| 1 |
Chubu Electric Power Company Incorporated
|
Unitedkingdom
|
Moorgate
|
2nd Floor
|
210 High Holborn
|
London
|
WC1V 7BP
|
N/A
|
1984
|
$23,857,889,000
|
30848
|
Foreign company
|
532
|
FC013033
|
*****@****.***
|
+4*****13
|
0336486314
|
| 2 |
Vertex Pharmaceuticals (europe) LIMITED
|
Unitedkingdom
|
Marylebone
|
Kingdom Street
|
N/A
|
London
|
W2 6BD
|
adhdandyou.*****
|
1994
|
$12,659,990,000
|
712
|
Corporation
|
56
|
02907620
|
*******@********.***
|
+4*****81
|
0694629044
|
| 3 |
Medimmune LIMITED
|
Unitedkingdom
|
Chesterton
|
1 Francis Crick Avenue
|
Cambridge Biomedical Campus
|
Cambridgeshire
|
CB2 0AA
|
astrazenecapersonaldataretention.*****
|
1989
|
$3,289,634,790
|
202
|
Corporation
|
474
|
02451177
|
******@******.***
|
+4*****71
|
0615833897
|
| 4 |
Illumina Cambridge LIMITED
|
Unitedkingdom
|
Cambridge
|
Illumina Centre
|
Granta Park, Great Abington
|
Cambridgeshire
|
CB21 6DF
|
illumina.*****
|
1998
|
$3,110,609,000
|
731
|
Corporation
|
64
|
03625145
|
*******@******.***
|
+4*****00
|
0347392102
|
| 5 |
Nielsen Holdings LIMITED
|
Unitedkingdom
|
Marston
|
Nielsen House
|
3130 John Smith Drive, Oxford Business Park South
|
Oxfordshire
|
OX4 2WB
|
nielsen.*****
|
2015
|
$2,898,796,424
|
15000
|
Corporation
|
136
|
09422989
|
******@******.***
|
+4*****00
|
0331745344
|
| 6 |
Glaxosmithkline Research & Development LIMITED
|
Unitedkingdom
|
Saint Giles
|
79 New Oxford Street
|
N/A
|
London
|
WC1A 1DG
|
gsk.*****
|
1965
|
$2,033,939,991
|
3224
|
Corporation
|
726
|
00835139
|
**********@***.***
|
+4*****00
|
0403224054
|
| 7 |
Qinetiq LIMITED
|
Unitedkingdom
|
Farnborough
|
Cody Technology Park
|
N/A
|
Hampshire
|
GU14 0LX
|
qinetiq.*****
|
2001
|
$1,580,550,839
|
5218
|
Corporation
|
92
|
03796233
|
***********@****.***
|
+4*****00
|
0349148112
|
| 8 |
Kudos Pharmaceuticals LIMITED
|
Unitedkingdom
|
Chesterton
|
327-328 Milton Road
|
Science Park
|
Cambridgeshire
|
CB4 0WG
|
kudospharma.*****
|
1997
|
$1,242,328,360
|
514
|
Corporation
|
474
|
03479984
|
************@********.***
|
|
0751959341
|
| 9 |
Moody`s Group UK LTD
|
Unitedkingdom
|
Stepney
|
1 Canada Square
|
N/A
|
London
|
E14 5FA
|
moodys.*****
|
2007
|
$509,252,495
|
334
|
Corporation
|
171
|
06384256
|
************@*****.***
|
+4*****00
|
0321272374
|
| 10 |
Yougov PLC
|
Unitedkingdom
|
Finsbury
|
50 Featherstone Street
|
N/A
|
London
|
EC1Y 8RT
|
yougov.*****
|
1998
|
$425,117,817
|
3035
|
Corporation
|
62
|
03607311
|
*****@*******.***
|
+4*****00
|
0347211500
|
| 11 |
Havas Media LIMITED
|
Unitedkingdom
|
Forstal
|
Havas House Hermitage Court
|
Hermitage Lane
|
Kent
|
ME16 9NT
|
havas.*****
|
1987
|
$376,961,830
|
563
|
Corporation
|
101
|
02103123
|
******@****.***
|
+4*****00
|
0410455642
|
| 12 |
The Kantar Group LIMITED
|
Unitedkingdom
|
Herne Hill
|
30 Stamford Street
|
N/A
|
London
|
SE1 9LQ
|
N/A
|
1994
|
$354,729,169
|
564
|
