The Management Team


MARK WHITE – Business 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

GARETH ALLCOCK – Commercial Director

Gareth brings a wealth of knowledge having operated at a senior level in the social housing sector for over 20 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.

TONY REGAN – Operations Director

Tony joined Greyline in 2020 and has over 30 years in the construction, refurbishment and Decent Homes industry progressing from working on the tools to senior management roles. Tony has managed large operational teams and through his vast experience, has built up relationships with public sector clients, consultants, and a varied and diverse supply chain.
Tony oversees the logistical requirements of each project and monitors performance against the agreed criteria to ensure the delivery of high-quality work within the contract timescales.

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.

DANIEL O`SULLIVAN – Senior Estimator

Daniel joined Greyline in May 2020 as our Senior Estimator, with over 20 years’ experience within the construction industry and the Social Housing Sector, over the last 10 years Daniel has focussed his professional expertise on estimating, supporting the growth of new business through his success in winning tenders and securing negotiated contract opportunities for Principle Contractors, so we are delighted that he has joined Greyline and he is a key member of our Senior leadership team.
Daniel brings a wealth of professional Commercial knowledge and experience to Greyline, with an extensive established network of Social Housing and Construction business relationships, with Customers, Consultants and Supply chain partners, which will positively support Greylines growth aspirations.
Daniel is a positive and enthusiastic person, who easily builds solid relationships based on open communications with excellent interpersonal skills, he is a team player, and enjoys mentoring colleagues to develop in their professional construction careers.

Russ Polakovs

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 is able to support Greyline’s staff whether they are based at the head office or working remotely, 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.