CRM migration

Migrate from LeadSimple to HubSpot

Field-level mapping, validation, and rollback between LeadSimple and HubSpot. We move data and schema; workflows are rebuilt natively in HubSpot.

LeadSimple logo

LeadSimple

Source

HubSpot

Destination

HubSpot logo

Compatibility

100%

12 of 12

objects map 1:1 between LeadSimple and HubSpot.

Complexity

CModerate

Timeline

48–72 hours

Rollback included Accuracy guarantee Field-level validation

Overview

What this migration involves

LeadSimple is built around property management workflows — leads tied to properties, lease-management pipelines, and property-specific custom fields. HubSpot organizes data around contacts, companies, and deals with a general-purpose CRM model that supports marketing automation, sales pipelines, and service tickets. The migration carries LeadSimple's leads, contacts, property associations, pipeline stages, tasks, and custom fields into HubSpot's equivalent objects. The harder problems are mapping LeadSimple's property-centric data model to HubSpot's contact-and-company graph, preserving pipeline stage history in HubSpot's deal lifecycle, and handling LeadSimple's process-based automation logic that has no HubSpot equivalent. FlitStack AI uses LeadSimple's export API and CSV extraction to read all standard and custom fields, then maps them field-by-field into HubSpot via the Contacts API, Companies API, Deals API, and Custom Objects API. A sample migration with field-level diff runs first; the full migration follows with a 24-48 hour delta-pickup window. Workflows, sequences, and process automation must be rebuilt in HubSpot — we export the logic as a reference document for your admin.

Field-level fidelity

Every standard and custom field arrives verified.

Schema-aware mapping

AI proposes the map; you confirm before any record moves.

Relationships preserved

Parent–child, lookups, and ownership stay linked.

Full activity history

Calls, emails, meetings — with original timestamps.

Attachments & notes

Documents, uploads, and inline notes move with the record.

Why teams make this switch

Two sides of the same decision

Leaving

LeadSimple logo

LeadSimple

What's pushing teams away

  • Email reliability issues — users report errors after sending or closing emails, requiring page reloads and disrupting daily communication workflows.
  • Integration gaps with other property management software, particularly around two-way sync with tools like AppFolio and Buildium, create manual re-entry work.
  • Limited feature set compared to full property management platforms — some customers find themselves supplementing LeadSimple with additional tools, increasing complexity.
  • Workflow complexity for large portfolios — the automation and process layers can become difficult to maintain as the number of doors and nested workflows grows.

Choosing

HubSpot logo

HubSpot

What's pulling them in

  • Lowest barrier to entry of any major CRM — the free tier with unlimited contacts lets teams validate fit before committing to a paid plan, according to G2 and Capterra reviewers.
  • Native integration between the CRM and sales engagement tools (sequences, email tracking, dialer) means no separate sync configuration, a theme across G2 Sales Hub reviews.
  • Pipeline visualization, deal tracking, and automated workflows are consistently praised as intuitive and easy to set up without developer involvement.
  • Strong onboarding for new team members — reviewers on Capterra and G2 highlight how quickly new reps become productive without formal training.
  • The HubSpot platform ecosystem (Marketing, Sales, Service, CMS hubs) allows growing companies to consolidate tools without building new integrations.

Object mapping

How LeadSimple objects map to HubSpot

Each row shows how a LeadSimple object lands in HubSpot, including any object-level transformations, lookup resolution, or schema-design dependencies.

Typical mapping — final map is confirmed during the sample migration step.

LeadSimple

Lead (LeadSimple)

maps to

HubSpot

Contact (HubSpot)

1:1
Fully supported

LeadSimple leads map to HubSpot contacts. The contact's name, email, phone, and address fields transfer directly. LeadSimple's 'Lead Name' field splits into HubSpot firstname and lastname properties. Original LeadSimple create date is preserved as a custom datetime field since HubSpot's Createdate is set at migration time.

LeadSimple

Property (LeadSimple)

maps to

HubSpot

Custom Object: Property (HubSpot)

1:1
Fully supported

LeadSimple properties have no direct HubSpot equivalent — they become a HubSpot custom object named 'Property'. Property address, type, occupancy status, and number of units become custom properties on the Property custom object. Each LeadSimple property record creates one Property custom object record linked to its associated contact.

LeadSimple

Unit (LeadSimple)

maps to

HubSpot

Custom Object: Unit (HubSpot)

1:1
Fully supported

LeadSimple units belong to properties and track occupancy, rent amount, and lease dates. Units map to a HubSpot custom object linked to the Property custom object via a custom association. Unit-level rent and lease-end dates become custom properties on the Unit custom object for reporting against deal pipelines.

