Sirius Wealth ManagementSirius Wealth Management is an independent, fee-based firm in Chesterfield, MO, serving the St. Louis region. Our CFP® Professionals and Financial Advisors specialize in retirement planning, investment management, tax-aware strategies, and estate coordination for business owners, corporate professionals & executives, and retirees. With more than 25 years of service and 85+ years of combined experience, we help you see your whole financial picture as one connected plan. Through thoughtful planning and disciplined investment strategies, we help our clients preserve what they’ve built, navigate life’s transitions, and create continuity for their families—so financial decisions made today can support long-term goals and lasting legacies.
Sirius Wealth Management (siriuswealth.com) has 4 customer reviews on Five Star Index, with an average rating of 5.0 out of 5.
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4 approved reviews, newest moderated first
Rachael M.
I’m so grateful to have connected with Mason! He genuinely cares about helping others succeed financially and takes the time to understand your goals and priorities. Their knowledge, honesty, and personalized approach make you feel confident that you’re in good hands. I highly recommend them to anyone looking for someone who truly cares about their financial future!
Jason
I've watched the wealth advisors at Sirius Wealth Management in Chesterfield help people plan for retirement, and I'm consistently impressed. They're smart, patient, and they take the time to understand what a secure retirement means for each person instead of handing out a one-size-fits-all plan. They also have a strong network of companies and professionals behind them, so whatever the situation, they know who to bring in. If I had a question about almost any kind of asset, they'd be my first call. I've known one of the partners for over 10 years. He's a man of real character and integrity, and I'm proud to call him a friend. If you're in Chesterfield or the greater St. Louis area and looking for a financial advisor you can trust, I'd recommend Sirius without hesitation.
Response from Sirius Wealth ManagementOct 23, 2026
Jason, thank you for sharing your experience! We pride ourselves on being fiduciaries and guiding our clients through comprehensive financial planning focused on retirement planning and investing in retirement. Everyone we work with has unique circumstances and we take time to truly understand our clients and what they need. Couldn't have said it better ourselves - when it comes to needing other professionals in the room, we bring in the best professionals to carefully handle our clients. Again, thank you for your trust and recommendation in Sirius Wealth Management!
Christopher T.
Mason Brunsmann at Sirius Wealth Management is the real deal. He brings genuine strategic thinking rather than the one-size-fits-all approach I’ve seen elsewhere. He truly cares about his clients, and I always feel confident his advice is in his client's best interest. Highly recommend!!!
Response from Sirius Wealth ManagementOct 16, 2026
True financial planning means that no stone is left unturned! Nothing should be reviewed in isolation. Thank you for the recommendation and acknowledgement of the care & advice I give to clients.
Keith H.
The Sirius Wealth team is one I would recommend to anyone. Their knowledge, skills, and professionalism is at the top of the market. The whole team, especially Mason Brunsmann knows it all and had great recommendations.
Response from Sirius Wealth ManagementOct 14, 2026
Keith, thank you for your recommendation in Mason and the Sirius Wealth Management Team. We are truly passionate about the comprehensive financial planning and investment work we do for our clients. We look forward to the many years of working together!