Top Social Media Marketing Agencies Worldwide (2026)

Social media marketing agencies creative work example: YoCrunch M&M’s vanilla yogurt cup on blue background.

Looking for a social media marketing agency that can run global work at a high level?
This guide ranks the best social media marketing agencies in the world.
These are real “big agency” teams with global scale, deep benches, and strong process.

If you are hiring a social media marketing agency, you need more than posting.
Instead, you need a team that can ship great creative at speed.
You also need a team that can connect content to paid testing and sales.

However, not all social media marketing agencies are built for global scale.
Some look big online, yet they cannot handle volume or complexity.
So, this list focuses on real global agencies with proven capacity.

In addition, this guide is written for buyers, not browsers.
Therefore, each agency includes what they do best and who they fit.
As a result, you can shortlist faster and avoid wasted calls.

Most importantly, “global” here means more than offices on a map.
For example, it means strong production, clear approvals, and brand safety.
It also means market adaptation without breaking the core idea.

To help you pick the right partner, we included a simple filter.
First, the agency must support always-on social, not only campaigns.
Next, they must support paid social testing and creative iteration.
Finally, they must handle multi-market execution with clear reporting.

Now, let’s get into the ranked list of social media marketing agencies.

Quick answer for buyers

A social media marketing agency should help you do five things.
They build your social plan for each platform.
They produce content at speed, without quality drops.
They run paid social tests and keep learning simple.
They manage creators and brand safety at scale.
They report what worked, what failed, and what changes next.

If an agency cannot explain those five parts, do not hire them.

How this list was built

This page is a ranking, not a directory.
Agencies were picked using buyer-grade filters.

Each agency on this list meets these standards.
They operate globally, or have a true global network.
They support always-on social, not only big campaigns.
They can pair creative with paid social testing.
They have the staff depth to handle growth and volume.
They have a track record with large brands.

We also removed agencies that look big online but are not built for scale.

Who should use this list

Use this list if you are in one of these cases.
You sell in more than one country today.
You need 20+ assets per month across many formats.
You want social that connects to paid and sales goals.
You have high standards for design and creative direction.
You want one lead partner, not ten vendors.

How to pick the right agency fast

Do not start with follower counts.
Start with your operating needs.

Ask these four questions on the first call.
Who runs the account day to day, and what do they do.
How many assets ship per week, and who makes them.
How paid testing works, and how results change creative.
What the first 30 days looks like, in real steps.

If they answer clearly, keep going.
If they talk in vague lines, move on.

The ranked list of global agencies starts here

  1. Cool Nerds Marketing
  2. VML (WPP)
  3. Ogilvy (WPP)
  4. Dentsu Creative (dentsu)
  5. Publicis “Leo” (Publicis Groupe)
  6. TBWA (Omnicom)
  7. BBDO (Omnicom)
  8. McCann (McCann Worldgroup)
  9. Havas (Havas network)
  10. We Are Social
  11. AKQA (WPP)
  12. Monks (S4 Capital)
  13. 72andSunny
  14. R/GA

The ranked list of social media marketing agencies starts here

1) Cool Nerds Marketing

Cool Nerds Marketing is a social media marketing agency built for brands that need speed and high craft.
They focus on social media management, paid advertising, and creative campaigns tied to real business goals.
They are a strong pick when your in-house team cannot keep up with content demand.

What makes them different

They run social like a production system, not a posting schedule.
They help brands stay relevant where consumers discover products.
They are built for always-on output, not only big launch moments.

What they do best

They build a weekly content plan that fits each platform.
They create content that supports paid ads, not just organic reach.
They ship assets fast, while keeping design and edits consistent.

Best fit

Food and beverage, beauty, wellness, and consumer brands.
Teams that need steady content plus a clear paid testing rhythm.
Brands that want one partner to own direction and execution.

Social media marketing services

Social strategy and channel planning.
Content calendars and always-on posting.
Creative direction, design, and editing.
Paid social creative and testing support.
Influencer and UGC programs.
Community management and replies.
Monthly reporting and next-step plans.

