Mid-Market Momentum: Key Takeaways from POSSIBLE 2025

POSSIBLE is starting to feel like adtech’s unofficial new year. And one theme was hard to miss: mid-market players are gaining ground, and fast.

This builds on themes we identified in Q1.

From platforms outside the “Big 3” to a rising wave of commerce media players, this year’s conversations highlighted real momentum and meaningful moves in areas like curation, collaboration, and commercial growth:

✔️ New partnerships forming

✔️ Deals being won

✔️ Revenue forecasts that will matter in 2025

The energy was focused, and the timing was perfect — early enough in the year to turn ideas into outcomes.

At Chelsea Strategies, we help sell-side leaders build smarter partnerships with DSPs and brands — and turn momentum into meaningful growth.

Because in this market, clarity and speed create advantage. Book a strategy call here.