Corporation
|
373
|
02887671
|
*********@******.***
|
+4*****00
|
0689405567
|
| 13 |
Kantar UK LIMITED
|
Unitedkingdom
|
Ealing
|
T N S House
|
West Gate
|
London
|
W5 1UA
|
kantar.*****
|
1967
|
$339,292,552
|
1754
|
Corporation
|
373
|
03073845
|
******@***.***
|
+4*****07
|
0341510151
|
| 14 |
Ipsos Mori UK LIMITED
|
Unitedkingdom
|
Stepney
|
Thomas More Square
|
N/A
|
London
|
E1W 1YW
|
ipsos.*****
|
1982
|
$296,400,997
|
1420
|
Corporation
|
385
|
01640855
|
*******@*******.***
|
+4*****00
|
0338469623
|
| 15 |
Iranian Oil Company (U.K.) LIMITED
|
Unitedkingdom
|
London
|
24 Grosvenor Gardens
|
N/A
|
London
|
SW1W 0DH
|
iocukltd.*****
|
1971
|
$283,800,785
|
2
|
Corporation
|
4
|
01019769
|
***********@********.***
|
+4*****12
|
0403333540
|
| 16 |
Shell Research LIMITED
|
Unitedkingdom
|
Chester
|
Shell Technology Centre
|
N/A
|
Cheshire West and Chester
|
CH1 3SH
|
shell.*****
|
1954
|
$279,643,924
|
555
|
Corporation
|
6054
|
00539964
|
************@*****.***
|
+4*****00
|
0321376694
|
| 17 |
World Gold Council,an Association
|
Unitedkingdom
|
Moorgate
|
7th Floor
|
15 Fetter Lane
|
London
|
EC4A 1BW
|
gold.*****
|
1987
|
$274,440,000
|
62
|
Foreign company
|
8
|
FC014324
|
**********@*****.***
|
+4*****00
|
0509824531
|
| 18 |
Synnovis Group Llp
|
Unitedkingdom
|
London
|
Friars Bridge Court
|
41-43 Blackfriars Road
|
London
|
SE1 8NZ
|
N/A
|
2008
|
$260,896,296
|
1844
|
Partnership of unknown type
|
N/A
|
OC337242
|
*****@****.***
|
+4*****00
|
0322308794
|
| 19 |
Acuity Knowledge Partners (UK) LIMITED
|
Unitedkingdom
|
Moorgate
|
4th Floor, Martin House
|
5 Martin Lane
|
London
|
EC4R 0DP
|
acuitykp.*****
|
2002
|
$249,090,000
|
237
|
Corporation
|
9
|
04590033
|
*********@********.***
|
+4*****99
|
0844273662
|
| 20 |
Worldwide Clinical Trials LIMITED
|
Unitedkingdom
|
City of London
|
One Fleet Place
|
N/A
|
London
|
EC4M 7WS
|
N/A
|
2007
|
$230,287,621
|
452
|
Corporation
|
13
|
06291766
|
*******@*****.***
|
|
0321153498
|
| 21 |
Moody's Investors Service LIMITED
|
Unitedkingdom
|
Canary Wharf
|
Canary Wharf
|
Canada Square
|
London
|
E14 5FA
|
moodys.*****
|
1985
|
$219,705,358
|
377
|
Corporation
|
171
|
01950192
|
*****@********.***
|
+4*****00
|
0339440169
|
| 22 |
Bioreliance LTD.
|
Unitedkingdom
|
Glasgow
|
Todd Campus
|
West of Scotland Science Park
|
Glasgow City
|
G20 0XA
|
bioreliance.*****
|
1990
|
$219,627,174
|
767
|
Corporation
|
765
|
SC122851
|
************@*******.***
|
+4*****99
|
0616115667
|
| 23 |
Mintel Group LTD
|
Unitedkingdom
|
Moorgate
|
Mintel House
|
4 Playhouse Yard
|
London
|
EC4V 5EX
|
mintel.*****
|
2001
|
$208,137,675
|
1184
|
Corporation
|
37
|
01475918
|
*********@*****.***
|
+4*****92
|
0338238986
|
| 24 |
Ergomed Group LIMITED
|
Unitedkingdom
|
Onslow Village
|
1 Occam Court
|
Occam Road, Surrey Research Park
|
Surrey
|
GU2 7HJ
|
ergomedplc.*****
|
1997
|
$199,514,358
