They were officially opened by Primrose Worth, widow of the founder, Howard Worth.
Many staff, including the current six partners and new financial services manager Nicholas Stanford were present.
Partner Jane Platt said: "The event went very well - it was quite an important occasion for the company.
"It's nice to have the building adjacent to our existing premises. The new department will deal exclusively with pensions and investments which accountants need special qualifications for."
Howard Worth established the practice in 1953 and the partnership now employs over 50 staff at offices in Northwich and Nantwich.
Converted for the new archive on 13 March 2001. Some images and formatting may have been lost in the conversion.
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