why choose ctnr?

At CTNR, we help small business owners take control of their finances. We provide tax preparation, bookkeeping, customs clearance attestation, and business consultation for e-commerce shops, restaurants, doctor's offices, retail stores, and independent business owners.

We know running a business leaves little time for paperwork. That's why we handle the details for you: organized books, accurate tax filings, and clear guidance so you always know where your business stands financially.

Our approach is simple: listen first, explain everything in plain language, and deliver work you can trust. Whether you're starting a new business or ready to hand off the books you've been managing yourself, we're here to make the process easier.

Let's talk about how we can help your business grow. Schedule a free consultation today.

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MEET YOUR PROFESSIONAL PARTNER

  • SEUNG HOON LEE

    FOUNDER, CEO

    The founder brings 11+ years of international compliance management leadership from DFS Group Limited (an LVMH affiliate), a globally leading luxury prestige retail operator. In this capacity, he specialized in managing multimillion-dollar regulatory and financial exposure across operations, marketing, and public relations within Tax-Free Zones and cross-border joint venture asset evaluations across Alaska, California, Korea, and Hong Kong. Complementing this global trade expertise, he has spent over a decade providing comprehensive federal tax filing and resolution services, while concurrently operating as a licensed Real Estate Broker in the State of California.

    Dual-Licensed Federal Expertise

    • Licensed U.S. Customs Broker (LCB): Top-tier domain expertise solving complex global trade challenges, specializing in U.S. Customs Regulations (19 CFR) and HTSUS Classification.

    • IRS Enrolled Agent (EA): Utilizes the highest credential awarded by the IRS to manage meticulous financial reporting, documentation loops, and strategic defense during agency lookbacks.

    Integrated Financial Defense:

    • Intersects customs law and federal tax code mitigation to protect enterprise and small business supply chains alike.