CRM migration

Migrate from Lemon Tech to HubSpot

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

Lemon Tech logo

Lemon Tech

Source

HubSpot

Destination

HubSpot logo

Compatibility

100%

12 of 12

objects map 1:1 between Lemon Tech and HubSpot.

Complexity

BStandard

Timeline

48–72 hours

Rollback included Accuracy guarantee Field-level validation

Overview

What this migration involves

Teams migrate from Lemon Tech to HubSpot CRM when they need a unified platform that connects marketing, sales, and service without requiring multiple disconnected tools. The migration carries everything Lemon Tech stores natively — contacts, companies, deals, activities, and custom fields — into HubSpot's object model with its association-based contact-to-company graph and lifecycle stage tracking. The migration mechanism uses HubSpot's native Contacts API and Companies API for standard records, with bulk import for large datasets exceeding API throughput limits. The harder problems are mapping any custom fields from Lemon Tech into HubSpot's custom property schema, preserving deal pipeline stage history as HubSpot deal stages, and resolving owner records by email match against HubSpot user accounts. FlitStack AI sequences the migration so foreign-key dependencies resolve correctly — companies land first, then contacts with their primary company associations, then deals with owner and contact role links. Activity history (calls, emails, meetings, notes) migrates as engagement records attached to the parent contact. Workflows, sequences, and automation logic in Lemon Tech do not transfer — those require a separate rebuild in HubSpot's workflow builder, and FlitStack provides an export of workflow definitions to support that rebuild.

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

Lemon Tech logo

Lemon Tech

What's pushing teams away

  • Very limited public documentation makes it difficult for new users or migrating teams to understand the data model without direct vendor engagement.
  • No publicly documented public REST API forces migrations to rely on the built-in export tooling, which may not cover all edge cases.
  • Pricing is fully custom with no transparent tier structure, making it hard to evaluate cost-effectiveness or negotiate during renewal.

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 Lemon Tech objects map to HubSpot

Each row shows how a Lemon Tech 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.

Lemon Tech

Contact / Person

maps to

HubSpot

Contact

1:1
Fully supported

Lemon Tech person records map directly to HubSpot contacts. The primary company association in Lemon Tech becomes the HubSpot contact's primary company association. Multiple company associations require HubSpot's association model — the primary company is mapped first, secondary associations are created as additional company links.

Lemon Tech

Company / Account

maps to

HubSpot

Company

1:1
Fully supported

Lemon Tech company records map 1:1 to HubSpot companies. Company hierarchies (parent/child relationships) in Lemon Tech preserve as HubSpot parent company associations. Domain-based company matching in HubSpot is enabled post-migration for automatic duplicate detection on new imports. Additional fields such as industry classification, employee count, and address details migrate directly, and any custom properties on the company object are created in HubSpot before import to ensure schema consistency.

Lemon Tech

Deal / Opportunity

maps to

HubSpot

Deal

1:1
Fully supported

Lemon Tech deal records map to HubSpot deals with deal name, amount, close date, and stage migrated. Each Lemon Tech pipeline maps to a HubSpot deal pipeline. Stage values map to HubSpot deal stages by name with probability weights re-applied from HubSpot's stage configuration.

Lemon Tech

Pipeline

maps to

HubSpot

Deal Pipeline

1:1
Fully supported

Lemon Tech pipelines become HubSpot deal pipelines. HubSpot allows multiple pipelines per portal, and each pipeline has its own set of stages with custom probability and forecast settings. Pipeline-level settings from Lemon Tech (if configurable) migrate as pipeline metadata attached to the HubSpot pipeline configuration.

Lemon Tech

Activity (Call / Email / Meeting)

maps to

HubSpot

Engagement (calls, emails, meetings)

1:1
Fully supported

Lemon Tech engagement records (calls, emails, meetings) map to HubSpot engagement records attached to parent contact. Timestamps, owners, and body content are preserved. HubSpot's engagement timeline displays these activities chronologically on each contact record. Each activity type uses its corresponding HubSpot engagement type, and attachments are referenced by URL after re‑uploading to HubSpot Files. For large volumes, FlitStack uses HubSpot's bulk import to respect API rate limits while maintaining fidelity.

Lemon Tech

Note

maps to

HubSpot

Engagement: Note

1:1
Fully supported

Lemon Tech notes migrate as HubSpot engagement notes attached to parent contact or company. Rich-text formatting in Lemon Tech notes is preserved as HTML within HubSpot's note body. Timestamp and owner attribution migrate for audit continuity. If notes contain inline images, FlitStack extracts the files, re-uploads them to HubSpot Files, and updates image URLs in the HTML to point to the new locations, preserving visual integrity.

