Day One Strategy

Comprehensive Company Intelligence Report

Report Date: September 2025

Executive Summary

Day One Strategy is a 100% women-owned and managed global healthcare insight and strategy agency at the forefront of tech-led innovation. Founded in 2019 by Abigail Stuart and Hannah Mann, the company has rapidly established itself as a pioneer in combining artificial intelligence with traditional market research to deliver deeper insights for pharmaceutical companies.

Founded

February 13, 2019

Total Assets (2024)

£5.16M (+71% growth)

Company Overview

Core Details

  • Company Number: 11825606
  • Headquarters: 33 Foley Street, London, W1W 7TL
  • Classification: Small company (balance sheet under £7.5M)
  • Offices: London (HQ) and United States
  • Certification: WEConnect International certified

Mission & Vision

Day One Strategy exists to help healthcare companies make better decisions by combining technology and human intelligence to understand customer wants, needs, and behaviors. Their name embodies their philosophy: approaching each day with fresh energy and creative problem-solving.

Financial Performance & Growth Metrics

Total Assets

£5.16M

↑ 71% YoY

Annual Revenue

~£3.3M

Estimated

Team Size

40+

↑ 14% growth

Global Reach

2

Office Locations

Leadership Team

Abigail Stuart

Abigail Stuart

Founding Partner

Key Achievements

  • • Built healthcare research business from scratch at age 24
  • • Former Managing Partner at Hall & Partners (youngest at 28)
  • • 2023 Campaign 40 over 40 award winner
  • • Forbes Councils member

Expertise Focus

  • • AI integration in pharmaceutical research
  • • Technological transformation of healthcare insights
  • • Voice technology applications
  • • Innovation culture development

Hannah Mann

Founding Partner

Background

  • • 23+ years in pharmaceutical research
  • • PhD in Biotechnology background
  • • Client and agency side experience
  • • World's largest pharma brands expertise

Specializations

  • • Vaccination expertise (15+ years)
  • • Product lifecycle management
  • • Strategic thinking and scientific rigor
  • • Brand development to launch
Reena Sooch

Reena Sooch

Partner, Head of Digital Strategy

Experience

  • • 16+ years in healthcare digital transformation
  • • Previously Global Head of Digital at Ipsos
  • • BSc in Psychology, University of Kent
  • • Fluent in Hindi and Punjabi

Leadership Roles

  • • Keynote speaker (CES, HLTH, ViVE)
  • • REACH advisory board member
  • • Health Parliament think tank advisor
  • • LLMs and Generative AI specialist

AI & Technology Innovation Portfolio

AI Navigator Platform

The first global community designed to help healthcare marketing and insights professionals navigate artificial intelligence.

  • Free membership community
  • Monthly AI tool sharing
  • Expert masterclasses
  • Knowledge sharing platform

Proprietary AI Solutions

FutureScope

Tech-enabled value proposition development

CreAItive Loops

AI-powered communications optimization

AgileTracker

Real-time brand tracking with AI analytics

Voice Technology

Immediate HCP reaction capture

Strategic AI Partnerships & Technology Stack

LLM Technologies

  • • Brand-specific LLM implementations
  • • Custom GPT models for healthcare
  • • Generative AI for insight synthesis

AI-Video Generation

  • • Immersive future scenarios
  • • AI-generated physician experiences
  • • Dynamic content creation

Analytics Platforms

  • • Predictive modeling tools
  • • Real-time data processing
  • • Automated insight generation

Success Story: Sanofi Collaboration

Challenge

Understanding patient/HCP needs for medicine launching in 5+ years using traditional research methods.

Solution

AI-generated immersion videos transporting physicians into future healthcare landscape with brand-specific LLM.

Results

Significant time savings, living knowledge repository, insights continue delivering value 6+ months post-completion.

