About Us

Our Vision

To be the leading Business Management Consultant in Perth, helping SMEs achieve long-term success through smarter systems, strategic advisory, and practical solutions. We aim to empower business owners to reduce daily workload, enhance operational efficiency, and increase business value—creating a clear path to succession, sale, or lasting impact.

Advisory
Business Advisory Consulting Services
TEAM MEMBERS

Our Expert Team

At Prime Strategies Perth, our experienced Business Management Consultants and Strategic Advisors deliver tailored solutions to help SMEs improve efficiency, streamline systems, and prepare for succession. Whether you're in Perth, Mandurah, or the Peel region, our team is here to support sustainable business success.

With over 25 years’ experience in various capacities and across multiple industries Sonja is passionate about value engineering in SME businesses to help the owner to reach their personal and professional goals. As a Chartered Accountant, her strong financial management foundation provides an ideal vehicle to identify opportunities in all areas of business where small changes can have a big impact.

Having established and grown several SMEs herself, she can identify with the challenges SME owners face and offer advice from lived experience.

Sonja lives in Perth with her husband and son. She is keen to meet with SME owners to see if there is a mutually beneficial opportunity to work together.

Sonja’s experience includes the following areas:

Gideon Oosthuizen
ADVISOR

Gideon is a passionate entrepreneur who knows what it takes to build and grow a small to medium-sized business. Having founded, scaled, and sold his own successful SME, he understands the unique challenges and rewards that come with running a business. His hands-on experience means he’s not just talking theory—he’s been in the trenches and knows how to navigate the complexities of day-to-day operations.

Gideon specialises in helping business owners like you optimize your operations to boost profitability and enhance the overall value of your business. He believes in a collaborative approach, working closely with you to uncover opportunities for improvement and crafting tailored strategies that make a real difference. His goal is to help you realise your vision and dreams for your business, which can often feel out of reach.

Living in Perth with his wife, son, and two dogs, Gideon is deeply committed to supporting SMEs in Western Australia. He combines a results-driven mindset with a genuine understanding of the local market, making him a valuable partner in your journey toward sustainable success.

Gideon is eager to connect with fellow business owners, sharing his insights and expertise to help you overcome challenges and seize opportunities. His dedication to your success means you can trust him to be by your side as you navigate today’s business landscape.

Gideon has experience in the following areas:

WHO ARE WE

Expert Advisors with a Powerful Network Behind You

At Prime Strategies Perth, you're not just working with one Business Management Consultant—you're gaining access to a trusted network of strategic business advisors across Australia and New Zealand. This collective expertise ensures that you receive tailored, practical solutions backed by real-world experience.
Our focus is on improving business systems, boosting efficiency, increasing value, and reducing risk. Whether you're based in Perth, Mandurah, or the Peel region, our team is committed to delivering advisory services that align with your goals—without adding stress or complexity.
With Prime Strategies, you tap into proven frameworks, shared knowledge, and a collaborative approach that empowers small—and medium-sized businesses to thrive.