Understand the system before deciding to rebuild it
A difficult system does not automatically need a rewrite.
The real problem may be architecture, deployment, database design, weak observability, security gaps, dependency risk, accumulated technical debt, undocumented decisions, or a delivery process that makes every change dangerous.
The Quancats Technical System Assessment creates an evidence-based view of the current platform before major modernization investment.
Engagement at a glance
- Best for
- Existing systems facing stability, maintenance, or rebuild decisions
- Typical duration
- Typically 2–4 weeks
- Main deliverable
- Current-state assessment and prioritized remediation options
- Commitment
- Standalone assessment; follow-up work is scoped separately
Starting from 7,500 SAR
Starting prices are indicative entry points, not fixed quotations. SAR is the reference currency; other currencies are shown approximately for convenience. Why we publish starting prices
Who This Assessment Is For
5The assessment fits organizations that depend on a system they no longer fully control:
- Companies whose product or internal system was inherited from another vendor.
- Leadership teams weighing a rewrite against targeted modernization.
- Teams that need an independent second opinion before approving a large budget.
- Businesses preparing to move a platform to a new team or operating model.
- Organizations facing security, compliance, or audit pressure on an existing system.
When an Assessment Is Useful
10- Releases are slow or risky.
- Bugs return after fixes.
- Performance has become unpredictable.
- The current vendor or original developer is difficult to replace.
- The team is afraid to change core parts of the system.
- Infrastructure costs are unclear or growing.
- Security controls are incomplete.
- There is little documentation.
- Leadership is considering a rewrite but lacks technical evidence.
- A new vendor needs to take over an inherited platform.
Codebase and Architecture
8Review areas depend on access and scope, and typically start here:
- Application structure.
- Coupling and modularity.
- Framework/runtime condition.
- Dependency health.
- Test coverage and testability.
- Error handling.
- Maintainability risks.
- Scalability constraints in the current design.
Data and Database
4- Data model quality.
- Query/performance risks.
- Migration complexity.
- Data integrity and historical constraints.
Infrastructure and Delivery
7- Hosting architecture.
- Deployment process.
- CI/CD.
- Environment separation.
- Backups and recovery.
- Monitoring, logging, and observability.
- Secrets/configuration handling.
Security
6- Identity and access.
- Authentication/session design.
- Dependency vulnerabilities.
- Exposure and configuration risks.
- Logging/auditability.
- Delivery security controls.
Operational Risk
5- Vendor dependency.
- Knowledge concentration.
- Release bottlenecks.
- Business-critical single points of failure.
- Accumulated technical debt and its cost of delay.
Deliverables
10Typical outputs:
- Executive technical summary.
- Technical findings with evidence.
- Risk classification by severity and business impact.
- Immediate stabilization actions.
- Technical debt and risk map.
- Security and infrastructure observations.
- Prioritized remediation plan.
- Modernize, rebuild, or maintain recommendation.
- Implementation roadmap with phases and investment direction.
- Optional scope for a remediation engagement.
Typical Duration
Most assessments run two to four weeks. Repository size, number of applications or services, technology diversity, and how quickly infrastructure access is granted are the main variables.
What We Need From Your Side
5The assessment is evidence-based, so access determines depth:
- Read access to the repositories in scope.
- A walkthrough with someone who knows the system’s history.
- Visibility into hosting, environments, and deployment process.
- Any existing documentation, incident history, or monitoring data.
- Clarity on the decision the assessment must support.
Starting Investment
The final assessment price depends on repository size, number of services/applications, technology diversity, infrastructure access, documentation quality, and required depth.
What Happens After the Assessment
5The recommendation is the point — not the report:
- Run the immediate stabilization actions with your existing team.
- Start a phased modernization program instead of a full rewrite.
- Proceed to a rebuild with a scope justified by evidence.
- Move the platform into Managed Technical Ownership for continuous control.
- Use the findings to renegotiate or replace a vendor relationship.
Independence of the Findings
The assessment is delivered as a standalone engagement. The findings are yours, including when the honest recommendation is to keep and stabilize the current system rather than rebuild it.
When This Engagement Is Not a Fit
5This engagement may not be the best fit if:
- There is no existing system to assess — the next step is Discovery or a new build.
- Repository, infrastructure, or walkthrough access cannot be provided, so findings would lack evidence.
- The decision is already locked to a full rewrite regardless of technical evidence.
- You need ongoing ownership or remediation delivery rather than an independent assessment (those are separate engagements).
- The request is limited to a checklist scan or automated report without architecture and operational review.
Relevant Work
Selected case studies that match this commercial context.
Frequently asked questions
Will the outcome always be a recommendation to rebuild?
No. A difficult system does not automatically need a rewrite. Many assessments end with targeted architecture, infrastructure, or delivery fixes because that is what the evidence supports.
How much access do you need?
Read access to the repositories in scope, visibility into hosting and deployment, and a walkthrough with someone who knows the system. Depth of findings is limited by depth of access.
How long does it take?
Typically two to four weeks, driven by repository size, number of applications or services, technology diversity, and how quickly access is arranged.
Can you assess a system built by another vendor?
Yes. Inherited and vendor-built platforms are a common reason for this engagement, including when the goal is to take the platform over safely.
Do we have to hire Quancats for the remediation work?
No. The assessment is priced and delivered independently. Remediation, modernization, or ongoing ownership are separate decisions you make after seeing the findings.
Do not approve a rewrite based on frustration alone
Share the current system, known problems, and the decision you are trying to make. We will determine the assessment scope required to reach a practical recommendation.