|
1525
|
Corporation
|
502
|
04081094
|
******@*******.***
|
+4*****20
|
0331907287
|
| 25 |
Globaldata UK LTD
|
Unitedkingdom
|
Moorgate
|
John Carpenter House
|
John Carpenter Street
|
London
|
EC4Y 0AN
|
globaldata.*****
|
2006
|
$189,683,725
|
1020
|
Corporation
|
60
|
05968121
|
******@******.***
|
+4*****00
|
0627625610
|
| 26 |
Nectar 360 Services Llp
|
Unitedkingdom
|
Moorgate
|
33 Charterhouse Street
|
N/A
|
London
|
EC1M 6HA
|
nectar360.*****
|
2012
|
$183,720,316
|
107
|
Partnership of unknown type
|
N/A
|
OC378624
|
**********@****.***
|
+4*****00
|
0329707407
|
| 27 |
Charles River Laboratories Edinburgh LIMITED
|
Unitedkingdom
|
Tranent
|
Elpinstone Research Centre
|
N/A
|
East Lothian
|
EH33 2NE
|
criver.*****
|
1970
|
$171,628,931
|
1359
|
Corporation
|
200
|
SC091725
|
************@********.***
|
+4*****45
|
0407610464
|
| 28 |
Circana (UK) LTD
|
Unitedkingdom
|
Marylebone
|
54 Portland Place
|
N/A
|
London
|
W1B 1DY
|
iriworldwide.*****
|
1982
|
$168,405,215
|
469
|
Corporation
|
77
|
02714161
|
******@****.***
|
+4*****00
|
0883785895
|
| 29 |
Oxford Biomedica PLC
|
Unitedkingdom
|
Oxford
|
Windrush Court
|
Transport Way, Cowley
|
Oxfordshire
|
OX4 6LT
|
oxfordbiomedica.*****
|
1995
|
$163,273,639
|
845
|
Corporation
|
15
|
03252665
|
******@********.***
|
+4*****00
|
0636776505
|
| 30 |
Liverpool School Of Tropical Medicine
|
Unitedkingdom
|
Liverpool
|
Liverpool School of Tropical Medici
|
Pembroke Place
|
Liverpool, Merseyside
|
L3 5QA
|
lstmed.*****
|
1898
|
$162,053,187
|
820
|
Corporation
|
4
|
00083405
|
******@*****.***
|
+4*****00
|
0402954773
|
| 31 |
A.C. Nielsen Company LIMITED
|
Unitedkingdom
|
Marston
|
Nielsen House
|
John Smith Drive, Oxford Business Park South
|
Oxfordshire
|
OX4 2WB
|
nielsen.*****
|
1996
|
$146,407,502
|
728
|
Corporation
|
297
|
03263498
|
*********@******.***
|
+4*****00
|
0654864895
|
| 32 |
Bernstein Autonomous Llp
|
Unitedkingdom
|
Moorgate
|
60 London Wall
|
N/A
|
London
|
EC2M 5SH
|
N/A
|
2009
|
$135,903,019
|
216
|
Partnership of unknown type
|
N/A
|
OC343985
|
*********@***.***
|
+4*****00
|
0322677226
|
| 33 |
Ipsos EMEA Holdings LTD
|
Unitedkingdom
|
Stepney
|
3 Thomas More Square
|
N/A
|
London
|
E1W 1YW
|
ipsos.*****
|
2003
|
$135,451,111
|
500
|
Corporation
|
385
|
04997072
|
**********@****.***
|
+4*****00
|
0848503390
|
| 34 |
The Manufacturing Technology Centre LIMITED
|
Unitedkingdom
|
Withybrook
|
Pilot Way Ansty Business Park
|
Ansty
|
Warwickshire
|
CV7 9JU
|
the-mtc.*****
|
2009
|
$131,431,942
|
955
|
Corporation
|
5
|
06815480
|
*******@*******.***
|
+4*****00
|
0322638729
|
| 35 |
Ipsos (market Research) LTD
|
Unitedkingdom
|
Stepney
|
3 Thomas More Square
|
N/A
|
London
|
E1W 1YW
|
ipsos.*****
|
1969
|
$126,444,599
|
610
|
Corporation
|
385
|
00948470
|
**********@*******.***
|
+4*****00
|
0338368296
|
| 36 |
Lightspeed Research LTD.
