# OPEX > OPEX is the digital contract and sales platform for Australian real estate, and a > standalone e-signing platform for business. Australian law firms, property > developers, real estate agents and financiers use it to prepare, sign and exchange > off-the-plan and project sales contracts at volume. Operated by OPEX Contracts Pty Ltd > (ACN 625 729 071); data is hosted in Australia. ## Products - [OPEX for Real Estate — off-the-plan contract platform](https://www.opex.com.au/real-estate): Run the whole property sales lifecycle: master contracts, buyer contracts at scale, e-signing, exchange, variations, nominations and settlement through PEXA. - [OPEX for Business — Australian e-signing for any document](https://www.opex.com.au/business): Send contracts, NDAs, proposals and forms for signature in minutes. SMS-verified signing, a complete audit trail and Australian hosting, at $5 per document. ## By audience - [Conveyancing software for law firms and legal teams](https://www.opex.com.au/audience/law-firms): Create and manage master contracts, issue buyer contracts at scale, oversee signing and exchange, and run every matter through to settlement with your firm in control. - [Project sales software for property developers](https://www.opex.com.au/audience/developers): Track sales, contracts, deposits, key dates and settlements across your whole portfolio in real time, without waiting on spreadsheets or status reports. - [Contract tracking software for real estate agents](https://www.opex.com.au/audience/agents): Send accurate sales advice straight to the legal team, follow every contract in real time and see where action is required, without chasing updates by email. - [Presale verification for financiers and lenders](https://www.opex.com.au/audience/financiers): Access live project data and the executed contracts behind every presale, with permissioned access, instead of relying on manually prepared spreadsheets. ## Platform - [Integrations and public API — PEXA and Insite Logic](https://www.opex.com.au/integrations): Built-in PEXA and Insite Logic integrations, plus a public API for connecting your practice management, document management and payment systems to OPEX. - [Security, evidence and Australian data hosting](https://www.opex.com.au/security): ISO 27001-certified controls, Australian data hosting, enterprise identity and built-in transaction evidence, protecting documents from preparation through to exchange. - [Product updates and release notes](https://www.opex.com.au/updates): What is new in OPEX for Real Estate and OPEX for Business: features, improvements and API changes, release by release, since 2023. ## Company - [About OPEX — the team behind the platform](https://www.opex.com.au/company): OPEX brings together lawyers, property specialists, product leaders and software engineers, backed by PX Ventures, the investment arm of PEXA. - [Success stories — Australian projects exchanged on OPEX](https://www.opex.com.au/success-stories): How leading Australian law firms, developers and agencies use OPEX to fast-track sales on some of the country’s largest off-the-plan projects. - [Book a demo](https://www.opex.com.au/demo): See OPEX on your own work. Tell us what you do and we will set up a walkthrough, whether that is off-the-plan projects or company-wide document signing. ## Optional - [Terms & Conditions](https://www.opex.com.au/terms) - [Privacy Policy](https://www.opex.com.au/privacy-policy)