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Your Growth Partners

Build a winning
acquisition strategy.

Function Growth™ is a performance marketing agency, specializing in scaling brands with paid ads & data-driven design.


Growth at a Glance


Increase in avg. annual client revenue


Ad spend



Generated sales on Shopify & Amazon


People reached

through ads

Scale Your


Save Time Testing

Increase Returns

We work incessantly with you to hone in every aspect of your digital strategy, from optimizing your ad campaigns and building custom reporting to A/B testing and iterative design.

Our Clients

We're built on referrals.

"Rory is our ads guru and we've doubled our ROI while nearly 10x-ing ad-spend. He's super sharp and has optimized our ad messaging to hit hard while remaining completely on-brand."


Jensen Brehm
Founder at Ombraz Sunglasses

"Rory is extremely knowledgeable, focused on ROI and pays attention to our business, our metrics and what truly matters to us. Rory is someone we can truly trust with our brands and marketing budgets."


Jeff Cayley

CEO at Worldwide Cyclery

"Rory and his team are incredibly talented and passionate. They go above and beyond the typical digital marketing agency by working with us to ensure smooth execution and that every dollar spent is tracked."


Surina Sproul
VP Marketing at BC Children's

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Why Function Growth™

We specialize and take pride in deep, specific knowledge.

Paid ad campaigns

Stop stalling, start scaling.

We specialize in helping businesses with $50k-$100k/month in revenue achieve 3-5x increases with continual growth.

Data-driven design

Watch, learn and improve while we test and iterate on your creative.

Social media ads (FB/IG, Tik Tok & more)

Shopping data feeds

Text & display ads

YouTube video ads

Website optimization

Find and fix weak spots in your website with methodical testing & tracking.



Landing Pages

A/B testing

Our Case Studies

Our Story

A message from our founder.

Over the last 10 years, I've had the opportunity to build and scale online growth efforts for world-class brands such as Coinbase, Salomon, Sotheby's Realty, Tempur-Sealy International and many more.


Currently, I'm dedicated to supporting high-growth companies with a mission to make a positive impact in the world.

Our business has been built on referrals and we're very proud of that. If you've been referred here by someone we've helped, please don't hesitate to get in touch. We're always happy to connect and provide whatever advice we can.



Drop us a line with any questions, inquiries or business proposals

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