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KB Gold Jewelry
Premier jewelry brand and retail operations. Curated collections of fine gold pieces designed for the modern consumer.
Retail & E-Commerce Visit SiteMichigan-Based Holding Company & Tech Studio
Building the Future of Business and Technology.
Architects of Innovation. We create, manage, and scale the digital and legal structures that drive modern growth.
Our Portfolio
The Ecosystem
Companies, products, and platforms we've built, launched, and manage under the Fonsek Companies umbrella.
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Gold Manager Pro
Advanced SaaS inventory management solution purpose-built for the jewelry industry. Real-time tracking, analytics, and point-of-sale integration.
SaaS Platform Visit Site
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Inglés Fácil
Mobile EdTech application designed for intuitive English language learning. Bite-sized lessons, gamification, and progress tracking.
Mobile App & EdTech
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La Lucy Company
A full-scale digital ecosystem built for Michigan's premier marketing and events agency. Website, branding, and digital infrastructure.
Digital Ecosystem Visit Site
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HabanaRents / HavanaRents
Vacation rental and real estate platform with a dual-domain strategy. We acquired both habanarents.com and havanarents.com to capture traffic from both spelling variations and protect the brand against market confusion.
Smart redirects ensure zero lost traffic — both domains funnel to the primary platform.
What We Do
Business & Tech Studio
Two pillars of service designed to launch, structure, and scale your business from day one.
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Business Launchpad
Don't know where to start? We handle the paperwork so you can focus on your business. Pick what fits your situation:
Starting a new business?
Best Value — Save $77.98
Complete Business Package
LLC + EIN + Operating Agreement + BOI — everything you need in one step
✓ LLC Formation
✓ EIN Registration
✓ Operating Agreement
✓ BOI Report
Already have an LLC? Pick what you need:
EIN Registration Only
Federal Tax ID from the IRS. Needed for bank accounts, hiring, and filing taxes.
$74.99Custom Operating Agreement
Tailored operating agreements that define member roles, equity splits, and management structure.
$74.99BOI Reporting (FinCEN)
Beneficial Ownership Information reporting. Mandatory for most U.S. companies — avoid penalties.
⚠ Mandatory $49.99Resale Tax License
Sales tax permit for retail, wholesale, and e-commerce. Required if you sell physical goods.
For sellers only $74.99
Note: We assist with the bureaucratic process of formation and filing.
You remain the sole owner and registered agent of your business at all times.
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Tech Studio
Custom development with a performance-first philosophy. Every line of code is hand-written — zero templates, maximum speed.
Custom Web Design
Performance-first websites built in VS Code with hand-crafted code. Optimized for 100/100 PageSpeed scores.
Mobile App Development
Native and cross-platform mobile applications for iOS & Android. From concept to App Store deployment.
Software Maintenance & Cloud Security
Ongoing support, server monitoring, performance optimization, and enterprise-grade cloud security protocols.
Our Edge
Why Fonsek Companies
We don't just advise — we build and operate. Our own ecosystem is proof of our process.
Practitioners, Not Just Consultants
We operate our own businesses, products, and platforms. Every recommendation comes from real-world experience, not theory.
Zero-Template Policy
Every project is built from scratch with custom code. No WordPress, no Wix, no page builders — just pure, high-performance engineering.
Michigan Roots, Global Standards
Based in Michigan with a commitment to excellence that meets international standards. Local service, world-class quality.
Official Recognition
Endorsed by Authorities
KB Gold Jewelry LLC — a company in our portfolio — became the first business in Ottawa County to comply with electronic reporting, using Gold Manager Pro, a platform we built and operate.
Tap to view full letter
"KB Gold Jewelry LLC is currently in full compliance with the State of Michigan's reporting requirements for second-hand dealers and pawnbrokers."
First Certified Business
KB Gold Jewelry LLC in Ottawa County
Powered by Gold Manager Pro
Our SaaS platform, integrated with RISSprop
Full State Compliance
With Michigan's laws for dealers
Safer Community
Efficient workflow for law enforcement
Ready to Build Something?
Whether you need to launch a business or build a digital product, we're ready to architect the solution.
Or email us directly at info@fonsekcompanies.com