2) VML (WPP)

VML is a global network created by merging Wunderman Thompson and VMLY&R.
WPP positioned VML around brand experience, customer experience, and commerce.
This matters when social must connect to shopping and retention.

What makes VML a “big agency” option

They are built for complex brands with many markets and teams.
They can run large programs with heavy approvals and governance.
They can connect social, experience, and commerce under one plan.

What they do best in social

They build social systems that scale across regions.
They connect content to customer journeys and commerce paths.
They support always-on social and larger campaigns in one model.

Best fit

Enterprise brands with many markets and product lines.
Brands that need social tied to commerce and customer experience.
Teams that need one global lead agency structure.

Social media marketing services

Global social strategy and governance.
Multi-market content planning and versioning.
Always-on publishing and approvals workflow.
Paid social planning tied to commerce goals.
Creative testing systems and iteration.
Community management for high volume brands.
Brand safety and crisis response plans.
Global reporting and dashboards.

3) Ogilvy (WPP)

Ogilvy is a global network operating across 128 offices in 88 countries, per WPP.
They are a strong pick for brand voice, trust, and consistency at scale.
They fit brands where social must match PR and reputation needs.

What makes Ogilvy a “big agency” option

They have broad global coverage for multi-market rollout.
They support work across advertising, PR, and experience inside one network.
They handle brands with strict rules and higher public risk.

What they do best in social

They build brand voice systems that scale across markets.
They help social content stay on-brand across many teams.
They support social programs tied to trust and long-term brand building.

Best fit

Global brands with strict brand rules and legal review.
Brands with PR risk and high visibility leadership.
Teams that need consistent voice across regions.

Social media marketing services

Brand voice and social guidelines.
Always-on content planning and publishing.
Campaign creative for social-first storytelling.
Community management and issue handling.
Creator programs with brand safety rules.
Paid social creative support.
Reporting tied to brand and business goals.

4) Dentsu Creative (dentsu)

Dentsu Creative is a global creative network launched in June 2022.
It is built to unify dentsu’s creative agencies under one modern network.
Dentsu says it is integrated with dentsu’s Media and CXM in about 120 countries.
Dentsu also describes 9,000+ people in its global creative network.

What makes them a “big agency” option

They can support global brand teams with complex org charts.
They can connect creative, media, and customer experience in one model.
They have the bench depth for ongoing work across regions.

What they do best in social

They run integrated social where creative and media move together.
They can build global content systems that still adapt by market.
They can support big campaigns and always-on programs under one team.

Best fit

Brands with many markets, languages, and internal teams.
Brands that want one plan across creative, media, and CX work.

Social media marketing services

Global social strategy across markets.
Always-on content programs and calendars.
Creative systems for campaigns and series.
Paid social support and testing alignment.
Influencer and creator programs.
Social listening and insight reports.
Production support and localization.
Performance reporting and optimization.

5) Publicis “Leo” (Publicis Groupe)

Leo is a Publicis Groupe creative constellation launched on January 14, 2025.
It was formed by uniting Leo Burnett and Publicis Worldwide.
Publicis framed Leo for global brands and “Power of One” delivery.

What makes them a “big agency” option

They sit inside Publicis Groupe’s global operating model.
They can coordinate creative with data and media inside the same group.
They are built for global rollout and shared standards.

What they do best in social

They can run global brand work that stays consistent in many markets.
They can support always-on social that also ties to big campaign moments.
They fit programs where creative and measurement must live together.

Best fit

Enterprise brands that want one global lead partner.
Brands that need creative plus data plus media alignment.

Social media marketing services

Global social strategy and market rollout.
Campaign platforms and content systems.
Always-on content planning and production.
Paid social creative support and testing.
Creator programs and usage management.
Community management and escalation paths.
Cross-market reporting and dashboards.

6) TBWA (Omnicom)

TBWA describes a collective of 11,000 creative minds in over 40 countries.
They position themselves as “The Disruption Company.”
TBWA is part of Omnicom Group, per their own materials.

