GIPA (UK) Ltd

Trafal 11 Waterloo Place, SW1Y4AU, London, 020 7863 8879

Gabriel Ashworth Ltd

Monume 134 Liverpool Road, N11LA, London, 020 7700 2277

Gallup International

Kenbur 25 Coborn Road, E32DA, London, 020 8983 4509

Geiser Productions

7 The Grange Road, W53PQ, London, 020 8579 4653

Global Insight

Cardin 12 Farringdon Road, EC1M3NN, London, 020 7452 5000

Goldstein Market Intelligence

Suite 23, Fifth floor, 63/66 Hatton Gard, EC1N 8LE, London - London, 07520 644482

Green Light Research Ltd

11 The 2 Lowndes Court, W1F7HB, London, 020 7734 1314

Hall & Partners

Bankside 2, 90-100 Southwark Street, SE1 0SW, London, 020 8618 2500

Hallett Arendt

Coach 96A Curtain Road, EC2A3AA, London, 020 7739 7878

Harris International Marketing

Suite 5 Water Lane, NW18NZ, London, 020 7267 6565

I A L Consultants

The El 109 Uxbridge Road, W55TL, London, 020 8832 7780

I F F Research

3 Capr 16 Chart Street, N16DD, London, 020 7250 3035

I Q Research

Clere 3 Chapel Place, EC2A3DQ, London, 020 7749 9840

ICM Direct Ltd

Granby 6 Greenland Place, NW10AP, London, 020 7428 7870

ICURe Programme

UK Research and Innovation,Caxton House,, SW1H 9NA, London - Greater London England, 01793 413200

IFM International Ltd

Unit 3 258 Belsize Road, NW64BT, London, 020 7316 1878

IFR Europe

Queens Queen Caroline Street, W69RJ, London, 020 8600 2590

IMS Health

Unit 1 7 Harewood Avenue, NW16JB, London, 020 7393 5000

IMS Health H Q Ltd

Unit 1 7 Harewood Avenue, NW16JB, London, 020 7393 5100

IRB Ltd

Harlin 47-51 Great Suffolk Street, SE10BS, London, 020 7620 0007

Ian Callow

BUTTER 10 Wheatley Street, W1G8PS, London, 020 7486 1311

Icon Brand Navigation (UK) Ltd

Waterl 10 Theed Street, SE18ST, London, 020 7450 2690

Incite Consulting

Studio 49 Atalanta Street, SW66TU, London, 020 7381 5500

Independent Data Analysis

Aldine 33 Welbeck Street, W1G8EX, London, 020 7486 4300