|
Unitedkingdom
|
Herne Hill
|
South Bank Central
|
30 Stamford Street
|
London
|
SE1 9LQ
|
N/A
|
2000
|
$123,460,633
|
275
|
Corporation
|
373
|
03958994
|
***********@***.***
|
|
0350813227
|
| 37 |
Mathematical Market Research LIMITED
|
Unitedkingdom
|
Wallingford
|
Wallingford House
|
46 High Street
|
Oxfordshire
|
OX10 0DB
|
mmr-research.*****
|
1990
|
$118,308,788
|
975
|
Corporation
|
7
|
02304169
|
*****@********.***
|
+4*****99
|
0611370282
|
| 38 |
Forrester Research LIMITED
|
Unitedkingdom
|
Marylebone
|
61 Aldwych
|
8th Floor
|
London
|
WC2B 4AE
|
forrester.*****
|
1997
|
$109,738,669
|
291
|
Corporation
|
35
|
03400112
|
**********@*****.***
|
+4*****00
|
0631447425
|
| 39 |
Mergermarket LIMITED
|
Unitedkingdom
|
Moorgate
|
10 Queen St Place
|
N/A
|
London
|
EC4R 1BE
|
mergermarketgroup.*****
|
2000
|
$105,000,931
|
227
|
Corporation
|
317
|
03879547
|
*********@****.***
|
+4*****00
|
0349996140
|
| 40 |
Icon Clinical Research (U.K.) LIMITED
|
Unitedkingdom
|
Southcote
|
3rd Floor
|
100 Longwater Avenue, Park, Green
|
Reading
|
RG2 6GP
|
N/A
|
1991
|
$102,902,182
|
540
|
Corporation
|
198
|
02541764
|
**********@*******.***
|
|
0873770106
|
| 41 |
Experian Technology LIMITED
|
Unitedkingdom
|
Manchester
|
Suite 206 Peter House
|
Oxford Street
|
Manchester, Greater Manchester
|
M1 5AN
|
techolony.*****
|
1994
|
$102,822,000
|
20
|
Corporation
|
292
|
03978091
|
*****@****.***
|
|
0351009530
|
| 42 |
UK Biobank LIMITED
|
Unitedkingdom
|
Woodley
|
UK Biobank Ltd
|
Unit 1, 2 Spectrum Way
|
Manchester, Greater Manchester
|
SK3 0SA
|
ukbiobank.*****
|
2003
|
$101,001,607
|
282
|
Corporation
|
N/A
|
04978912
|
********@******.***
|
+4*****60
|
0848316434
|
| 43 |
Microsoft Research LIMITED
|
Unitedkingdom
|
Cambridge
|
Microsoft Building
|
21 Station Road
|
Cambridgeshire
|
CB1 2FB
|
research.*****
|
1997
|
$99,231,086
|
202
|
Corporation
|
1269
|
03369488
|
*****@******.***
|
+4*****00
|
0631135106
|
| 44 |
Iqvia Biotech LTD.
|
Unitedkingdom
|
Stevenage
|
Abel Smith House
|
Gunnels Wood Road
|
Hertfordshire
|
SG1 2ST
|
novellaclinical.*****
|
1997
|
$97,307,270
|
145
|
Corporation
|
618
|
03299057
|
***********@*****.***
|
+4*****22
|
0489591788
|
| 45 |
The Biotechnology And Biological Sciences Research Council
|
Unitedkingdom
|
Kembrey Park
|
Polaris House
|
North Star Avenue
|
Swindon
|
SN2 1FL
|
bbsrc.*****
|
1993
|
$97,138,127
|
1800
|
Corporation
|
N/A
|
RC000707
|
*******@*******.***
|
+4*****00
|
0337995868
|
| 46 |
Purolite LTD
|
Unitedkingdom
|
Pontyclun
|
Unit D
|
Llantrisant Business Park
|
Rhondda Cynon Taff
|
CF72 8LF
|
purolite.*****
|
1984
|
$94,731,223
|
295
|
Corporation
|
607
|
01840987
|
******@***.***
|
+4*****34
|
0401063271
|
| 47 |
John Innes Centre
|
Unitedkingdom
|
Eaton
|
John Innes Institute
|
Colney Lane, Colney
|
Norfolk
|
NR4 7UH
|
jic.*****
|
1976
|
$94,437,088
|
346
|
Corporation
|
5
|
00511709
|
*********@*******.***
|
+4*****00
|
0330216019
|
| 48 |
Quotient Sciences LIMITED
|
Unitedkingdom
|
Bunny
|
Mere Way
|
Ruddington Fields Business Park, Ruddington
|
Nottinghamshire
|
NG11 6JS
|
quotientsciences.*****
|
2004
|
$92,572,727
|
653
|
Corporation
|
68
|
05221615
|
**********@*****.***
|
+4*****00
|
0850818651
|
| 49 |
Council For The Central Laboratory Of The Research Councils
|
Unitedkingdom
|
Kembrey Park
|
Polaris Ho, North Star Ave
|
N/A
|
Swindon
|
SN2 1ET
|
N/A
|
2009
|
$92,107,996
|
1722
|
|
2
|
N/A
|
***********@******.***
|
|
0336434934
