How We Work
At Sullivan & Stanley, we work differently — and that difference is what gets results. In a world where traditional consultancies struggle to adapt, we’ve built a model designed for today’s complexity, pace and ambition.
Modern consulting for a world that doesn’t stand still
Our ways of working are human-first, tech-enabled and outcome-obsessed. Whether you're unlocking growth, embedding change, or delivering digital transformation, we help you move faster, deliver smarter and build lasting capability from the inside out.
Explore how our proven methodologies — from Mission-Based Working to our global expert network — are helping some of the world’s most ambitious organisations turn strategy into sustained success.
Mission-Based Working
Real value, real change, delivered in 90 days.
Our signature delivery model puts outcome-focused teams around your biggest priorities — powered by MissionHub.AI and built for real-world complexity.
Consulting Services
Expert-led consulting that turns insight into action.
From strategy activation to transformation design, our embedded consultants help you solve complex challenges and move with confidence.
Capacity Services
The capability you need, when and where you need it.
Through our Change Society network, we provide on-demand access to talent — ready to slot into your teams and accelerate outcomes. We can also provide a managed service, from delivery of programmes, portfolios to support services — combining expert teams with agile governance to drive measurable results.
Real change delivered by real experts
We believe in the power of expert connections. The Change Society™ is Sullivan & Stanley’s community of over 1,000 senior change practitioners with years of client-side experience across a range of sectors. Want to join the interim revolution?
- 1000 + vetted experts in our global community
- 95 % client satisfaction rating
- 40 + sectors and functions represented
Ready to work differently?
Whether you're tackling a critical transformation or just want to explore a better way to deliver change, we’re here to help. Our ways of working are designed to close the gap between strategy and execution — fast, flexibly, and with people who’ve done it before. Get in touch to find out more.