Robert Laycock
- Agronomist and turfgrass scientist operating in the UK from an East Yorkshire base.
- http://www.robertlaycock.co.uk/

Weavers and Clark
- Offers advice and consultancy on gardening matters, and also escorted garden tours.
- http://www.weaversandclark.co.uk

Alexander Mackie Associates
- Valuations, acquisitions and disposals of garden centres and nurseries.
- http://www.alexandermackie.plus.com/

Green Agronomy
- Offers independent advice and consultancy on sustainable farming issues. Information on services, research and background to issues.
- http://www.greenagronomy.co.uk/

Barry Holdsworth
- Offers advice on gardens, including design, layout, management, maintenance regimes, staff selection and training. Contact form.
- http://www.barryholdsworth.com/

Propagation Technology
- A contract micropropagation company offering services for all types of plants. Based in Essex.
- http://www.micropropagation.co.uk/

Country Landscapes
- Garden valuations, software for grounds maintenance.
- http://www.country-landscapes.com/

Glen Farrow UK
- Providing installations of irrigation, water engineering, and heating services.
- http://www.glenfarrow.co.uk/

David Whalley and Associates.
- Horticultural, environmental and land use consultants dealing with horticulture, pollution, crop damage, water, soils, environmental planning, ecology, plant pathology and economics.
- http://www.whallassc.demon.co.uk/

Groundserve
- Consultancy services, specialising in grounds maintenance for public bodies.
- http://www.groundserve.co.uk/

HMS Online
- Supplying point-of-sale and customer care related products to garden centres, including bed label channels, leaflet dispensers, plastic baskets, banners and signage.
- http://www.h-ms.co.uk/

SGS Environmental and Management Consultancy
- Training and consultancy services.
- http://www.sgsconsultancy.demon.co.uk/

Agricultural Development and Advisory Service
- A former governmental advisory service for agriculture and horticulture.
- http://www.adas.co.uk/