# Seisystems

> Publicly sourced profile assembled by Optimly, in the Optimly AI Brand Index. Last refreshed 2026-10-04.

- **Business Profile:** https://optimly.ai/brand/seisystems
- **Dataset:** https://optimly.ai/brand/seisystems.json
- **Markdown:** https://optimly.ai/brand/seisystems/llms.txt
- **Official website:** https://seisystems.com
- **Slug:** seisystems
- **Categories:** proptech

## Overview

- **Tagline:** Established standard in MLS products, tailored systems with numerous features, effective and reliable management tools integrating latest technology, and seamless data cooperation.
Source: Brand's website (https://seisystems.com) · 2026-10-04

- **Description:** Seisystems, operating as Systems Engineering, Inc. (SEI), is a leading vendor of Multiple Listing Service (MLS) products. It provides effective and reliable management tools combined with the latest technology for REALTORS® and real estate associations across the United States, offering tailored MLS systems under its NAVICA® suite.
Source: Brand's website (https://seisystems.com) · 2026-10-04

## Offerings

- **Core capabilities:**
  - NAVICA® NEXT (flagship MLS application)
  - NAVICA® Data Share (data sharing system)
  - NAVICA® AMS - Association Management System (real estate association management)
  - NAVICA® Mobile Plus App (mobile MLS access)
  - NAVICA® MLS Showing Manager
  - NAVICA® Web Solutions (office and member web solutions)
  - NAVICA® Tax | Public Data (property tax solutions)
  - and Data Services (RETS and API feeds).
Source: Brand's website (https://seisystems.com) · 2026-10-04

- **Pricing:** Not specified, likely subscription-based.
Source: Brand's website (https://seisystems.com) · 2026-10-04

## Audience

- **Target industry:** REALTORS®, real estate Boards and Associations (including state and commercial), individual real estate offices in the United States.
Source: Brand's website (https://seisystems.com) · 2026-10-04

Page last updated 2026-10-04.