Migrate your Mosaic HCM data
UKG Ready-powered HCM platform with a managed-service overlay for mid-size to large US employers. Mosaic HCM delivers the full workforce stack but migration requires coordination with their professional services team since there is no self-service API export.
In its favor
Why people choose Mosaic HCM
The signal that keeps Mosaic HCM on the shortlist. Sourced from G2, Capterra, and customer scoping calls.
Single-employee-record architecture on UKG Ready underneath — HR, timekeeping, scheduling, payroll, talent and benefits all share one record, so cross-module integration gaps that plague stitched-together HRMS stacks do not exist.
Mosaic's managed-service layer adds dedicated HR/payroll professionals on top of the UKG technology, valued by customers that want enterprise-class HCM without staffing a large internal HRIS team.
Premier UKG Ready partner status with documented 60-80% closure rate and 40% partner-network growth signals an established practice and ongoing UKG investment in the partnership.
Multi-EIN single-instance support consolidates parent/subsidiary employers onto one platform, removing the duplicate-system overhead that mid-market multi-entity employers usually carry.
SSAE 16 SOC 1 Type II and SOC 2 Type II certified infrastructure satisfies the audit and compliance requirements of regulated mid-market and large employers.
No self-service API or direct customer access — every data export requires a Mosaic professional-services ticket, which creates 4-6 week lead times that frustrate data-engineering teams.
Pricing is fully custom and bundled with Mosaic's managed services — comparison shopping against alternatives like Rippling, Paylocity or ADP Workforce Now is hard without engaging sales.
UKG Ready's product cadence is slower than newer cloud HCMs; customers report waiting for feature gaps to close, particularly in scheduling and modern UI/UX.
Complex union or rules-based scheduling environments hit UKG Ready scheduler limitations; healthcare and unionised workforces frequently outgrow the platform.
Mosaic-specific configurations (custom fields, workflow logic) are not portable to other UKG resellers or platforms, creating switching cost when customers consider leaving.
Reasons to switch
Why people leave Mosaic HCM
The recurring reasons buyers give for replacing Mosaic HCM. Presented as facts, not knocks.
Platform scorecard
Strengths, weaknesses, and where Mosaic HCM fits
Grades across six dimensions, plus a SWOT-style view of where the platform shines and where it falls short.
SWOT — strengths, weaknesses, and use-case fit
Strengths
Weaknesses
Where it works
Where it struggles
Pricing tiers
Mosaic HCM pricing overview
Mosaic HCM does not publish pricing on its website. As a Premier partner of UKG, the platform is priced as a bundled workforce management suite with custom per-employee-per-month (PEPM) rates negotiated through Mosaic HCM's sales team. Pricing is typically all-inclusive of the UKG Ready modules licensed plus Mosaic HCM's managed services and support layer, with multi-year agreements common for mid-size and large employers.
Mosaic HCM bundled UKG Ready + Managed Service (sales-led)
Tier 1 of 1
Custom PEPM (per-employee-per-month) — typically multi-year
What's included
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What gets migrated
Mosaic HCM object support
Object-by-object support for Mosaic HCM migrations. Per-pair details surface during scoping.
Employees
Fully supportedEmployees are the core record type. Standard properties (name, DOB, hire date, termination date, job title, department, location) map cleanly to any destination HRMS. Custom employee properties require field-level mapping. We request the employee export via Mosaic HCM's managed services and normalize the schema before load.
Organizations / EINs
Mapping requiredMosaic HCM supports multi-EIN configurations where all legal entities reside on a single database instance. Each EIN maps to a separate company/employer entity in the destination. We identify which employees belong to which EIN during the scoping phase so legal entity assignment is preserved post-migration.
Positions
Mapping requiredPositions define headcount budget and FTE allocation alongside the employee occupying them. UKG Ready stores position data separately from employee records. We map positions to job titles or custom position objects in the destination, preserving headcount budget and FTE where the target system supports it.
Compensation History
Mapping requiredEffective-dated pay changes and compensation records are stored per employee in UKG Ready. We extract the full compensation history including salary, hourly rate, bonus, and equity entries. Mapping to the destination's compensation record format requires effective-date sequencing and value normalization.
Benefits Enrollments
Mapping requiredBenefits plan assignments, coverage tiers, and dependent information span the employee's tenure. Historical enrollments at period boundaries are needed for compliance audits. We map medical, dental, vision, and 401(k) plan assignments to the destination benefits module, preserving plan names and coverage start/end dates.
Payroll / Pay Runs
Mapping requiredPay runs (earnings, deductions, taxes, direct deposit allocations) are stored per pay period. We extract YTD earnings, tax withholdings, and garnishments. Note that payroll data is sensitive and may require elevated access permissions from Mosaic HCM's team to export.
Time Entries and Accruals
Fully supportedTime entries and PTO/leave accrual balances migrate cleanly. We extract raw time entries by pay period and accrual ledger balances as of the migration date. PTO carryover and negative balance flags are preserved in the destination's accrual module.
