Leysys · SaaS & AI

Business essentials, from A to Z

We build global business essentials with Aytion ERP and Zution CRM, alongside applications for property, legal work, learning and insights. Aytion is being developed with optional HRM.

BUSINESS APPLICATIONS

Business essentials and
industry applications

TECHNOLOGIES

Four technologies
inside our applications

  1. High-volume processing
  2. FintechBilling · Payment collection · Reconciliation
  3. ProptechLeases · Service charges · Property analysis
  4. Legal techE-voting and meetings · Legal workflows · Contract signing
  5. DataMarket data · Seller analytics · Reports
Explore what we build →
HIGH-VOLUME PROCESSING

Billing and tallying,
thousands at a time

Leyve

October 2026 service charges

Darae Hills · 14 buildings

2,846bills in one run

Charges calculated
2,846
Bills issued
2,846
Payments matched
2,311
ArenVote

2026 annual general meeting

Saesol District 2 Reconstruction Association

1,708ballots counted

Members
1,962
Turnout
87.1%
Agenda items
6 decided
HOW WE BUILD

The work comes first,
the software follows

Operations by design

We design the whole workflow, end to end

From the first step to the final record, every stage is designed together, the way the work actually runs.

Trust built in

Results that matter keep their evidence

Permissions, change history and a verifiable record travel with every amount, document and vote.

Expertise made usable

Accurate, yet easy to learn

The product handles the complex rules, so people can focus on the decision.

Illustration of Kyoungsup Choi wearing glasses
LEADERSHIP

Kyoungsup Choi Founder & CEO

Kyoungsup Choi has led product planning for Leysys's business applications since 2018, after working at BCG and in Strategy & Planning at SK hynix.

Meet our founder →
WORK WITH US

Partners and investors reach our team directly

Pricing and sign-up live on each brand's own site.