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Across health, tech, FMCG and beyond, we’ve helped brands create lasting impact in the markets where it's hardest to win.

H&B & Me

2023 - 2025

Brought in to scale a brand new app and H&B’s own label from the ground up - running the ad accounts, producing creative, and scaling spend month on month.

Performance

Organic

Meta

Google

TikTok

Bing

UGC

Graphic Design

Briefs

The challenge

H&B&Me is a health and wellness app helping users understand and improve their biological age through personalised health insights. The brand faced the challenge of driving scalable, cost-efficient app installs across both iOS and Android while building an engaged user base in a highly competitive wellness market. With spend spread across Meta, Google and Apple Search Ads, they needed a performance partner who could identify what was actually working and scale it fast.

The outcome

We led a data-driven creative testing strategy across paid social and search, with UGC-first video content and female creator partnerships proving to be the strongest performers. Narrative-driven testimonials delivered CPIs as low as £2.40 and a CVR 46% above average on top creatives. Over the campaign period we drove over 23,000 app installs in one month alone, reduced cost per install by 36%, generated over 1,500 leads per week through Meta at under £1 CPL, and improved ROAS by over 100% month on month.

The outcome

+23K

App installs in one month

36%

Reduction in cost per-install

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Testimonials

What our clients say

"Working with Catalyst has been a fantastic experience. From brainstorming and briefing, to execution and the way they handle feedback, the team have left us thoroughly impressed. All work is completed efficiently and to a high standard, showing Catalyst have a clear understanding of our brand and our goals. They really feel like an extension to our internal team!"

"We engaged Catalyst to drive UGC content production for Bolt Food across multiple markets, and they've done a great job coming up with culturally-relevant concepts and executing them to the highest standard."

"We brought Catalyst in to own TikTok performance and creative while we doubled down on Meta and they delivered. They 3x our spend on TikTok in less than 6 months and sourced us a creator roster we now run through our in-house production, and produced creative that travelled brilliantly onto Meta too."

"Working with Catalyst's team was an incredible experience. They led our creative weekly sessions with precision, driving the production of new ads and ensuring a seamless feedback loop that continually improved our process and performance of our ads. Through their creative strategy and iteration cycles we were able to massively increase creative output and the amount of winning creatives from informed learnings."

"Catalyst have been a brilliant creative partner for us at Yonder. They genuinely feel like an extension of our team, easy to collaborate with, always bringing fresh ideas to the table, and never afraid to challenge our look and feel in the right ways. They've helped us level up with a more data-driven approach to creative, and unlocked content production at scale."

Featured Work

Other
Projects

Zoe

Canva

Bolt Food

Hims