Configurable Workflows
Mapping requiredMosaic HCM's configurable workflow engine automates HR processes such as onboarding steps, approval chains, and task routing. Workflows are platform-specific and do not export as data. We document the workflow topology during scoping and reproduce equivalent automation logic in the destination HRMS.
Documents and Files
Mapping requiredEmployee documents (offer letters, performance reviews, I-9s, signed forms) are stored in Mosaic HCM's document repository. We extract documents as files and associate them with the correct employee record in the destination, preserving original filenames and document type tags.
Applicant / Candidate Records
Mapping requiredWhen Mosaic HCM's ATS module is in use, candidate records and application data migrate to the destination's recruiting module. We map application status, source, and associated job postings. Inactive candidates and archived requisitions are included unless explicitly excluded during scoping.
| Object | Support | Notes |
|---|---|---|
| Employees | Fully supported | Employees are the core record type. Standard properties (name, DOB, hire date, termination date, job title, department, location) map cleanly to any destination HRMS. Custom employee properties require field-level mapping. We request the employee export via Mosaic HCM's managed services and normalize the schema before load. |
| Organizations / EINs | Mapping required | Mosaic HCM supports multi-EIN configurations where all legal entities reside on a single database instance. Each EIN maps to a separate company/employer entity in the destination. We identify which employees belong to which EIN during the scoping phase so legal entity assignment is preserved post-migration. |
| Positions | Mapping required | Positions define headcount budget and FTE allocation alongside the employee occupying them. UKG Ready stores position data separately from employee records. We map positions to job titles or custom position objects in the destination, preserving headcount budget and FTE where the target system supports it. |
| Compensation History | Mapping required | Effective-dated pay changes and compensation records are stored per employee in UKG Ready. We extract the full compensation history including salary, hourly rate, bonus, and equity entries. Mapping to the destination's compensation record format requires effective-date sequencing and value normalization. |
| Benefits Enrollments | Mapping required | Benefits plan assignments, coverage tiers, and dependent information span the employee's tenure. Historical enrollments at period boundaries are needed for compliance audits. We map medical, dental, vision, and 401(k) plan assignments to the destination benefits module, preserving plan names and coverage start/end dates. |
| Payroll / Pay Runs | Mapping required | Pay runs (earnings, deductions, taxes, direct deposit allocations) are stored per pay period. We extract YTD earnings, tax withholdings, and garnishments. Note that payroll data is sensitive and may require elevated access permissions from Mosaic HCM's team to export. |
| Time Entries and Accruals | Fully supported | Time entries and PTO/leave accrual balances migrate cleanly. We extract raw time entries by pay period and accrual ledger balances as of the migration date. PTO carryover and negative balance flags are preserved in the destination's accrual module. |
| Configurable Workflows | Mapping required | Mosaic HCM's configurable workflow engine automates HR processes such as onboarding steps, approval chains, and task routing. Workflows are platform-specific and do not export as data. We document the workflow topology during scoping and reproduce equivalent automation logic in the destination HRMS. |
| Documents and Files | Mapping required | Employee documents (offer letters, performance reviews, I-9s, signed forms) are stored in Mosaic HCM's document repository. We extract documents as files and associate them with the correct employee record in the destination, preserving original filenames and document type tags. |
| Applicant / Candidate Records | Mapping required | When Mosaic HCM's ATS module is in use, candidate records and application data migrate to the destination's recruiting module. We map application status, source, and associated job postings. Inactive candidates and archived requisitions are included unless explicitly excluded during scoping. |
Gotchas
What to watch for in Mosaic HCM migrations
Issues we've hit on past Mosaic HCM migrations, tagged by severity. FlitStack AI handles every one — surfacing them up front because buyer engineering teams want to know.
No direct customer API access for self-service exports
Custom fields and configurations are invisible without discovery sessions
Multi-EIN data requires entity-splitting before destination load
Historical payroll data requires elevated access and lead time
| Severity | Issue |
|---|---|
| High | No direct customer API access for self-service exports |
| Medium | Custom fields and configurations are invisible without discovery sessions |
| Medium | Multi-EIN data requires entity-splitting before destination load |
| Medium | Historical payroll data requires elevated access and lead time |
Leaving Mosaic HCM?
Where Mosaic HCM customers move next
5 destinations Mosaic HCM can migrate to.
How a Mosaic HCM migration works
Four steps, Mosaic HCM-specific
Connect
Not publicly documented into Mosaic HCM. Scopes limited to read-only on the data we move.
Map
We translate Mosaic HCM-specific structures (custom fields, objects, value lists) to the destination's model.
Sample
Test with a 50–200 record subset to validate Mosaic HCM quirks before production.
Migrate
Full migration with Mosaic HCM rate-limit handling. Rollback available throughout.
FAQ
Mosaic HCM migration FAQ
Answers to the questions buyers ask most during Mosaic HCM migration scoping. Not seeing yours? Book a call.
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