Synapse

Boston, Massachusetts, United States

AI-driven marketing with a focus on SEO and paid search

Synapse is an AI-first performance marketing agency that specializes in transforming marketing spend into measurable business growth. By embedding automation and intelligence into their strategies, Synapse ensures faster insights and leaner programs tailored for the evolving digital landscape.

The agency offers a range of services including paid search, SEO, content marketing, social media management, analytics, and conversion rate optimization. Their approach is data-driven, focusing on connecting marketing activities to tangible outcomes, and optimizing for AI-driven search to enhance brand visibility.

With over $8 million in monthly media spend under management, Synapse demonstrates its impact through significant client retention and cost savings compared to traditional agencies. Their expertise is backed by a senior team with an average of 8+ years of experience, ensuring that every campaign is strategically aligned with business goals.

4
SERVICES

Capabilities

Services

What these services involve

Analytics & Reporting
Tracking, dashboards, and reporting that ties marketing activity to outcomes.
Content Marketing
Content strategy and production designed to attract and convert audiences.
Social Media Management (SMM)
Ongoing social content planning, publishing, and community management.
Website Optimization
Improvements to speed, UX, SEO foundations, and site performance.

Agency details

Team size
51-200 people

About this agency on Agency List

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

That score is higher than 87% of the 36,919 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 Synapse in September 2026, reading 9 pages published on synapsesem.com.

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

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