CRM migration
Field-level mapping, validation, and rollback between Tango CRM and Twenty CRM. We move data and schema; workflows are rebuilt natively in Twenty CRM.
Tango CRM
Source
Twenty CRM
Destination
Compatibility
7 of 10
objects map 1:1 between Tango CRM and Twenty CRM.
Complexity
CModerate
Timeline
3-5 weeks
Overview
Moving from Tango CRM to Twenty CRM is a migration from a platform with no confirmed public API to one built on a documented GraphQL API with strong self-hosting and per-seat pricing options. The primary technical constraint is Tango CRM's export feasibility — without a REST or GraphQL endpoint, migration relies on CSV export or browser-based record capture, which we scope during discovery before committing to a migration plan. We migrate Contacts to People, Companies to Company, Deals to Opportunities, and activity records to Tasks and Notes. Pipeline stage names are reconciled via a stage mapping worksheet before import. Custom fields are created in Twenty's data model before any CSV import runs, per Twenty's import requirements. We do not migrate automations, sequences, or workflows as code; we deliver a written inventory for your admin to rebuild in Twenty.
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 Tango CRM object lands in Twenty CRM, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Tango CRM
Contact
Twenty CRM
Person
1:1Tango CRM Contact records map to Twenty Person records. Standard fields (full name, email, phone, address) migrate directly. We use email address as the dedupe key. If Tango CRM exports Contacts with associated Company links, we preserve the relationship by resolving the Company name to the Twenty Company record at import time. Custom Contact properties require explicit field-level mapping and type matching against Twenty's field type options.
Tango CRM
Company
Twenty CRM
Company
1:1Tango CRM Company records map directly to Twenty Company. Domain, industry, size, and address fields migrate to Twenty Company equivalents. Company name serves as the dedupe key. Parent-company or hierarchy relationships in Tango CRM map to Twenty's self-referential Company relationship field if present. We resolve Company records before Person records to satisfy the lookup relationship at import time.
Tango CRM
Deal
Twenty CRM
Opportunity
1:1Tango CRM Deal records map to Twenty Opportunity. Deal name, value, expected close date, and owner transfer directly. The pipeline stage name does not map 1:1 to Twenty's stage labels — we produce a stage mapping worksheet during the mapping phase and reconcile labels at import time. Probability and stage order are preserved independently of label names.
Tango CRM
Pipeline
Twenty CRM
Opportunity Stage
lossyTango CRM pipeline definitions (stage order, stage labels) export as a configuration worksheet. We configure Twenty's Opportunity pipeline stages in Settings > Data Model to match the source stage order before any Deal records are imported. Stage labels are reconciled via the mapping worksheet so that stage semantics are preserved even when exact wording differs between platforms.
Tango CRM
Activities (calls, emails, meetings, tasks)
Twenty CRM
Task or Note
1:1Activity records logged against Contacts or Deals in Tango CRM migrate to Twenty Task or Note records. Call disposition, duration, and timestamps transfer to custom Task fields. Meeting start and end times and attendee information preserve as custom fields on the linked Task or Note. Without a confirmed bulk API on Tango CRM, activity migration is sequenced in batches to avoid overwhelming the export process.
Tango CRM
Notes
Twenty CRM
Note
1:1Free-text notes attached to Contacts or Deals in Tango CRM import as Twenty Note records linked via content associations to the parent Person or Company. HTML-formatted notes are stripped to plain text unless the destination's note field supports rich text. Note timestamps are preserved for timeline ordering.
Tango CRM
Tags and Labels
Twenty CRM
Label arrays
lossyTags applied to Contacts or Deals in Tango CRM transfer as label arrays in Twenty. Multi-select tag fields split into individual label values during the transformation step. If Twenty's label model differs from the source, we document the tag vocabulary during scoping and apply the reconciliation at import.
Tango CRM
Custom Fields (Contacts, Companies, Deals)
Twenty CRM
Custom Fields
lossyCustom properties on any Tango CRM object require explicit field-level mapping. Field types (dropdown, date, number, text) are matched to Twenty field type equivalents. Dropdown fields need value mapping because picklist option sets rarely align between platforms. Per Twenty's import documentation, all custom fields must exist in Settings > Data Model before CSV import runs — we create destination fields first, then import data.
Tango CRM
Custom Objects
Twenty CRM
Custom Object
1:1If Tango CRM supports custom object records, these map to Twenty Custom Objects of equivalent name. We pre-create the destination custom object schema in Twenty's Data Model, including all custom fields and lookup relationships, before any data import. Twenty's custom object model uses standard field types and supports lookup relationships to both standard and other custom objects.
