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The Top Digital Marketing Agencies of 2024

SEO Blog
The Top Digital Marketing Agencies In 2024

Last updated: February 21, 2024

Our team analyzed 90+ digital marketing agencies, ranking them on 6 weighted factors:

  • Notable Clients (35%): A history of quality campaigns created for high profile clients is a strong indicator of digital marketing expertise, and is the highest weighted factor in our algorithm.
  • Years in Business (25%): Digital marketing companies that have weathered one or more economic downturns have demonstrated their ability to market well for their clients even when client spending may be taking a downturn.
  • Company Size (20%): Company size is strongly correlated with digital marketing ability, as few marketing agencies can grow without strong client relationships built on well-run campaigns.
  • Leadership Experience Score (15%): A rating of the company’s executives and senior management that takes into account their prior experience in digital marketing, expressed as a 1-5 numerical score.
  • Headquarters (10%): Companies in major cities have greater access to talent and professional connections, making headquarters location a minor factor in our ranking.
  • Approach to Digital Marketing (10%): Digital marketing is a wide ranging field, and can take many forms. We favor companies that utilize digital marketing channels that result in high ROI for their clients.

The below table shares the results of our analysis:

The Top Digital Marketing Agencies in 2024

RankCompanyNotable ClientsLeadership Experience ScoreCompany SizeYears in BusinessHeadquartersApproach to Digital Marketing
1First Page SageNBC, Verizon, Cadence 4.8100-25014San Francisco, CACombines thought leadership expertise with SEO for high-ROI lead generation
2AMP AgencyAmazon, Southwest Airlines, LinkedIn4.5250-50028Boston, MAVideo content marketing
3REQMastercard, Johnson & Johnson, Waymo4.4100-25015Washington, DCContent marketing for demand generation
4Viral NationCoca Cola, Disney, Anheuser Busch4.3100-2509Toronto, Ontario, CanadaB2C & Influencer marketing
5Sociallyin TGI Fridays, Edible Arrangements, Dicks Sporting Goods4.2<10012Atlanta, GASocial media content marketing
6EpsilonCDW, Faraday4.3500+54Irving, TXEnterprise digital marketing
7CleverlyLeaseLock, Northwestern Mutual, Nextvia3.7>10005Los Angeles, CAContent marketing for LinkedIn
8Metric TheoryZenefits, GoFundMe, Carvana 3.5100-25011San Francisco, CAPaid social media marketing
9Clay AgencyMoney Lion, Joe & the Juice3.3<1007San Francisco, CAUX/UI design and branding
10Nonprofits SourceN/A3.0<1007Bethesda, MDDigital marketing for nonprofits
11Lemon SeedAbove + Beyond Service Company, Advantage, Air Solutions Heating & Air Conditioning 3.611-1504Diboll, TXGeotargeted digital marketing for local services providers
12Marketing EyeConstrux Solutions, Innovent CRM, JESI4.011-5019Atlanta, GAWeb design and technical SEO

In the sections below, we discuss each of the top ten agencies in more detail, providing a synopsis of the agency, as well as a brief description of their clientele. 

First Page Sage

First Page Sage is the largest SEO agency in the U.S. It specializes in thought leadership content designed for clients to lead important industry conversations and become authority figures within their unique niche or vertical. In addition, First Page Sage offers technical SEO and graphic design services to provide clients with a comprehensive team of specialists to create unmatched content. 

First Page Sage focuses on white-hat SEO, making them the optimal choice for clients seeking long-term growth to generate warmer organic leads.

  • Notable Clients: NBC, Verizon, Cadence 
  • Leadership Experience Score: 4.8
  • Company Size: 100-250
  • Years in Business: 14
  • Headquarters: San Francisco, CA
  • Contact: First Page Sage Website
Summary of Online Reviews
First Page Sage is “the true expert in this industry” with content that “takes thought leadership to the next level.” As a result of their campaigns, clients have been able to “generate a consistent flow of MQLs through organic traffic.”

AMP Agency

The digital marketing services provided by AMP agency focus primarily on providing video production in addition to related solutions like voice marketing, influencer marketing, and digital design experiences. They create interactive experiences for customers that drive overall conversions by increasing engagement.

