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Gahan & Long Archaeological Services

The archaeological consultancy for the construction industry. Gahan and Long Ltd offers a comprehensive range of professional archaeological services to developers, building contractors, planning consultants, architects, engineers and public bodies.

Since its inception, the company has developed and retained a sound client base. In achieving this, Gahan and Long Ltd has set the standard in delivering high quality, value for money, archaeological services and prides itself as being the market leader in Northern Ireland.

Our main activities include:

  • Environmental Impact Assessments
  • Pre–planning consultancy
  • On–site mitigation
  • Building Surveys


7–9 Castlereagh Street
028 9020 2001