Tax Consultancy Services were provided to the Businesses, Partnerships and Companies audited byNihal Sri Ameresekere & Co., Chartered Accountants, and in addition, Tax Consultancy Services were provided to the Proprietors, Partners and Directors of such Businesses, Partnerships and Companies – a Clientele of around 200.

In addition to the foregoing Tax Consultancy Services provided to Clients, whose Financial Accounts were audited by Nihal Sri Ameresekere & Co., Chartered Accountants, Tax Consultancy Services were provided also to the following Clients – thereby a Clientele of around 300.

P.E. Raman & Co., Group
K.G. Group
Ceylon & World Tours Ltd.
Gem Traders Ltd.
Ferntea Group
Somerville & Co. Ltd.
All Ceylon Gem Miners & Producer's Co-operative Society Ltd, Ratnapura
A large circle of Gem Merchants and other Businesses in the Ratnapura District, warranting the operation of a Branch Office of NIhal Sri Ameresekere & Co., in Ratnapura

Successfully challenged a perverse Tax Amnesty of 2003, compelling the legislation to be repealed by the Parliament of Sri Lanka – see Challenges to Legislations