Lemon Tech

Owner / User

maps to

HubSpot

User (Owner)

1:1
Fully supported

Lemon Tech owner records are resolved by email match against HubSpot user accounts. FlitStack AI performs an email lookup against HubSpot's user directory before migration. Records with unmatched owner emails are flagged and assigned to a designated fallback owner specified by the customer.

Lemon Tech

Custom Field / Custom Property

maps to

HubSpot

Custom Property

1:1
Fully supported

Lemon Tech custom fields on any object become HubSpot custom properties on the equivalent object. FlitStack AI creates the custom property in HubSpot with the appropriate field type (string, number, date, checkbox, picklist) before migrating data. Picklist fields require value-by-value mapping if Lemon Tech uses custom picklist values.

Lemon Tech

Custom Entity

maps to

HubSpot

Custom Object

1:1
Fully supported

Lemon Tech custom entities map to HubSpot custom objects (available on HubSpot Professional and Enterprise tiers). Custom entity associations that use N:N relationships in Lemon Tech require HubSpot custom relationship definitions. FlitStack maps the association schema and validates relationship integrity post-migration.

Lemon Tech

Attachment / File

maps to

HubSpot

Files

1:1
Fully supported

Lemon Tech file attachments on records re-upload to HubSpot Files and are linked back to the parent record. File size limits apply per HubSpot's file storage configuration (25MB per file). Inline images in notes are extracted, rehosted, and the reference URLs are updated in the note body.

Lemon Tech

Lifecycle Stage

maps to

HubSpot

Lifecycle Stage (contact property)

1:1
Fully supported

If Lemon Tech tracks a lifecycle or status property on contacts, that value maps to HubSpot's lifecycle_stage property by value. Lemon Tech records without a lifecycle value default to 'lead' in HubSpot. Customers can override this default mapping during the planning phase.

Lemon Tech

Lead Status

maps to

HubSpot

Lead Status (contact property)

1:1
Fully supported

Lemon Tech lead status values map to HubSpot's hs_lead_status property. Custom status labels in Lemon Tech require explicit value-by-value mapping against HubSpot's lead status pick-list options. Status history (timestamps) is preserved as a custom datetime property for reporting continuity. During migration, FlitStack validates that each mapped status value exists in HubSpot's pick-list; any missing values are flagged for customer review before the import runs to avoid data rejection.

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.

Lemon Tech logo

Lemon Tech gotchas

High

No public API for bulk data extraction

Medium

SQL Wrapper complexity varies by definition

Low

Custom entity naming conventions are customer-specific

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

  • HubSpot lifecycle stage requires explicit value mapping from Lemon Tech status fields

    HubSpot enforces lifecycle stages as a required contact property in its native model, but Lemon Tech may store lifecycle information in a custom field or not at all. If Lemon Tech tracks a status property, FlitStack AI maps it to HubSpot's lifecyclestage by value. Records without a mapped value default to 'lead'. Customers must confirm the mapping during planning because HubSpot's lifecycle stages drive marketing automation enrollment triggers and contact ownership logic in HubSpot's workflow builder. The default fallback (lead) may not reflect the true stage in Lemon Tech and can affect HubSpot reporting accuracy post-migration.

  • Multi-company contacts require HubSpot association setup and validation

    Lemon Tech supports N:N contact-to-company associations natively, where one contact can be linked to multiple companies with a designated primary. HubSpot's contact model also supports multiple company associations but uses a primary-company designation and additional company links. FlitStack AI migrates the primary company first and creates secondary associations using HubSpot's association labels (Board Member, Contractor, Decision Maker, Executive, Influencer, IT, Marketing, Operations, Other, Partner, Sales, Support). Customers specify which association label to apply for secondary companies during the planning phase. Misconfigured associations can cause HubSpot reporting to miss contacts in company-based dashboards.

  • Deal contact roles and association labels need HubSpot-specific configuration

    Lemon Tech deals may include contact role information (who is involved in a specific deal beyond the primary contact). HubSpot's deal-contact association uses a different model where contacts are associated to deals as deal contacts, and the primary contact on a deal is designated separately. Non-primary deal contacts in Lemon Tech require mapping to HubSpot deal-contact associations, and the association type (Economic Buyer, Decision Maker, Evaluator, Influencer, Champion) must be set explicitly in HubSpot's deal contact role field. FlitStack validates deal-contact role counts after migration and flags discrepancies above a configurable threshold.

  • HubSpot API rate limits affect migration throughput for large activity histories

    HubSpot's Contacts and Companies APIs enforce rate limits that vary by HubSpot plan tier (100–100,000 calls per day depending on tier). For migrations with large activity histories (thousands of call logs, emails, or meeting records), FlitStack AI switches to HubSpot's bulk import mechanism (CSV upload via HubSpot's import tool) to avoid rate limit throttling. Bulk import bypasses real-time API calls for activity records but requires the activity data to be formatted in HubSpot's specific import schema. FlitStack handles the transformation and validates import results against the source record count.

