| Adrian Steele: Independent consultant specialising in groundwater contamination by dense non-aqueous phase liquids (DNAPLs). Clients and publications listed. |
| AES Analytical and Environmental Services: Provides sampling and analysis of water, wastewater, water systems, effluent, as well as land and air. |
| Air Quality Consultants, Ltd: Offering air quality services for local authorities, developers, and industry. Expert witness at public inquiries. Based in Bristol. |
| Anthony Bates Partnership: Dredging and coastal consultants and engineers offer advice on port and harbour construction, land reclamation, and dredging. |
| Atmosphere, Climate & Environment Information Programme: Disseminates information on the causes, effects of and controls on air pollution and climate change, within the framework of national legislation and international discussion. Supported by DEFRA. |
| Berry Marine Consultants: Marine eco-system services including development of environmental policy, assessments, conservation and communication programs. Located in Edinburgh. |
| Bradley Environmental Consultants: Information on services including contaminated land, asbestos, and health and safety compliance. Based in Dudley. |
| Caddet: Commercial energy-saving and renewable energy information service. Newsletters, publications, technical brochures and events. |
| Conservation Consultancy, Ltd.: Describes capabilities and offers expert services in ecological surveys, environmental impact assessment, and mitigation and monitoring. Based in Bath. |
| Corvus Consulting and Expedition Services: Specialists in environmental consultancy, wildlife conservation, data analysis and logistical support. Based in Northern Ireland. |
| Cress Water Ltd.: The design and installation of reed-beds, ponds and wetlands for treatment of sewage and other wastewater effluents, ornamental water features, and secondary-use water resources. |
| Ecological Land Management: Consultants offer service in habitat management, wildlife mitigation schemes, pond creation and management, invasive weed control, bank stabilisation, and related. |
| Entec: Environmental and engineering consultancy. Services, capabilities and projects plus markets, careers and news. |
| Environmental Data Services Ltd (ENDS): Provides environmental intelligence for professionals including a directory of environmental consultancies with capabilities, qualifications and experience. |
| Environmental Information Exchange: Oxford Brookes University and partner organisations provide information and support on environmental concerns. |
| Environmental Information from the British Library: Starting point for access to information on environmental law, regulations and reports. |
| EuGeos: Environmental Management for Business: Consultants developing and managing techniques that enable the successful pursuit of environmental sustainability. |
| GREENTIE: The Centre for Greenhouse Gas Technology Information Exchange (GREENTIE) collects, screens and disseminates information on suppliers of technologies, services, research, data and literature pertinent to greenhouse gas mitigation. |
| Hydrogeological Services International: Consultants in hydrogeology, water resources and the environment, and computer applications. |
| J Sainsbury plc Environment: Information and resources on Sainsbury's environmental initiatives across the range of its retailing business. |
| Marenco Environmental Consultants: Multi disciplinary science based environmental consultants. Lists services including brownfield assessment, audits and environmental communications. Northern Ireland. |
| Phoenix Scientific Services Limited: Education, writing and training service to medical and scientific organisations. |
| Plastics Recycling Info: Factsheets and documents including local recycling points, technical information, advice for authorities and recycled products. |
| Project Dewatering Limited: Offers development and operation of groundwater control and remediation systems through the world. Describes capabilities and past projects. Offices in Suffolk, Derbyshire and County Durham. |
| PV Web: Information about photovoltaic power and solar electricity from the British Photovoltaic Association. Guidance, technology, industry, news, reference and faqs. |
| Quinlan Consulting: Consultancy and research; site has several technical papers on topics in aquatic ecology, water management, and river restoration. |
| Red Kite Environment: Offers help with strategic planning and development, heritage interpretation, sustainable tourism and learning. |
| Resource & Environmental Consultants (REC) Ltd: Environmental consultants in the areas of air, land and water. Includes information on services and office locations. |
| Sd3 Ltd.: Company that helps organisations to improve their performance and create value by adopting business sustainability practices that integrate economic, environmental and social management. |
| Soltys:Brewster Consulting: Assess, plan, design and contract administer the creation of new landscapes and the restoration of historic landscapes. Services, staff and news. Glamorgan. |
| The Factor Ten Company: Environmental resource management providing assessment, remediation, and directions to funding sources for sustainable projects. |
| UK Air Pollution Information System: Information on air pollution and the effects on habitats and species. Complex database with detailed searches involving pollution types, species, habitats and issues. |
| Wildscape: Offers a practical service in the management of animals and habitat, and landscape and garden design. Includes information about current and recent projects. |