Meet Billy Linehan, Business Mentor & Adviser

How Celtar Supports Business? I’m Billy Linehan, founder of Celtar Advisers. For over 30 years, I’ve helped business owners clarify their goals, solve tough problems, and make confident decisions. My approach is practical, honest, and focused on what actually works – not just theory. (Photo by @artemkulinych.ph, taken at StartUp Weekend Women in Dublin)

Why Choose Celtar?

Unlike generic business coaching, I tailor my advice to each client’s unique challenges and goals. Key areas I support include:

  • Business Growth and Strategy. Helping you set realistic goals, scale efficiently, and improve profitability.
  • People & Performance. Aligning your team for collaboration, productivity, and impact.
  • Change & Transition Management. Guiding you through restructuring, digital transformation, or leadership change.
  • Family Business Change and Succession. Supporting generational transitions and succession planning, and long-term planning with sensitivity and clarity.

What Business Owners Say

Case Study: Startup Finds Clarity – “Being self-employed, I had no one to share my thoughts with when it came to making key business decisions. My 1-2-1 sessions with Billy were invaluable. He helped me focus on what really mattered. After each session, I had a clear action plan — and real progress followed.”

Result: A focused business plan, strong decision-making, and a thriving new enterprise.

Case Study: SME Builds a Stronger Future – “Billy worked with us during a period of change. He helped align company objectives with staff goals and developed a long-term strategy. The impact was a stronger, more focused business.”

Result: Sustainable growth and improved team performance.

How Celtar Supports Business – Tailored to Your Needs

  1. One2One Business Mentoring. Ideal for entrepreneurs, SME leaders, and family business owners facing key decisions or challenges.
  2. Strategic Business Planning. From business growth roadmaps to succession planning and turnarounds.
  3. Digital & Operational Improvement. Connecting SMEs with digital tools, CRM, ERP, automation to work smarter, not harder.
  4. Workshops & Team Advisory Support. Facilitated workshops to build alignment, spark ideas, and plan for change.

How to Work with Billy?

  1. Book Online – Get the best rate by pre-paying through my Setmore booking page.
  2. Avail of Free Mentoring via MentorsWork – It may take a few weeks to get through, 4 sessions if you’re eligible, access fully funded support via MentorsWork & ensure you ask for Billy Linehan Funded by Irish government’s agency Skillnet Ireland.
  3. Email Me? Let’s talk through what you need. Email [email protected] to start the conversation, briefly describe your business and your query.

“I see the light in the tunnel.”

That’s how one client summed up our sessions. If you’re ready for that kind of clarity, I’m ready to help.

How Celtar Supports Business?

If I can’t assist directly, I’ll refer you to my extensive network of experts and consultants, including Agile Executives, Target Integration and where appropriate Local Enterprise Offices and Enterprise Ireland.