  • Custom fields on custom entities require HubSpot custom object schema creation

    If Lemon Tech uses custom entities with custom fields that have no direct HubSpot standard object equivalent, FlitStack AI creates HubSpot custom objects to receive them. Custom objects are available on HubSpot Professional and Enterprise tiers only. If the destination HubSpot account is on Starter or Free tier, those custom entities cannot be migrated until the account is upgraded. FlitStack flags any custom entity migration that requires tier upgrade before the migration run and provides an upgrade checklist itemized by entity name and record count.

Migration approach

Six steps for a successful Lemon Tech to HubSpot data migration

  1. Audit Lemon Tech data model and map to HubSpot schema

    FlitStack AI ingests the Lemon Tech data export (API pull or database backup) and catalogs all objects, fields, custom entities, and association types. We produce a field-level mapping spreadsheet that pairs each Lemon Tech field with its HubSpot equivalent, noting which fields require custom property creation in HubSpot. This mapping document is reviewed and approved by the customer's HubSpot admin before migration proceeds. The audit also identifies data quality issues (duplicate records, missing required fields, malformed values) that require cleaning before import.

  2. Resolve owners by email match against HubSpot users

    Before any records migrate, FlitStack AI performs an owner resolution pass. Each Lemon Tech owner record is matched against HubSpot user accounts by email address. Records with matched owners receive the correct HubSpot owner ID. Records with unmatched owners are flagged and held in a quarantine list. The customer specifies a fallback owner (or chooses to invite the unmatched users to HubSpot before migration). No contact or deal migrates without a resolved owner unless explicitly approved by the customer during the planning phase.

  3. Migrate companies first, then contacts, then deals with dependency ordering

    HubSpot requires company records to exist before contacts can associate to them (via the primary_company association). FlitStack sequences the migration to satisfy foreign-key dependencies: companies land first, contacts follow with their primary company link resolved, and deals migrate last with owner ID and deal-contact associations resolved. This sequencing ensures that HubSpot's referential integrity checks pass during import and that HubSpot's company-contact counts and deal rollup calculations reflect the correct data immediately after migration.

  4. Run a sample migration with field-level diff before full run

    FlitStack AI executes a representative sample migration — typically 100–500 records spanning contacts, companies, deals, and a sample of activity records — before committing the full dataset. The sample run generates a field-level diff report comparing source values against destination values for every mapped field. Customers review the diff to verify that lifecycle stage mapping, deal stage mapping, owner resolution, and association labels are correct. Approval of the sample diff is required before the full migration run is scheduled.

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

    The full migration runs against the live HubSpot portal using the approved mapping. A delta-pickup window (typically 24–48 hours) runs concurrently, capturing any records created or modified in Lemon Tech during the cutover period. FlitStack AI generates a full audit log of every record created, updated, or skipped, with source ID, destination ID, and operation timestamp. One-click rollback is available if reconciliation fails or if the customer identifies a mapping error in the first 24 hours post-migration. Rollback restores the destination to its pre-migration state and triggers a re-run with corrected mapping.

Platform deep dives

Context on both ends of the pair

Lemon Tech logo

Lemon Tech

Source

Strengths

  • Purpose-built for professional services with native support for Matters, time entries, and billing records.
  • Custom entities and SQL Wrappers provide flexibility for complex data requirements.
  • Entity-level export function supports both standard and custom entity types in a migration-compatible format.

Weaknesses

  • No publicly available API documentation limits automation options for migrations.
  • Very limited online community or third-party resources for troubleshooting.
  • Fully custom pricing model with no published benchmarks or self-service tier information.
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?

Standard CRM migration. 1 of 8 objects need a mapping; the rest are 1:1.

B

Overall complexity

Standard migration

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

  • Object compatibility

    B

    1 of 8 objects need a mapping; the rest are 1:1.

  • 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

    Lemon Tech: Not publicly documented.

  • Data volume sensitivity

    B

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

Estimator

Estimate your Lemon Tech 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 Lemon Tech to HubSpot data migrations

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

Can't find your answer?

Walk through your Lemon Tech to HubSpot migration with a real engineer — 30 minutes, free, written quote within 24 hours.

Book a free 30 minute consultation

Most Lemon Tech to HubSpot migrations complete in 48–72 hours of clock time for under 50,000 total records (contacts, companies, deals). Larger datasets with 500k+ records or complex custom entity schemas extend to 7–10 days. The longest planning step is mapping custom fields and Lemon Tech pipeline stages to HubSpot deal stages, which requires customer review of the mapping spreadsheet. The actual data movement runs within 24–48 hours once the mapping is approved.

Adjacent paths

Related migrations to explore

Ready when you are

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