IntroductionEDAS provide a wide range of professional and cost-effective archaeological services, including appraisals, desk-top surveys and assessments, archaeological and architectural survey, evaluations and excavations, and project design and management. We have particular expertise in the survey of historic landscapes and the recording of all types of standing buildings. EDAS also have considerable experience in the provision of archaeological advice to developers and contractors, and the production of archaeological mitigation strategies.In terms of execution, management and presentation, we have a reputation for high quality and thorough work. We also have experience of a wide variety of projects, ranging from assessing the implications of major infrastructure developments to the survey and management of individual sites and monuments. EDAS work primarily in Yorkshire and the north of England.