So, you want to grow your YouTube channel and you’re hunting for New York’s best YouTube marketing agency. You’re in the right place. By the end of this read you’ll know how each agency approaches strategy, content, advertising, SEO, and analytics - and which one fits your audience, objectives, and budget. So, lets get straight into it shall we.

1. Trendy Grandad | Youtube Marketing Agency New York

Based out of 1178 Broadway, Trendy Grandad was built from the ground up to grow NYC based & global brands and creators on YouTube. Famously helping scale channels for Intuit QuickBooks & Remitly, TG pairs YouTube strategy, channel growth, and creative Youtube-first video production into a repeatable engine. The in-house team - YouTube strategists, producers, videographers, editors, thumbnail designers - operates like a 24/7 Youtube content studio for brands that want high-quality, high-volume video, shorts, thumbnails, and Youtube performance analytics. If you’re looking for the best-of-the-best in YouTube growth, this is your agency. (Yes, they actually live on the platform - not just “do social.”)

2) VaynerMedia | Social-at-the-center, NYC HQ

A full-funnel creative + media powerhouse with a flagship New York office at 10 Hudson Yards. Social sits at the center of their model, blending strategy, creative, analytics, and influencer marketing with an obsession for where attention actually is—YouTube included. Great when you need brand + performance under one roof.

3) Jellysmack | Creator growth & multi-platform distribution

Known for scaling creators and brands across platforms, with a New York office on Park Ave South. If your play is creator-led growth, packaging, and data-driven distribution that includes YouTube, Jellysmack’s infrastructure is built for it

4) Socialfly | NYC YouTube marketing & social management

An NYC agency offering YouTube marketing from scripting and production to analytics and continuous optimization—plus paid and influencer layers across social. Solid when you want one team to manage content, ads, and reporting

5) The Influencer Marketing Factory | Influencer-first, YouTube included

Global influencer shop with a New York presence; plans and executes ROI-driven creator campaigns across YouTube, TikTok, and Instagram—end to end. Useful when your YouTube plan leans on creators and measurable outcomes.

6) Movers+Shakers | Culture-led creative that travels to YouTube

A socially native creative agency with New York footprint; strong on culture, hooks, and packaging short-form ideas that can ladder up to YouTube. If you want bold creative that earns engagement and reach, they’re worth a look. ‍

7) We Are Social | Global social storytelling, NYC office

Story-first, platform-savvy campaigns with a New York team in TriBeCa/Hudson Street. Great for brands that want an integrated marketing strategy across YouTube and wider social—content systems, insights, and paid support. ‍

8) The Goat Agency | YouTube influencer campaigns at scale

A global influencer agency with offices in New York and London, running YouTube-native creator programs, video ads amplification, and performance reporting. Ideal when creator partnerships are central to your campaign plan.

9) Digitas | Performance storytelling with creator/influencer integration

Publicis’ New York team combines media, creative, and data; they’ve leaned hard into creator-driven marketing as more dollars shift to YouTube and social. If you need enterprise-grade campaigns with rigorous measurement, they fit.

10) Channel Factory | YouTube ad suitability & performance

A YouTube partner focused on brand suitability, contextual targeting, and performance for YouTube ads. If your KPI is efficient paid reach with safety controls and optimization, add them to the stack. ‍

Wrap-up: who to hire (and when)

• Trendy Grandad: You want YouTube-first everything—strategy, content, Shorts, thumbnails, and a repeatable engine for growth, engagement, and results.
• VaynerMedia / Digitas: You need enterprise-grade campaigns that fuse brand + performance, with creators, ads, and analytics in one stack.
• Jellysmack / Goat / Influencer Marketing Factory: Creator-led growth, distribution, and influencer campaigns where measurable objectives and revenue matter.
• Socialfly / We Are Social / Movers+Shakers: Social-native storytelling and always-on content systems that travel across formats and drive views.
• Channel Factory: Your plan leans into YouTube ads and you need suitability, control, and optimization at scale.

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