HRMS migration
Field-level mapping, validation, and rollback between Recruit ATS by HR Cloud and Bullhorn ATS & CRM. We move data and schema; workflows are rebuilt natively in Bullhorn ATS & CRM.
Recruit ATS by HR Cloud
Source
Bullhorn ATS & CRM
Destination
Compatibility
10 of 12
objects map 1:1 between Recruit ATS by HR Cloud and Bullhorn ATS & CRM.
Complexity
BStandard
Timeline
3-5 weeks
Overview
Recruit ATS by HR Cloud is an SMB-oriented applicant tracking system with fully customizable Kanban pipelines, native SMS interview invite sequences, and a flat-tier pricing model starting around $295 per month. Bullhorn is a recruitment-industry platform that combines ATS and CRM functionality across 10,000-plus customers globally, with standard fields for Jobs, Candidates, Applications, Placements, Clients, and Activities, plus an ATS v1 and ATS v2 data model that introduces the Application V2 custom object on newer tenants. The migration from Recruit ATS to Bullhorn is primarily a record export and re-import: we pull Jobs, Candidates, Applications, Pipeline Stage definitions, Tags, and document attachments from the HR Cloud REST API, map them into Bullhorn's entity schema, and load via the Bullhorn REST API with batch chunking and rate-limit handling. Automation rules and Interview Scorecards are not exportable from Recruit ATS, so we deliver a written inventory of active rules and scorecard templates for the customer's Bullhorn admin to rebuild using Bullhorn Automation or a third-party tool. Entity-type custom fields that link Candidate-to-Job records require post-migration re-linkage because Bullhorn assigns new record IDs during import.
Every standard and custom field arrives verified.
AI proposes the map; you confirm before any record moves.
Parent–child, lookups, and ownership stay linked.
Calls, emails, meetings — with original timestamps.
Documents, uploads, and inline notes move with the record.
Why teams make this switch
Leaving
What's pushing teams away
Choosing
What's pulling them in
Object mapping
Each row shows how a Recruit ATS by HR Cloud object lands in Bullhorn ATS & CRM, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Recruit ATS by HR Cloud
Job
Bullhorn ATS & CRM
JobOrder (Job)
1:1Recruit ATS Job records map to Bullhorn JobOrder. We extract title, description, location, department, employment type, and status (open/closed/archived). Custom request fields attached to the job posting map to Bullhorn custom fields on JobOrder, which we pre-create in the destination tenant before migration. The job's ordinal position in Recruit ATS is preserved as a sort field but Bullhorn Kanban ordering is managed via its own column configuration rather than a global ordinal.
Recruit ATS by HR Cloud
Candidate
Bullhorn ATS & CRM
Candidate
1:1Recruit ATS Candidate records map directly to Bullhorn Candidate. Standard fields (name, email, phone, address, work history, education) migrate to Bullhorn's Candidate entity. The primary resume file migrates as a Bullhorn Candidate attachment (ContentDocument with binary blob), preserving original filename and MIME type. If the Bullhorn destination uses ATS v2, Candidate records are required before Application V2 records can be created.
Recruit ATS by HR Cloud
Application
Bullhorn ATS & CRM
JobSubmission (ATS v1) or Application V2 (ATS v2)
1:1Recruit ATS Application records (the junction between Candidate and Job) map to Bullhorn JobSubmission under ATS v1 or Application V2 under ATS v2. We extract applied date, current stage, source channel, and rejection reason. Bullhorn's ATS v2 data model introduces Application V2 as a Bullhorn Recruitment Cloud custom object with different field mapping requirements from ATS v1; we confirm the destination tenant's data model during scoping and configure the import path accordingly. Application-level custom fields require value-mapping against Bullhorn's field type constraints (character limits, picklist values) before import.
Recruit ATS by HR Cloud
Pipeline Stage
Bullhorn ATS & CRM
JobStage
lossyRecruit ATS Pipeline Stages are fully custom with ordinal positions and Kanban column names. We extract the stage name, ordinal position, and any stage-specific configuration. Bullhorn JobStage values are defined in the Bullhorn tenant settings and must be pre-created before JobSubmission import; we map Recruit ATS stage names to Bullhorn stage values by ordinal order and produce a stage mapping sheet. Kanban column order is preserved via the ordinal mapping but Bullhorn's Kanban view uses its own column ordering rules.
Recruit ATS by HR Cloud
Tag
Bullhorn ATS & CRM
CandidateTag (Bullhorn native)
1:1Recruit ATS Tags are string labels applied to Candidates and Jobs. We export the full tag set and apply them as Bullhorn CandidateTag records linked to the corresponding Candidate. Multi-tag records migrate as arrays and create multiple CandidateTag associations. Bullhorn does not have a native tag system for JobOrder, so Job-level tags from Recruit ATS map to a custom text field on JobOrder.
