CRM migration
Field-level mapping, validation, and rollback between Nimble CRM and Nutshell. We move data and schema; workflows are rebuilt natively in Nutshell.
Nimble CRM
Source
Nutshell
Destination
Compatibility
9 of 12
objects map 1:1 between Nimble CRM and Nutshell.
Complexity
BStandard
Timeline
3-5 weeks
Overview
Moving from Nimble CRM to Nutshell is a data-model reconciliation as much as a record transfer. Nimble uses a flat contact-centric model where Companies and People are loosely associated by name matching, while Nutshell separates Organizations (the account-level record) from People (the contact-level record) with a defined lookup relationship. We resolve that hierarchy during scoping, export Companies from Nimble first, then import them as Organizations before People are imported to ensure every contact attaches to the correct Organization. Nimble has no public REST API for programmatic export, so we work around its email-delivered CSV export capped at 500 records per file, batching requests and reassembling before Nutshell's Import2 wizard loads them. Activity history (calls, meetings, logged tasks) migrates via Nutshell's API with standard rate-limit handling. Workflows, Outreach Sequences, and social enrichment fields have no export path from Nimble; we document these as written artifacts for the customer's admin to rebuild in Nutshell.
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 Nimble CRM object lands in Nutshell, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Nimble CRM
Person
Nutshell
Person
1:1Nimble People map to Nutshell Person records. Every Nimble Person field (name, email, phone, address, social profiles) maps to the corresponding Nutshell Person field. The Nimble first_name and last_name split is preserved; unparseable names are stored as full_name in Nutshell. Social URLs (LinkedIn, Twitter, Facebook) stored in Nimble custom fields map to Nutshell Person social_url fields if configured, or are stored as custom text fields if Nutshell's social URL fields are not available in the customer's plan.
Nimble CRM
Company
Nutshell
Organization
1:1Nimble Company records map to Nutshell Organization records. We export Companies from Nimble first and import them as Organizations in Nutshell before any Person import so that the Organization lookup relationship is satisfied at Person import time. The Nimble company name becomes the Nutshell Organization name field. Company domain, industry, size, and address fields map to their Nutshell equivalents. We resolve the Company-to-Organization relationship by exact name match and flag any Nimble Person with no matching Company for manual Organization assignment.
Nimble CRM
Deal
Nutshell
Lead
1:1Nimble Deals map to Nutshell Lead records. The deal name becomes the Lead name, deal value maps to the monetary value field, and the Nimble pipeline stage (e.g., Appointment Scheduled, Contract Sent, Closed Won) maps to the Nutshell Lead status field. Deal owner from Nimble maps to the Nutshell assigned_to user by email match. Lost and won reasons from Nimble custom fields are stored as custom text fields in Nutshell Lead for audit purposes.
Nimble CRM
Custom Data Fields (Person)
Nutshell
Custom Fields (Person)
lossyNimble custom data fields on People export as CSV columns. We map each to a corresponding Nutshell custom Person field, matching the field type (text, picklist, date, boolean, number). Picklist values in Nimble must be whitelisted in Nutshell before import or the values are rejected. We flag any Nimble field type that Nutshell does not support (e.g., multi-select text) and discuss truncation or transformation options during scoping.
Nimble CRM
Custom Data Fields (Company)
Nutshell
Custom Fields (Organization)
lossyNimble custom fields on Companies export as CSV columns and map to Nutshell Organization custom fields. Organization custom fields in Nutshell are plan-dependent; Starter plans may have fewer custom field slots. We verify the destination plan's custom field limits during scoping and configure fields via Nutshell's field management UI before import begins.
Nimble CRM
Activity: Task
Nutshell
Activity (Task)
1:1Nimble Tasks export via CSV with a hard ceiling of 500 records per email-delivered file. Large task histories require multiple CSV export batches that we reassemble, deduplicate, and sort by date before loading into Nutshell. Task subject, due date, completion status, and assignment map to Nutshell Activity fields. We cannot extract Tasks via Nimble's API because the platform lacks Task CRUD endpoints.
Nimble CRM
Activity: Call
Nutshell
Activity (Call)
1:1Nimble logged calls map to Nutshell Activity records with type = Call. Call duration, disposition, and timestamp migrate as custom fields on the Activity record if Nutshell's plan supports custom activity fields. We link each call Activity to the correct Person or Lead record using the Nutshell API with parent-record resolution.
Nimble CRM
Activity: Event
Nutshell
Activity (Meeting)
1:1Nimble Events (meetings, appointments) map to Nutshell Activity records with type = Meeting. Start and end time, location, and attendees migrate from Nimble to Nutshell. We link the meeting Activity to the associated Person, Organization, or Lead record.
Nimble CRM
Tag
Nutshell
Tag
1:1Nimble Tags are flat label associations on People and Companies. We export all tags per record and map them to Nutshell Tag records, which are then linked via Nutshell's tag association model. Multi-value tag strings in Nimble are split into individual tag assignments in Nutshell. Tags that do not exist in Nutshell are created during the import phase.
Nimble CRM
Segment/List
Nutshell
List
1:manyNimble Segments are saved dynamic filters, not standalone exportable objects. We export the constituent People records that match each segment and create Nutshell List records containing those People. The segment filter criteria are documented as a written artifact so the customer can reproduce the dynamic filter as a Nutshell List if the underlying contact set changes.
