Best Agencies for Performance in 2026

Augmentum Media

Augmentum Media are a premium influencer marketing partner specialising in the Heatlh & Wellness vertical, scaling influencer programs for brands like Lululemon, Nestle & Huel.

December19

We guide progressive brands to break through the noise and create clearly effective media.

Anything is Possible

Anything is Possible. All you need to know is in those three words. An integrated, independent Data, Tech, Media, and Creative agency, we transform client growth through state-of-the-art solutions and close, collaborative working relationships.

Beyond

Setting brands free with creative, media & innovation

Cream

A Creative & Media Agency delivering stronger advertising returns through a strategic focus on Distinctiveness

BIRD

Grown up thinking for growing brands. We get new campaigns off the ground fast—combining sharp strategy, hands-on service, and creative that cuts through on any platform.

House of Oddities

House of Oddities is an award winning independent creative agency that's a bit daring, a bit strange & HOO knows what else.

Alfred

We’re a social-first agency, creating work rooted in culture and fuelled by creativity.

Boldspace

Boldspace is a branding, creative and PR agency.

Harvest Digital

Leading independent media agency

GAIN Creative Studios

We're a creative-led, insight-driven company blending data, tech and creativity to create meaningful impact.

Flourish CRM

We are Flourish. A specialist CRM agency with in-depth experience across CRM platforms, channels and data. We believe in creating CRM that works in the real world.

Worldwide Partners, Inc (WPI)

Worldwide Partners is the world's most collaborative agency network. With more than 90 agencies in 50 countries, we enable growth for brands through access, simplicity and accountability.

We Are All Marketing

We Are All Marketing is the full service marketing agency group made entirely of fractional and freelance talent, with agility baked in.

Sunshine The Social Agency

We are Sunshine. A social-first advertising agency where strategic insight drives and creative brilliance thrives. Fun to work with and fearless in our approach, we craft big ideas and turn them into content and campaigns people stop scrolling for.

SEEN Connects

Social and influencer agency, creating cultural relevance and meaningful impact for brands through human connection.

NUSA STUDIOS

We stop thumbs.

Defiant

We are a strategy-led creative agency

Bicycle

Welcome to the UK’s fastest-growing media agency.

Super Proper

Creative that converts. Media that scales. Data that delivers. And forever run by humans. It’s the future of advertising done Super Proper.

ROAST

We are ROAST. Driving ROAS in the new era of discoverability.

Manifest

We build brands that change the world. We're a unified communications agency with an ambition to build brands that aren’t simply successful — but significant.

Hypetap

Intelligence-led influencer marketing. Powered by proprietary data, built for long-term brand effectiveness and commercial growth.

You're the Goods

Founded in London and New York in January 2024. You're the Goods is a new breed of agency partner built to tackle today's marketing challenges from every angle. We're a senior-led team with roots in top agencies and global brands. Agile by design, we scale with experts collaborators across strategy, design, media and tech. Operating as a full service studio delivering sharp solutions, bold storytelling and standout creative.