Firm Profile
Law Firm Profile:
Since setting up in 1984 Duncan Grehan and his staff have provided an increasing foreign client base with advice in all of the practice areas below. We are experienced in dealing with cross border transactions. Many of our clients trade with Ireland from abroad or have set up subsidiary or branch operations here. Others have invested in farmland, bloodstock, country houses and holiday homes. We correspond in the English and German languages which a number of our staff speak. We are a small skilled and experienced team. We are members of a number of non-exclusive international lawyer networks, groupings and associations.
Duncan Grehan & Partners provide general practice advice in all civil law areas and particularly the following:
- Administration of Estates
- Advertising Law
- Agency and Distribution
- Business and Commercial Disputes
- Copyright and Internet Law
- Contract and Breach of Contract
- Conveyancing and Real Estate
- Corporate Formation and Structuring
- Debt Collection
- Employment Law
- Enforcement of Foreign Judgements
- Foreign Investment
- Inheritance and Probate Law
- Insolvency
- Insurance Litigation for Defendants and Plaintiffs
- Litigation and Court Work
- Mediation
- Product Liability Law
- Sale and Transportation of Goods
Members of the firm:
Duncan Grehan:

Born: 1955
Admitted: 1980
Education: Trinity College Dublin (MA; LLB); Max-Planck Institute, Hamburg
Member: The Incorporated Law Society of Ireland; Global Advertising Lawyers’ Alliance (GALA); International Bar Association;
He is the legal advisor (Vertrauensanwalt) to the German Embassy, the Austrian Embassy and Embassy of Switzerland in Ireland.
Duncan Grehan is a CEDR accredited commercial mediator and has practiced commercial dispute resolution in and out of court for more than 20 years.
Languages: English, German, French.
dgrehan@duncangrehan.com
Malachy O Callaghan:

Born: 1953
Admitted: 1987
Education: Trinity College Dublin (BBS Business Studies )
Member: Incorporated Law Society of Ireland
He practices in the fields of commercial and residential property, company and commercial law, inheritance law and estate management.
mocallaghan@duncangrehan.com
Conor Griffin:

Born: 1977
Admitted: 2002
Education: University College Dublin (BCL; LLM)
He practices in the fields of litigation, conveyancing, advertising and marketing law and administration of estates.
cgriffin@duncangrehan.com
Our support staff at present includes two assistant lawyers and two legal executives. In addition, we always have a German assistant lawyer working in our office.