Nimble CRM
Workflow
Nutshell
Automation Rule (rebuild only)
1:1Nimble Workflow definitions have no export path via API or CSV. We do not migrate Workflows automatically. During scoping, we conduct a Workflow audit: we document each Nimble Workflow's trigger conditions, action sequences, and Kanban stage assignments and deliver a written playbook mapping each to Nutshell Automation Rules. The customer's admin rebuilds automations in Nutshell post-migration using the playbook.
Nimble CRM
Outreach Sequence
Nutshell
Email Sequence (rebuild only)
1:1Nimble Outreach Sequences and email templates have no export mechanism. We document the sequence structure (steps, delays, templates used, recipient criteria) as a written artifact during discovery. The customer rebuilds sequences in Nutshell using its built-in email sequence feature. We do not migrate sequences as live automation.
| Nimble CRM | Nutshell | Compatibility | |
|---|---|---|---|
| Person | Person1:1 | Fully supported | |
| Company | Organization1:1 | Fully supported | |
| Deal | Lead1:1 | Fully supported | |
| Custom Data Fields (Person) | Custom Fields (Person)lossy | Fully supported | |
| Custom Data Fields (Company) | Custom Fields (Organization)lossy | Fully supported | |
| Activity: Task | Activity (Task)1:1 | Fully supported | |
| Activity: Call | Activity (Call)1:1 | Fully supported | |
| Activity: Event | Activity (Meeting)1:1 | Fully supported | |
| Tag | Tag1:1 | Fully supported | |
| Segment/List | List1:many | Fully supported | |
| Workflow | Automation Rule (rebuild only)1:1 | Fully supported | |
| Outreach Sequence | Email Sequence (rebuild 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.
Nimble CRM gotchas
API lacks Task CRUD and bulk operations
2GB per-user storage ceiling is tied to email history
Workflow automations have no export path
CSV exports capped at 500 records per email delivery
Email sequences and outreach templates not exportable
Nutshell gotchas
Contact tier limits enforced on import
No bulk API endpoint requires paginated extraction
Email sequences not exportable via API
Foundation plan disables key sales features
Pair-specific challenges
Migration approach
Discovery and scoping
We audit the Nimble account for record counts across People, Companies, Deals, Activities, Tags, Segments, and Custom Data Fields. We calculate the number of CSV export batches required (at 500 records per file ceiling) and estimate storage consumption against Nimble's 2GB per-user limit. We review the Nimble Workflow list and Outreach Sequences to produce the automation inventory artifact. We also verify the destination Nutshell plan for custom field slot limits and plan any Organization and Person custom field pre-configuration. The discovery output is a written migration scope with record counts, batch counts, and custom field mapping decisions.
Schema design and Organization hierarchy preparation
We design the Nutshell destination schema before any data moves. This includes creating Organization custom fields to receive Nimble Company data, creating Person custom fields for Nimble custom data fields and social URLs, and creating Lead custom fields for Nimble Deal custom properties. We provision Tags in Nutshell that match Nimble's tag set. Nutshell's Import2 wizard or direct API is used depending on record volume and complexity. We test field type compatibility (picklist values, date formats, boolean representations) and flag any mismatches for transformation before the main migration run.
CSV extraction, chunking, and reassembly
We initiate Nimble CSV exports across all first-class objects. Each export batch (up to 500 records) arrives via email as a CSV attachment. We batch requests to avoid overloading the export system, download each batch, and reassemble into complete dataset files for People, Companies, Deals, and Activities. We deduplicate across batches using record IDs and email addresses as dedupe keys. Activity records are sorted by timestamp for chronological ordering in Nutshell. Any records without a required field (email for Person, name for Company) are flagged in a separate exception report for the customer to resolve before import.
Owner and Organization lookup resolution
We resolve Nimble Owner assignments by email match against the Nutshell destination User table. Any Owner without a matching Nutshell User is placed in a reconciliation queue for the customer's admin to provision before record import. We resolve Company-to-Person associations using exact and fuzzy company name matching. Ambiguous matches (company names with slight variations) are flagged for manual review. We resolve Organization references for Nutshell before Person import begins so that every Person record has a valid Organization lookup at the moment of insert.
Import into Nutshell in dependency order
We import records into Nutshell in dependency order: Organizations first (from Nimble Companies), then People (linked to Organizations), then Leads (from Nimble Deals), then Activities (Tasks, Calls, Meetings linked to Person, Organization, or Lead). We use Nutshell's API for record insertion with rate-limit handling and exponential backoff. Each phase emits a row-count reconciliation report showing records inserted, rejected, and skipped. Tag associations are created after Person and Organization records are confirmed in Nutshell. Lists are created from Nimble Segments by importing the constituent Person records.
Cutover, validation, and automation rebuild handoff
We freeze Nimble writes during cutover, run a delta migration of any records modified during the migration window, then enable Nutshell as the system of record. We validate a sample of records against the Nimble source (targeting 25-50 records per object type) and reconcile record counts. We deliver the Workflow and Sequence inventory document to the customer's admin team for rebuild in Nutshell Automation Rules and email sequences. We provide a one-week hypercare window to resolve any reconciliation issues. We do not rebuild Nimble automations as Nutshell Automation Rules within the migration scope.
Platform deep dives
Nimble CRM
Source
Strengths
Weaknesses
Nutshell
Destination
Strengths
Weaknesses
Complexity grading
Standard CRM migration. 1 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 Nimble CRM and Nutshell.
Object compatibility
1 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
Nimble CRM: Not publicly documented in summary form..
Data volume sensitivity
Nimble CRM exposes a bulk API — large-volume migrations stream efficiently.
Estimator
Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.
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