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Mando Castillo
Denton, TX
Certified CFO Since 2025 
Certification ID: CFO-44F27QS 
Why Business Owners Love Working With Me  
Clients love working with me because I treat their business like my own — bringing clarity, heart, and a steady hand when it matters most.
My Biggest Success Story  
A client once came to me worried about making payroll and never feeling in control of their cash. I created a cash flow forecast, set up simple tracking systems, and helped them focus on the right numbers. Within a year, cash flow was up more than 50% and net profit had nearly doubled. They went from surviving month-to-month to confidently planning for growth.
About Me  
I’m the Founder of Castle HQ, a fractional CFO firm based in Denton, Texas. With over 15 years of executive finance and operations experience, I help small and mid-sized businesses gain clarity, improve cash flow, and drive profitability. My expertise includes financial planning, forecasting, and performance management, but what clients value most is my ability to make complex numbers clear and actionable. I work as a true partner to business owners, providing the insight and structure they need to scale with confidence.
Top 3 Types of Businesses I Help  
Construction & Trades
Home Services
Real Estate
Contact Me  
email
mando@castlehq.net
Schedule a Right Fit Call  
To see how I can help your business, let's get on a 20-minute call. This complimentary call will determine if we're a 'right fit' for each other. If we are, then I'll tell you exactly how I can help you and your business.

On this call, I'll learn more about you and the goals you have for your business. Together, we'll determine if it makes sense to continue exploring how I can help you grow your business.

To schedule a Right Fit call. Click the button below.
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 What a Certified CFO Can Do for Your Business 
 Give you financial oversight. 

Get someone who knows how to grow successful businesses that make real money.

 Be your go-to financial guide. 

Get a 'go-to' financial expert who will be with you every step of the way.

 Give you direction on what to do. 

Get direction on the exact next steps to have a growing and successful business.

 Understand your numbers. 

A successful business is one that understands and is improving their numbers.

 Be a trusted confidant. 

Finally have someone to turn to for advice and to bounce ideas off of.

Own a machine. Not a job. 

Your business needs to be a machine that makes money for you. Not a low-paying job.

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