UK-based in Northern Ireland, working with clients globally.
For established business owners who want growth
without sacrificing their health, home, or headspace.
Growth built on personal strain isn’t sustainable.
It increases risk and limits capacity.
Businesses that last are shaped by clear decisions,
proper prioritisation, and structures that don’t rely on constant pressure.
Freedom isn’t a future reward.
It’s designed into how the business runs now.
Take the
Strategic Capacity Audit
A free business audit designed to identify operational pressure points, decision bottlenecks, and capacity limitations.
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Strategic Business Mentor for Established Business Owners
That’s where my work begins.
Kellie Tannahill provides strategic business mentoring for established owner-led businesses, supporting founders with decision-making, prioritisation, operational clarity, and sustainable business growth.
Strong businesses are not built by pushing harder.
They’re built by designing operations that perform without relying on personal depletion.
Together, we shape businesses that grow while protecting the person at the centre of them.
About
My work is grounded in over two decades of operational and financial decision making inside owner led businesses. I’ve worked across multiple sectors, supported growth at different stages, and partnered with owners where decisions directly affected cash flow, teams, and long-term viability.
Most established owners already have capability, experience, and drive.
What’s often missing is the space to think clearly, pressure-test decisions, and lead deliberately as the business becomes more complex.
My role is not to motivate or provide generic advice.
It’s to act as a strategic business mentor when decisions carry real weight and consequence.
This is commercially grounded mentoring focused on decision quality, prioritisation, and sustainable performance.
When a business is designed to support clear leadership, it becomes more resilient, more profitable, and less dependent on personal strain.
Services
Explore how we can strengthen decision-making as complexity increases
Success Beyond Strategy
Success Beyond Strategy is a business mentoring container for established business owners navigating real decisions, growing complexity, and increasing pressure, where the quality of decisions matters more than effort or motivation.
This work is not about starting again, fixing yourself, or adding more strategy for the sake of it.
It’s about creating the conditions for clean, well-timed decisions as the business evolves.
My work is grounded in over two decades of operational and financial decision making inside owner led businesses.
I have led and supported growth across multiple sectors, working with businesses operating from approximately £300k through to £2.5 million in turnover, including opening new businesses and supporting acquisitions and transitions.
This experience shapes how decisions are tested, how priorities are set, and how risk is managed as complexity increases.
What we work on together
Set direction with intent
Clarify what the business needs to make possible over the next 6, 12, and future months, without overloading capacity.
Identify what’s quietly slowing execution
Surface bottlenecks, patterns, and decision friction that drain progress without being obvious day to day.
Use what already exists more effectively
Strengthen decisions by leveraging current strengths, systems, and support rather than adding unnecessary complexity.
Plan forward without personal depletion
Translate direction into action that fits real capacity, not just ambition or calendar pressure.
Maintain decision quality as you grow
Review, adjust, and refine as the business changes, without constant reinvention or drama.
This is a structured, thinking-led partnership designed to protect decision quality as responsibility and consequence increase.
Success Beyond Strategy is not coaching and not consulting.
It’s a contained space to think clearly when decisions carry weight.
FREE Strategic Capacity Audit
A short diagnostic to identify where decision making, structure, or focus is constraining performance.
The Strategic Capacity Audit helps you see:
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where decisions are taking more effort than they should
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where capacity is being consumed unnecessarily
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where the business is relying too heavily on you
It gives you a clear view of what needs attention now, without overhauling everything or adding more work.
FREE 30 Minute Productivity Planning Session
A focused working session to resolve one priority that is currently slowing momentum or consuming disproportionate attention.
If day to day demands or competing priorities are fragmenting your attention, this session creates the space to clarify what matters most now and identify the next clean decision.
This is a short, contained intervention, not a coaching call, not a strategy overhaul.
I could never get much work done,I'd get trapped into not taking action and claim it was overwhelm when Kellie could see exactly what as going on for me and my business.
Kellie has innate ability to see past your answers to see the deeper meaning and is a true coach.
Greg Fearon
Kellie has really helped me to think more clearly about my business, helping me to identify and prioritise key areas that I can work on, such as those that cause me the most stress, not only to ensure a profitable business, but a business that is in line with my core values and one that ensures a good work life balance.
Stephen Rea
Kellie helps you to ask yourself the questions you don't push yourself to answer, and guides you through those blocks in a really supportive way. Enlightenment and immediate actions off the back of the first session. Knowing those clear answers came from within yourself makes them undeniable and achieveable. Super helpful and would highly recommend, thank you Kellie.
Laura Parsons