The Largest Advertising Agencies

List of largest advertising agencies in the world. These agencies are dedicated to strategizing, developing, and managing advertising campaigns, as well as various other marketing and promotional activities on behalf of their clients.
The Largest Advertising Agencies
Rank Logo Company Market Capitalization
1 Publicis Groupe
PUB.PA $26,366,994,111.00
$26,366,994,111.00
2 Omnicom
OMC $17,326,366,720.00
$17,326,366,720.00
3 Interpublic Group
IPG $12,428,480,512.00
$12,428,480,512.00
4 WPP
WPP.L $10,609,527,778.00
$10,609,527,778.00
5 JCDecaux
DEC.PA $4,455,920,376.00
$4,455,920,376.00
6 Ziff Davis
ZD $3,071,324,928.00
$3,071,324,928.00
7 Integral Ad Science
IAS $2,561,019,136.00
$2,561,019,136.00
8 Cimpress
CMPR $2,376,251,136.00
$2,376,251,136.00
9 BlueFocus Intelligent Communications
300058.SZ $2,217,095,831.00
$2,217,095,831.00
10 Criteo
CRTO $1,751,024,128.00
$1,751,024,128.00
11 Ascential
ASCL.L $1,696,635,349.00
$1,696,635,349.00
12 Magnite
MGNI $1,435,028,992.00
$1,435,028,992.00
13 Deluxe
DLX $879,093,120.00
$879,093,120.00
14 Clear Channel Outdoor
CCO $869,417,920.00
$869,417,920.00
15 QuinStreet
QNST $853,547,264.00
$853,547,264.00
16 Innocean Worldwide
214320.KS $667,587,673.00
$667,587,673.00
17 Boston Omaha
BOC $493,366,816.00
$493,366,816.00
18 Tremor International
TRMR $370,102,496.00
$370,102,496.00
19 Direct Digital Holdings
DRCT $255,582,864.00
$255,582,864.00
20 AdTheorent
ADTH $250,606,992.00
$250,606,992.00
21 Reworld Media
ALREW.PA $203,596,251.00
$203,596,251.00
22 Italian Exhibition Group
IEG.MI $160,491,101.00
$160,491,101.00
23 ADLPartner
DKUPL.PA $132,351,444.00
$132,351,444.00
24 Making Science Group
MAKS.MC $83,302,126.00
$83,302,126.00
25 Bilendi
ALBLD.PA $71,205,173.00
$71,205,173.00
26 Alkemy
ALK.MI $64,615,722.00
$64,615,722.00
27 1000mercis
ALMIL.PA $61,664,705.00
$61,664,705.00
28 HighCo
HCO.PA $58,736,233.00
$58,736,233.00
29 Hopscotch Groupe
ALHOP.PA $57,300,868.00
$57,300,868.00
30 Inuvo
INUV $54,530,488.00
$54,530,488.00
31 Obiz ConceptS
ALBIZ.PA $44,529,960.00
$44,529,960.00
32 Syzygy
SYZ.F $44,072,469.00
$44,072,469.00
33 Fluent
FLNT $38,659,408.00
$38,659,408.00
34 IMS
IMS.WA $34,046,718.00
$34,046,718.00
35 Invibes Advertising
ALINV.PA $31,938,578.00
$31,938,578.00
36 Stran & Company
SWAG $27,859,650.00
$27,859,650.00
37 Qwamplify
ALQWA.PA $24,437,772.00
$24,437,772.00
38 Nextedia
ALNXT.PA $23,570,952.00
$23,570,952.00
39 Pureprofile
PPL.AX $18,971,018.00
$18,971,018.00
40 Makheia
ALNMG.PA $13,021,825.00
$13,021,825.00
41 Solocal
LOCAL.PA $11,795,571.00
$11,795,571.00
42 Linkfire
LINKFI.ST $10,437,565.00
$10,437,565.00
43 AdUX
ADUX.PA $9,005,829.00
$9,005,829.00
44 Prismaflex International
ALPRI.PA $8,538,854.00
$8,538,854.00
45 Hopening
MLHPE.PA $6,429,712.00
$6,429,712.00
46 Digitree Group
DTR.WA $5,946,656.00
$5,946,656.00
47 Acheter-Louer.fr
ALALO.PA $14,476.00
$14,476.00
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