The Management Team
MARK WHITE – Managing Director
Mark joined the Greyline family business in 1984, having previously completed his plumbing apprenticeship with the London Borough of Brent. He became a company director in 1990, and has played a significant part in Greyline’s growth and success ever since.
Mark has been instrumental in introducing and developing Greyline’s planned maintenance and refurbishment services and overseeing the delivery of varied construction projects. He has built long-lasting business relationships on fulfilling his commitments on each and every project.
Mark is a solid operator with a passion for quality workmanship and proven commercial skills.
GARETH ALLCOCK – Business Director
Gareth brings a wealth of knowledge having operated at a senior level in the social housing sector for over 35 years, delivering successful, consistent and professional planned and reactive maintenance services.
Utilising his experience, Gareth delivers a best in class service to all stakeholders from an operational and commercial perspective both strategically and operationally. With strong leadership skills, Gareth mentors and develops the people he manages, encouraging the best results from his team to deliver high Customer satisfaction.
BARRY McCARTHY – Business Director
Barry joined Greyline at the start of 2026 with 35 years’ experience within the construction industry and 17 years as a Director for a Tier 1 Social Housing contractor.
He previously led a £65m per year construction division and brings strong leadership, commercial insight, and a proven ability to build high-performing teams focused on delivering outstanding results for clients.
ROB HUTTON – Strategic Partnerships Director
Joining Greyline in 2026, Rob brings over 23 years’ experience in social housing construction, including nine years operating at Director level within Tier 1 contracting. His experience, leadership and strategic insight plays an important role in supporting Greyline’s long-term growth ambitions.
In his role, Rob focuses on managing and developing our strategic partnerships with both new and existing clients, while continuing to build strong, lasting relationships with clients, consultants, framework providers and industry partners. He also oversees all social value and marketing activities for the business.
LENKA TOMANEKOVA – Head of Bids
Lenka was headhunted by Greyline in 2025 after it was recognised that the business needed to elevate its bid submissions further to compete against national Tier 1 contractors. Joining us with a wealth of bid writing and bid management experience under her belt, Lenka quickly reshaped the bid team, altered our processes and has vastly improved Greyline’s bids.
With her specialism in social housing, planned maintenance, retrofit and building safety, alongside her strong strategic thinking and leadership, Lenka oversees the entire bidding process and strategy for the organisation. She leads the team to secure and mobilise contracts in line with clients’ needs.
With her exacting standards, and unwavering attention to detail, Greyline will continue to exceed client aspirations, and keep winning for many years to come.
ADRIAN ATKINSON – Head of Estimating
Adrian joined our journey in 2022. With over 25 years of experience in social housing, and competitive tendering, he has developed a strong reputation for excellence and winning work within the industry.
Adrian leads a team of Estimators of varying skillsets that complement our business plan. His team provides accurate and cost-effective solutions for all our clients and contributes to the overall success of Greyline.
With his strategic thinking and understanding of commercial principles, he plays a crucial role in ensuring all our projects are competitively priced, and fully risk analysed.
RUSS POLAKOVS – Business Support Manager
Russ joined Greyline in 2014. He provides professional business support for all of our business departments. Utilising his extensive IT knowledge, Russ oversees and manages Greyline’s IT operations, ensuring the smooth functioning and security of IT systems and infrastructure, resolving IT issues with urgency and accuracy.
Russ maintains our IT security, Website, and ensures our compliance in line with GDPR regulations. Russ is very versatile, and he is a team player who will always support the business across a number of key business activities, bringing his positive ‘can do’ attitude to any task required.
BARRIE GREEN – Compliance and Sustainability Manager
Joining Greyline in 2026, Barrie has 20 years’ experience in providing business support within a range of different industries. He has been heavily involved in shaping ISO Management Systems for Quality, Environmental and Health & Safety as well as successfully achieving accreditations to ensure compliance.
Barrie is responsible for developing, implementing, and monitoring compliance frameworks, policies and procedures to reduce operational risk and maintain adherence to industry regulations. Alongside this, Barrie’s role focuses on driving sustainability initiatives that will lead Greyline’s path to Carbon Net Zero by 2030. The roles blends regulatory compliance with sustainability strategy, helping the company manage risk, meet stakeholder expectations, and support long-term sustainability.
HARDEEP RAYAT – Human Resources Manager
Hardeep joined Greyline in 2025, he has more than 10 years’ experience working in Human Resources across many industries, particularly for organisations similar to Greyline.
In his role as HR Manager, Hardeep is responsible for all recruitment, employee relations and working with key stakeholders across the business.
YUSUF AHMED – Financial Controller
Yusuf joined the business in August 2021, He brings with him a wealth of experience with over 20 years finance industry experience across numerous sectors including Construction, FMCG and Manufacturing.
As the company’s Financial Controller, Yusuf provides detailed analysis of key financial data, support and reporting to assist in financial matters, as well as supporting the directors with key business decisions.
Yusuf possesses excellent leadership and interpersonal skills, with the ability to effectively communicate financial information to both Finance, and equally to non-finance colleagues.
