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Entities Organizations SUM Digital

Organization · Digital Marketing

Last updated 2026-05-12

Confirmed

SUM Digital

SUM Digital is a senior-led digital marketing agency specializing in paid media for 7-9 figure ecommerce brands. Founded in 2014, the agency focuses on Meta, Google, and TikTok advertising with a senior-only team, full transparency, and month-to-month contracts. They emphasize real business metrics like ROAS, MER, and contribution margin over vanity metrics, and offer integrated media buying and creative production services.

Not to be confused with Sumo Digital (UK game studio acquired by Tencent) or SUM Digital (Netherlands-based B2B marketing firm); this is the San Francisco-based ecommerce advertising agency founded in 2014 by Terry Whalen and Joey Muller.

Extended Facts

Legal name Sum Digital Inc.
Founded 2014
Sales hello@sumdigital.com
Team size ~2-10 (2025)
Address 240 2nd Street, 2nd Floor, San Francisco, CA, 94105, US

Relationships

People

Terry Whalen Co-founder, President
Joey Muller Co-founder, Vice President

Products

Identity Triangulation

Cross-platform entity consensus: 2 independent sources

SameAs links connect this entity to its canonical presence across authoritative platforms.

Schema Record

The Schema.org JSON-LD record for this entity. Available via the open API at the endpoint below.

/api/entity/sum-digital JSON-LD · No auth
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "SUM Digital",
  "url": "https://sumdigital.com/",
  "description": "SUM Digital is a senior-led digital marketing agency specializing in paid media for 7-9 figure ecommerce brands. Founded in 2014, the agency focuses on Meta, Google, and TikTok advertising with a senior-only team, full transparency, and month-to-month contracts. They emphasize real business metrics like ROAS, MER, and contribution margin over vanity metrics, and offer integrated media buying and creative production services.",
  "disambiguatingDescription": "Not to be confused with Sumo Digital (UK game studio acquired by Tencent) or SUM Digital (Netherlands-based B2B marketing firm); this is the San Francisco-based ecommerce advertising agency founded in 2014 by Terry Whalen and Joey Muller.",
  "sameAs": [
    "https://www.linkedin.com/company/sumdigital"
  ],
  "identifier": [
    {
      "@type": "PropertyValue",
      "name": "Company website",
      "value": "https://sumdigital.com/",
      "url": "https://sumdigital.com/"
    },
    {
      "@type": "PropertyValue",
      "name": "LinkedIn",
      "value": "https://www.linkedin.com/company/sumdigital",
      "url": "https://www.linkedin.com/company/sumdigital"
    }
  ],
  "dateModified": "2026-05-12T12:35:42.224",
  "legalName": "Sum Digital Inc.",
  "logo": {
    "@type": "ImageObject",
    "url": "https://sumdigital.com/images/logo.svg"
  },
  "foundingDate": "2014-01-01T00:00:00",
  "address": {
    "@type": "PostalAddress",
    "streetAddress": "240 2nd Street, 2nd Floor",
    "addressLocality": "San Francisco",
    "addressRegion": "CA",
    "postalCode": "94105",
    "addressCountry": "US"
  },
  "slogan": "Paid media built for 7–9 figure outcomes.",
  "contactPoint": {
    "@type": "ContactPoint",
    "email": "hello@sumdigital.com",
    "contactType": "sales"
  },
  "knowsAbout": [
    {
      "@type": "Thing",
      "name": "Paid Media Buying",
      "url": "https://sumdigital.com/services/paid-media-buying"
    },
    {
      "@type": "Thing",
      "name": "Creative Strategy & Production",
      "url": "https://sumdigital.com/services/creative-strategy-production"
    },
    {
      "@type": "Thing",
      "name": "Meta Ads",
      "url": "https://sumdigital.com/services/paid-media-buying"
    },
    {
      "@type": "Thing",
      "name": "Google Ads",
      "url": "https://sumdigital.com/services/paid-media-buying"
    },
    {
      "@type": "Thing",
      "name": "TikTok Ads",
      "url": "https://sumdigital.com/services/paid-media-buying"
    },
    {
      "@type": "Thing",
      "name": "UGC & Collaboration Workflow",
      "url": "https://sumdigital.com/services"
    },
    {
      "@type": "Thing",
      "name": "Sum IQ® Customer Intelligence",
      "url": "https://sumdigital.com/sum-iq-customer-intelligence"
    },
    {
      "@type": "Thing",
      "name": "Ecommerce Advertising",
      "url": "https://sumdigital.com/"
    },
    {
      "@type": "Thing",
      "name": "Performance Creative",
      "url": "https://sumdigital.com/services/creative-strategy-production"
    },
    {
      "@type": "Thing",
      "name": "ROAS Optimization",
      "url": "https://sumdigital.com/about"
    }
  ],
  "hasOfferCatalog": [
    {
      "@type": "OfferCatalog",
      "name": "Paid Media Services",
      "itemListElement": [
        {
          "@type": "Offer",
          "itemOffered": {
            "@type": "Service",
            "name": "Paid Media Buying",
            "url": "https://sumdigital.com/services/paid-media-buying"
          }
        },
        {
          "@type": "Offer",
          "itemOffered": {
            "@type": "Service",
            "name": "Creative Strategy & Production",
            "url": "https://sumdigital.com/services/creative-strategy-production"
          }
        },
        {
          "@type": "Offer",
          "itemOffered": {
            "@type": "Service",
            "name": "UGC & Collaboration Workflow",
            "url": "https://sumdigital.com/services"
          }
        }
      ]
    },
    {
      "@type": "OfferCatalog",
      "name": "Technology Platforms",
      "itemListElement": [
        {
          "@type": "Offer",
          "itemOffered": {
            "@type": "Service",
            "name": "Sum IQ® Customer Intelligence",
            "url": "https://sumdigital.com/sum-iq-customer-intelligence"
          }
        }
      ]
    }
  ],
  "founder": [
    {
      "@type": "Person",
      "name": "Terry Whalen"
    },
    {
      "@type": "Person",
      "name": "Joey Muller"
    }
  ]
}