totalmarketcap

Largest advertising companies

Every US-listed advertising company we cover, 27 of them, ranked by market capitalisation, with revenue and earnings taken from their SEC filings.

Combined market cap

$34.041 B

0.03% of all US-listed value

Companies

27

Ranked #118 of 152 industries

Largest

Omnicom Group

OMC ยท market cap

Average

$1.261 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1Omnicom GroupOMC$20.7B$75.34-0.33% United States
2WPPWPP$5.55B$25.71+0.23% Ireland
3StagwellSTGW$2.08B$8.51+1.92% Canada
4Clear Channel OutdoorCCO$1.21B$2.38+0.00% United States
5IbottaIBTA$941.6M$40.64-1.09% United States
6GrouponGRPN$865.4M$21.28-3.49% United States
7MntnMNTN$838.5M$11.21-1.32% United States
8CriteoCRTO$825.6M$16.85+0.30% France
9AngiANGI$224.7M$5.54+1.09% United States
10National CineMediaNCMI$208.8M$2.22-0.89% United States
11Tjgc GroupTJGC$170.7M$16.90-3.87% Hong Kong
12FluentFLNT$110.6M$3.50+0.00% United States
13ThryvTHRY$88.0M$1.98-1.00% United States
14TravelzooTZOO$57.8M$5.67-0.87% United States
15IZEA WorldwideIZEA$45.6M$2.62+1.55% United States
16Harte HanksHHS$34.4M$4.62+0.00% United States
17Everbright DigitalEDHL$29.8M$5.00-3.57% Hong Kong
18Stran & CompanySWAG$28.1M$1.51+0.67% United States
19PSQPSQH$20.3M$5.45+0.55% United States
20Star Fashion CultureSTFS$11.7M$3.66+26.21% China
21InuvoINUV$9.42M$0.57-1.52% United States
22SurgePaysSURG$8.54M$0.16+0.88% United States
23Yueda DigitalYDKG$4.86M$0.88-0.35% China
24TNL MediageneTNMG$2.97M$3.91-9.91% Taiwan
25VS MEDIAVSME$2.23M$0.81-5.08% Singapore
26Direct DigitalDRCT$1.30M$1.62-4.71% United States
27Haoxi Health TechnologyHAO$1.04M$2.85+3.64% China

All 27 companies. One row per company, with secondary share classes folded into their primary listing. Updated 23 Sept 2026.

Sectors advertising companies sit in

Other industries

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.