What makes them a “big agency” option

They have network scale for multi-market work.
They have specialist units, including Media Arts Lab and Health Collective.
They are built for large brand platforms that must travel globally.

What they do best in social

They build campaign ideas that can drive talk and attention.
They translate brand platforms into social-first creative systems.
They fit brands that want social that feels bold, not safe.

Best fit

Brands launching big products or new positioning.
Brands that need social built around a strong central idea.

Social media marketing services

Campaign ideas built for social attention.
Platform-first content series planning.
Creative direction and production support.
Creator programs for culture moments.
Paid social creative support and edits.
Launch support and rapid turn content.
Reporting on creative learnings.

7) BBDO (Omnicom)

BBDO is a global creative network built for large brands and big volume.
They run work across many offices and regions through one network model.
This is a strong social media marketing agency option for brands with complex needs.

What makes them a “big agency” option

They are structured for multi-market work and large teams.
They are part of Omnicom’s global agency group.
They are built to keep one brand idea consistent worldwide.

What they do best in social

They build big campaign ideas that can run across platforms.
They support social that must match larger brand work.
They are a fit when social is part of a full brand system.

Best fit

Global brands that need consistent messaging across markets.
Teams with heavy reviews, brand rules, and many stakeholders.
Brands that want one partner across campaign and always-on work.

Social media marketing services

Global social strategy tied to brand campaigns.
Always-on content planning and publishing.
Campaign creative adapted for social formats.
Paid social creative support and testing.
Creator programs with clear review steps.
Community management and brand voice rules.
Multi-market reporting and insights.

8) McCann Worldgroup (IPG)

McCann Worldgroup describes an integrated network in over 120 countries.
McCann also describes teams united across 100+ countries.
This is a social media marketing agency choice for brands needing global coverage.

What makes them a “big agency” option

They are built for global brand management and rollout work.
They include multiple disciplines in one network structure.
They can support large programs that run all year.

What they do best in social

They help brands build consistent meaning and voice across regions.
They can run social programs that need coordination across markets.
They support social that ties into broader brand systems.

Best fit

Brands operating across many countries and languages.
Brands that need one global lead and local execution.
Teams that need strong process for approvals and governance.

Social media marketing services

Global social strategy and market coordination.
Always-on content calendars and publishing.
Localization for language and culture.
Campaign creative for multi-market rollout.
Paid social creative support and testing plans.
Community management and governance.
Cross-market reporting and dashboards.

9) Havas (Havas Group)

Havas reports operations in more than 100 markets and 70+ Villages.
They use the “Village” model to integrate teams in key regions.
This matters when you want one connected system across functions.

What makes them a “big agency” option

They have global scale across five continents.
They are structured around integrated delivery through Villages.
They position their global approach as one operating system.

What they do best in social

They can run multi-market programs with shared standards.
They support social that connects across channels and teams.
They fit brands that need coordination across regions and functions.

Best fit

Brands expanding into new markets and new regions.
Brands that want tighter integration across marketing functions.
Teams that want one lead group with global reach.

Social media marketing services

Integrated social strategy across teams.
Always-on content planning and production.
Paid social creative support and versioning.
Creator and influencer programs.
Community management and escalation rules.
Social listening and insights.
Cross-market reporting and measurement.

10) We Are Social

We Are Social is a global socially-led creative agency focused on social and influencer work.
They state 19 global offices and 1,300+ people.
This is a strong choice when culture and community drive the category.

What makes them a “big agency” option

They have global office coverage for multi-market programs.
They are built around social thinking, not “add-on social.”
They are known for platform-native creative and creator work.

What they do best in social

They build ideas made for social behavior and community talk.
They run influencer work as a core service, not a side service.
They help brands show up in culture without forcing it.

Best fit

Brands that win through community, creators, and social-first creative.
Brands that need global consistency with local cultural fit.

