GBG

St. Louis, Missouri, United States

B2B Marketing for Complex Markets and Long Sales Cycles

GBG specializes in B2B marketing services tailored for complex markets with long sales cycles and technical topics. They offer a full-funnel approach that combines proprietary technology and experienced professionals to optimize every stage of the sales pipeline. Their services are designed to move prospects through the sales funnel faster and nurture a healthy pipeline.

Core services include account-based marketing, content marketing, data reporting and analysis, and messaging and positioning. GBG focuses on creating content that addresses prospects' pain points and deploying targeted outreach to engage the right audience at the right time. They also provide data and analytics services to optimize marketing programs and improve key performance indicators.

GBG serves a variety of industries, including industrial, specialty construction, and professional services. They emphasize collaboration between marketing and sales teams to drive measurable growth and ensure a unified approach. Their technical expertise supports superior digital execution, ensuring that clients' digital presence aligns with their business growth.

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About this agency on Agency List

GBG holds an Agency List Score of 96 out of 100.

That score is higher than 87% of the 36,920 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed GBG in September 2026, reading 6 pages published on gbgmarketing.com.

The score reflects what GBG had published by that date; anything published since has not been read.

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