
The real estate sector has undergone a rapid digital transformation in recent years, with PropTech becoming a core driver of efficiency, transparency, and smarter decision-making. From AI-driven forecasting to automated lease management, technology is reshaping how property managers, investors, and occupiers engage with their portfolios.
One recurring question for decision-makers is whether to adopt proprietary or open systems. Proprietary systems are common in real estate technology, but they come with both advantages and drawbacks that need careful consideration. Understanding what they are, how they work, and their implications can help organizations make more strategic choices about their tech stack.
Definition and Core Features
A proprietary system is a software or hardware platform owned and controlled by a single vendor. In the context of real estate, this might be a leasing or property management platform designed as a closed ecosystem. Such systems usually limit third-party integrations and require clients to rely heavily on the vendor for updates, maintenance, and future innovation.
These platforms are often characterized by closed architecture, vendor lock-in, and custom-built tools that may not interact easily with other applications. Updates, data management, and workflows remain centrally controlled by the provider, which can streamline operations but also restrict flexibility.
How Proprietary Systems Affect Real Estate Operations
The impact of proprietary systems on day-to-day property management can be significant. On one hand, using a single-vendor solution can simplify operations. For example, an integrated leasing platform might provide smooth workflows for tenant onboarding, rent collection, and reporting without the need to manage multiple tools.
However, the downsides quickly become clear when organizations want to adapt. A CRM that cannot integrate with external marketing tools can limit growth opportunities. Leasing platforms that make data exports difficult create challenges for reporting, forecasting, and collaboration across teams. This lack of interoperability often leads to data problems, with information trapped inside silos.
The dependence on one vendor also means that support, upgrades, and innovation are entirely vendor-led. If the provider is slow to adapt, clients may be left behind.
Proprietary vs Open Systems in PropTech
Open Architecture Defined
An open system in PropTech is designed for interoperability. Open platforms typically offer APIs and modularity, allowing real estate companies to connect different tools into a unified ecosystem. Rather than relying on one vendor for every function, organizations can build a customized stack that fits their specific needs.
Benefits of Open Integrations
Open systems allow flexibility in choosing best-in-class tools, whether that’s a specialist facilities software provider or a powerful CRM. They also make it easier to share and analyze data across departments, support faster innovation cycles, and reduce the risk of vendor lock-in.
Comparison table
Proprietary systems centralize support and upgrades with a single vendor, but at the cost of flexibility and scalability. Open systems, by contrast, make it possible to scale more easily and adapt as business needs evolve. While open integrations may require more upfront planning, they often lead to lower long-term costs and better alignment with strategic goals.
Key Considerations for Real Estate Decision-Makers
Before committing to a proprietary platform, decision-makers should consider integration requirements, long-term flexibility, and the potential cost of being tied to a single vendor.
It is also important to evaluate total cost of ownership, not just the upfront subscription or licensing fees. A proprietary system that seems efficient in the short term may become expensive if switching costs and scalability limits are factored in. Real estate teams should also assess how well a system supports broader goals such as future-proofing portfolios, enabling advanced analytics, or embedding sustainability into their facilities maintenance strategy.
Ultimately, the best choice balances control with innovation. For some organizations, a proprietary system may provide the simplicity and support they need. For others, open architecture will deliver the flexibility to scale and innovate in line with market changes.
The key is to align technology strategy with business goals. Whether implementing an integrated proprietary platform or building a modular open stack, success depends on how well the system supports operational efficiency, data sharing, and long-term growth.
Voice of the Facility Manager Report 2025
Find out about the biggest challenges in FM, the latest tech trends and the future landscape for FM professionals
