HR System Migration Services for UK Businesses
Move your HR and people data to a new system without the downtime,
errors or lost history that derail so many migrations.
Unveiling Safer HR System Migration Across the UK
pHRism has migrated HR and payroll data for UK businesses for over 10 years, from our headquarters in London and our office in Camberley.
Auditing And Cleansing Your Data Before It Moves
Migrating bad data into a new system just gives you the same problems in a different place. Before any migration begins, pHRism audits your existing HR and payroll records to find duplicates, gaps and inconsistencies, and resolves them at the source.
Use Cases
- Full data audit across HR, payroll and benefits records
- Duplicate, incomplete and outdated records identified
- Data fields mapped between old and new systems
30-minute call | No obligation | Clear next steps
Planning A Migration That Does Not Disrupt Payroll
The biggest migration risk is not the data, it is the timing. pHRism sequences every migration around payroll cycles and reporting deadlines, with a rollback plan in place before cutover ever begins.
Use Cases
- Migration sequenced around payroll and reporting deadlines
- Rollback plan agreed before cutover
- Communication plan for HR teams and employees
30-minute call | No obligation | Clear next steps
Validating Data And Supporting You After Cutover
A migration is not finished at go-live. pHRism runs a parallel validation, checking every migrated record against the source system before final cutover, then stays close through the first weeks to catch anything that slips through.
Use Cases
- Parallel run comparing migrated data against source records
- Discrepancies resolved before final cutover
- Dedicated support through the first weeks live
30-minute call | No obligation | Clear next steps
Unlock the Full Potential of Your Current HR Solutions
Learn how our strategic partnership empowered SD Worx to unlock greater value from their existing HR systems by enhancing efficiency, reducing costs, and overcoming key challenges.
View Case Study
Achieve Efficiency with Automated Multi-System User Management for New Joiners
Find out how we streamlined onboarding by automating user creation and role-based permissions across Active Directory and enterprise systems.
View Case Study
Boosting Efficiency and Transparency with a Custom Salary Management Solution
Find out how we transformed our client's salary change management process through the development of a customised solution that enabled seamless integration.
View Case Study
Fully Integrated HR-Payroll Workflow that Exceeded Business KPIs
Learn how our custom Salesforce to Nmbrs payroll integration increased the HR and payroll team's efficiency by 45% and eliminated manual errors.
View Case Study
On-Time ADP GlobalView Payroll Go-Live for National Gas
See how we helped National Gas go live on ADP GlobalView on schedule with 100% payroll accuracy after its separation from National Grid.
View Case StudyOur Process
A structured, validated migration process that protects your HR data from first audit to post-cutover support.
Understanding What Is Moving, And Its Condition
We audit your current HR and payroll data to identify quality issues, duplicates and gaps, and map every field to its destination in the new system before any migration work begins.- Full data audit across all relevant systems
- Data quality issues identified and resolved
- Field-level mapping between old and new systems
30-minute call | No obligation | Clear next steps
Building A Plan That Protects Payroll
We sequence the migration to avoid disrupting live payroll runs and reporting deadlines, with a documented rollback plan in place before cutover is scheduled.- Migration sequenced around payroll and reporting
- Rollback plan documented and agreed
- Stakeholders briefed on timeline and impact
30-minute call | Clear next steps
Proving It Works Before It Counts
Before any live cutover, we run a trial migration in parallel with your existing system and validate every migrated record against the source data, so issues surface while there is still time to fix them safely.- Parallel trial migration, not a live cutover
- Every record validated against source data
- Discrepancies resolved before go-live is scheduled
Structured delivery | Dedicated project lead
The Switch, Made Deliberately
With the trial validated, we execute the live cutover on the agreed date. The rollback plan from step two stays ready throughout, so go-live carries as little risk as a well-rehearsed migration can.- Live cutover executed on the agreed date
- Rollback plan ready and unused, by design
- HR and payroll teams supported through the switch
30-minute call | Clear next steps
Support When You Need It Most
The weeks immediately after cutover are when issues are most likely to surface. pHRism stays closely involved to resolve anything that slips through, so your HR and payroll teams are never left unsupported.- Dedicated support through the first weeks live
- Fast resolution of any post-migration issues
- Handover to ongoing support once stable
Available as an ongoing service
Client Reviews & Testimonials
We have worked with 200+ clients in the past 10+ years of our existence. You can have a look at some of our client reviews
pHRism have supported us for over 10 years and always provided an exceptional service. Muneer & team are incredibly hard working, highly skilled and knowledgeable. Can't recommend them highly enough.
Matthew Green
Head of IT, CVC
Lead the project through each of the various deployment stages with clarity, collaboration and great pace.
Louise Moore
Head Of Technology & Operations
Phenomenal customer service! Bespoke reporting requests were always very well-done.
Jonathan Hubble
Head of Human Resources, CVC
pHRism have always delivered with a high level of professionalism coupled with outstanding technical ability.
Gavin Thomas
IT Manager, Apax Partners
pHRism have supported us for over 10 years and always provided an exceptional service. Muneer & team are incredibly hard working, highly skilled and knowledgeable. Can't recommend them highly enough.
Matthew Green
Head of IT, CVC
Lead the project through each of the various deployment stages with clarity, collaboration and great pace.
Louise Moore
Head Of Technology & Operations
Phenomenal customer service! Bespoke reporting requests were always very well-done.
Jonathan Hubble
Head of Human Resources, CVC
PHRism have always delivered with a high level of professionalism coupled with outstanding technical ability.
Gavin Thomas
IT Manager, Apax Partners
Frequently Asked Questions
About HR system migration with pHRism
Planning an HR system migration?
Get a free consultation with pHRism's migration specialists. We will help you get clarity on data readiness, timeline and next steps.
This is what will happen, after you submit the form
Fill the form below or book a call with us directly via calendar.
- We can sign NDA for confidentiality
- Discuss your project details
- Our consultants contact you within 24 hours
- Submit a comprehensive project proposal with estimates, timelines, team composition, etc