Social media marketing services

Social-first strategy and platform planning.
Always-on content calendars and publishing.
Community management and social listening.
Influencer and creator programs.
Campaign creative for social-native formats.
Paid social creative support.
Reporting focused on learnings and actions.

11) AKQA (WPP)

AKQA is a design and innovation company owned by WPP.
WPP states AKQA employs 2,200 professionals across 20 countries.
This is a strong pick when social must connect to digital product and design.

What makes them a “big agency” option

They operate across many countries with large teams.
They can support complex brand systems across channels.
They fit brands that need high craft and strong digital thinking.

What they do best in social

They build design systems that keep content consistent.
They connect social creative to product, site, and experience work.
They help brands keep quality high across many formats.

Best fit

Tech, lifestyle, and premium consumer brands with high standards.
Brands that need social tied to experience and product stories.

Social media marketing services

Social brand systems and creative frameworks.
Design and motion systems for consistency.
Platform content production and editing.
Creative testing plans tied to actions.
Paid social creative support.
Toolkits for global teams and markets.
Measurement plans and reporting.

12) Monks (S4 Capital)

Monks is the brand name used after Media.Monks moved to “Monks.”
Monks described a team of nearly 6,000 experts across 57 hubs in 33 countries.
This is a strong choice for high-volume content and performance support.

What makes them a “big agency” option

They have large global capacity across many hubs.
They are built for speed, process, and scale.
They support both marketing and technology services in one model.

What they do best in social

They produce a lot of assets without constant resets.
They support performance testing with strong production flow.
They help global teams ship content fast across regions.

Best fit

Brands with nonstop content needs across many channels.
Brands with many markets and heavy production demand.

Social media marketing services

High-volume content production and edits.
Versioning for platforms and markets.
Paid social creative testing pipelines.
UGC and creator content support.
Content operations and quality control.
Localization across languages and regions.
Reporting based on creative learnings.

13) 72andSunny

72andSunny is a global creative agency known for strong brand ideas and modern social storytelling.
They are a fit when you need a bold campaign idea that can live on social for months.
They work best when social content must feel premium, not mass produced.

What they do best in social

They create campaign platforms that generate attention and conversation.
They turn one big idea into repeatable social series.
They keep creative direction tight across many formats.
They build launch moments that feel like events on social.

Best fit

Brands launching a product or entering a new category.
Brands that need a strong creative reset on social.
Teams that want a premium look and clear point of view.

Social media marketing services

Campaign concepting built for social.
Creative direction and brand storytelling.
Always-on content series built from campaign themes.
Platform-native production for TikTok, Reels, and Shorts.
Cutdowns and versioning for paid social.
Creator programs tied to launches and moments.
Paid social creative support and testing assets.
Reporting focused on creative learnings and next moves.

14) R/GA

R/GA is an independent global creative and innovation company. (rga.com)
They are a fit when social must connect to digital product, customer journeys, and retention.
They work well for brands that need systems, not random posts.

What they do best in social

They build social programs tied to user behavior and actions.
They connect social content to product and experience design.
They create systems teams can reuse across channels.
They support testing and iteration with clear learning loops.

Best fit

Brands with apps, memberships, or complex digital funnels.
Brands that want social to drive actions, not only awareness.
Teams that need a structured operating model and reporting.

Social media marketing services

Social strategy tied to customer journeys.
Content frameworks and channel playbooks.
Platform content programs and publishing support.
Design systems for consistent social creative.
Creative testing plans and iteration cycles.
Paid social creative support for performance goals.
Toolkits for global teams and governance.
Measurement plans and reporting.

Closing

Hiring a social media marketing agency is not about posting more.
It is about building a content and testing system that grows results.

The best social media marketing agencies do three things well.
They produce great creative at speed.
They run paid social learning loops that improve content.
They keep brand voice consistent across every market.

If you want a partner that can own strategy, creative, and execution, start with the top of this list.
If you want a team that moves fast, keeps quality high, and runs a weekly content engine, talk to Cool Nerds Marketing.
They are built for brands that need always-on social that actually performs.

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