Tango CRM
Users and Owners
Twenty CRM
Members
1:1Tango CRM users and record owners map by email address to Twenty Member accounts. The customer's admin must invite all Members in Settings > Members and confirm acceptance before any record import that references owner fields runs, per Twenty's import prerequisites. We hold owner-unresolved records in a reconciliation queue until the Member mapping is confirmed.
| Tango CRM | Twenty CRM | Compatibility | |
|---|---|---|---|
| Contact | Person1:1 | Fully supported | |
| Company | Company1:1 | Fully supported | |
| Deal | Opportunity1:1 | Fully supported | |
| Pipeline | Opportunity Stagelossy | Fully supported | |
| Activities (calls, emails, meetings, tasks) | Task or Note1:1 | Fully supported | |
| Notes | Note1:1 | Mapping required | |
| Tags and Labels | Label arrayslossy | Mapping required | |
| Custom Fields (Contacts, Companies, Deals) | Custom Fieldslossy | Fully supported | |
| Custom Objects | Custom Object1:1 | Fully supported | |
| Users and Owners | Members1:1 | Mapping required |
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.
Tango CRM gotchas
No public API confirmed limits automation options
Attachment extraction is unconfirmed
Pipeline stage names rarely align between CRMs
Twenty CRM gotchas
Import order is enforced and critical
Export limited to 20,000 records and visible columns only
Soft-deleted records count toward uniqueness and trigger restores
API rate limits cap at 200 req/min on Organization tier
No native email sequences — follow-up cadences require external tools
Pair-specific challenges
Migration approach
Discovery and export feasibility assessment
We audit Tango CRM to determine which objects contain data (Contacts, Companies, Deals, Activities, Notes, Custom Objects), how many records exist per object, and whether a CSV export function exists for each. If no clean export path is confirmed, we scope browser-assisted extraction or manual export alternatives. We also assess data quality by sampling record completeness and duplicate rates. The discovery output is a written migration scope document confirming export feasibility and record volume.
Twenty workspace preparation and schema design
We configure the destination Twenty workspace before any data import. This includes creating custom objects and custom fields in Settings > Data Model to match the Tango CRM data model, configuring Opportunity pipeline stages to align with the source stage order and labels, and inviting all team members who will be referenced as record owners. Per Twenty's prerequisites, all custom fields must exist before CSV import runs — we create the complete schema first.
Data export and staging
We export data from Tango CRM in CSV format for each object type separately: Companies first, then Contacts (with Company associations resolved), then Deals, then Activities and Notes. If browser-assisted extraction is required, we run it in batches and validate record counts against the source. We stage the exported CSV files in our migration environment, normalize field names and formats, and produce a field mapping worksheet documenting the source field, destination field, and any transformation rules applied.
Data cleansing and transformation
We run a data quality pass on the staged CSV files: deduplicating records by email and company name, standardizing phone number formats, resolving incomplete address fields, and flagging records with missing critical fields for customer review. We apply the stage mapping worksheet to reconcile Tango CRM pipeline stage labels with Twenty stage labels. The output is a clean, transformed CSV ready for Twenty import.
Member and owner resolution
We extract every distinct owner and user referenced on Tango CRM records and match by email against the Twenty workspace Members list. Any owner without a matching Twenty Member goes to a reconciliation queue. The customer's admin provisions missing Members before record import resumes. We do not import records with unresolved owner references because the OwnerId is a required field on Opportunity and Person records in Twenty.
Production import and reconciliation
We run production import in dependency order: Companies first, then People, then Opportunities, then Activities and Notes. Each object import emits a row-count reconciliation report. We spot-check 25-50 records against the source to validate field mapping accuracy before proceeding to the next object. Custom objects import last because they often have lookup relationships to the standard objects imported earlier.
Cutover, validation, and workflow handoff
We freeze writes to Tango CRM during the cutover window, run a final delta import of any records modified during the migration, then confirm Twenty as the system of record. We deliver a written inventory of any automations, workflows, or sequences found in Tango CRM with a note that these must be rebuilt in Twenty manually or by a developer using Twenty's settings interface and API. We do not rebuild automations as part of the migration scope.
Platform deep dives
Tango CRM
Source
Strengths
Weaknesses
Twenty CRM
Destination
Strengths
Weaknesses
Complexity grading
Moderate CRM migration. 7 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Moderate migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Tango CRM and Twenty CRM.
Object compatibility
7 of 8 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
8-object category — typical timelines run 2–7 days end-to-end.
API constraints
Tango CRM: Not publicly documented.
Data volume sensitivity
Tango CRM 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
Pick a category, then your source and destination platforms.
Category
FAQ
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