Delivering Excellence in Grounds Maintenance, Arboriculture & Soft Landscaping in Hertfordshire, London, Bedfordshire, Northamptonshire, Cambridgeshire, Essex, Kent, Hampshire & Beyond.

Established in 1984, Mark Walker (Grounds Maintenance) Ltd is a specialist provider of comprehensive grounds maintenance services, delivering high-quality solutions for single and multi-site contracts across both the public and private sectors. With a dedicated team and decades of expertise, we currently maintain over 2000 sites, ensuring exceptional service standards across our extensive coverage area. A detailed coverage map showcasing our operational regions is available below:

The company is a member of the British Association of Landscape Industries (BALI) and has won a National Principal Award in Grounds Maintenance.

With extensive experience in managing both single-site and multi-site contracts, we provide expert grounds maintenance services across a diverse range of sectors. Our portfolio includes local authority establishments, healthcare trusts, police, fire, and ambulance sites, commercial and distribution facilities, housing associations, and community care projects. Our tailored approach ensures each site is maintained to the highest standards, meeting the unique needs of every sector we serve.

Whether you need expert grounds maintenance, professional landscaping, or dedicated residential and commercial estate care, our experienced team is here to help. We deliver tailored solutions to keep outdoor spaces well-maintained, attractive, and sustainable all year round.

Mark Walker (GM) is committed to continual improvement and has been certified to the ISO 9001 Quality Management standard with BSI since 2002. Click here to see our certificate.

The very nature of our business requires that we have a sound understanding of the environment, and aspects of our business that have a negative impact so that we can take steps to limit their effect.

We have been accredited to ISO 14001 through BSI since 2011. Click here to see our certificate. 

We are a carbon neutral business (click here to see our certificate) and annually offset our emissions through Carbon Neutral Britain by making a payment to the Woodland Fund who use the money to plant trees.

The health and safety of our customers, employees, and members of the public, is of paramount importance to us. We have been accredited to ISO 45001 since 2020. Click here to see our certificate. Together with our accreditations to Safe Contractor, and CHAS, and regular internal and external auditing, ensures health and safety is always being monitored, controlled, and improved within our business and on clients’ sites.