An international marketing agency specializing in multilingual SEO, strategic consulting, and online brand management for global brands.
Duffy Agency is a global marketing agency that helps brands expand internationally. With expertise in marketing strategy, brand management, and content creation, they provide actionable advice and support to businesses looking to grow across borders. Their team of experts works closely with clients to develop effective marketing strategies and provide fractional CMO services.
Our take on Duffy Agency
Duffy Agency operates as an international marketing consultancy with U.S. operations based in Dover, New Hampshire. The agency specializes in helping businesses expand into global markets through multilingual SEO, international marketing strategy, and cross-cultural brand management.
The agency's distinctive positioning around international marketing sets them apart from domestically-focused SEO agencies. For businesses seeking to enter new geographic markets, optimize for multiple languages, or develop coordinated global marketing strategies, Duffy Agency offers specialized expertise typically unavailable from standard SEO providers.
Duffy Agency's services emphasize strategic consulting and brand management alongside tactical execution. Their approach addresses the complexity of international expansion including market entry strategy, localization requirements, and cultural adaptation necessary for successful global marketing initiatives.
The agency maintains presence in both U.S. and European markets, reflecting their international orientation and ability to serve clients with global operations. This multinational footprint provides practical experience with cross-border marketing challenges beyond theoretical knowledge.
Organizations evaluating Duffy Agency should recognize that SEO represents one component of their broader international marketing focus rather than their primary specialization. Businesses seeking pure-play SEO services for domestic markets may find better fit with agencies exclusively focused on search optimization. However, for companies with international expansion objectives requiring integrated global marketing strategy, Duffy Agency offers relevant expertise.
Prospective clients should clarify specific SEO capabilities, team expertise, and typical results achieved for organic search campaigns within their broader service portfolio. Understanding how SEO integrates with their strategic consulting approach ensures alignment with client expectations and objectives. For businesses with genuine international marketing requirements, Duffy Agency merits consideration as a specialized partner.
Verified credentials and recognition earned by Duffy Agency
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This agency has a verified website presence.
LinkedIn Verified
This agency has a verified LinkedIn company page.
15+ Years
Established in 2001. Over 15 years of experience.
Small Team
Small (11-50)
Rankings earned on AgencyCluster
Common questions about Duffy Agency.
Duffy Agency has earned rankings on 1 AgencyCluster list: Top 50 SEO Services. Their highest AgencyCluster Score is 56/100. Rankings are merit-based and determined by evidence across six evaluation pillars — agencies cannot pay for higher positions.
In our evaluation for SEO Services, Duffy Agency scores 56/100 overall. Their strongest areas are Credibility. Areas with room for improvement include Proof of Work & Outcomes and Category Fit.
Duffy Agency was founded in 2001, giving them over two decades of experience in seo services. In an industry where many agencies are less than 5 years old, 25+ years of sustained operations signals stability, client retention, and the ability to adapt through multiple technology cycles. Today, the team is small team.
Enterprise SEO retainers typically cost $5K–$25K/month. One-time technical SEO audits range from $3K–$15K. Content-heavy SEO programs (strategy + production) run $8K–$30K/month. These are industry benchmarks for seo services agencies at the level AgencyCluster curates. Actual pricing for Duffy Agency will depend on project scope, timeline, and complexity — contact the agency directly for a custom quote.
Yes. Duffy Agency has been vetted and verified by AgencyCluster's editorial team through a rigorous, multi-factor review process. Unlike self-serve directories, AgencyCluster does not accept automated submissions — every agency is evaluated manually before being published. Our vetting covers identity verification (website, LinkedIn, domain age), business legitimacy (years of operation, team size, registered presence), evidence of work (case studies, portfolio, client outcomes), reputation checks across third-party platforms, activeness and freshness of their online presence, and screening for red flags including misconduct, fraud, or misleading claims. Agencies that fail any critical check are not listed. For Duffy Agency, verified signals include a functioning website, LinkedIn company profile, 25+ years of operating history (founded 2001), 1 earned ranking on curated top lists.
