CRM migration
Field-level mapping, validation, and rollback between Olqan and Mailchimp. We move data and schema; workflows are rebuilt natively in Mailchimp.
Olqan
Source
Mailchimp
Destination
Compatibility
3 of 10
objects map 1:1 between Olqan and Mailchimp.
Complexity
BStandard
Timeline
1-2 weeks
Overview
Migrating from Olqan to Mailchimp is a scope-reduction migration: Olqan is an all-in-one platform combining CRM, projects, HR, finance, and ticketing, while Mailchimp is an email marketing platform with a flat contact-data model built around Audiences, Members, Tags, and Campaigns. We migrate the contact layer (Contacts and Companies from Olqan's CRM module) into Mailchimp Members, preserving company associations as Tags or custom fields, email as the dedupe key, and any custom field values within Mailchimp's 255-character text limit. Olqan's project records, employee profiles, invoices, time logs, and tickets have no equivalent in Mailchimp and do not migrate. We deliver a written Audience Architecture document mapping each Olqan data field to a Mailchimp standard or custom field, flagging any field that exceeds Mailchimp's character or type constraints. Automations, campaigns, and historical email performance reports do not transfer.
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 Olqan object lands in Mailchimp, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Olqan
Contact
Mailchimp
Member
1:1Olqan Contacts map directly to Mailchimp Members using email address as the dedupe key. We map Olqan firstname and lastname to Mailchimp FNAME and LNAME merge fields, email to EMAIL, phone to PHONE, and lifecycle stage to a Mailchimp custom field olqan_lifecycle_stage__c (created during migration). Any Olqan contact with no email address is flagged for manual review because Mailchimp Members require a valid email.
Olqan
Company
Mailchimp
Tag or custom field on Member
1:manyOlqan Company records do not map to a standalone Mailchimp object because Mailchimp has no Companies or Accounts concept. Instead, we create a Tag per unique Company name and apply it to all Olqan Contacts linked to that company. We also create a custom field company_name__c on Member to preserve the exact company string. Industry and company size from Olqan map to custom fields industry__c and company_size__c if the destination Mailchimp plan supports custom fields.
Olqan
Deal
Mailchimp
Custom field or Tag on Member
lossyOlqan Deals have no direct Mailchimp equivalent. We capture the most recent Deal's stage name and value and store them as custom fields on the associated Member record: deal_stage__c and deal_value__c. If the customer used Olqan's pipeline feature heavily, we recommend rebuilding deal-stage segmentation as Mailchimp Tags and Groups post-migration rather than expecting deal values to appear as structured CRM data.
Olqan
Custom Fields on Contact
Mailchimp
Merge field or custom field on Member
lossyOlqan custom fields on Contacts migrate to Mailchimp custom fields. We detect the Olqan field type (text, number, date, dropdown) and map to the closest Mailchimp field type. Mailchimp merge fields are capped at 255 characters; any Olqan text field exceeding this is truncated with a suffix note, and the full value is stored in a Mailchimp Notes section if available. This is a critical pair-specific gotcha we flag before migration.
Olqan
Owner
Mailchimp
Mailchimp account User or Tag
1:1Olqan Owners (the CRM user assigned to a Contact or Deal) cannot map to a Mailchimp-native ownership model because Mailchimp does not assign Members to specific users. We create a Tag per Owner name (e.g., tag: assigned-to-jane-doe) and apply it to all Members owned by that user. The customer's Mailchimp admin uses these Tags for internal routing or accountability if needed.
Olqan
Ticket
Mailchimp
Not migrated
lossyOlqan Tickets track customer support conversations and have no equivalent in Mailchimp. Support ticket data (agent assignments, conversation threads, status, priority) does not migrate. If the customer needs to preserve ticket history, we recommend exporting Olqan ticket records as a CSV for manual reference and setting up a dedicated support tool (e.g., Zendesk, Freshdesk) post-migration.
Olqan
Project
Mailchimp
Not migrated
lossyOlqan Project records contain task hierarchies, time logs, milestones, and assignees. Mailchimp has no project management or task-tracking module. Project data does not migrate. We flag this gap during scoping if the customer's team relies on Olqan's project features and recommend a dedicated project management tool post-migration.
Olqan
Employee
Mailchimp
Not migrated
lossyOlqan Employee records store job titles, departments, start dates, manager hierarchies, and payroll data. Mailchimp is not an HR platform and has no employee records. Employee data does not migrate. The customer's HR data remains in Olqan or requires a separate HR platform if they fully decommission Olqan.
Olqan
Invoice
Mailchimp
Not migrated
lossyOlqan Invoice records contain line items, totals, payment status, and payment terms. Mailchimp has no invoicing or finance module. Invoice data does not migrate. Historical paid invoices retain their original amounts and dates in Olqan's export if the customer needs them for accounting purposes.
