When the next move matters, clarity comes first.

On the Brink Advisory supports leadership teams at moments of change, bringing strategic clarity across marketing, go-to-market and customer experience.

Let’s Talk

About Us

On the Brink Advisory is a boutique consultancy founded by Sian Brink, a senior marketing, digital and customer experience leader with board-level responsibility across international consumer brands.

Partnering with founders and leadership teams at moments of inflection growth, transformation or reset On the Brink Advisory helps organisations move forward with clarity, confidence and pace.

About us

How I support leadership teams

Go-to-Market Strategy

Go-to-Market Strategy

Clarifying proposition, audience, channel strategy and execution priorities to drive confident market entry or acceleration.

Marketing & Brand Leadership

Marketing & Brand Leadership

Senior advisory across brand positioning, portfolio strategy and marketing effectiveness from strategy through to execution oversight.

Customer Experience & Digital

Customer Experience & Digital

Designing and enabling customer led journeys, digital platforms and tools that simplify decision making and drive commercial impact.

Fractional & Interim Support

Fractional & Interim Support

Hands-on leadership support at critical moments providing experienced guidance without long term overhead.

Sian Brink
“Sian Brink is a senior marketing, digital and customer experience leader with board-level responsibility across international consumer brands. She has led complex transformation programmes spanning go-to-market strategy, digital platforms, customer experience and brand growth working closely with executive teams, boards and partners to deliver meaningful commercial outcomes. On the Brink Advisory brings this experience into focused, high-impact advisory support at moments when clarity matters most.”

How On the Brink Advisory works

I work closely with leadership teams in a highly collaborative, pragmatic way combining strategic thinking with real-world execution experience.

Engagements are shaped around what’s needed most at that moment:

Every engagement is tailored. No templates. No unnecessary noise.

Why On the Brink Advisory

The most important decisions are often made at the edge of change when organisations are on the brink of growth, transformation or reinvention.

On the Brink Advisory exists to bring clarity, perspective and confidence at those moments.

Let’s start a conversation

If you’re navigating a moment of change or approaching one I’d love to talk.

Email Sian Fort Lauderdale, Florida