To build or buy an assessment platform?
That is the question! When assessment creators outgrow manual delivery, they often consider commissioning their own software to deliver the assessment their way. See how this approach compares with using a purpose-built assessment platform like Brilliant Assessments.
What building your own assessment platform really involves
Building custom software can give you greater control over the finished platform and its roadmap. But it also means taking responsibility for everything required to keep that platform useful, dependable, and secure. Are you ready for that responsibility? Or would you rather focus on building a brilliant assessment?
See a detailed breakdown Hide the detailed breakdown
| Build stage | What is involved | Typical impact |
|---|---|---|
| 01 Map the requirements | Define every question type, scoring rule, feedback condition, report format, user journey, permission, and administrative process. | A dedicated discovery and requirements phase can take several weeks and, for complex projects, up to around three months. |
| 02 Design and develop the platform | Commission developers to turn the requirements into working software, including the assessment interface, database, scoring, reporting, and administrative tools. | Custom software projects can cost tens of thousands of dollars, with larger and more complex platforms reaching six figures. Clutch’s 2026 verified-review data reports an average project cost of approximately $132,480 and a usual project duration of about 13 months. |
| 03 Test and fix the software | Test different respondent journeys, scoring outcomes, reports, permissions, devices, and edge cases. Identify bugs and return them to the development team. | Testing, corrections, and deployment add further time and cost. Hourly development rates vary considerably by location, experience, and technical specialization. |
| 04 Make it operational and transferable | Add roles, permissions, audit history, administrative controls, monitoring, and technical documentation. Ensure more than one person can understand and maintain the platform. | Requirements increase as more colleagues, clients, and respondents depend on the system. Without documentation and shared ownership, it may become dependent on the original developer or one internal technical lead. |
| 05 Host and maintain it | Pay for hosting, backups, monitoring, technical support, dependency updates, bug fixes, and performance improvements. | Annual software support and maintenance is commonly budgeted at approximately 15–20% of the original development cost. |
| 06 Keep improving it | Respond to customer requests, browser and integration changes, accessibility requirements, security updates, and new expectations around reporting and automation. | Development becomes an ongoing operational responsibility rather than a one-time project. |
| 07 Meet enterprise security requirements | Establish security controls, document processes, collect evidence, undertake independent audits, and repeat the process regularly. | A SOC 2 Type II audit alone can cost tens of thousands of dollars. Readiness work, remediation, security tools, testing, and internal staff time can make the total first-year investment substantially higher. Organizations typically complete a new audit annually to maintain a current report. |
Build the part that
only you can build
Your assessment should be custom. But the infrastructure doesn’t have to be.
Your methodology, questions, scoring model, and approach to feedback are what make your assessment valuable. And while the infrastructure behind it is important, it shouldn’t detract or distract from what you want to achieve. Brilliant Assessments gives you an established, trusted, and flexible operational foundation for your assessment.
The purpose-built software advantage
With Brilliant Assessments, you keep control of your methodology while the ongoing software work stays with us. Here is what that gives you.
Start with the assessment, not a software brief
Use the 14-day free trial to begin creating your questions, scoring, feedback, and reports right away. You can put your time into the assessment itself instead of spending months specifying and developing the platform beneath it.
Know what the platform will cost
Once you choose a subscription, you can plan around a clear cost for the agreed term. Routine support, maintenance, bug fixes, and product updates do not arrive as separate development invoices.
Leave the platform operation to us
Hosting, monitoring, product development, updates, and bug fixes remain our responsibility. Your subscription covers the ongoing work required to maintain and improve the platform.
Keep improving without commissioning every change
Brilliant Assessments continues to evolve as assessment technology, AI, and customer needs change. The product team works directly with assessment creators, so development is shaped by the practical challenges involved in building, delivering, and scaling assessments.
Get help without another invoice
When you need help, you can speak to a team that understands assessment design and delivery. Support with platform issues, changing requirements, and technical or security questions is included.
Reduce risk with enterprise-grade security
Brilliant Assessments has independently audited SOC 2 Type II controls and completes a new audit annually. That gives you established security documentation to share during procurement and client reviews.
Hear from customers who have been there
If you are currently running your assessment on a custom-built system, or weighing up whether it’s worth doing, you’re not the only one! Hear from some Brilliant Assessments customers who have been there, done that, and made the move to us.
Over the years, we realized that we're not a tech company, and there's so much that goes into managing an assessment platform — and we would need a fulltime developer just to do that. As we explored our options we came across Brilliant Assessments and it is the perfect fit for what we do.Watch the interview
We chose Brilliant Assessments as an alternative platform for our 360 feedback assessment, which had originally been custom-designed for our organisation. From the beginning, the Brilliant Assessments team listened carefully to our requirements and worked with us to provide the most effective solution available at the time.