LeadSimple

Pipeline (LeadSimple)

maps to

HubSpot

Deal Pipeline (HubSpot)

1:1
Fully supported

LeadSimple pipelines model property lifecycle stages — Inquiry, Showing, Application, Lease, Renewal. Each LeadSimple pipeline becomes a HubSpot deal pipeline. Stage names map value-by-value to HubSpot deal stages within each pipeline. Stage-entry timestamps are preserved as custom datetime fields on the deal record.

LeadSimple

Stage Status (LeadSimple)

maps to

HubSpot

Deal Stage (HubSpot)

1:1
Fully supported

Stage status values (Active, Won, Lost, On Hold) map to HubSpot deal stages. LeadSimple's 'Closed At' timestamp maps to HubSpot's closedate. For deals where LeadSimple has no close date, HubSpot's close date defaults to the migration date — flagged for admin review.

LeadSimple

Process (LeadSimple)

maps to

HubSpot

Custom Object: Process (HubSpot)

1:1
Fully supported

LeadSimple processes track property-management workflows like lease renewals and make-ready tasks. Processes map to a HubSpot custom object since HubSpot has no native process-tracking equivalent. Process stage, assigned user, and due date become custom properties. Process-task associations require a junction object in HubSpot.

LeadSimple

Contact Custom Fields (LeadSimple)

maps to

HubSpot

Contact Custom Properties (HubSpot)

1:1
Fully supported

LeadSimple contact custom fields store owner preferences, referral sources, and property-specific notes. Each LeadSimple contact custom field becomes a HubSpot contact custom property with the same field type (text, number, date, picklist). Picklist values are mapped value-by-value; multi-select picklists become HubSpot multi-checkbox properties.

LeadSimple

Tag List (LeadSimple)

maps to

HubSpot

Contact Properties: Tag (HubSpot)

1:1
Fully supported

LeadSimple's tag list on leads stores segmentation labels. Tags migrate to HubSpot as contact properties — single-value tags map to a HubSpot single-line text property; multi-value tags use HubSpot's multi-checkbox or a comma-separated text property. Tags are not HubSpot-native associations but are preserved for list-building in HubSpot.

LeadSimple

Owner / Assigned To (LeadSimple)

maps to

HubSpot

Contact Owner / Deal Owner (HubSpot)

1:1
Fully supported

LeadSimple owner IDs resolve to HubSpot users by email match. Unmatched owners are flagged before migration — teams either create HubSpot user accounts or assign records to a fallback owner. Owner resolution applies to contacts, properties, units, and deal records simultaneously.

LeadSimple

Annual Contract Value (LeadSimple)

maps to

HubSpot

Deal: Amount (HubSpot)

1:1
Fully supported

LeadSimple's Annual Contract Value on leads maps to HubSpot deal amount. For leads that have not yet converted to a deal, the value is stored as a contact custom property (Annual_Contract_Value__c) until a deal is created in HubSpot's pipeline. The amount transfers as a numeric field; if empty, zero is used. This property also supports reporting on leads awaiting deal creation.

LeadSimple

Source Name / Referrer Name (LeadSimple)

maps to

HubSpot

Contact: hs_analytics_source_data / utm_campaign (HubSpot)

1:1
Fully supported

LeadSimple tracks lead source and referrer. Source Name maps to HubSpot's hs_analytics_source_data property on contacts. Referrer Name becomes a custom contact property (Referrer_Name__c) for segmentation. These are preserved for HubSpot reporting and list building. The source attribution is retained to maintain campaign performance visibility, while the referrer field supports lead source analysis and audience segmentation across HubSpot's tools.

LeadSimple

Activity: Calls, Emails, Texts (LeadSimple)

maps to

HubSpot

Engagement: Calls, Emails, Notes (HubSpot)

1:1
Fully supported

LeadSimple engagement history (calls, emails, texts, notes) associates with leads. These map to HubSpot engagements — calls become HubSpot call records, emails become logged emails, and texts become HubSpot calls with a custom 'SMS' type property. Original timestamps and owners are preserved.

Gotchas + challenges

What specifically takes care here

Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.

