From Graces Guide
Argyll was a Scottish motor car marque manufactured from 1899 to 1932. 
- 1899-1905 Hozier Engineering Co of Bridgeton, Glasgow
- 1905-1909 Argyll Motors Ltd of Alexandria, Dumbartonshire
- 1909-1914 Argyll Ltd of Alexandria, Dumbartonshire
1906 Produced 10-12, 14-16, 16-20 and 26-30 h.p. models with shaft-drive. 
1905 Opened large factory at Alexandria and retained the old Bridgton premises as a repair and service depot under A. Morris Thomson.
The Alexandria factory was never used to capacity, and the company began to decline after Alex Govan's death in 1907 and then went into liquidation in 1908.
1909 January 19th. New company registered as Argylls Ltd with Thomas Dence (CHairman) and John Smart Matthew as Managing Director
1910 Production restarted with a new range of cars including the famed "Flying Fifteen", and a six-cylinder model. The 12/14 was widely sold as a taxi even being exported to New York. Four-wheel brakes designed by J. M. Rubury of Argyll and patented on 18th March 1910 by Henri Perrot and John Meredith Rubury (Patent number 6807) were available from 1911 on.
1910 Listed as 'Argylls, Ltd., Alexandria; showrooms, 92-94 Mitchell st, city; repair works and garage, Graham st, Bridgton.' under 'Motor car Agents'.
1911 Motor Show. Showed four-stroke sleeve-valve engine. 
1913 April. Advert for the 'twelve-eighteen hp with four wheel braking system'. 
1914 R. W. Blackwell is Chairman
1914 Argyll changed hands and the Alexandria factory was sold to the Royal Navy for torpedo production.
Car production was resumed on a small scale in the original Bridgeton works under the control of John Brimlow who had previously run the repair department. The first product from the new company was a revival of the pre-war 15·9 hp model, now with electric starter but few were sold.
1914 Listed as motor car manufacturers. Specialities: high-class automobiles for private or industrial purposes. Employees 1,650. 
1922 It was joined by a 1.5-litre sleeve valve model and in 1926 by the 12/40 sports.
1927 The company made a final appearance at the London Motor Show and the last cars were probably made in 1928.
1932 Mention of J. D. Brimlow of Argyll Motors.
The company though still advertised until Argyll closed in 1932.
List of Models
- Argyll Motors: 5 h.p. c1900
- Argyll Motors: 5.25 h.p. c1902. Model 6.
- Argyll Motors: 8 h.p. c1902
- Argyll Motors: 10 h.p. c1902
- Argyll Motors: 10-12 h.p. c1904-06
- Argyll Motors: 12-14 h.p. c1905-07 & 1909-10
- Argyll Motors: 14-16 h.p. c1906-10
- Argyll Motors: 16-20 h.p. 1908
- Argyll Motors: 26-30 h.p. c1906
- Argyll Motors: 10 h.p. 1910-11
- Argyll Motors: 12 h.p. 1911-12
- Argyll Motors: 20 h.p. 1910-12
- Argyll Motors: 25 h.p. 1912
- Argyll Motors: 30 h.p. 1910-11
- Argyll Motors: 40 h.p. 1908-09
- Argyll Motors: 12-18 h.p. 1913-14.
- Argyll Motors: 14 h.p. 1915. Sleeve valve.
- Argyll Motors: 15-30 h.p. 1913-15. Sleeve valve. Type G.
- Argyll Motors: 25-50 h.p. 1913-15. Sleeve valve.
Sources of Information
-  Wikipedia
- The Stock Exchange Year Book 1908
- The Automobile Vol. III. Edited by Paul N. Hasluck and published by Cassell in 1906.
- The Graphic - Saturday 14 October 1905
- 1910/11 Post Office Directory of Glasgow
- The Engineer 1911/11/03 p466
- The Autocar 1913/04/05 p27
- 1914 Whitakers Red Book
- Motherwell Times - Friday 01 January 1932