CRM migration

Migrate from Function 365 to HighLevel

Field-level mapping, validation, and rollback between Function 365 and HighLevel. We move data and schema; workflows are rebuilt natively in HighLevel.

Function 365 logo

Function 365

Source

HighLevel

Destination

HighLevel logo

Compatibility

100%

12 of 12

objects map 1:1 between Function 365 and HighLevel.

Complexity

BStandard

Timeline

48–72 hours

Rollback included Accuracy guarantee Field-level validation

Overview

What this migration involves

Function 365 and HighLevel both organize data around contacts, companies, and deals, but their underlying data models diverge significantly in how they handle pipelines, automations, and marketing-specific attributes. Function 365 stores deal-stage history and contact scores as native fields; HighLevel uses Opportunities with stage pick-lists and Tags for behavioral labeling. The migration carries all standard objects (contacts, companies, deals, tasks, notes, users) plus any custom fields into HighLevel's corresponding objects. FlitStack AI sequences the migration by resolving foreign keys first — companies into Businesses, then contacts linked by company_id, then deals linked to contacts and companies — before running a sample migration with field-level diff. Workflows, sequences, and automation logic do not transfer; we export workflow definitions as a rebuild reference for HighLevel's Workflow builder. The migration uses scoped read access on Function 365 so your team keeps working during cutover, with a 24–48 hour delta-pickup window capturing in-flight changes before final reconciliation.

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

Function 365 logo

Function 365

What's pushing teams away

  • Functional Medicine + private-healthcare niche means general medical practices, NHS-primary settings, or non-UK clinics often have a tighter fit with Cliniko, Pabau, or country-specific PMS.
  • Implementation requires a paid specialist session (£55/session) plus optional onsite training (£350) — small clinics that expected pure self-serve may find the onboarding gate frustrating.
  • Smaller installed base than Cliniko, Pabau, or Halaxy means fewer integrations, fewer third-party services, and less peer benchmarking for procurement.
  • No public API documentation surfaced in research; integration with lab vendors, payment processors, or downstream EHRs may require vendor coordination.
  • Solo Practitioner tier (£132/month) is steeper than freemium-style PMS competitors; smallest practices may find the entry price hard to justify against single-clinician alternatives.

Choosing

HighLevel logo

HighLevel

What's pulling them in

  • Agencies choose HighLevel to consolidate CRM, email, SMS, scheduling, and funnels into one subscription, eliminating monthly bills for five to ten separate SaaS tools they previously stitched together.
  • The flat-rate pricing model bills per sub-account rather than per contact, so growing a contact database from 1,000 to 100,000 records does not trigger a billing surprise—a common pain point avoided by migrating customers.
  • White-label and sub-account capabilities let agencies resell HighLevel access to their own clients, turning a software cost center into a recurring revenue stream that justifies the subscription.
  • The platform ships a 14-day free trial with no credit card required, giving teams a low-friction entry point to validate fit before committing to the $97/month Starter tier.
  • Marketing agencies managing multiple client accounts use sub-accounts to maintain data isolation per client while operating under a single agency billing relationship with HighLevel.

Object mapping

How Function 365 objects map to HighLevel

Each row shows how a Function 365 object lands in HighLevel, including any object-level transformations, lookup resolution, or schema-design dependencies.

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

Function 365

Contact

maps to

HighLevel

Contact

1:1
Fully supported

Function 365 contact records map directly to HighLevel contacts. Every contact field (name, email, phone, address) transfers as-is. Contacts linked to companies use the company_id lookup — we ensure the company record exists in HighLevel before contacts land so the relationship is preserved.

Function 365

Company / Organization

maps to

HighLevel

Business

1:1
Fully supported

Function 365 company records map to HighLevel businesses. Company name, domain/website, industry, employee count, annual revenue, phone, and address fields transfer to the matching HighLevel business fields. Multi-location companies from Function 365 become multiple Business records, each tagged to preserve location grouping within HighLevel.