Global Pharmaceutical Clients

Day One Strategy works with world's leading pharmaceutical companies:

Top 10 Pharma
Biotech Leaders
Specialty Pharma
Digital Health

Projects span from pre-launch to mature brand optimization

2024-2025 Achievements & Recognition

UK's Best Workplaces

Advertising, Media & Marketing 2025

BHBIA BOBI

Best Innovation Award 2024

Women in Business

Business Leaders in Technology 2024

EphMRA Excellence

Innovative Approach 2023

Therapeutic Areas Expertise

Oncology

Immunology

Respiratory

Cardiovascular

Ophthalmology

Neuroscience

Rare Disease

Vaccines

Competitive Positioning

Traditional Market Research

  • Static PowerPoint reports
  • Point-in-time research
  • Limited technology integration
  • Manual data analysis
  • Traditional segmentation

Day One Strategy Approach

  • Dynamic, technology-enabled insights
  • Living knowledge repositories (LLMs)
  • AI-enhanced methodologies
  • Automated insight generation
  • Real-time data integration

Interview Preparation: Key Talking Points

For Abigail Stuart Discussion

Strategic Topics:

  • • AI transformation journey in healthcare research
  • • Women-owned business perspectives in tech
  • • Future vision for AI in pharmaceutical research
  • • Campaign 40 over 40 recognition insights

Technical Focus:

  • • AI Navigator and FutureScope applications
  • • Voice technology and behavioral prediction
  • • Scaling AI adoption challenges

For Reena Sooch Discussion

Strategic Topics:

  • • Digital health innovation patterns
  • • LLMs as healthcare's "next frontier"
  • • Global health impact through technology
  • • Cross-industry alliance building

Technical Focus:

  • • Psychology background influence on digital strategy
  • • AI implementation in diverse settings
  • • Longevity technology applications

Recommended Questions to Ask

  1. 1 "What role do you see AI playing in addressing healthcare accessibility and equity challenges?"
  2. 2 "How do you balance rapid innovation with regulatory requirements in pharmaceutical research?"
  3. 3 "What emerging AI technologies are you most excited about integrating into your service offerings?"
  4. 4 "How has being 100% women-owned influenced your approach to innovation and client relationships?"
  5. 5 "What are the biggest challenges pharmaceutical companies face in adopting AI-powered methodologies?"

Key Success Metrics to Reference

71%
Asset Growth in 2024
5
Years Since Foundation
4+
Industry Awards 2024

Company Evolution & Milestones

February 2019

Company founded by Abigail Stuart & Hannah Mann

2021

US office launch & global expansion

2023

AI Navigator platform launch

2024-2025

71% asset growth, multiple awards, 40+ employees

Revenue Model & Service Offerings

Opportunity Assessment

35%

Market landscape, competitor analysis, value proposition development

Communications Research

40%

CreAItive Loops, message testing, campaign optimization

Agile Brand Tracking

25%

Real-time monitoring, AI-powered insights, performance metrics

*Estimated revenue distribution based on service portfolio

References & Data Sources

Primary Sources:

  • • Day One Strategy Official Website (dayonestrategy.com)
  • • Companies House UK Filing #11825606
  • • WEConnect International Certification Database
  • • Great Place to Work® Certification 2023-2025

Industry Recognition:

  • • BHBIA BOBI Awards 2024 - Best Innovation
  • • EphMRA Excellence Award 2023
  • • Campaign 40 Over 40 Recognition 2023
  • • UK's Best Workplaces™ 2025

Document Analysis: This report synthesizes information from multiple AI-generated research documents including comprehensive reports from ChatGPT, Manus AI, Perplexity AI, Gemini, and Grok, providing a consolidated view of Day One Strategy's position as a leader in AI-powered pharmaceutical market research.

Last Updated: September 2025 | Confidence Level: High (based on multiple corroborating sources)

This comprehensive report positions you to engage in sophisticated discussions about AI applications in pharmaceutical market research and demonstrate alignment with Day One Strategy's innovative approach.