| MSLGroup mslgroup.com | Atlanta, 🇺🇸 United States | 3.8K | $1260.6M | - | - | - |
| Fleishman-Hillard fleishmanhillard.com | St. Louis, 🇺🇸 United States | 2.8K | $887.1M | - | - | 3% |
| Ketchum ketchum.com | New York, 🇺🇸 United States | 1.4K | $468.1M | - | - | -14% |
| Burson-Marsteller burson-marsteller.com | New York, 🇺🇸 United States | 1.2K | $377.4M | - | - | -11% |
| ID id-pr.com | Los Angeles, 🇺🇸 United States | 1.1K | $370.2M | - | - | 53% |
| DDC ddcpublicaffairs.com | Washington, 🇺🇸 United States | 1.1K | $351.2M | - | - | - |
| ODOT columbiarivercrossing.org | Portland, 🇺🇸 United States | 1.1K | $346.9M | - | - | 4% |
| Finsbury finsbury.com | London, 🇬🇧 United Kingdom | 962 | $315.2M | - | - | 9% |
| VMS vmsinfo.com | New York, 🇺🇸 United States | 544 | $159.1M | - | - | 7% |
| DKC dkcnews.com | New York, 🇺🇸 United States | 495 | $144.8M | - | - | 4% |
| MWWPR mww.com | New York, 🇺🇸 United States | 423 | $123.7M | - | - | -3% |
| KCD kcdworldwide.com | New York, 🇺🇸 United States | 400 | $117.0M | - | - | 3% |
| afandco. afandco.com | San Francisco, 🇺🇸 United States | 331 | $96.8M | - | - | 1% |
| Reingold reingold.com | Alexandria, 🇺🇸 United States | 328 | $95.9M | - | - | 6% |
| Frank welcometofrank.com | 🇬🇧 United Kingdom | 324 | $94.8M | - | - | 0% |
| Franco franco.com | Detroit, 🇺🇸 United States | 305 | $89.2M | - | - | 20% |
| Consultante luluetcastagnette.com | 🇨🇦 Canada | 281 | $72.3M | - | - | 12% |
| GMMB gmmb.com | Washington, 🇺🇸 United States | 279 | $71.8M | - | - | -4% |
| freuds freuds.com | 🇬🇧 United Kingdom | 264 | $68.0M | - | - | -7% |
| SVM svmpr.com | Providence, 🇺🇸 United States | 263 | $67.7M | - | - | 4% |
| Padilla padillaco.com | Minneapolis, 🇺🇸 United States | 252 | $64.9M | - | - | 9% |
| Lambert lambert.com | Grand Rapids, 🇺🇸 United States | 243 | $62.5M | - | - | 5% |
| Mynewsdesk mynewsdesk.com | london, 🇬🇧 United Kingdom | 240 | $61.8M | - | - | - |
| Smarts smarts.agency | 🇬🇧 United Kingdom | 239 | $61.5M | - | - | 5% |
| AxiCom axicom.com | London, 🇬🇧 United Kingdom | 237 | $61.0M | - | - | 13% |
| JHL jhlcompany.com | Austin, 🇺🇸 United States | 226 | $58.2M | - | - | 3% |
| PRCA prca.org.uk | London, 🇬🇧 United Kingdom | 222 | $57.1M | - | - | 0% |
| SKDKnickerbocker skdknick.com | Washington, 🇺🇸 United States | 215 | $55.3M | - | - | - |
| scarlettabbott scarlettabbott.co.uk | 🇬🇧 United Kingdom | 215 | $58.2M | - | - | 226% |
| Brands2Life brands2life.com | London, 🇬🇧 United Kingdom | 213 | $54.8M | - | - | -4% |
| Vocus vocus.com | Beltsville, 🇺🇸 United States | 198 | $51.0M | - | - | - |
| SUTTON suttonpr.com | London, 🇬🇧 United Kingdom | 198 | $51.0M | - | - | 43% |
| Fenton fenton.com | New York, 🇺🇸 United States | 191 | $49.2M | - | - | 2% |
| PRoduce produce-nyc-ams.com | 🇺🇸 United States | 189 | $48.6M | - | - | 5% |