Function 365

Deal / Opportunity

maps to

HighLevel

Opportunity

1:1
Fully supported

Function 365 deals with stage, amount, close date, and owner map to HighLevel Opportunities. The critical transformation is mapping Function 365 deal stages to HighLevel pipeline stage pick-lists — each distinct stage value in Function 365 requires a corresponding stage in the target HighLevel pipeline before mapping can proceed.

Function 365

Pipeline

maps to

HighLevel

Pipeline

1:1
Fully supported

Function 365 pipelines map to HighLevel pipelines 1:1. Each pipeline in Function 365 becomes a separate pipeline in HighLevel with its own set of stage values. We extract all pipeline names and stage definitions from Function 365 before creating the corresponding pipeline structure in HighLevel.

Function 365

Task

maps to

HighLevel

Task

1:1
Fully supported

Function 365 tasks migrate to HighLevel tasks with subject, due date, assigned user, and completion status preserved. The original task owner is resolved by email match against HighLevel users. Open tasks in Function 365 land as open tasks in HighLevel; completed tasks retain their completion timestamps.

Function 365

Note / Annotation

maps to

HighLevel

Note

1:1
Fully supported

Function 365 notes map to HighLevel notes with body text, associated contact or deal link, and creation timestamp preserved. Rich-text formatting in Function 365 notes is simplified to plain text in HighLevel notes. Notes without a parent record attach to the contact specified in the migration plan.

Function 365

User / Staff

maps to

HighLevel

User

1:1
Fully supported

Function 365 user records resolve to HighLevel users by email address. Active users in Function 365 become active users in HighLevel. Inactive or archived users are flagged for review — they can be invited to HighLevel before migration or assigned as a fallback owner for records where the original assignee does not exist in HighLevel.

Function 365

Custom Field Data

maps to

HighLevel

Custom Field

1:1
Fully supported

Any custom fields on contacts, companies, or deals in Function 365 require a corresponding custom field to be created in HighLevel before migration. We extract the full custom-field schema — field name, data type, pick-list values — and create matching custom fields in HighLevel as part of the pre-migration setup phase.

Function 365

Tag / Label

maps to

HighLevel

Tag

1:1
Fully supported

Function 365 tags applied to contacts or companies migrate as HighLevel tags. Tags represent behavioral or categorical labels (e.g., 'hot-lead', 'enterprise') and transfer as a flat list. If a contact in Function 365 has multiple tags, all of them are applied to the corresponding HighLevel contact.

Function 365

Quote / Estimate

maps to

HighLevel

Not Available

1:1
Fully supported

Function 365 quotes or estimates do not have a native equivalent in HighLevel's base CRM. Quotes migrate as attachments linked to the Opportunity record, preserving the document content for reference. HighLevel's Products feature can be used to recreate line items manually after migration.

Function 365

Activity / Engagement History

maps to

HighLevel

Activity

1:1
Fully supported

Call logs, emails, and meeting records from Function 365 surface as activity entries linked to the contact in HighLevel. Each activity type (call, email, meeting) maps to its corresponding HighLevel activity type. Original timestamps and activity owners are preserved in the migration.

Function 365

Workflow / Automation

maps to

HighLevel

Workflow

1:1
Fully supported

Workflows and automation rules in Function 365 do not migrate — they must be rebuilt in HighLevel's Workflow builder. We export a machine-readable summary of your Function 365 workflow definitions (trigger events, conditions, actions) as a rebuild reference so your team can reconstruct each automation in HighLevel with equivalent logic.

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.

Function 365 logo

Function 365 gotchas

High

AI-assisted notes are proprietary — verify clinical-record export coverage

High

NHS Number format must be preserved exactly

Medium

Implementation specialist time is paid extra at £55/session

Medium

GDPR consent timestamps are regulatory artefacts

HighLevel logo

HighLevel gotchas

High

Sub-account architecture creates isolated data silos per client

High

Usage-based telecom and AI costs are not in the subscription price

Medium

Workflows have no native equivalent in most destination CRMs

Medium

API rate limits cap bulk migration throughput at 100 requests per 10 seconds per sub-account

