Jim McMahon

Financial Advisor

Jim McMahon is a financial advisor in Allworth’s Indianapolis, Indiana, office. With a career spanning nearly four decades steeped in investment and securities expertise, Jim most recently served as Senior Vice President—Investments for Sheaff Brock Investment Advisors, which merged with Allworth in 2025. He began his career working for the Indiana Secretary of State in the Securities Division, then joined Morgan Stanley/Dean Witter where he cultivated his own investment style and philosophy, achieving the title of Senior Vice President of Investments.

A graduate of Manchester College where he played golf, Jim still loves to play the game. He also runs, swims, and bikes with his wife to stay active. When not out and about, you can catch Jim spending time with his children and grandchildren, visiting Florida, or relaxing at the lake.

Over the past decades, I’ve approached every client relationship with the same core focus: understanding their full financial picture and what they want out of life. My process is straightforward and built around asking the right questions from the start. These include but are not limited to:

  • What are your life goals?
  • What does your budget look like today, and what will it need to support in the future?
  • What are your retirement goals, needs, and expectations?
  • Do you have estate plans in place? A will, trust, revocable or irrevocable trust?
  • What are your insurance needs, goals, and preferences?
  • What are your housing plans for retirement?
  • Have you considered long-term care?
  • What are your tax strategies and goals?
  • What is your overall financial profile, including assets, debts, expenses, savings, investing goals?
  • What are your family considerations?

Throughout this process, my clients can expect clear communication, consistent follow-up, and a long-term strategy that’s simple, sustainable, and rooted in decades of real-world experience. I provide practical advice and a planning approach that’s designed to work not just for a few years, but for the next 20, 30, or even 50.

After nearly 40 years in this business, I’ve learned that while helping people reach their goals is deeply rewarding, it’s just as important to respect the realities of the market—and the fact that people’s lives and priorities change over time. That understanding shapes everything I do. I aim to provide steady guidance that evolves with each client, grounded in experience, flexibility, and a clear-eyed view of long-term success.

I’ve learned to respect both the markets and the fact that people’s lives and goals will change—and that’s exactly what good planning should account for.

Latest Insights


The Wrong North Star: Why Returns Shouldn't Lead Your Portfolio Strategy

Most investors with multi-layered wealth probably know their portfolio returns off the top of their heads. Far fewer can answer a more important …

Read more
Leaving the Workforce Early? 3 Things to Get Right Before You Go

For those with significant wealth, leaving the workforce early can easily become reality. But the biggest risks aren't always the ones you think …

Read more
The Estate Planning Opportunity Hiding in Plain Sight

Step-up in basis is one of the most valuable tools in estate planning. It's also one of the most passive, which is exactly why it so rarely gets the …

Read more