Allan runs a general litigation practice but has shifted his focus to maritime issues. He has been involved in various aspects of the law including access to the coastal zone, fishing rights, quota allocations, conservation, policy formulation, pollution, environmental and maritime law. He has held a skipper’s certificate and night rating since 1982 and has extensive knowledge of the marine environment. He also specialises in the administration of deceased estates, litigation involving estates and general conveyancing matters. 

Allan has also served on the Environmental sub-committee of the Zululand Chamber of Business, as a Commissioner of the Small Claims Court for ten years, as Honourary Secretary and Vice Commodore of the Zululand Yacht Club, founding member of the Sodwana Bay Spearfishing Club and since 2013 as Honourary Secretary of the Richards Bay branch of the Society of Master Mariners: South Africa.