Advice for families who think in decades, not quarters.

Jonathon has spent more than ten years helping family businesses and long-term clients across Brisbane navigate the decisions that actually determine financial security.

Authorised Representative of Lifespan Financial Planning | AFSL 229892

Collaboration is the cornerstone. In Middle Park, I enjoy meeting with clients, like small business owners, in relaxed settings to review and develop long-term financial strategies.

ABOUT JONATHON

Professional advice, without the ticking clock.

Jonathon holds a Graduate Diploma in Financial Planning and operates as an Authorised Representative of Lifespan Financial Planning, one of Australia’s most established and longest-running advice licensees.

But credentials only tell half the story. Jonathon doesn’t believe in rushing complex decisions in a sterile boardroom. He prefers sitting down at your kitchen table – or welcoming you into the Middle Park office – and taking the time to understand your complete financial picture.

There are no ticking clocks during his meetings. Whether it takes one hour or three, the goal is always the same: replacing financial guesswork with absolute structural certainty, so you and your family can confidently switch off.

A professional photograph of Jonathon De Martini, a Financial Adviser in Middle Park, Brisbane, smiling and holding a takeaway coffee outside a leafy modern cafe.

OUR PHILOSOPHY

Built on clarity, not sales targets.

Strategic Independence

We are in the business of providing structural advice, not pushing financial products. Every recommendation is built solely around your family's actual goals.

Generational Horizon

We don't plan for the next financial quarter; we plan for the next few decades. Our strategies are built to withstand legislative changes and outlast market panic.

Absolute Clarity

No financial jargon, no hidden fees, and no guesswork. If a strategy is too complex to explain at your kitchen table, it’s too complex to implement.

YOUR QUESTIONS

Common Questions

What happens in our first meeting?

We sit down for a casual, no-obligation conversation. There is no ticking clock. We take the time to understand your current financial position, your long-term goals, and whether our specialised approach is the right fit for your family. If it’s not, we will point you in the right direction.

Not sure if you’re the right fit? Send us a note and we’ll tell you honestly.

Ready to build a strategy that lasts?

Good financial architecture begins with a single, no-obligation conversation. Let's sit down and look at the big picture.

A professional photograph of Jonathon De Martini, Middle Park financial planner and director of DeMar Financial Planning Pty Ltd, walking and talking smilingly with an elderly client along a sun-drenched pathway in a lush, green park, providing personalised retirement and investment advice. The thumbnail variant.

Professional financial planning for family businesses and long-term clients across Brisbane.

(07) 3279 5966

Address

Shop 36/90 Horizon Dr, Middle Park QLD 4074

Important information

DeMar Financial Planning Pty Ltd is a Corporate Authorised Representative (ASIC No. 1310175) of Lifespan Financial Planning Pty Ltd (AFSL 229892). Jonathon De Martini is an Authorised Representative (ASIC No. 1272102) of Lifespan Financial Planning Pty Ltd (AFSL 229892).

The information on this website is general in nature and has been prepared without taking into account your objectives, financial situation, or needs. Before acting on it, consider its appropriateness to your circumstances and read the relevant Financial Services Guide and Adviser Profile before making any decisions.

© 2026 · DeMar Financial Planning · Financial Adviser Website by Big Bao