| Camargue camargue.uk | London, 🇬🇧 United Kingdom | 184 | $47.4M | - | - | 27% |
| InkHouse inkhouse.com | Waltham, 🇺🇸 United States | 180 | $46.3M | - | - | 7% |
| Praytell praytellagency.com | Brooklyn, 🇺🇸 United States | 179 | $46.1M | - | - | 3% |
| Rubenstein rubenstein.com | New York, 🇺🇸 United States | 176 | $45.3M | - | - | 5% |
| LaFORCE laforce.nyc | New York, 🇺🇸 United States | 173 | $44.5M | - | - | 18% |
| Burrelle burrelles.com | Florham Park, 🇺🇸 United States | 167 | $43.0M | - | - | -8% |
| Lansons lansons.com | London, 🇬🇧 United Kingdom | 161 | $41.4M | - | - | 0% |
| DGPR davidgardinerpr.com | Perth, 🇺🇸 United States | 159 | $40.9M | - | - | 8% |
| Citypress citypress.co.uk | Manchester, 🇬🇧 United Kingdom | 153 | $39.4M | - | - | 5% |
| PublicRelay publicrelay.com | Tysons, 🇺🇸 United States | 142 | $36.6M | - | - | -14% |
| SSPR sspr.com | Colorado Springs, 🇺🇸 United States | 141 | $36.3M | - | - | -2% |
| Flag flag.co.uk | Impington, 🇬🇧 United Kingdom | 138 | $32.3M | - | - | -6% |
| BPCM bpcm.com | New York, 🇺🇸 United States | 132 | $30.9M | - | - | 7% |
| Stanton stantonprm.com | New York, 🇺🇸 United States | 130 | $30.4M | - | - | 33% |
| Rowland rowland.com.au | Brisbane, 🇦🇺 Australia | 129 | $30.2M | - | - | 3% |
| Launchsquad launchsquad.com | San Francisco, 🇺🇸 United States | 124 | $29.0M | - | - | 5% |
| Pinkston pinkston.co | Falls Church, 🇺🇸 United States | 122 | $28.5M | - | - | 12% |
| Cirkle cirkle.com | Beaconsfield, 🇬🇧 United Kingdom | 121 | $28.3M | - | - | -46% |
| AZIONE azionepr.com | Los Angeles, 🇺🇸 United States | 120 | $28.1M | - | - | 3% |
| Spitfire spitfirestrategies.com | Washington, 🇺🇸 United States | 116 | $27.1M | - | - | 4% |
| Publitek publitek.com | Bath, 🇬🇧 United Kingdom | 114 | $26.7M | - | - | -5% |
| Akoya akoyaonline.com | Pittsburgh, 🇺🇸 United States | 111 | $26.0M | - | - | 19% |
| Vuelio vuelio.com | London, 🇬🇧 United Kingdom | 109 | $25.5M | - | - | 0% |
| Derris derris.com | New York, 🇺🇸 United States | 108 | $25.3M | - | - | 6% |
| Vested fullyvested.com | New York, 🇺🇸 United States | 107 | $25.0M | - | - | -9% |
| Halpern halpern.co.uk | London, 🇬🇧 United Kingdom | 106 | $24.8M | - | - | 14% |
| Burness burness.com | Bethesda, 🇺🇸 United States | 104 | $24.3M | - | - | 2% |
| Marino. marinopr.com | New York, 🇺🇸 United States | 104 | $24.3M | - | - | 8% |
| VPR vpr-nyc.com | New York, 🇺🇸 United States | 102 | $23.9M | - | - | 32% |
| markettiers markettiers.com | London, 🇬🇧 United Kingdom | 85 | $19.9M | - | - | 1% |
| Enviroissues enviroissues.com | Seattle, 🇺🇸 United States | 83 | $19.4M | - | - | -2% |
| NetReputation.com netreputation.com | Sarasota, 🇺🇸 United States | 80 | $18.7M | - | - | 21% |
| Bospar bospar.com | San Francisco, 🇺🇸 United States | 80 | $18.7M | - | - | 0% |