Recruit ATS by HR Cloud
Entity-type Custom Field
Bullhorn ATS & CRM
Custom Field + Re-linkage Map
1:1Recruit ATS supports entity-type custom fields that link a Candidate record to another Candidate or Job record. Bullhorn does not support this cross-record entity linking pattern natively. We detect these fields during the pre-flight audit, preserve the linked-record IDs in a dependency map, and post them to a re-linkage guide. The customer's Bullhorn admin manually re-establishes these links after migration using Bullhorn's custom fields or a lookup tool. We flag any compliance-critical linkages (such as candidate-to-referrer relationships) separately so they are not missed.
Recruit ATS by HR Cloud
Document / Attachment
Bullhorn ATS & CRM
ContentDocument (Candidate)
1:1Resume files, cover letters, and uploaded documents attached to Candidates and Jobs migrate as Bullhorn ContentDocument records with the original filename and MIME type preserved. Large attachments (over 5 MB) are chunked for API upload using Bullhorn's binary attachment endpoint with retry logic. We preserve the attachment's association to the parent record (Candidate or JobOrder) using ContentDocumentLink.
Recruit ATS by HR Cloud
Candidate Note
Bullhorn ATS & CRM
Note (Candidate)
1:1Notes attached to Candidates in Recruit ATS migrate as Bullhorn Note records linked to the Candidate via ContentDocumentLink. We preserve the note body as plain text, the original author name, and the creation timestamp. Thread structure (replies to notes) does not migrate; all notes land as flat entries in Bullhorn's Note list against the parent Candidate.
Recruit ATS by HR Cloud
Owner
Bullhorn ATS & CRM
CorporateUser (Bullhorn)
1:1Recruit ATS Owner records map to Bullhorn CorporateUser. We resolve by email match against the Bullhorn destination tenant's user table. Any Recruit ATS Owner without a matching Bullhorn CorporateUser goes to a reconciliation queue for the customer's Bullhorn admin to provision before record import resumes. Owner assignments on Candidate, JobOrder, and JobSubmission migrate as OwnerID references after user resolution is complete.
Recruit ATS by HR Cloud
Job (Client reference)
Bullhorn ATS & CRM
ClientCorporation (Bullhorn CRM entity)
lossyRecruit ATS Jobs have a client or company reference that maps to Bullhorn ClientCorporation if the destination tenant uses Bullhorn's CRM layer. We extract the client name from Recruit ATS job records and either match against an existing ClientCorporation in Bullhorn or create a new ClientCorporation record. This step is scoped during discovery; if the customer does not use Bullhorn CRM, the client reference migrates as a text field on JobOrder.
Recruit ATS by HR Cloud
Job Application Status History
Bullhorn ATS & CRM
JobSubmission History
1:1Recruit ATS tracks application status changes over time. We extract the full status history with timestamps and migrate it as a series of Note records attached to the JobSubmission, each noting the previous stage, new stage, and timestamp. Bullhorn does not natively store application stage-change history as a structured object, so the history is preserved in searchable note form for audit purposes.
Recruit ATS by HR Cloud
Automation Rule
Bullhorn ATS & CRM
Not migrated (registry only)
1:1Recruit ATS automation rules (knock-out question triggers, SMS invite sequences, email sequences) are not exposed via the public API and cannot be exported as structured data. We do not migrate automation rules. During the pre-flight audit we produce a written automation registry listing every active rule with its trigger, conditions, and actions. The customer's Bullhorn admin uses this registry to rebuild equivalent automations in Bullhorn Automation, Herefish, or another Bullhorn-native automation tool post-migration.
| Recruit ATS by HR Cloud | Bullhorn ATS & CRM | Compatibility | |
|---|---|---|---|
| Job | JobOrder (Job)1:1 | Fully supported | |
| Candidate | Candidate1:1 | Fully supported | |
| Application | JobSubmission (ATS v1) or Application V2 (ATS v2)1:1 | Fully supported | |
| Pipeline Stage | JobStagelossy | Fully supported | |
| Tag | CandidateTag (Bullhorn native)1:1 | Fully supported | |
| Entity-type Custom Field | Custom Field + Re-linkage Map1:1 | Fully supported | |
| Document / Attachment | ContentDocument (Candidate)1:1 | Fully supported | |
| Candidate Note | Note (Candidate)1:1 | Fully supported | |
| Owner | CorporateUser (Bullhorn)1:1 | Fully supported | |
| Job (Client reference) | ClientCorporation (Bullhorn CRM entity)lossy | Fully supported | |
| Job Application Status History | JobSubmission History1:1 | Fully supported | |
| Automation Rule | Not migrated (registry only)1:1 | Fully supported |
Gotchas + challenges
Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.