LeadSimple logo

LeadSimple gotchas

High

Notes and Activities excluded from bulk CSV export

High

No public API — migration requires workaround

Medium

Contact-level custom fields can vary per owner on the same property

Medium

Per-door pricing on Operations layer is a billing artifact not migratable

Medium

Workflow automation must be manually rebuilt on the destination

HubSpot logo

HubSpot gotchas

High

Marketing Contacts billing model is migration-critical

High

Feature tier gating is not visible until onboarding

Medium

Mandatory onboarding fees inflate year-one cost

Medium

HubSpot CSV importer cannot migrate engagements or attachments

Medium

Custom objects require Enterprise and a pre-existing schema

Pair-specific challenges

  • LeadSimple's property-centric data model has no direct HubSpot equivalent

    LeadSimple's core objects — properties, units, and processes — are property-management primitives that don't map to any native HubSpot CRM object. HubSpot has no concept of a property with occupancy status, unit-level rent tracking, or lease-end date management. FlitStack AI creates HubSpot custom objects for Property and Unit, but these require ongoing admin configuration. Teams should plan which property attributes need reporting dashboards, because HubSpot's standard deal and contact reports won't surface unit-level data without custom report types built on the custom objects.

  • LeadSimple's Autopilot automation cannot migrate to HubSpot workflows

    LeadSimple Autopilot runs property-specific triggers — lease renewal reminders, delinquency alerts, and make-ready task scheduling — that are deeply tied to LeadSimple's property and process objects. HubSpot workflows operate on CRM objects (contacts, companies, deals, tickets) and marketing events (form submissions, email opens). The automation logic has no structural equivalent in HubSpot. FlitStack AI exports LeadSimple Autopilot rules as a plain-language reference document so your HubSpot admin can rebuild them using HubSpot's workflow builder and the Process custom object created during migration.

  • LeadSimple's email stability issues may have created data quality gaps

    G2 reviewers consistently report that LeadSimple's email system throws errors after sending or closing messages, requiring page reloads. When email logging is unreliable, engagement history in LeadSimple may be incomplete — calls and texts may be logged while email activity is missing. FlitStack AI validates engagement counts during the sample migration phase and flags contacts with unusually low email activity for manual review. Teams should audit their LeadSimple email log completeness before migration to understand which contacts may have missing engagement history.

  • LeadSimple's tag-to-HubSpot tag translation requires list-rebuilding

    LeadSimple's tag list on leads is a flat string field with comma-separated values. HubSpot's tag concept is a native contact property that supports multiple values but works differently for segmentation and list-building. HubSpot lists use static or dynamic criteria based on contact properties — they don't consume LeadSimple's tag field natively. FlitStack migrates tags as a custom contact property (tags__c) so the data is preserved, but HubSpot lists that replicate LeadSimple's tag-based segmentation need to be rebuilt using HubSpot's list builder with the custom property as the criteria field.

  • LeadSimple's per-door pricing model means property counts affect migration scope

    LeadSimple bills Operations at $1.35 per door per month, and property-count growth is a common trigger for upgrade conversations. HubSpot has no door-count concept — contacts, companies, and deals are the billing units. Teams migrating from LeadSimple often underestimate how many active properties and units they have because LeadSimple's per-door pricing doesn't surface property counts in the same way. FlitStack AI audits property and unit record counts as part of the discovery phase so migration scope is accurately scoped before pricing is finalized.

Migration approach

Six steps for a successful LeadSimple to HubSpot data migration

  1. Audit LeadSimple data export and assess property/unit record counts

    FlitStack AI pulls a full export from LeadSimple using the platform's CSV export for leads, plus API access for properties, units, and process records. We count all records by type, identify custom field definitions on contacts, properties, units, and processes, and flag any records with missing required fields. This audit produces the record-count breakdown that drives migration scope and pricing. Teams with large property portfolios should also identify which properties are active (occupied, under management) versus archived — archived records can be archived in HubSpot rather than imported as active custom object records.

  2. Create HubSpot custom objects for Property, Unit, and Process

    Before any data moves, FlitStack AI creates the HubSpot custom objects that have no native equivalent — Property, Unit, and Process — with all required custom properties mapped from the LeadSimple schema. Property and Unit custom objects are associated via a custom relationship property. Process custom object is created with stage, due date, and assigned owner properties. HubSpot admin credentials are used to create these objects in the target portal. We deliver a setup checklist so your admin can verify the custom object schema before validation begins.

  3. Resolve owners by email match and validate contact-company associations

    LeadSimple owner IDs are matched to HubSpot users by email address. Unmatched owners are flagged in a pre-migration report — your team either creates HubSpot user accounts for them or assigns their records to a designated fallback owner before migration runs. LeadSimple leads without a primary property association map to HubSpot contacts without a company link; contacts with multiple property associations are linked to a primary property record and the additional associations are noted in a custom property for reconciliation.