| Commetric commetric.com | London, 🇬🇧 United Kingdom | 78 | $18.3M | - | - | - |
| Marketwired globenewswire.com | El Segundo, 🇺🇸 United States | 78 | $18.3M | 2.3M/mo | - | -7% |
| Eulogy eulogy.co.uk | London, 🇬🇧 United Kingdom | 77 | $18.0M | - | - | 24% |
| PMK-BNC rogersandcowanpmk.com | Los Angeles, 🇺🇸 United States | 77 | $18.0M | - | - | 1% |
| 360PRplus 360pr.plus | Boston, 🇺🇸 United States | 76 | $17.8M | - | - | -7% |
| Gorkana linkedin.com | 🇬🇧 United Kingdom | 75 | $15.8M | 1301.4M/mo | - | 1% |
| Stratacomm stratacomm.net | Washington, 🇺🇸 United States | 75 | $15.8M | - | - | 1% |
| Buchanan buchanan.uk.com | London, 🇬🇧 United Kingdom | 74 | $15.6M | - | - | 10% |
| madano madano.com | London, 🇬🇧 United Kingdom | 71 | $15.0M | - | - | -5% |
| Mischief mischiefpr.com | 🇬🇧 United Kingdom | 69 | $14.5M | - | - | -24% |
| Apriil apriil.no | 🇳🇴 Norway | 69 | $14.5M | - | - | 8% |
| SHARP! sharpnyc.net | New York, 🇺🇸 United States | 69 | $14.5M | - | - | 86% |
| LDWW ldwwgroup.com | Dallas, 🇺🇸 United States | 67 | $14.1M | - | - | 6% |
| LS2group ls2group.com | Des Moines, 🇺🇸 United States | 66 | $13.9M | - | - | -3% |
| LocalAdLink localadlink.net | 🇺🇸 United States | 63 | $13.3M | - | - | 50% |
| 89up 89up.org | London, 🇬🇧 United Kingdom | 62 | $13.1M | - | - | 7% |
| InvestorBrandNetwork investorbrandnetwork.com | Los Angeles, 🇺🇸 United States | 60 | $12.6M | - | - | 25% |
| JConnelly jconnelly.com | New York, 🇺🇸 United States | 59 | $12.4M | - | - | -23% |
| See.Spark.Go seesparkgo.com | Athens, 🇺🇸 United States | 59 | $12.4M | - | - | 9% |
| Saxum saxum.com | Oklahoma City, 🇺🇸 United States | 55 | $11.6M | - | - | 0% |
| Login brewpr.com | Venice, 🇺🇸 United States | 55 | $11.6M | - | - | 62% |
| Beckerman beckermanpr.com | Hackensack, 🇺🇸 United States | 54 | $11.4M | - | - | -2% |
| Peppercomm peppercomm.com | New York, 🇺🇸 United States | 54 | $11.4M | - | - | -8% |
| Kiterocket kiterocket.com | - | 54 | $11.4M | - | - | 0% |
| getpress get-press.de | Berlin, 🇩🇪 Germany | 53 | $11.2M | - | - | 8% |
| MPC meetingplacecommunications.com | Fairfax Street, 🇬🇧 United Kingdom | 53 | $11.2M | - | - | 29% |
| seyferthpr.com seyferthpr.com | Grand Rapids, 🇺🇸 United States | 51 | $10.7M | - | - | 11% |
| EMBARQ embarq.wri.org | Washington, 🇺🇸 United States | 49 | $9.2M | - | - | 2% |
| 300Brand 300brand.com | Alexandria, 🇺🇸 United States | 48 | $9.0M | - | - | -11% |
| Eastwick eastwick.com | San Francisco, 🇺🇸 United States | 48 | $9.0M | - | - | 60% |
| Burlington burlington.cc | London, 🇬🇧 United Kingdom | 48 | $9.0M | - | - | 300% |
| SenateSHJ senateshj.com | Wellington, 🇳🇿 New Zealand | 48 | $9.0M | - | - | -31% |
| kglobal kglobal.com | Washington, 🇺🇸 United States | 47 | $8.8M | - | - | -37% |