- July 2026 billing487 unitsIn review
- Building A notices164 noticesConfirmed
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.
LeyveService charges
Hanbit Tower · July 2026- For72%
- Against18%
- Abstain10%
BUSINESS APPLICATIONSBusiness essentials and
Business essentials and
industry applications
ERP
CRM
Governance
Legal operations
LMS
Insights
TECHNOLOGIESFour technologies
Four technologies
inside our applications
- High-volume processing
- FintechBilling · Payment collection · Reconciliation
- ProptechLeases · Service charges · Property analysis
- Legal techE-voting and meetings · Legal workflows · Contract signing
- DataMarket data · Seller analytics · Reports
HIGH-VOLUME PROCESSINGBilling and tallying,
Billing and tallying,
thousands at a time
October 2026 service charges
Darae Hills · 14 buildings2,846bills in one run
- Charges calculated
- 2,846
- Bills issued
- 2,846
- Payments matched
- 2,311
2026 annual general meeting
Saesol District 2 Reconstruction Association1,708ballots counted
- Members
- 1,962
- Turnout
- 87.1%
- Agenda items
- 6 decided
HOW WE BUILDThe work comes first,
The work comes first,
the software follows
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.
Results that matter keep their evidence
Permissions, change history and a verifiable record travel with every amount, document and vote.
Accurate, yet easy to learn
The product handles the complex rules, so people can focus on the decision.

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.