage sector have been developed through years of advising and supporting B2B companies across the industry.

Alongside her marketing and commercial strengths, Alison is highly regarded for her exceptional customer service skills. She consistently demonstrates a proactive, solution-focused approach, ensuring clients receive outstanding support and building long-term relationships based on trust and reliability. In her new role, Alison will continue to drive growth, strengthen client relationships, and identify new opportunities that align with our strategic objectives.

A highly experienced roofing specialist, Malcolm Reeve brings exceptional technical insight into pitched roofing and construction detailing. His background as both a Contracts Manager and Commercial Estimator enables him to offer precise, informed guidance that helps clients make confident, cost‑effective decisions.

Malcolm’s technical depth ensures our estimates and specifications are accurate, reliable, and aligned with best practice — supporting TGM’s reputation for quality and technical integrity.

Louise Ross is a dedicated and highly organised Key Account Manager at TGM, bringing a strong background in operations, procurement, and multi‑site service coordination. With experience supporting commercial teams, managing supplier relationships, and ensuring smooth operational delivery across fast‑paced environments, Louise contributes a proactive, solutions‑focused approach to every client interaction.

Her strong communication skills and natural ability to build rapport ensure that clients feel fully supported, informed, and valued throughout the lifecycle of their contracts. Known for her attention to detail and commitment to service excellence, Louise consistently helps nurture long‑term partnerships built on reliability, clarity, and trust.

Becky Hare brings positivity, professionalism, and a proactive approach to key account management. Whether she’s supporting major clients or smaller portfolios, Becky is dedicated to building strong relationships and ensuring transparent, regular communication.

Her clients appreciate her friendly style, reliability, and commitment to delivering service excellence every time.

Phil Anwyll joins TGM with strong operational and logistical experience, enabling him to manage complex schedules with accuracy and adaptability. He excels at balancing geographic planning with real‑time demands, helping the service department operate smoothly and efficiently.

Phil’s structured, responsive approach ensures clients benefit from timely attendance and well‑coordinated resource deployment.

Philip Davies is a dedicated Health, Safety & Quality professional, drawing on both his military background and extensive industry experience to drive a robust safety culture at TGM. His disciplined approach to risk management, hazard prevention, and operational safety ensures compliance across all areas of the business.

Holding respected qualifications including Tech IOSH and NEBOSH, Philip plays an essential role in maintaining safe working environments and supporting TGM’s commitment to excellence in 2026 and beyond.