AMP Agency’s specialty in video marketing makes them a better option for companies that are attempting to target video-heavy marketing channels like YouTube or social media. 

  • Notable Clients: Amazon, Southwest Airlines, LinkedIn
  • Leadership Experience Score: 4.5
  • Company Size: 250-500
  • Years in Business: 28
  • Headquarters: Boston, MA
  • Contact: AMP Agency Website
Summary of Online Reviews
AMP Agency provides SEO services that “resulted in increased sales and better site management” by bringing “new ideas to the table.” Their staff operates “on time and on budget, and are very flexible.”


REQ is a digital marketing agency that specializes in an omnichannel strategy which blends traditional advertising and SEO. In addition to on-page and off-page services, they also offer design services geared towards UX/website design to optimize clients websites as well as PR teams to help companies improve their online image in the eyes of prospective customers.

Their omnichannel approach to digital marketing makes REQ a suitable option for companies seeking an all-in-one solution for a comprehensive campaign.

  • Notable Clients: Mastercard, Johnson & Johnson, Waymo
  • Leadership Experience Score: 4.4
  • Company Size: 100-250
  • Years in Business: 15
  • Headquarters: Washington, DC
  • Contact: REQ Website
Summary of Online Reviews
REQ excels at adaptability, being very “good at picking up the ball and running with it.” Their campaigns have “resulted in increased traffic and customer engagement.”

Viral Nation

Viral Nation is a digital marketing agency specializing in influencer marketing and paid media. This allows clients to create “authentic, emotional connections” with their target audiences, making them more likely to take interest in your company. In addition, they offer blockchain marketing services, which allows clients to take advantage of the rise of cryptocurrency and NFTs as a means to drive leads.

This approach to marketing makes Viral Nation an ideal option for companies trying to reach a niche audience with punctuated, short-term campaigns.

  • Notable Clients: Coca Cola, Disney, Anheuser Busch
  • Leadership Experience Score: 4.3
  • Company Size: 100-250
  • Years in Business: 9
  • Headquarters: Toronto, Ontario, Canada
  • Contact: Viral Nation Website
Summary of Online Reviews
Viral Nation is a marketing agency that “regularly overperform[s].” Their campaigns are ideal matches for clients seeking “new brand exposure in a targeted market.”


Sociallyin specializes in comprehensive social media campaigns. This includes a ground-up brand audit to identify a client’s perceived strengths and weaknesses in the eyes of its target audience as well as corresponding strategy and content creation. These campaigns can be targeted to both inbound and/or outbound engagement, depending on the client, to provide optimal results.

The emphasis that Sociallyin places on social media marketing narrows their prospective marketing somewhat, but they would also make a great fit for companies seeking related services, like video.

  • Notable Clients: TGI Fridays, Edible Arrangements, Dicks Sporting Goods
  • Leadership Experience Score: 4.2
  • Company Size: <100
  • Years in Business: 12
  • Headquarters: Atlanta, GA
  • Contact: Sociallyin Website
Summary of Online Reviews
SociallyIn is a results-driven agency that “helped the client push their videos to the most recommended” resulting in “significant  growth in following and traffic.”


Epsilon is a full-service marketing agency for enterprise customers. Because of their extensive tenure and wide range of data-driven marketing solutions, they provide single-vendor service for companies with complex marketing needs.   

As such, Epsilon is a great choice for a company looking for a single, data-driven marketing agency to work across both digital and more traditional channels.

  • Notable Clients: CDW, Faraday
  • Leadership Experience Score: 4.3
  • Company Size: 500+
  • Years in Business: 54
  • Headquarters: Irving, TX
  • Contact: Epsilon Website
Summary of Online Reviews
Epsilon specializes in building “dynamic and interactive” websites that “generat[e] a significant increase in traffic and usage.”


Cleverly takes a niche approach to digital marketing by focusing primarily on social media campaigns targeted towards LinkedIn. This includes services for lead generation, content creation, and paid advertising. Cleverly also provides email marketing services to help companies nurture leads as they progress further down the sales funnel.