|
| 50 |
Premier Research Group LIMITED
|
Unitedkingdom
|
Reading
|
Spaces
|
9 Greyfriars Road
|
Reading
|
RG1 1NU
|
premier-research.*****
|
2003
|
$87,792,649
|
244
|
Corporation
|
38
|
04671020
|
*********@****.***
|
+4*****00
|
0845086923
|
| 51 |
Twi LIMITED
|
Unitedkingdom
|
Cambridge
|
Granta Park
|
Great Abington
|
Cambridgeshire
|
CB21 6AL
|
twi-global.*****
|
1946
|
$85,783,396
|
512
|
Corporation
|
19
|
03859442
|
*********@******.***
|
+4*****00
|
0349790889
|
| 52 |
Dynata Global UK LTD
|
Unitedkingdom
|
Stepney
|
Devon House, 58 St. Katharines Way
|
N/A
|
London
|
E1W 1LP
|
N/A
|
2014
|
$84,569,368
|
357
|
Corporation
|
48
|
03975073
|
*******@***.***
|
+4*****00
|
0350979119
|
| 53 |
UK Shared Business Services LIMITED
|
Unitedkingdom
|
Kembrey Park
|
Polaris House
|
North Star Avenue
|
Swindon
|
SN2 1FF
|
uksbs.*****
|
2007
|
$81,790,397
|
677
|
Corporation
|
N/A
|
06330639
|
************@******.***
|
+4*****00
|
0321203402
|
| 54 |
Cru International LIMITED
|
Unitedkingdom
|
City of London
|
1st Floor Mid City Place
|
71 High Holborn
|
London
|
WC1V 6EA
|
crugroup.*****
|
1969
|
$81,490,553
|
293
|
Corporation
|
11
|
00940750
|
********@********.***
|
+4*****00
|
0338121555
|
| 55 |
Fortrea Clinical Research Unit LIMITED
|
Unitedkingdom
|
Collingham
|
Drapers Yard
|
Marshall Street
|
Leeds, West Yorkshire
|
LS11 9EH
|
covance.*****
|
1991
|
$78,703,645
|
363
|
Corporation
|
130
|
02655166
|
*********@*******.***
|
+4*****00
|
0881113743
|
| 56 |
Project Further Topco LIMITED
|
Unitedkingdom
|
Saint Giles
|
Warner House
|
98 Theobalds Road
|
London
|
WC1X 8WB
|
N/A
|
2019
|
$78,021,847
|
422
|
Corporation
|
13
|
11884896
|
************@*****.***
|
|
0336032483
|
| 57 |
Ecri
|
Unitedkingdom
|
Water End
|
Unit 2 Falcon Gate
|
Falcon Way, Shire Park
|
Hertfordshire
|
AL7 1TW
|
ecri.*****
|
1995
|
$77,362,650
|
9
|
Foreign company
|
2
|
FC018589
|
********@****.***
|
+4*****01
|
0535054988
|
| 58 |
Idc UK LIMITED
|
Unitedkingdom
|
Canary Wharf
|
C/o Csc Cls UK Ltd
|
10th Floor, 5 Churchill Place
|
London
|
E14 5HU
|
idc.*****
|
1969
|
$76,199,945
|
251
|
Corporation
|
1901
|
00960665
|
*****@***.***
|
+4*****00
|
0338227864
|
| 59 |
Globalwebindex Holdings LIMITED
|
Unitedkingdom
|
Moorgate
|
25 Farringdon Street
|
N/A
|
London
|
EC4A 4AB
|
globalwebindex.*****
|
2008
|
$76,067,368
|
561
|
Corporation
|
5
|
10290233
|
***********@********.***
|
+4*****14
|
0333061859
|
| 60 |
Bre Trust
|
Unitedkingdom
|
Chiswell Green
|
Bucknalls Lane
|
N/A
|
Hertfordshire
|
WD25 9NH
|
bre.*****
|
1996
|
$76,051,477
|
593
|
Corporation
|
12
|
03282856
|
************@******.***
|
|
0490866800
|
| 61 |
Ipsos Pan Africa Holdings LTD
|
Unitedkingdom
|
Rotherhithe
|
Minerva House
|
5 Montague Close
|
London
|
SE1 9AY
|
N/A
|
2001
|
$71,943,845
|
500
|
Corporation
|
385
|
04138425
|
*********@***.***
|
|
0332304807
|
| 62 |
Samsung Cambridge Solution Centre LIMITED
|
Unitedkingdom
|
Chesterton
|
St. Johns Innovation Centre
|
Cowley Road
|
Cambridgeshire
|
CB4 0DS
|
pluginrecruiter.*****
|
2012
|
$68,004,841
|
185
|
Corporation
|
22
|
08226456
|
*******@********.***
|
+4*****00
|
0329714035
|
| 63 |
Nesta
|
Unitedkingdom
|
Moorgate
|
58 Victoria Embankment
|
N/A
|
London
|
EC4Y 0DS
|
challengeworks.*****
|
2011
|
$66,516,646
|
494
|
Corporation
|
11
|
07706036
|
***********@********.***
|
+4*****00
|
0328475863
|
| 64 |
Apollo Contact Centre
|
Unitedkingdom
|
Glenariffe
|
Unit 2/6
|
