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We are Day One Strategy

Intelligence partner to the world’s leading healthcare brands since 2019

Why we’re here

We created Day One with a clear “aim”:

“To help healthcare teams make confident decisions at the pace their markets demand.”

 

Our story, from our founders

We’ve spent most of our careers in healthcare insights, and most of that time working together. By 2018, we were leading a large insights agency and feeling frustrated. We could see technology transforming other industries, while healthcare insight models were stuck in traditional ways of working. Research was often too slow and disconnected from commercial decision-making.

We imagined a different kind of insights agency – one designed around the combination of technology and human intelligence from the outset. In 2019, we built exactly that. We called it Day One: a reminder to ourselves to start each day as if it were our first. That same restless curiosity has driven everything we’ve done since.

Leading healthcare companies were quick to see the edge Day One could offer. We signed our first major client in our founding year, opened a US office in 2021, and now work with seven of the top 10 global pharma companies. We’re proud to lead a team of 60+ experts, and together we’re pioneering a new era of always-on Precision Intelligence.

Hannah Mann & Abigail Stuart
Founders, Day One Strategy

 

 

Hannah Mann and Abigail Stuart, founders of Day One Strategy

 

Why clients choose us

Hybrid thinking

We combine expert human judgement with purpose-built technology so teams can see what matters and act on it.

Trailblazer mindset

We move early and act fast – challenging assumptions and imagining what’s possible for our clients.

Proven in the real world

We’ve delivered more than 100 hybrid thinking use cases for leading healthcare companies (and counting).

  • Team of experts

  • Top global pharma companies as clients

  • Offices, global reach

  • Years pioneering hybrid thinking

  • industry awards for our work

Our team

Day One is powered by brilliant people. Every member of the team brings experience, expertise and empathy to everything we do.

Meet our team

Our values

Think forward

We challenge assumptions, imagine what’s possible and evolve best practices to propel our clients forward.

Create value

We bring rigour, insight and senior judgement to every challenge, helping clients make better decisions.

Move together

We work alongside our clients as one team, creating open partnerships focused on their success.

The Day One team on an away day

Awards & recognition

Great Place To Work Certified 2025-26
WE CONNECT Women Owned And Managed Certified
Ecovardis Bronze February 2025
Ephmra 2026 MR Excellence Award Winner Innovative Approach
Ephmra 2025 MR Excellence Award Winner Making A Business Impact
Quirks 2024 Market Research & Insight Excellence Awards Winner Health Care / Pharmaceutical Research Project
BHBIA BOBI 2024 Award Winner Best use of Innovation
Ephmra 2023 MR Excellence Award Winner Innovative Approach
Ephmra 2020 MR Excellence Award Winner Innovative Approach

Memberships

Ephmra Member
BHBIA Member

Know what to do next

Let’s discuss how we can help you make better decisions, faster.

Talk to us today