Recruit ATS by HR Cloud gotchas
Interview scheduling is not native to the ATS
Automation rules are not exportable via API
Entity-type custom fields create cross-object dependencies
Large candidate pools cause UI performance degradation
Bullhorn ATS & CRM gotchas
ATS Growth edition has no API access
Attachments excluded from CSV bulk exports
Custom Object limits vary sharply by edition
Opportunity pipeline stages are recruitment-specific
Resume parse quality varies by document format
Pair-specific challenges
Migration approach
Discovery and Bullhorn data model confirmation
We audit the source Recruit ATS tenant across Jobs, Candidates, Applications, Pipeline Stage definitions, Tags, custom field inventory, automation rule inventory, and attachment volume. We also confirm whether the destination Bullhorn tenant runs ATS v1 or ATS v2, whether the CRM layer (ClientCorporation, Lead, Placement) is active, and what custom fields already exist in the Bullhorn schema. The discovery output is a written migration scope document specifying the object mapping, stage mapping, entity-type custom field list, automation registry (for rebuild), and a Bullhorn schema gap report for any custom fields we need to pre-create before import.
Pre-migration data audit and automation registry
We run a full export of all migratable objects from Recruit ATS using the HR Cloud API. For each automation rule, we capture the rule name, trigger type, conditions, and actions in a structured registry. For entity-type custom fields, we generate a dependency map linking source record IDs to destination record IDs. We produce record-count summaries and attachment volume totals. The customer reviews the automation registry and confirms which rules are active, deprecated, or compliance-critical before we proceed to sandbox migration.
Bullhorn schema preparation
We pre-create any missing custom fields on Bullhorn entities (JobOrder, Candidate, JobSubmission or Application V2, ClientCorporation) based on the custom field gap report. We configure JobStage values to match the Recruit ATS pipeline stage names and ordinal positions. If the destination uses ATS v2, we configure the Application V2 custom object fields and page layouts. Bullhorn schema changes are deployed to a sandbox tenant first for validation. Bullhorn's API requires specific field type constraints (character limits, picklist value sets) that may differ from Recruit ATS; we reconcile these before production migration.
Sandbox migration and reconciliation
We run a full migration into a Bullhorn sandbox using production-like data volume. The customer's Bullhorn admin reconciles record counts (Jobs in, Candidates in, Applications in, Notes in), spot-checks 25 to 50 records for field-level accuracy, and validates that entity-type custom field dependencies are correctly flagged in the re-linkage map. Stage mapping is validated by reviewing 10 randomly selected JobSubmission records to confirm the correct Bullhorn stage is assigned. Any mapping corrections are documented and applied to the production migration script before cutover. The customer signs off the sandbox migration before we proceed to production.
Owner reconciliation and user provisioning
We extract every distinct Recruit ATS Owner referenced on Candidate, Job, and Application records and match by email against the Bullhorn destination tenant's CorporateUser table. Owners without a matching Bullhorn user go to a reconciliation queue. The customer's Bullhorn admin provisions any missing users (active or inactive depending on whether the original Recruit ATS user is still active). Bullhorn user provisioning is a prerequisite step because OwnerID references are required on Candidate, JobOrder, and JobSubmission records.
Production migration in dependency order
We run production migration in record-dependency order: CorporateUser resolution (manual, validated), ClientCorporation records (if CRM layer is active), JobOrder records, Candidate records with resume attachments, JobSubmission or Application V2 records (with stage mapping applied), Notes, and Tags. Each phase emits a row-count reconciliation report. Entity-type custom field dependencies are not resolved during import; they are flagged in the re-linkage guide for manual post-migration handling. We run a delta migration of any records modified during the migration window before final cutover.
Cutover, validation, and automation rebuild handoff
We freeze writes to Recruit ATS during the cutover window, run a final delta migration pass, and hand off Bullhorn as the system of record. We deliver the automation registry and re-linkage guide to the customer's Bullhorn admin team. We support a five-business-day hypercare window where we resolve any data quality issues raised by the recruiting team. We do not rebuild Recruit ATS automation rules in Bullhorn Automation or Herefish as part of the migration scope; that work is handled by the customer's Bullhorn admin or a Bullhorn partner using the automation registry we delivered.
Platform deep dives
Recruit ATS by HR Cloud
Source
Strengths
Weaknesses
Bullhorn ATS & CRM
Destination
Strengths
Weaknesses
Complexity grading
Standard HRMS migration. 1 of 7 objects need a mapping; the rest are 1:1.
Overall complexity
Standard migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Recruit ATS by HR Cloud and Bullhorn ATS & CRM.
Object compatibility
1 of 7 objects need a mapping; the rest are 1:1.
Field mapping clarity
Field mapping is derived from defaults — final spec confirmed during the sample migration.
Timeline complexity
7-object category — typical timelines run 2–7 days end-to-end.
API constraints
Recruit ATS by HR Cloud: Not publicly documented.
Data volume sensitivity
Recruit ATS by HR Cloud doesn't expose a bulk API — REST + parallelization used for high-volume runs.
Estimator
Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.
Step 1
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