Integration Testing Services

What Is Integration Testing?

As businesses adopt complex digital systems, seamless interaction between applications, APIs, third-party platforms and internal systems is essential. Integration testing ensures these systems work together efficiently, avoiding failures and inconsistencies, while guaranteeing smooth, accurate and reliable data flow across your software and systems.

Unlike unit testing (which focuses on individual components) integration testing validates how different software modules, services and third-party systems interact with one another. By catching interface defects early, integration testing reduces production risks, improves system reliability and delivers a consistent user experience.

Why Integration Testing Matters

Fragmented data and siloed systems lead to missed opportunities and poor customer journeys. Whether you're integrating a new CRM, connecting an eCommerce platform, or deploying a microservices architecture, integration testing ensures your technology stack functions as a unified solution.

Our ISTQB-certified testers simulate real-world user scenarios to verify:

  • System Interaction Validation - We verify seamless communication between software modules, services, and third-party platforms.

  • Data Integrity Assurance - Our tests ensure accurate data transfer and synchronisation across systems.

  • End-to-End Workflow Testing - We simulate real-world scenarios to validate complete system workflows.

  • Compatibility Testing - We confirm interoperability with platforms like Salesforce, Stripe, SAP, and more.

  • API & Middleware Testing - We test APIs, web services, and message queues for reliability and performance.

Circular logo with warning triangle, progression gauge and a teal-to-orange gradient border symbolising requirements testing.

Continuous Testing

Our continuous integration service automatically runs integration tests on any new releases of code to immediately detect errors.

Circular logo with a clipboard, a lifeline, text and a teal-to-orange gradient border symbolising business analyst services,

Manual & Automated

Our software testing team are qualified in both manual and automated testing, giving you freedom over your tailored service.

Circular logo with a warning sign, cloud and a teal-to-orange gradient border symbolising cyber security response recovery.

Reduced Risk

Reduce the likelihood of integrated-related user issues after your software has been deployed to your users.

Circular logo with a pound sign, clock, cog in a circle and a teal-to-orange gradient border symbolising reducing IT spend.

Save Money

Finding bugs earlier can make them much cheaper to fix, lowering the overall cost of your development lifecycles.

Circular logo with counter, an arrow pointing up and a teal-to-orange gradient border symbolising accelerating release cycles

Save Time

Integrated testing streamlines the entire process of testing individual components. Outsourcing frees up valuable time for your internal teams.

Circular logo with a person leading another upwards and a teal-to-orange border symbolising digital transformation leadership

Simulate User Actions

Our testing approaches allow us to simulate real user actions and determine if your software interacts with other systems as it should.

< × modal picture >

Key Benefits of Our Integration Testing Services

Seamless System Communication

Ensure modules, services, and APIs work in harmony

Reduced Defects in Production

Identify and fix issues early, before deployment

Improved Data Accuracy

Eliminate data mismatches and syncing errors

Enhanced User Experience

Deliver consistent, error-free functionality

Faster Time to Market

Streamline deployment with fewer integration hiccups

Fragmented data leads to missed opportunities

Whether you're integrating a new CRM, connecting an eCommerce platform, or deploying a microservices architecture, integration testing ensures your technology stack functions as a unified solution.

View our Case Studies Here

Improve system reliability and deliver a consistent user experience.

Call to action click with a finger pressing a button