Low

White-label configuration and branding assets do not export via API

Pair-specific challenges

  • Pipeline-to-Opportunity mapping requires pre-created HighLevel pipelines

    Function 365 deal records carry a pipeline reference and stage value, but HighLevel requires the pipeline to exist in the destination before Opportunity records can be assigned to it. If the pipeline and its stages are not pre-created in HighLevel, the migration engine cannot resolve the stage pick-list value and will either skip the record or land it in an unassigned state. We extract your full Function 365 pipeline schema — pipeline names, stage values, stage order, and probability percentages — before migration and deliver a pipeline-setup checklist for HighLevel so the schema is ready before data moves.

  • Custom fields must be created in HighLevel before the migration run

    Function 365 supports custom fields on contacts, companies, and deals. HighLevel also supports custom fields, but they must be created in the HighLevel UI or API before data can be written into them. If a custom field in Function 365 has no corresponding field in HighLevel, the data for that field is dropped during migration unless a custom field was pre-created to receive it. We audit your Function 365 custom field schema during the planning phase and deliver a field-creation manifest for HighLevel, listing each field name, data type, and pick-list options that need to exist before the migration run.

  • Owner resolution by email can leave orphaned records without pre-invitation

    Function 365 user records map to HighLevel users through email address matching. If a Function 365 user has no corresponding user in HighLevel at migration time, their records are assigned to a fallback owner designated in the migration plan. If no fallback is set, the record lands without an owner, which affects accountability in HighLevel reports. We run an owner-resolution audit before migration and flag any Function 365 users without a HighLevel match so your team can decide whether to invite them or assign a fallback.

  • Workflows and automations require manual rebuild in HighLevel's Workflow builder

    Function 365 workflows and automation sequences — including lead routing rules, follow-up triggers, and sequence-based outreach — do not have an equivalent export format that transfers to HighLevel. The logic must be reconstructed manually in HighLevel's Workflow builder, which uses a trigger-action model that differs from Function 365's automation paradigm. We export your Function 365 workflow definitions as structured documentation (trigger events, conditions, actions, and delays) so your HighLevel admin can reference them when rebuilding each automation. The rebuild work is a manual step that runs in parallel with or after data migration.

  • Quote and pricing data requires manual reconstruction with HighLevel Products

    Function 365 quotes or estimates with line items do not map to a native HighLevel object. HighLevel has a Products feature for managing pricing catalogs, but quotes with specific negotiated terms must be rebuilt manually after migration. We can migrate quote data as file attachments on the associated Opportunity record for historical reference, but the structured quote object does not exist in HighLevel's base schema. If your Function 365 quotes contain critical historical data, discuss converting them to HighLevel Products as part of your post-migration workflow.

Migration approach

Six steps for a successful Function 365 to HighLevel data migration

  1. Audit Function 365 schema and extract pipeline and custom-field definitions

    Before moving any data, we extract the full schema from Function 365 — all object definitions, custom field names and types, pipeline names and stage values, and user list. We cross-reference this against HighLevel's native schema to identify which fields map directly, which require value mapping, and which require custom fields to be created in HighLevel. We deliver a schema-diff report and a HighLevel setup checklist so your admin creates the necessary custom fields and pipelines before data is written.

  2. Resolve owner and user mappings by email

    Function 365 users are matched to HighLevel users by email address. We generate an owner-resolution report listing every Function 365 user, their mapped HighLevel user (or 'unmatched' status), and the fallback owner assigned for unmatched cases. Your team reviews the report and either invites unmatched users to HighLevel or confirms the fallback assignment. No record migrates without a confirmed HighLevel owner.

  3. Migrate Businesses and Contacts before Deals and Opportunities

    HighLevel requires Businesses to exist before Contacts can be linked via the Business Id field, and requires Contacts to exist before Opportunities can use them in contact-role associations. We sequence the migration in dependency order: Businesses first, then Contacts with company links resolved, then Opportunities with contact and owner links resolved. This ordering ensures all foreign keys are valid when each batch lands in HighLevel, avoiding orphaned records.