Boucher Business Centre, Apollo Road
|
Belfast
|
BT12 6HP
|
niapollo.*****
|
2011
|
$66,324,550
|
1300
|
|
N/A
|
N/A
|
*******@********.***
|
|
0328936351
|
| 65 |
Gfk U.K. LIMITED
|
Unitedkingdom
|
Rotherhithe
|
7th Floor
|
110 Southwark Street
|
London
|
SE1 0SU
|
gfk.*****
|
1990
|
$65,940,151
|
384
|
Corporation
|
297
|
02512551
|
*********@***.***
|
+4*****00
|
0616759307
|
| 66 |
National Centre For Social Research
|
Unitedkingdom
|
Finsbury
|
35 Northampton Square
|
N/A
|
London
|
EC1V 0AX
|
natcen.*****
|
1969
|
$65,768,578
|
434
|
Corporation
|
3
|
04392418
|
***********@******.***
|
+4*****66
|
0535158537
|
| 67 |
Kantar Media Audiences LIMITED
|
Unitedkingdom
|
Saint Giles
|
222, Gray'S Inn Road
|
N/A
|
London
|
WC1X 8HB
|
kantar.*****
|
2022
|
$65,399,092
|
297
|
Corporation
|
373
|
14133982
|
*******@******.***
|
+4*****00
|
0340082029
|
| 68 |
Hvivo Services LIMITED
|
Unitedkingdom
|
Stepney
|
Tower Hamlets
|
Q M B Innovation Centre, 42 New Road
|
London
|
E1 2AX
|
hvivo.*****
|
1988
|
$60,180,375
|
196
|
Corporation
|
11
|
02326557
|
********@*******.***
|
+4*****00
|
0612595293
|
| 69 |
Verian Group UK LIMITED
|
Unitedkingdom
|
London
|
4 Millbank
|
N/A
|
London
|
SW1P 3JA
|
acgroup.*****
|
1967
|
$59,889,705
|
303
|
Corporation
|
36
|
13663077
|
******@*******.***
|
|
0339452016
|
| 70 |
Mori LIMITED
|
Unitedkingdom
|
Rotherhithe
|
77-81 Borough Road
|
N/A
|
London
|
SE1 1FY
|
ipsos-mori.*****
|
2000
|
$59,002,508
|
900
|
Corporation
|
385
|
03904207
|
********@***.***
|
+4*****00
|
0350249521
|
| 71 |
Energy Aspects LTD
|
Unitedkingdom
|
Stepney
|
Level 10 25 North Colonnade
|
N/A
|
London
|
E14 5HZ
|
energyaspects.*****
|
2012
|
$56,776,102
|
207
|
Corporation
|
8
|
08165711
|
*********@***.***
|
|
0329633837
|
| 72 |
Kynetec UK LIMITED
|
Unitedkingdom
|
Leckhampstead
|
Unit 1 Weston Court
|
Lambourn Road, Weston
|
West Berkshire
|
RG20 8JE
|
kynetec.*****
|
2010
|
$56,738,554
|
286
|
Corporation
|
29
|
04229246
|
*********@********.***
|
+4*****30
|
0333222618
|
| 73 |
The Pirbright Institute
|
Unitedkingdom
|
Pirbright Camp
|
Ash Road
|
Pirbright
|
Surrey
|
GU24 0NF
|
pirbright.*****
|
1977
|
$56,689,919
|
384
|
Corporation
|
4
|
00559784
|
**********@******.***
|
+4*****41
|
0337668787
|
| 74 |
Savanta Group LIMITED
|
Unitedkingdom
|
Marylebone
|
60 Great Portland Street
|
N/A
|
London
|
W1W 7RT
|
savanta.*****
|
2005
|
$55,577,616
|
347
|
Corporation
|
89
|
SC281352
|
**********@******.***
|
+4*****34
|
0456904169
|
| 75 |
I B E R S
|
Unitedkingdom
|
Llanon
|
Aberystwyth University
|
Penrhyncoch
|
Ceredigion
|
SY23 3EE
|
aber.*****
|
2015
|
$53,965,626
|
1000
|
Proprietorship
|
N/A
|
N/A
|
*******@*******.***
|
+4*****11
|
0333640813
|
| 76 |
The Economic & Social Research Council
|
Unitedkingdom
|
Kembrey Park
|
Polaris House
|
North Star Avenue
|
Swindon
|
SN2 1FL
|
N/A
|
1965
|
$53,965,626
|
1000
|
Government body
|
9981
|
N/A
|
******@***.***
|
+4*****69
|
0350989162
|
| 77 |
R C UK Executive Directorate
|
Unitedkingdom
|
Kembrey Park
|
Polaris House
|
North Star Avenue
|
Swindon
|
SN2 1EU
|
rcuk.*****
|
2015
|
$50,503,633
|
1000
|
|
N/A
|
N/A
|
*****@****.***
|
+4*****74
|
0335131695
|
| 78 |
Rothamsted Research LIMITED
|
Unitedkingdom
|
Harpenden
|
Rothamsted Research
|
West Common
|
Hertfordshire
|
AL5 2JQ
|
rothamsted.*****
|
1989
|
$50,407,820
|
373
|
Corporation
|
6
|
02393175
|
*********@****.***
|
+4*****33
|
0337500554
|
| 79 |
The Research Partnership LTD.