Olqan
Tag (Olqan contact tag)
Mailchimp
Tag on Member
1:1Olqan supports Tags on Contact records. We migrate all Olqan Tags as Mailchimp Tags on the corresponding Member record using the same tag name. Mailchimp Tags are additive labels that do not have hierarchy; if Olqan tags have a nested structure, we flatten them into dot-separated tag names (e.g., region.north.enterprise becomes the single tag region.north.enterprise) to preserve the taxonomy without breaking Mailchimp's flat tag model.
| Olqan | Mailchimp | Compatibility | |
|---|---|---|---|
| Contact | Member1:1 | Fully supported | |
| Company | Tag or custom field on Member1:many | Fully supported | |
| Deal | Custom field or Tag on Memberlossy | Fully supported | |
| Custom Fields on Contact | Merge field or custom field on Memberlossy | Fully supported | |
| Owner | Mailchimp account User or Tag1:1 | Fully supported | |
| Ticket | Not migratedlossy | Fully supported | |
| Project | Not migratedlossy | Fully supported | |
| Employee | Not migratedlossy | Fully supported | |
| Invoice | Not migratedlossy | Fully supported | |
| Tag (Olqan contact tag) | Tag on Member1:1 | 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.
Olqan gotchas
No mobile app for iOS or Android
Limited third-party integration ecosystem
Mixed-object exports require post-processing
Newer platform with evolving feature set
Mailchimp gotchas
Contact count includes unsubscribed and non-subscribed records
Automation workflows cannot be exported
Account suspensions trigger silently during migration
Template HTML is Mailchimp-specific and may not render in other platforms
E-commerce data requires active store connection
Pair-specific challenges
Migration approach
Discovery and contact audit
We audit Olqan's CRM module to identify all Contact records, Company records, and custom field definitions. We extract the total contact count, the number of distinct custom fields, any active Tags on contacts, the Olqan lifecycle stages in use, and the presence of contacts without email addresses. We pair this with a Mailchimp account review to confirm the customer's plan tier and whether custom fields are available on their current plan. The discovery output is a written Migration Scope covering contact volume, field mapping table, and any Olqan records that will not migrate.
Email hygiene and deduplication pass
We run a deduplication pass on Olqan contacts before export. Contacts sharing the same email address are flagged with their record variants (name, company, custom field values). We provide the customer with a deduplication recommendation (keep the most recent record, merge field values, or manually select) and wait for their decision before proceeding. Contacts missing an email address are excluded from migration and reported as a separate list for manual handling. This step prevents Mailchimp from silently merging records on import.
Field mapping and Mailchimp schema preparation
We build the field mapping table mapping each Olqan Contact field to a Mailchimp standard field (FNAME, LNAME, EMAIL, PHONE) or a custom field we create during migration. For each custom field, we apply type mapping (Olqan text to Mailchimp text, Olqan number to Mailchimp number, Olqan date to Mailchimp date). We flag any Olqan text fields exceeding 255 characters with truncation notation. We create Tags in Mailchimp for each unique Olqan Company name and Owner name before migration begins so the tag vocabulary is ready during import.
Audience architecture planning
Mailchimp organizes members into Audiences. We work with the customer to decide whether to use a single main Audience (recommended for most migrations) or multiple Audiences for different contact segments. If the customer used Olqan's module separation (e.g., separate contact lists for sales leads vs. customer support), we map that segmentation to Mailchimp Audiences, Tags, or Groups based on the customer's plan tier and ongoing segmentation needs. This step produces the Audience Architecture document that guides the migration import configuration.
CSV export, transformation, and import
We export Olqan Contact records as CSV, apply the field mapping transformation (including custom field creation, tag application, and truncation of oversized fields), and import into Mailchimp using the Mailchimp API or CSV import wizard. We use the email address as the dedupe key and apply Tags for company associations and owner assignments. After import, we reconcile the row count: Members in Mailchimp should equal unique email addresses in the Olqan export minus any excluded records. Any import errors (invalid email format, missing required fields) are reported and resolved before sign-off.
Validation, cutover, and post-migration handoff
We validate the migrated data by spot-checking 25-50 random Members against their Olqan source records, confirming that name, email, company tag, and custom field values match. We deliver the Automation Inventory document listing every Olqan automation requiring rebuild in Mailchimp, and the Audience Architecture document for the customer to implement segmentation post-migration. We do not rebuild Mailchimp automations as part of standard scope. We support a 48-hour post-migration window to resolve any data issues raised after cutover.
Platform deep dives
Olqan
Source
Strengths
Weaknesses
Mailchimp
Destination
Strengths
Weaknesses
Complexity grading
Standard CRM migration. 2 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Standard migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Olqan and Mailchimp.
Object compatibility
2 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
Olqan: Not publicly documented.
Data volume sensitivity
Olqan 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.
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FAQ
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