Zest9

Nine Human Strengths,Nine Ways to Work.

Many problems. One belief — humans amplified by AI.

Discover Our Ventures ↓

About Zest9

Zest9 is building a more human relationship with AI — across digital design, e-commerce, healthcare, and industrial software.

We pair deep industry expertise with the scale of AI, working as a small, resolute team. And we choose problems that will still matter in five years — solving them together with the people they affect.

We don't believe in AI replacing humans. We believe in humans amplified by AI.

Nine strengths AI cannot replace.

Nine human strengths, kept as promises across every Zest9 venture.

  1. 01

    Empathy

    Before deciding, we listen to the person behind the request.

  2. 02

    Curiosity

    We ask the question everyone else skips.

  3. 03

    Story

    We turn data into a story that moves people.

  4. 04

    Surprise

    We design the moment you didn't expect.

  5. 05

    Vision

    We build for where the market is going, not where it is.

  6. 06

    Care

    We finish the details users will never notice — and would miss if we didn't.

  7. 07

    Rhythm

    We know when to ship and when to refine.

  8. 08

    Trust

    We keep the promises we make — every time.

  9. 09

    Joy

    We build products people love — and we love building them.

Our Ventures

Different industries. The same way of building.

AccuFit

In Development

Shipbuilding Precision Measurement SaaS

Cloud-based design-to-measurement integration for Korean and global shipyards.

Built on 20 years inside Korean shipyards.

PillNoti

In Development

Family Medication + Health Subscription

A free family medication app paired with a trusted health-supplement subscription.

Free for families. Trusted in subscription.

Sellbyai

Active

AI-Powered Dropshipping Platform

Operated by Zest9 USA LLC (Wyoming). Multi-store automation for the U.S. consumer market.

Built for the U.S. consumer market.

ChemBAS

Coming

Chemical Materials Analytics & Trading

AI-powered analytics for chemical materials, paired with a B2B trading platform connecting suppliers and buyers.

Where industrial data meets the marketplace.

SiteFit

Coming

Civil & Construction Automated Monitoring

Real-time, sensor-based monitoring for civil engineering and construction sites — edge devices and a cloud dashboard in one.

Built from years on Korea's largest construction sites.

Zest9 Studio

Active

Hybrid AI Design Services

Brand identity packages combining AI-generated concepts with human refinement.

Where every Zest9 brand begins.

Nine ways we work.

Nine words. The rest you'll see in our work.

  • 01
    Last

    We build for decades, not quarters.

  • 02
    Dive

    We dig to the root, not the symptom.

  • 03
    Reach

    We look across industries and borders.

  • 04
    Move

    We close the gap between decision and ship.

  • 05
    Lift

    We strip what doesn't earn its place.

  • 06
    Aim

    We aim for the right answer, not the close one.

  • 07
    Join

    We go further together than alone.

  • 08
    Renew

    We question yesterday's answer today.

  • 09
    Play

    Work as play. Play as work.

Get in touch.

For partnerships, investments, or just to say hello.

Email
hello@zest9.com
Location
Seoul, Korea