Callen turns crazy ideas into long-term clients
Last updated Mar 9, 2026 by ATDb automated enrichment
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Callen’s revenue increased 18% in 2025, and it brought on eight new clients. The agency is a standout on Ad Age's 2026 A-List.
Last updated Mar 9, 2026 by ATDb automated enrichment
Callen’s revenue increased 18% in 2025, and it brought on eight new clients. The agency is a standout on Ad Age's 2026 A-List.