The strategic technology partner for scalable organisational growth.
We help reduce complexity, protect users and align technology with long-term business goals.
We specialise in legacy software maintenance and replacement, helping organisations manage the risks and challenges associated with legacy systems and outdated technology.
Many organisations rely on legacy software to support core business processes, but over time, maintaining legacy systems can increase operational costs, introduce security vulnerabilities and create technical debt.
Application migration
and development
Modernise legacy applications with expert migration and custom development services.
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Data migration
services
Securely migrate business-critical data during system upgrades and platform transitions.
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IT strategy
consulting
Strategic guidance to help plan technology modernisation and long-term IT investment.
arrow_forward_iosSupporting your legacy software
Outdated systems that are no longer supported – for example those reliant on Java Web Start, Java applets, or older versions of Java SE – may no longer receive public updates, bug fixes or vendor support. When platforms fall short of modern security and performance expectations, the risks of data breaches and increased security risks rise significantly.
Our service supports organisations with both maintaining legacy systems and replacing legacy systems, depending on business needs. We assess the true costs of ongoing maintenance, including hidden costs, opportunity costs and support contracts that may no longer provide sufficient value – such as where systems no longer receive Oracle Premier Support or extended support under an LTS release.
We help Oracle customers understand their support options, including Oracle JDK licensing, feature release cycles, longer supported versions and long term support considerations. Whether your organisation relies on Java applications, Oracle technologies or other legacy software platforms, we provide clear guidance on risk, compliance and modernisation efforts.
Our approach
Comprehensive assessment of legacy systems and infrastructure
Evaluation of maintenance costs, operational costs and risk exposure
Security review to protect sensitive data and reduce data security threats
Roadmap development for upgrade, replacement or modernisation
Migration to modern systems using new technologies
Ongoing maintenance and extended support where appropriate
Modernise, maintain or replace legacy systems to improve performance, security and scalability.
Leave your technology infrastructure to the experts. Our managed services deliver comprehensive IT management, seamlessly handling everything from bulletproof network security and cloud solutions to reliable data backup and recovery.
By taking these critical technical demands off your plate, our skilled professionals keep your systems secure and optimised. You gain absolute peace of mind and responsive help desk support, allowing your team to stay focused on moving your business forward.
"We know the right expert is always at the other end of the phone if we need them. The benefit of outsourcing means we have the ability to call on the right expertise at the right time, we can always draw on the skillset that we need."
Administration and Finance Manager, St John
"The project was very well planned, exceptionally well executed and smoothly implemented. The team were wonderful, the project was delivered on time and on budget, and we received great support all the way through. I couldn’t fault it."
Executive Director, Saffery Trust
"They’ve become more than a service provider; they are a trusted partner. This partnership between Solent Mind and Zenzero allows us to adapt and evolve more quickly, leading to improved services and outcomes for our users."
FEE & Director, Solent Mind
Why Zenzero?
We help organisations understand the true costs of maintaining legacy software versus upgrading or replacing systems. From maintenance costs and support contracts to hidden costs and opportunity costs, we provide clarity so decisions are aligned with business goals.
Legacy systems often introduce increased security risks, particularly when no longer supported by vendors or lacking public updates. We prioritise data security, protect sensitive data and address security vulnerabilities before they impact operations.
We support Oracle customers navigating Oracle Premier Support, Oracle JDK licensing, Java SE releases, JavaFX support and LTS release cycles. Whether evaluating a future release or ensuring compatibility with new features, our team provides expert guidance.
Replacing legacy systems can unlock competitive advantage, improve customer experience and support innovation. We help organisations transition to modern systems that support new technologies, improved capabilities and long-term growth.
Whether you require continued support for existing software or a structured replacement strategy, we help you reduce complexity, protect users and align technology with long-term business goals.
Ready for
better outcomes?
Questions we
often get asked:
Legacy software maintenance and replacement involves supporting, upgrading or migrating outdated systems that are no longer fully supported, secure or aligned with business needs.
If systems are no longer supported, expose the business to increased security risks, incur high maintenance costs or limit development capabilities, it may be time to consider replacing legacy systems.
Some legacy systems may receive extended support or vendor support, such as Oracle Premier Support or long term support under an LTS release. However, support options vary depending on version and licensing.
We implement advanced cyber security measures such as firewalls, anti-virus software, endpoint protection, and employee security training to safeguard your business from cyber threats, ransomware, and data breaches.
Additionally, we conduct regular security audits and vulnerability assessments to identify and eliminate potential risks before they become a threat. Our team also monitors your network 24/7 to detect suspicious activity and respond to security incidents in real-time, ensuring continuous protection.
Risks include security vulnerabilities, lack of bug fixes, absence of public updates, compliance challenges and increased operational costs. Over time, technical debt and hidden costs can outweigh the perceived savings.
We conduct a detailed assessment of your systems, identify risks and develop a clear roadmap. This may involve upgrades, phased migration or full replacement with modern systems designed to support future growth.