Cardiff's trusted school for financial education. We teach children the value of saving and guide adults through investment strategies that build lasting wealth.
Explore Our CoursesBuilding financial confidence through practical education tailored to your life stage
Our educators hold professional qualifications in finance and teaching, ensuring quality instruction at every level.
Real-world exercises, simulations, and case studies make learning applicable to everyday financial decisions.
From young savers to seasoned investors, our programmes accommodate learners of all ages and backgrounds.
Select a programme that matches your goals and current knowledge level
Interactive sessions teaching children aged 7-12 the fundamentals of saving, spending wisely, and setting financial goals.
Preparing teenagers for real-world money management including budgeting, banking basics, and understanding credit.
A comprehensive introduction to stocks, bonds, and funds for adults looking to grow their wealth responsibly.
Onyx-gorge began with a simple mission: make financial literacy accessible to everyone. What started as weekend workshops has grown into a comprehensive educational institution serving the Cardiff community.
Our instructors combine academic expertise with industry experience, having worked in banking, investment management, and financial advisory roles before dedicating themselves to education.
Feedback from families who have completed our programmes
"My daughter now saves half her pocket money without being asked. The Junior Money Minds programme taught her skills that will serve her for life."
"After completing Investment Essentials, I finally understood how to build a diversified portfolio. I have since opened my first ISA with confidence."
"The instructors genuinely care about your progress. They explained pension options in a way that finally made sense to me after years of confusion."
Tell us which programme interests you and we will send detailed course materials
Join over two thousand Cardiff residents who have gained the knowledge to make smarter money decisions. Enrolment is open for all upcoming terms.
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