|
Unitedkingdom
|
Parsons Green
|
81-83 Fulham High Street
|
N/A
|
London
|
SW6 3JW
|
researchpartnership.*****
|
1997
|
$49,356,801
|
201
|
Corporation
|
95
|
03350410
|
******@********.***
|
+4*****00
|
0630940208
|
| 80 |
Toluna UK LIMITED
|
Unitedkingdom
|
Ealing
|
85 Uxbridge Road
|
N/A
|
London
|
W5 5TH
|
toluna-group.*****
|
2000
|
$48,453,856
|
77
|
Corporation
|
61
|
03956201
|
*****@****.***
|
+4*****00
|
0350784254
|
| 81 |
Gfk Retail And Technology UK LTD
|
Unitedkingdom
|
Rotherhithe
|
7th Floor
|
Blue Fin Building, 110 Southwark Street
|
London
|
SE1 0SU
|
gfk.*****
|
1989
|
$48,118,361
|
219
|
Corporation
|
297
|
02450463
|
*******@***.***
|
+4*****00
|
0615826677
|
| 82 |
System1 Group PLC
|
Unitedkingdom
|
Saint Johns Wood
|
26 Hatton Garden
|
N/A
|
London
|
EC1N 8BR
|
system1group.*****
|
2000
|
$47,343,329
|
167
|
Corporation
|
9
|
05940040
|
***********@******.***
|
+4*****00
|
0890824469
|
| 83 |
Ct Group (UK) Trading LIMITED
|
Unitedkingdom
|
Marylebone
|
Trafalgar Square One Strand
|
N/A
|
London
|
WC2N 5EJ
|
N/A
|
2010
|
$44,125,610
|
156
|
Corporation
|
11
|
07196537
|
*****@********.***
|
+4*****70
|
0327767432
|
| 84 |
Gerson Lehrman Group LIMITED
|
Unitedkingdom
|
London
|
3rd Floor One Fitzroy Place
|
6 Mortimer Street
|
London
|
W1T 3JJ
|
glgroup.*****
|
2002
|
$43,352,125
|
283
|
Corporation
|
22
|
04593813
|
*******@******.***
|
+4*****00
|
0844311132
|
| 85 |
The International Institute For Strategic Studies
|
Unitedkingdom
|
Marylebone
|
Arundel House
|
6 Temple Place
|
London
|
WC2R 2PG
|
iiss.*****
|
1958
|
$42,770,571
|
163
|
Corporation
|
4
|
00615259
|
*******@******.***
|
+4*****76
|
0338413829
|
| 86 |
Prosapient LIMITED
|
Unitedkingdom
|
Moorgate
|
5 Floor
|
33 Holborn
|
London
|
EC1N 2HT
|
prosapient.*****
|
2017
|
$41,899,412
|
227
|
Corporation
|
2
|
10704431
|
******@***.***
|
+4*****00
|
0333988597
|
| 87 |
Mmr Research Worldwide LIMITED
|
Unitedkingdom
|
Wallingford
|
Wallingford House
|
46, High Street
|
Oxfordshire
|
OX10 0DB
|
mmr-research.*****
|
2001
|
$40,129,139
|
257
|
Corporation
|
7
|
04182527
|
*******@********.***
|
+4*****06
|
0332750760
|
| 88 |
Satellite Applications Catapult LIMITED
|
Unitedkingdom
|
Harwell Campus
|
Electron Building
|
Fermi Avenue, Harwell Campus
|
Oxfordshire
|
OX11 0QR
|
sa.*****
|
2012
|
$39,913,537
|
199
|
Corporation
|
2
|
07964746
|
************@***.***
|
+4*****00
|
0329368670
|
| 89 |
Beatson Institute For Cancer Research
|
Unitedkingdom
|
Torrance
|
Garscube Estate
|
Switchback Road, Bearsden
|
East Dunbartonshire
|
G61 1BD
|
gla.*****
|
1983
|
$38,773,055
|
316
|