  4. Run sample migration with field-level diff across 100–500 records

    A representative sample migrates first — covering contacts from different pipeline stages, properties with varying occupancy, units with different lease terms, and a few process records. FlitStack AI generates a field-level diff showing source value versus destination value for every mapped field. You verify that LeadSimple tags appear correctly in HubSpot's tags__c custom property, that property associations link to the correct Unit and Property custom objects, and that owner resolution produced the expected HubSpot owner on each record. No full run commits until you sign off on the sample.

  5. Execute full migration with delta-pickup window and audit log

    Full migration runs against HubSpot's API, processing contacts, properties, units, process records, and engagement history. A 24–48 hour delta-pickup window captures any records created or modified in LeadSimple during the cutover period. Every operation is logged in an audit report — record count by object, field mapping applied, owner resolution outcome, and any records that failed with error codes. One-click rollback reverts all migrated records if reconciliation reveals unexpected data loss. After rollback window closes, the audit log is delivered as a migration certificate.

Platform deep dives

Context on both ends of the pair

LeadSimple logo

LeadSimple

Source

Strengths

  • Specialized for property management with native property, unit, and process concepts rather than generic sales objects.
  • Shared inbox bundles phone, email, and SMS with pooled usage, replacing separate VOIP and messaging tools.
  • Workflow automation built for real estate events like renewals, delinquencies, and make-readies.
  • Per-door pricing on Operations scales predictably with portfolio growth, not headcount.
  • 14-day free trial and guided onboarding with a dedicated success manager on higher tiers.

Weaknesses

  • No publicly documented API — migration depends on CSV export, which excludes Activities and Notes.
  • Email reliability issues reported by multiple users, with errors after sending or closing messages.
  • Limited integrations compared to larger property management platforms; two-way sync gaps reported.
  • Workflow rebuild required on destination — automation does not transfer in any migration scenario.
  • Small review sample size (~22 verified reviews on G2) makes it difficult to fully assess long-term reliability.
HubSpot logo

HubSpot

Destination

Strengths

  • Genuinely useful free CRM tier with no seat limit on contact records.
  • All-in-one sales engagement layer (sequences, email tracking, calling, dialer) embedded natively in the CRM, eliminating a separate integration.
  • Intuitive interface and fast onboarding for individual reps, per G2 and Capterra reviews.
  • Workflow automation triggers across contacts, deals, and tickets with a visual builder.
  • API coverage for all standard objects including custom objects at Enterprise tier.

Weaknesses

  • Pricing model is contact-based at the marketing layer — importing all records as marketing contacts can multiply the monthly bill by 4×.
  • Feature tier cliffs are frequent surprises: sequences, calling, advanced reporting, and quoting are all gated, often requiring plan upgrades mid-implementation.
  • Mandatory onboarding fees at Professional ($1,500) and Enterprise ($3,500) are not prominently disclosed on the pricing page.
  • API rate limits are restrictive for bulk migration — burst limits of 100-200 req/10sec and search endpoint limits of 4 req/sec require careful job queuing.
  • Custom objects, additional pipelines, and advanced forecasting are Enterprise-only, making cost projections difficult for growing teams.

Complexity grading

How hard is this migration?

Moderate CRM migration. 1 of 8 objects need a manual workaround.

C

Overall complexity

Moderate migration

Derived from compatibility, mapping clarity, API constraints, and data volume across LeadSimple and HubSpot.

  • Object compatibility

    C

    1 of 8 objects need a manual workaround.

  • Field mapping clarity

    C

    Field mapping is derived from defaults — final spec confirmed during the sample migration.

  • Timeline complexity

    B

    8-object category — typical timelines run 2–7 days end-to-end.

  • API constraints

    B

    LeadSimple: Not publicly documented.

  • Data volume sensitivity

    B

    LeadSimple doesn't expose a bulk API — REST + parallelization used for high-volume runs.

Estimator

Estimate your LeadSimple to HubSpot migration cost

Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.

Step 1

What are you migrating?

Pick a category, then your source and destination platforms.

Category

FAQ

Frequently asked questions about LeadSimple to HubSpot data migrations

Answers to the questions buyers ask most during LeadSimple to HubSpot migration scoping. Not seeing yours? Book a call.

Can't find your answer?

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Book a free 30 minute consultation

Most LeadSimple-to-HubSpot migrations complete in 48–72 hours of clock time for under 25,000 records across leads, contacts, properties, units, and processes. Larger setups with 250,000+ records or multiple custom objects (Property, Unit, Process) extend to 5–7 days. The longest planning step is creating HubSpot custom objects and validating the property-to-custom-object association model before data lands. Custom field count and the number of active properties in LeadSimple are the primary timeline drivers.

Adjacent paths

Related migrations to explore

Ready when you are

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