Performance Testing

Ensuring optimal performance: Comprehensive testing services for reliable software

Unstable performance isn’t just a technical issue – it’s a business risk. Without proper testing, slow response times, crashes under load, and unpredictable behaviour can derail user experience, damage reputation, and drive up costs. Assurity’s performance testing services help you find issues before they reach production, validate system behaviour under real-world demand, and provide the data you need to optimise infrastructure and scale with confidence

Key benefits

Prevent crashes and outages

Performance testing exposes system limits before users do – reducing downtime, reputational damage, and emergency fixes.

Ensure fast, consistent user experience

Slow applications lose users. Testing validates response times under load to guarantee reliable performance at scale.

Optimise infrastructure & reduce costs

Get the data you need to right-size environments – avoiding overprovisioning while ensuring performance holds under pressure.

Our performance testing services

Performance Flex 

Utilise Assurity’s on-demand performance testing through the Assurity Cloud Platform. This cost-effective, flexible service eliminates the need for additional hardware or licenses, offering externalised testing, load generation, and monitoring on a pay-per-use model.
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Comprehensive performance tests

Validate your system’s non-functional specifications with a range of tests, including load testing, stress testing, endurance testing, breakpoint testing, spike testing, scalability testing, failover testing, and configuration testing. Ensure your system’s responsiveness, availability, and scalability under various conditions.

Workload modeling 

Design accurate workload models that represent real-world production usage. Combine theoretical load models with existing usage statistics to create realistic test scenarios. Performance engineers develop synthetic workloads based on thorough analysis and understanding of internet protocols.

Result analysis and bottleneck identification

Conduct comprehensive analysis post-testing using specialised tools for data analytics. Identify performance bottlenecks and provide actionable recommendations for system improvement, ensuring optimal performance.

Continuous performance monitoring

Implement continuous monitoring of customer experience from an end-user perspective. Use real-time data to identify performance issues, leveraging automation assets developed for testing. Assurity also supports the implementation and configuration of leading performance monitoring tools.

Independent performance test assessments

Conduct independent assessments of your current performance test processes, technologies, and deliverables. Assurity’s highly-qualified practitioners provide an objective, third-party perspective to identify areas for improvement, optimise tool usage, and enhance the overall effectiveness of your performance testing strategy.

Engagement models

Flexible engagement models to match your pace, priorities, and project needs.

On-demand performance testing

Access PerformanceFlex for flexible, pay-per-use performance monitoring, ensuring real-time validation without hardware or licence costs.

Project-based performance validation

Integrate performance testing into project lifecycles, ensuring software stability, scalability and seamless post-go-live performance monitoring.

Managed performance monitoring

Leverage PerformanceFlex for continuous production monitoring, ensuring software reliability, proactive issue detection and business continuity.

Case studies

New Zealand Qualifications Authority (NZQA)

How NZQA confidently passes exams every year with QA & Testing.

  • Accelerated the process of evaluating complex intertwined systems.
  • Developed innovative approaches to comprehensive testing.
  • Provided real-time, immediate insights on how results and other essential metrics are tracking on public screens.
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Inland Revenue

Ensuring positive user experiences for all IR customers with QA & Testing.

  • Delivered a performance testing strategy that enables fast identification and resolution of issues.
  • Created a suite of proven performance testing assets IR can use to accelerate delivery, reduce risk, and drive down the cost of assurance.
  • myIR website updated to handle over 500k logins (3x more than before).
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Talent Management Leader

Web traffic spikes: How Assurity Cloud enables a client to pass the test.

  • Platform upgraded to handle 900 concurrent logins.
  • Enduring test assets created in the Assurity Cloud eliminates the client’s need to maintain a costly internal test environment.
  • Performance testing is available whenever required, alleviating development teams of the burden.
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Why partner with Assurity?

Proven expertise at scale

We’ve supported high-volume systems like Inland Revenue’s myIR and NZQA’s results site, ensuring stability under real-world load conditions.

Flexible, cost-effective delivery

PerformanceFlex removes the need for extra hardware or licences, offering scalable testing that aligns with project demand.

Tool-agnostic & independent

We use a range of leading tools – JMeter, LoadRunner, Dynatrace – and give vendor-neutral advice based on your environment.

Insight you can act on

Beyond test metrics, we deliver clear, prioritised recommendations to resolve issues and improve performance outcomes.

Embedded, collaborative approach

Our consultants work alongside your teams to align performance goals with delivery outcomes and build internal capability.

What clients say

“With metrics, we now know how the system will respond and where its breaking point sits. It’s the power to know.”

Leading Talent Management Software Provider

“There are multiple touchpoints to IR systems that customers encounter. From individual taxpayers, business partners, and tax agents, there can be hundreds of thousands of account interactions with our systems daily, especially at key calendar dates.”

Chris Hourigan

Business Transformation Test Lead, Inland Revenue

“The website has consistently performed at or above expectations and has successfully dealt with the usage peaks on results publication day, resulting in positive feedback from the public.”

Sinziana Ciubotaru

Senior Project Manager, Information Services, NZQA.

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