Corporation
|
N/A
|
SC084170
|
************@*****.***
|
+4*****53
|
0347565397
|
| 90 |
Promega UK LIMITED
|
Unitedkingdom
|
Chilworth
|
2 Benham Road
|
Southampton Science Park, Chilworth
|
Hampshire
|
SO16 7QJ
|
promega.*****
|
1989
|
$38,063,110
|
57
|
Corporation
|
30
|
02423510
|
********@********.***
|
+4*****25
|
0615465990
|
| 91 |
Odi Global
|
Unitedkingdom
|
London
|
4 Millbank
|
N/A
|
London
|
SW1P 3JA
|
ad-international.*****
|
1965
|
$37,971,801
|
186
|
Corporation
|
2
|
00661818
|
*****@******.***
|
+4*****40
|
0338130126
|
| 92 |
Thatcham Research
|
Unitedkingdom
|
Thatcham
|
Colthrop Way
|
N/A
|
West Berkshire
|
RG19 4NR
|
thatcham.*****
|
1984
|
$37,337,038
|
265
|
Corporation
|
N/A
|
00967763
|
***********@*******.***
|
+4*****55
|
0337534032
|
| 93 |
Evidera LTD
|
Unitedkingdom
|
Shepherd'S Bush
|
The Ark 201 Talgarth Road
|
Hammersmith
|
London
|
W6 8BJ
|
evidera.*****
|
1995
|
$37,209,198
|
136
|
Corporation
|
1812
|
03084988
|
*******@*****.***
|
+4*****00
|
0601865888
|
| 94 |
Escalent LIMITED
|
Unitedkingdom
|
Onslow Village
|
21 Frederick Sanger Road
|
N/A
|
Surrey
|
GU2 7YD
|
morpace.*****
|
1996
|
$37,009,822
|
194
|
Corporation
|
22
|
03294574
|
******@********.***
|
+4*****00
|
0620752282
|
| 95 |
Ey-Seren LIMITED
|
Unitedkingdom
|
Rotherhithe
|
1 More London Place
|
N/A
|
London
|
SE1 2AF
|
ey.*****
|
2001
|
$35,338,938
|
164
|
Corporation
|
68
|
04151569
|
********@***.***
|
+4*****00
|
0332437282
|
| 96 |
Symprove LTD
|
Unitedkingdom
|
Tongham
|
Sandy Farm
|
Sands Road, the Sands
|
Surrey
|
GU10 1PX
|
symprove.*****
|
2005
|
$35,151,329
|
101
|
Corporation
|
8
|
05395143
|
*********@*****.***
|
+4*****00
|
0456986092
|
| 97 |
Worldone Research LIMITED
|
Unitedkingdom
|
Marylebone
|
42 Berners Street
|
N/A
|
London
|
W1T 3ND
|
N/A
|
2000
|
$34,364,198
|
165
|
Corporation
|
12
|
03983598
|
********@********.***
|
|
0351064473
|
| 98 |
Yonder Consulting Group LIMITED
|
Unitedkingdom
|
Finsbury
|
Northburgh House
|
10 Northburgh Street
|
London
|
EC1V 0AT
|
populus.*****
|
2014
|
$33,452,497
|
187
|
Corporation
|
5
|
08910939
|
*********@***.***
|
+4*****00
|
0331032228
|
| 99 |
Institute Of Development Studies(the)
|
Unitedkingdom
|
Coldean
|
At the University of Sussex
|
Falmer
|
Brighton and Hove
|
BN1 9RE
|
ids.*****
|
1966
|
$33,328,124
|
251
|
Corporation
|
N/A
|
00877338
|
*******@***.***
|
+4*****61
|
0403247847
|
| 100 |
Yonder Consulting LIMITED
|
Unitedkingdom
|
Finsbury
|
Northburgh House
|
10 Northburgh Street
|
London
|
EC1V 0AT
|
N/A
|
2001
|
$32,564,119
|
181
|
Corporation
|
5
|
04153928
|
*****@***.***
|
|
0332460896
|