  4. Run a sample migration with field-level diff

    A representative slice of records — typically 100 to 500 covering contacts, companies, deals, and tasks — migrates first. We generate a field-level diff comparing source values against destination values for every mapped field, flagging any transformation anomalies before the full run. You review the sample diff to confirm that pipeline mapping, owner resolution, and custom field values are correct. The sample migration must be approved before we commit to the full run.

  5. Execute full migration with delta-pickup window

    The full migration runs against HighLevel using the validated mapping from the sample phase. A delta-pickup window of 24 to 48 hours captures any records created or modified in Function 365 during the cutover window so HighLevel reflects the final state of your Function 365 data at go-live. All operations are logged in an audit trail. One-click rollback is available if reconciliation identifies unexpected discrepancies after the full run completes.

Platform deep dives

Context on both ends of the pair

Function 365 logo

Function 365

Source

Strengths

  • Integrated PMS (booking, notes, prescriptions, billing, lab orders, telehealth) in one product.
  • GDPR and HIPAA support built into the data model.
  • Transparent per-licence published pricing on the vendor shop.
  • AI-assisted clinical note generation reduces practitioner admin time.
  • Tiered licence pricing rewards larger practices with lower per-seat cost.

Weaknesses

  • Niche fit (UK private healthcare + Functional Medicine) — not suited for NHS-primary or non-UK general practice.
  • Implementation specialist time billed separately (£55/session) plus £350 onsite training.
  • Smaller installed base than Cliniko/Pabau means thinner integration ecosystem.
  • No public API documentation visible in research.
  • Solo Practitioner price (£132/month) higher than some freemium-style PMS competitors.
HighLevel logo

HighLevel

Destination

Strengths

  • Consolidates CRM, marketing automation, email, SMS, scheduling, and funnels into one platform at a predictable flat monthly rate.
  • Supports unlimited contacts and unlimited users on all paid tiers, removing per-record billing anxiety as databases grow.
  • Offers white-label and sub-account capabilities that let agencies resell access and manage multiple client environments under one billing relationship.
  • Includes built-in review management, reputation monitoring, and AI agents as native features rather than third-party add-ons.
  • Exports Contacts and Companies via a scalable async bulk CSV system that handles multi-million-row datasets without blocking the UI.

Weaknesses

  • The breadth of features creates a steep learning curve; advanced automations and Workflow configuration require significant time investment that smaller teams may not recover.
  • The platform charges usage-based fees for telecommunications and AI features that are not included in the base subscription, leading to bill surprises.
  • Recurring user reports on Reddit and G2 describe bugs, errors, and slow support response times that disrupt live marketing and sales operations.
  • Sub-account architecture, while powerful for agencies, adds migration complexity when identifying which client data lives in which isolated environment.
  • The platform is designed for agencies and SMBs; larger enterprises requiring deep reporting, custom objects at scale, or complex role-based access may outgrow its capabilities.

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 Function 365 and HighLevel.

  • 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

    Function 365: Not publicly documented.

  • Data volume sensitivity

    B

    Function 365 doesn't expose a bulk API — REST + parallelization used for high-volume runs.

Estimator

Estimate your Function 365 to HighLevel 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 Function 365 to HighLevel data migrations

Answers to the questions buyers ask most during Function 365 to HighLevel migration scoping. Not seeing yours? Book a call.

Can't find your answer?

Walk through your Function 365 to HighLevel migration with a real engineer — 30 minutes, free, written quote within 24 hours.

Book a free 30 minute consultation

Most Function 365 to HighLevel migrations complete in 48 to 72 hours of clock time for under 25,000 records. The longest phase is schema preparation — creating HighLevel pipelines, stages, and custom fields to match Function 365's structure — which runs 1 to 3 days before data movement begins. Larger setups with over 250,000 records or complex custom-object configurations extend to 5 to 10 days. The pre-migration planning step (schema audit and owner resolution) typically takes 2 to 4 business days on your side to confirm the setup checklist.

Adjacent paths

Related migrations to explore

Ready when you are

Move from Function 365.
Land in HighLevel, intact.

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