As a general rule, LinkedIn campaigns are most successful for B2B companies. As a result, B2B companies considering a social media campaign make the best clients for an agency like Cleverly.

  • Notable Clients: LeaseLock, Northwestern Mutual, Nextvia
  • Leadership Experience Score: 3.7
  • Company Size: >1000
  • Years in Business: 5
  • Headquarters: Los Angeles, CA
  • Contact: Cleverly Website
Summary of Online Reviews
Cleverly helps clients “improve their marketing outreach” with an “easy to use” process that “saves time and increases the efficiency of outbound sales efforts.”

Metric Theory

Metric Theory is a marketing agency that specializes in paid advertising options. In addition to PPC/SEM, they also provide display advertising, which allows companies to put their advertisements in front of audiences across a wider variety of marketing channels than a traditional marketing campaign would allow. 

Their preference for paid advertising makes Metric Theory the best option for companies seeking short-term campaigns to roll out new services or identify new target audiences.

  • Notable Clients: Zenefits, GoFundMe, Carvana 
  • Leadership Experience Score: 3.5
  • Company Size: 100-250
  • Years in Business: 11
  • Headquarters: San Francisco, CA
  • Contact: Metric Theory Website
Summary of Online Reviews
Metric Theory is “always looking for a way to impact the bigger picture” by using “very accessible” social media content to “increase per-user revenue.

Clay Agency

Clay Agency is a digital marketing agency that specializes in technical SEO services, UX design, and conversion optimization. In addition, they also offer branding services to help companies identify unique messaging techniques for distinct target audiences.

Because of their preference for technical SEO, companies who already have an in-house content marketing team are likely to be the best match for Clay Agency.

  • Notable Clients: CDW, Faraday
  • Leadership Experience Score: 4.3
  • Company Size: 500+
  • Years in Business: 54
  • Headquarters: Irving, TX
  • Contact: Clay Agency Website
Summary of Online Reviews
Clay Agency “delivered a wonderful user experience” through a “collaborative and highly engaged” team of specialists to create “well received” content.

Nonprofits Source

Nonprofits Source targets a specific audience by catering directly to organizations within the nonprofit sector. Their services focus primarily on technical SEO and finding new ways to use various marketing channels to promote donation pages and increase charitable donations. In addition, they offer marketing courses for companies seeking to improve the performance of their in-house marketing team.  As their name suggests, Nonprofits Source explicitly seeks out clients within the nonprofit sector.

  • Notable Clients: N/A
  • Leadership Experience Score: 3.0
  • Company Size: <100
  • Years in Business: 7
  • Headquarters: Bethesda, MD
  • Contact: Nonprofits Source Website

Lemon Seed

Lemon Seed is a great option for those specifically looking for local, geotargeted digital marketing services. Local HVAC, plumbing, electrical and other trade service providers on tighter budgets are the perfect fit for Lemon Seed, as they specialize in marketing for these industries. They are a smaller firm with a more limited client history, but they deliver excellent results for their ideal client.

  • Notable Clients: Above + Beyond Service Company, Advantage, Air Solutions Heating & Air Conditioning
  • Leadership Experience Score: 3.6
  • Company Size: 11-150
  • Years in Business: 4
  • Headquarters: Diboll, TX
  • Contact: Lemon Seed Website
Summary of Online Reviews
Lemon Seed is staffed with “knowledgable, friendly people” and their clients are “very happy with” their experience with them.

Marketing Eye

Marketing Eye is an AI-powered digital marketing agency specializing in technical SEO and web development. They have a proven track record of making quality websites with strong SEO, as well as assisting with other marketing channels like paid ads. The heavy use of AI and robotic marketing make them a unique option for those looking to leverage tools like these in their marketing campaigns.

  • Notable Clients: Construx Solutions, Innovent CRM, JESI
  • Leadership Experience Score: 4.0
  • Company Size: 11-150
  • Years in Business: 19
  • Headquarters: Atlanta, GA
  • Contact: Marketing Eye Contact
Summary of Online Reviews
Marketing Eye’s team are both “competent and professional” despite sometimes needing “additional training.” Nevertheless, their service is “superior“.