Lightbulb
We help $10M-$100M brands turn ad spend into profit with
PROFIT-LED MARKETING™
Work with us
READ Profit-led marketing™
Robbie & Mike improved our execution and return on digital marketing immediately. They explain how to improve and execute quickly.Zach Kramer | CEO
Mike and Robbie transformed our Google and Meta. They’re data-driven marketers who connect with audiences. Their broader insights have also been invaluable.Gerardo Canales | CEO
Robbie and Mike are technical, innovative growth marketers. They deliver honest insights, actionable recs, and execute. You won't be disappointed.Rick Desai | VC & Managing Partner
Incredible GTM partners. The perfect balance of execution & strategy. A wealth of knowledge, experience, & energy. Highly recommend.Stella Garber | Co-Founder & CEO
Robbie & Mike think like owners. They don't care about marketing vanity metrics. They're in it to make the business succeed. A fantastic addition for us.Simcha Kanter | Founder & CEO
“Lightbulb helped us scale profitably with expert ad strategies and precise conversion tracking.”Vanessa Chang | Director of Performance Marketing
Our acquisition costs have dropped measurably in a challenging market.Hank Adams | Founder & CEO
Elevated our digital presence, nearly doubling our customer base in 6 months.Morgan Booth | Founder & CEO
Helped us grow more predictably, repeatedly, and sustainably in 3 months.Corey Greenhouse | CMO
A rare breed of thought leader and operator.Tim Huelskamp | Founder & CEO
Competent, humble, and disciplined. A relentless focus on outcomes.Sean Johnson | Founder & Former Venture Partner
A go-to resource for all-things digital marketing.Troy Henikoff | Founder, VC, & Managing Partner
It was supposed to be simple.
Proven strategy. Better results. Less overhead.
Hire experts. Grow faster. Win more. That was the pitch. But that’s not how it works.
We’ve been in your shoes. We’ve spent years building and exiting brands from the inside.
We’ve hired all the agencies—even some of the best. But the same cracks appeared:
Marketing should be an asset, not an expense. But most agencies don’t act like it.
A new kind of ad partner. One that actually follows through.
If you’re ready for better marketing, we’re ready to hear from you.
Mike Rome & Robbie Jack
Co-founders, lightbulb
hey@lightbulb.run
We help $10M-$100M brands turn Meta, Google, and YouTube spend into profit. Great marketing is hard. The roadmap is simple.
We focus on four levers: Conversion Tracking, Media Buying, Creative, and Conversion Optimization.
We spent years in-house. We couldn’t find the agency we needed. So we built it.
Small. Fast. Expert-only. No wasted spend.
Partnering with us starts at $10,000.
Marketing is our life’s work.
Robbie built, scaled, and sold his company for $40M–great advertising played a major role.
Mike became CMO by 30–helping scale a brand from 7-figures to $50M+.
Together, we’ve scaled many brands profitably between $1M–$100M. We teach about better marketing at top MBAs and accelerators, too.
