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Elizabeth Lazenby and Son of 18 Trinity Street, London (1908)
of 20 Soho Square, London, W1. (1929)
Ditto Address. Telephone: Gerrard 9261. Cables: "Unexcelled, London." (1947)
1776 Company established.
1815 Advert concerning Harvey's Fish Sauce signed by Elizabeth Lazenby and the Fish Sauce Warehouse 
1816 Mentions the late Mr Harvey's celebrated sauce for fish, game etc. of Lazenby's Warehouse, 6 Edward's Street, Porman Square. 
1895 The company was registered on 29 January, to acquire the business of fish sauce and preserved provision manufacturers of the firm of the same name. 
1895 Incorporated as a private limited company.
1914 Sauce, pickle and soup manufacturers. Specialities: owners of original recipe of Harvey's Sauce, Chef sauce; solidified and liquid soups, preserved provisions and condiments of all kinds. 
1929 Listed Exhibitor - British Industries Fair. Manufacturers of Pickles, Sauces and Condiments, Jellies, Essences and Invalid Foods, Non-alcoholic Beverages, Custard Powder and other similar products, Preserved Fish, Fruit and Vegetables. (Stand Nos. K.20 and K.33) 
1947 Listed Exhibitors - British Industries Fair. Manufacturers of Harvey's** Sauce, Piccalilli, Mixed Pickles, Salmon, Crab, Lobster, Prawns. (Earls Court, 1st Floor, Stand No. 737) 
Note: ** From: The Sporting Magazine. September 6th, 1842 on Harvey's Sauce