Software Testing Checklist: What Belongs on It, Phase by Phase
This software testing checklist groups every item by the phase of the test process it belongs to, marks the items teams routinely skip, and shows how to wire the lis…
Legacy Software Modernization Services
This URL covers the same work as legacy system modernization and migration. Assessment, re-platforming and data migration with regression testing so you can see old and new behave the same before you switch. US product teams get this work in US hours, 9am to 1pm Eastern, with delivery from India. Parallel run, data reconciliation, regression comparison and a rehearsed rollback sit on that page. Book a call, or start with a free scoping session.
150+ clients
450+ projects
275+ engineers
15+ years
ISO/IEC 17025:2017Accredited testing laboratory
CMMI Maturity Level 3The process is written down and repeats
ISO 9001:2015Quality management
ISO/IEC 27001Information security
Modernize Without Breaking What Still Runs
This URL covers the same work as legacy system modernization and migration. Assessment of what the current system does and what it costs to keep, then rehost, re-platform, refactor or rebuild, with data migration and regression so you can see old and new behave the same before you switch. US product teams get this work in US hours, 9am to 1pm Eastern, with delivery from India, from an ISO/IEC 17025 accredited lab with CMMI Level 3 process. Parallel run, reconciliation and a rehearsed rollback sit on that page. Book a call, or start with a free scoping session.
Assessment Before Anyone Moves
What the current system does, what it costs to keep, and what breaks if it stays. Rehosting fixes the hardware problem and none of the software problems. The assessment is its own line. You can stop after the recommendation. The longer write-up sits on the hub.
Parallel Run and Rollback
Both systems process the same inputs and the outputs are compared. Data is reconciled on counts and balances. A rehearsed rollback has been timed, and abort is a decision, not a panic. We do not sell zero downtime. Cutover is proved, then named in the quote.
Rehost, Re-Platform, Refactor, Rebuild
Four approaches, each with what it costs, what it fixes and what it leaves behind. AWS and Azure are the platforms Vervali builds and operates on. A named SAP or Oracle programme is only in when it is named in the quote. A full ERP suite sits on ERP and CRM development.
Need the live estate modernized without a panic cutover? Book a call, or start with a free scoping session.
Book a CallWhat This Page Covers, and What Sits Next Door
This URL is the same topic as legacy system modernization and migration: assessment, re-platforming, data migration and a rehearsed rollback. A cloud move without the software rewrite sits on cloud migration and modernisation. A custom rebuild sits on custom software development. Stay here for a short map. Go to the full pack if you already know the estate.
Stay on This Page
You landed here and need a short confirmation that Vervali modernizes systems that still run the business, proves the cutover, and quotes after a scoping call. A free scoping session is the first look. Book a call if the live estate is already written down.
Go to Legacy System Modernization and Migration
You need the full pack: parallel run, data reconciliation, regression comparison and a rehearsed rollback. Legacy system modernization and migration is that page. We do not sell both as two invoices for the same week unless you asked for both.
Proof From Delivery, Not a Duplicate Logo Wall
Three delivery engagements, sector and country. They show Vervali has built and tested systems at that scale. They are not a claim those were modernization-only jobs. The longer write-up sits on legacy system modernization and migration.
India · two private-sector banks
60% faster loan processing and 50% less agent onboarding time, with the compliance the engagement required. Platforms like that do not ship from a laptop. Parallel run and a rehearsed rollback are how a bank is allowed to change.
60% faster loan processing50% less agent onboarding timeIndia · Chennai diagnostics chain · back end
The back end was rebuilt so it could carry 50% more traffic without the queue that had been the constraint. A modernization that ignores that estate is a slide. The review looks at the system you already run.
50% more trafficIndia · manufacturer · sales-operations platform
40% less manual stock reconciliation when the old record and the new process finally agree. That is what changes when migration includes reconciliation, not only a cutover date.
40% less manual stock reconciliationFrequently Asked Questions
Moving a system that still runs the business onto a stack you can keep, without breaking what already works. Assessment of what the current system does and what it costs to keep, then rehost, re-platform, refactor or rebuild. This URL covers the same work as legacy system modernization and migration. Parallel run, data reconciliation, regression comparison and a rehearsed rollback sit on that page. Book a call, or start with a free scoping session.
It can, which is why this work is proved before cutover, not sold as zero downtime. Both systems process the same inputs and the outputs are compared. Data is reconciled on counts and balances. Regression comparison shows old and new behave the same. A rehearsed rollback has been timed, and abort is a decision, not a panic. The full pack sits on legacy system modernization and migration. Book a call once we can see the live estate.
Yes, when the ERP is the estate that still runs the business. Assessment, re-platforming or rebuild, and data migration with reconciliation sit on this topic. A named SAP or Oracle programme is only in when it is named in the quote. A full ERP suite sits on ERP and CRM development. This URL maps to legacy system modernization and migration. Book a call, or start with a free scoping session, once we can see the live system.
We look at what the current system does, what it costs to keep, and what breaks if it stays. That includes vendor lock-in, unsupported runtimes, and records that were never valid. Rehosting fixes the hardware problem and none of the software problems. The assessment is its own line. You can stop after the recommendation. The method sits on legacy system modernization and migration. Book a call once we can see the estate.
It follows the size of the estate, how much history moves, and whether a parallel run is in. We do not publish a 4 to 16 week band on this page. Time starts when discovery can see the live system and the people who still run it. The quote after a scoping call names the weeks. The full pack sits on legacy system modernization and migration. Book a call once that estate is written down.
Yes, when the mainframe is the estate that still runs the business, and the target is named in the quote. AWS and Azure are the platforms Vervali builds and operates on. We do not sell a cloud licence, and we do not add a third cloud as a default operate claim. Parallel run, reconciliation and a rehearsed rollback sit on legacy system modernization and migration. Book a call once we can see the live system.
You can keep changing the system that still runs the business, instead of paying to freeze it. Unsupported runtimes, vendor lock-in and records that nobody can reconcile get a named plan. Access control, audit logging and retention have to be re-established after the move, because a migration resets the evidence. The full pack sits on legacy system modernization and migration. Book a call, or start with a free scoping session.
Clutch lists Vervali at $25 to $49 per hour. What moves the number is estate size, how much history moves, how many integrations, and whether a parallel run is in. We quote after a scoping call, not as a published project total. We will not invent a typical-engagements-start-at band we cannot evidence. The models sit on legacy system modernization and migration. Book a call once the live estate is written down.
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