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Locations

As a truly global organization, our business employs around 96,000 people in over 100 countries, including almost 20 sites in the UK alone.

GSK's HQ in Brentford

GSK House, GlaxoSmithKline’s global headquarters

980 Great West Road, Brentford, Middlesex, TW8 9GS
Tel: +44 (0)20 8047 5000

GSK's Barnard Castle site

Barnard Castle, manufacturing site

Harmire Road, Barnard Castle, Co Durham, DL12 8DT
Tel: +44 (0)1833 690600
More information about the Barnard Castle site

GSK's Coleford site

Coleford, Nutritional Healthcare facility

Coleford, Gloucestershire, GL16 8JB
Tel: +44 (0)1594 812800. Fax: +44 (0)1594 812830

GSK's Harlow site

Harlow, pharmaceuticals R&D facility

New Frontiers Science Park, Third Avenue, CM19 5AW
Tel: +44 (0)1279 622000 Fax: +44 (0)1279 62210

GSK's Irvine site

Irvine, manufacturing site

Shewalton Road, Irvine, Ayrshire, KA11 5AP
Tel: +44 (0)1294 274200
More information about the Irvine site

GSK's Maidenhead site

Maidenhead, manufacturing site

Norreys Drive, Maidenhead, Berkshire, SL6 4BL
Tel: +44 (0)1628 426400
More information about the Maidenhead site

GSK's Montrose site

Montrose, manufacturing site

Cobden St, Montrose, Angus, DD10 8EA
Tel: +44 (0)1674 672606
More information about the Montrose site

GSK's Slough site

Slough, manufacturing site

11, Stoke Poges Lane, Slough, Berkshire, SL1 3NW
Tel: +44 (0)1753 533433
More information about the Slough site

GSK's Stevenage site

Stevenage, pharmaceuticals R&D facility

Gunnels Wood Road, Stevenage Herts, SG1 2NY
Tel: +44 (0)1438 745745. Fax: +44 (0)1438 764502

GSK's Stockley Park site

Stockley Park, UK Pharmaceuticals

Stockley Park West, Uxbridge, Middlesex, UB11 1BT
Tel: +44 (0)20 8990 9000. Fax: +44 (0)20 8990 4321

GSK's Ulverston site

Ulverston, manufacturing site

North Lonsdale Road, Ulverston, Cumbria, LA12 9DR
Tel: +44 (0)1229 582261
More information about the Ulverston site

GSK's Ware site

Ware, manufacturing site

Priory Street, Ware, SG12 0DJ
Tel: +44 (0)1920 463993. Fax: +44 (0)1920 862497
More information about the Ware site

GSK's Ware site

Ware, R&D site

Park Road, Ware, SG12 0DP
Tel: +44 (0)1920 469469. Fax: +44 (0)1920 463172

GSK's Weybridge site

Weybridge, R&D Consumer Healthcare

St George's Avenue, Weybridge, Surrey, KT13 0DE
Tel: +44 (0)1932 822000

GSK's Worthing site

Worthing, manufacturing site

Southdownview Way, Worthing, West Sussex, BN14 8QH
Tel: +44 (0)1903 822000
More information about the Worthing site

UK manufacturing sites

Select a manufacturing locations for more information: