Top 14 digital marketing agencies in the US
14 digital marketing agencies in the US that are actually operating, each checked against its own site and a second source. What they do, who it’s for, and the one reason it made the list. No pay-to-rank.
- 01
- Columbia, MD
- Since 1971
- 500+ people
Merkle is a data-driven customer experience and performance marketing company headquartered in Columbia, Maryland, founded in 1971. It combines first-party data (through its Merkury identity platform), analytics, media, CRM, loyalty and platform engineering for enterprise clients, and now reports more than 16,000 employees in 30-plus countries. Dentsu acquired a majority stake in 2016 and Merkle operates as a dentsu company.
Why it’s hereThe largest data-led performance marketing agency in the US and the anchor of dentsu's customer-experience network; owned by dentsu.
Known forcustomer data and analytics · performance media · CRM and loyalty · experience and platform engineering
Named clientsSix Flags, KFC, Under Armour, Volvo Trucks, Signify, Siemens, City of Hope, Burger King, Build-A-Bear
Checked against merkle.com, dentsu.com, dentsu.co.jp
- 02
- New York, NY
- Since 1996
- 500+ people
iProspect began in Boston in 1996 as one of the first search engine marketing firms and is now dentsu's global digital-first media agency, with more than 8,000 media specialists worldwide. It plans and buys paid search, programmatic, paid social, video, retail media and digital out-of-home, and still runs SEO, for clients including Hilton and Hendrick's Gin.
Why it’s hereOne of the original US search agencies, now the digital media flagship of dentsu; owned by dentsu.
Known forSEO · paid search · programmatic and paid social · retail media · digital media planning
Named clientsHilton, Hendrick's Gin, Mitchum, Dubai Properties
Checked against iprospect.com, dentsu.com
- 03
- Chicago, IL
- Since 1998
- 500+ people
Performics is Publicis Groupe's performance marketing agency, founded in Chicago in 1998 and acquired by Publicis in 2008 from Google, which had inherited it through DoubleClick. It orchestrates search, programmatic, social and commerce media through its OneSuite platform and reports more than 1,000 global clients and 15,000-plus performance specialists across the Publicis network.
Why it’s hereThe performance media backbone of Publicis Groupe, with roots in the earliest affiliate and search marketing businesses; owned by Publicis Groupe.
Known forpaid search and SEO · programmatic · paid social · commerce and retail media
Checked against performics.com, publicisgroupe.com
- 04
- New York, NY
- Since 1998
- 500+ people
iCrossing is a marketing and technology agency founded in Scottsdale in 1998 and owned by Hearst since 2010, with North American hubs in New York, Chicago, Dallas and Scottsdale. It works on search and AI visibility, acquisition media, experience and conversion optimisation, and data intelligence for enterprise clients such as American Express, Toyota and Microsoft.
Why it’s hereA 28-year-old search-born agency with a Fortune 500 client list; owned by Hearst.
Known forsearch and AI discoverability · performance media · conversion optimisation · data intelligence
Named clientsAmerican Express, Bridgestone, L'Oréal, Microsoft, LG, Toyota, Boeing, T-Mobile, Charles Schwab, Hilton
Checked against icrossing.com, icrossing.com
- 05
- Baltimore, MD
- Since 2005
- 500+ people
Jellyfish is a global digital media, creative and data business founded in the UK in 2005 that built its reputation as one of the most heavily certified Google Marketing Platform and Google Cloud partners. Its US headquarters has been in Baltimore since 2014, with a New York office opened in 2018, and it develops tools such as Pencil for AI asset creation and Share of Model for tracking brands inside large language models. The Brandtech Group completed its 100 percent acquisition in June 2023.
Why it’s hereThe largest independent Google Marketing Platform partner before its 2023 sale, now the media arm of The Brandtech Group; owned by The Brandtech Group.
Known forGoogle Marketing Platform · paid media · data and analytics · generative AI creative · training
Named clientsGoogle, Netflix, LVMH, Swarovski, Bissell, Japan Airlines, Oatly, Virgin Atlantic, Christian Louboutin
Checked against jellyfish.com, marketingdive.com, beatty.co
- 06
- Chicago, IL
- 201–500 people
Rise (formerly Rise Interactive) is a Chicago performance and omnichannel media agency founded by Jon Morris and owned by Quad, with 251 to 500 employees per Crunchbase. It combines proprietary household-level data covering 252 million US consumers with media planning, activation and measurement, and holds Google Premier Partner, Microsoft Elite and Meta certified partner status. Named clients include Ulta Beauty and Stanley Steemer.
Why it’s hereA Google Premier Partner in the top 3 percent of US agencies and a 2026 Forrester Notable Vendor for media management services; owned by Quad.
Known foromnichannel paid media · audience data · measurement and optimisation · performance marketing
Named clientsUlta Beauty, Stanley Steemer, Nicklaus Children's Hospital, America's Best
Checked against meetrise.com, quad.com, crunchbase.com
- 07
- Fort Worth, TX
- Since 2010
- 500+ people
PMG is an independent advertising and media company founded in Fort Worth in 2010 by George Popstefanov, with 13 hub offices including Dallas, Austin, New York, Boston, Atlanta and London. It runs omnichannel performance and commerce media for large brands on top of its Alli operating platform, and reports more than 1,000 staff, over $7 billion in annual media spend and 90 percent client retention.
Why it’s hereAdweek's Breakthrough Media Agency of the Year for 2021 and one of the largest independent performance agencies in the US, with a Nike media win reported by Digiday.
Known forperformance media · commerce media · data and measurement · Alli marketing platform
Named clientsTikTok for Business, Nike
Checked against pmg.com, adweek.com, digiday.com
- 08
- San Diego, CA
- Since 2012
Power Digital is a growth marketing agency founded in 2012 and headquartered on Scranton Road in San Diego, with offices in New York and Arlington, Virginia. It runs paid, earned and owned media, data infrastructure and marketing mix modelling, and go-to-market consulting for consumer and B2B brands, organised around its Omega AI operating system and Iris intelligence layer. Its vertical practices cover CPG, fashion, healthcare and lifestyle.
Why it’s hereHolds a 4.8 rating across 66 verified Clutch reviews and reports managing billions in media, placing it among the larger West Coast performance agencies.
Known forgrowth marketing · paid media · SEO and earned media · measurement and mix modelling
Named clientsPATTERN Beauty, Catalina Crunch, Navitas Organics, Quadient, NZXT
Checked against powerdigitalmarketing.com, clutch.co
- 09
- Philadelphia, PA
- Since 2002
- 201–500 people
Seer Interactive is a Philadelphia digital marketing agency founded in 2002 by Wil Reynolds. It provides SEO, paid media, analytics, CRO and generative-engine optimisation, and reports more than 250 team members, 130-plus enterprise clients and a 92 percent retention rate. The company is a certified B Corporation.
Why it’s hereA B Corp-certified Google Premier Partner and Microsoft Elite Agency Partner whose founder is one of the most cited voices in search marketing.
Known forSEO · paid media · analytics · conversion rate optimisation · generative-engine optimisation
Checked against seerinteractive.com, clutch.co
- 10
- Harrisburg, PA
- Since 1995
- 500+ people
WebFX is a digital marketing agency headquartered in Harrisburg, Pennsylvania, that marks 30 years in business as of 2025. It employs about 750 people delivering SEO, PPC, content, social, web design, CRO and AI consulting through its RevenueCloudFX platform, and reports more than $10 billion in client revenue and 24 million leads generated.
Why it’s hereOne of the largest privately held SEO and PPC agencies in the US by headcount, and the top-ranked Best Place to Work in Pennsylvania nine years running.
Known forSEO · PPC · content marketing · web design · RevenueCloudFX platform
Named clientsWolf Home Products, S. Clyde Weaver, Enabling Devices, Specialty Fenestration Group
- 11
- Las Vegas, NV
- Since 2017
- 500+ people
NP Digital is a performance marketing agency co-founded in 2017 by Neil Patel and Mike Kamo, now headquartered in Las Vegas with more than 1,000 employees across 28 countries. It runs earned media (SEO, content, digital PR, influencer, email), paid media (search, social, programmatic, marketplaces, streaming), analytics and creative for more than 500 clients.
Why it’s hereScaled to 1,000-plus staff within a decade and holds Google Premier, Meta Business, Microsoft Select and Amazon Ads Verified partner status.
Known forSEO and content · paid media · digital PR · data and analytics
Checked against npdigital.com, clutch.co
- 12
- San Diego, CA
- Since 2013
- 500+ people
Ignite Visibility is a San Diego digital marketing agency founded in 2013 by John Lincoln and Krishnan Coughran and now operating under the Rallio AI banner. It provides SEO, local and AI SEO, PPC, paid social, email, content, digital PR and CRO with a focus on enterprise, franchise and multi-location brands, and reports more than 700 employees and 2,500-plus brands served.
Why it’s hereA six-time Inc. 5000 honoree, ranked number one SEO company on Clutch, and a Google Premier Partner.
Known forSEO · PPC and paid social · franchise and multi-location marketing · email and CRO
Checked against ignitevisibility.com, clutch.co
- 13
- Irvine, CA
- Since 2013
- 51–200 people
Directive is a privately held B2B marketing agency founded in 2013 and headquartered in Irvine, California, with offices in Austin, New York, Mexico City, London and Toronto, led by CEO Garrett Mehrguth and co-founder Tanner Shaffer. It sells what it calls Customer Generation, combining paid media, SEO and content, performance creative and revenue operations for software companies from Series A to IPO, and says it spends $2.2 million a year testing tactics before recommending them.
Why it’s hereHas partnered with more than 420 B2B brands, per Clutch, and is the most visible US performance agency built exclusively for software companies.
Known forB2B SaaS performance marketing · paid media · SEO and content · revenue operations
Checked against directiveconsulting.com, clutch.co
- 14
- Arlington, TX
- Since 2005
- 51–200 people
Thrive is a full-service digital marketing agency founded by Matt Bowman in 2005 as MLB Web Design and renamed in 2012. It offers SEO, PPC, social media, content, web design, reputation management and Amazon marketing to thousands of small and mid-sized clients in the US, Canada and UK, with more than 160 employees spread across 34 states and 10 countries.
Why it’s hereSeven consecutive years on the Inc. 5000 and a fixture of Clutch, UpCity and SEOblog national rankings.
Known forSEO · PPC · social media · web design · reputation management
Checked against thriveagency.com, clutch.co
Checked, not scraped.
Every firm on this page was found through directories, press and client mentions, then verified two ways: its own website had to be live and describe the work, and a second, independent source had to agree it exists and does that work. Founding years, headcounts and client names appear only where the firm or a directory states them; where we couldn’t confirm, the field is blank rather than guessed.
The order is editorial — longevity, named clients, scale and a clear specialism, in roughly that weight — not a score, and nobody on the list paid to be on it. The one exception is marked: the featured card is our own bench and says so.
Lists are re-checked each quarter. Missing a firm that belongs here, or listed and want a correction? Write to lists@primortul.com.
Hiring a digital marketing agency in the US, answered plainly
- How many digital marketing agencies in the US are on this list, and where are they?
- 14. The 14 firms are spread across Columbia, New York, Chicago, Baltimore, Fort Worth, San Diego and 5 other cities. Each was verified against its own website and a second source before it was listed.
- How do I choose between digital marketing agencies in the US?
- Start from the job, not the agency: write down what done looks like in one paragraph, then read the "why it's here" line on each entry and shortlist the two or three whose reason matches your job. Ask each for one comparable piece of work and who on their team would actually do yours.
- Did any of these firms pay to be listed?
- No. The order is editorial — longevity, named clients, scale and a clear specialism — and no firm on the ranked list paid for its place. The one paid card is marked "Featured" and is our own bench, Fracs; it is not ranked.
- How long have these digital marketing agencies been around?
- The oldest firm on the list dates from 1971; founding years are shown on each entry where the firm states one, and left blank where it doesn't.
- What should I bring to a first call with a digital marketing agency?
- Your revenue band, what you sell and to whom, the one number you want moved, a budget range, and a start date. Firms price faster and more honestly when the brief is concrete; the match form on this page asks for exactly those five things.
- How is this list kept current?
- It was checked September 2026 and is re-checked each quarter: dead sites come off, mergers and renames are updated, and firms that belong here are added. Corrections go to lists@primortul.com.
Describe the job. Get one digital marketing agency back that fits it.
Two minutes. We read what you wrote, pick one provider from this list or our bench whose work matches it, and they contact you within a business day. Nobody else gets your details.
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