HubSpot Service Hub to Zendesk Migration

KEY CHALLENGES

What makes this migration complex

These are the architectural mismatches and technical hurdles specific to a HubSpot Service Hub to Zendesk migration.

Most Critical

CRM Decoupling Architecture Decision

Every HubSpot ticket is tied to CRM Contact, Company, and Deal records with a shared activity timeline, so the team must decide whether to keep HubSpot CRM alongside Zendesk (requiring a permanent integration dependency) or depart entirely (requiring a replacement CRM and broader migration scope).

Blocks all downstream imports if mapped wrong

Engagement-to-Comment Transformation

Reconstructing full conversation threads requires 3–5 API calls per ticket across HubSpot's Tickets, Engagements, and Associations APIs to extract emails, notes, calls, and tasks, then restructure them as Zendesk public or internal comments with preserved author attribution and timestamps.

Cross-Object Workflow Decomposition

HubSpot Workflows can span objects—triggering on a contact property change to update a ticket—while Zendesk triggers and automations are strictly ticket-scoped, requiring each cross-object Workflow to be decomposed into ticket-scoped logic in Zendesk and CRM-scoped logic in HubSpot or middleware.

Multi-Contact Association Resolution

HubSpot tickets can be associated with multiple contacts, but Zendesk tickets support only a single requester, so teams must define rules to select a primary contact and handle additional contacts as CCs, followers, or internal notes.

Custom Property Pruning and Remapping

HubSpot instances often carry 50–200+ custom properties, and migrating all of them creates an agent workspace cluttered with irrelevant fields, requiring a property audit that typically reduces the migrated field count by 40–60% through must-have/drop classification.

Pipeline-to-Form/Group/View Mapping

Multiple HubSpot ticket pipelines with custom stages must be mapped to Zendesk's combination of ticket forms, groups, views, and custom statuses (Enterprise-only), which fundamentally changes how agents see fields, route tickets, and manage queues.

MIGRATION RISK ASSESSMENT

Every migration risk, already solved

Migration between platforms is full of edge cases. Our engineers have identified every risk from HubSpot Service Hub to Zendesk and built proven solutions for each one.

High complexity

Ticket Comments (Engagements)

Each HubSpot engagement type (email, note, call, task) must be extracted via separate API endpoints and restructured into Zendesk comments with correct visibility, author attribution, and chronological ordering.

Solved
Workflows / Automations

Cross-object HubSpot Workflows have no Zendesk equivalent and must be manually decomposed into ticket-scoped triggers, time-based automations, and external middleware, with no automated conversion path.

Solved
NPS/CES Surveys and Playbooks

HubSpot's NPS/CES feedback surveys and Playbooks have no native Zendesk equivalents, requiring third-party tools or complete replacement with Zendesk's CSAT survey or marketplace apps.

Solved

Custom engineering

Custom Fields / Properties

Type matching between HubSpot and Zendesk field types is straightforward for basic types, but calculated and score properties can only be migrated as static values frozen at migration time, and dropdown options must be pre-created.

Handled
Ticket-Contact Associations

HubSpot's many-to-many ticket-contact associations must be collapsed to Zendesk's single-requester model, with secondary contacts handled as CCs or followers, risking loss of association context.

Handled
SLA Policies

SLA policies must be manually recreated in Zendesk's more granular multi-policy system, and historical SLA compliance data does not transfer between platforms.

Handled
Knowledge Base Articles

Articles can be migrated to Zendesk Guide, but HubSpot's knowledge base structure, custom templates, and content formatting may require rework to fit Zendesk Guide's theme and content block architecture.

Handled

Clean transfer

Tickets

Tickets migrate one-to-one via Zendesk's Ticket Import API with original timestamps preserved, though pipeline stages must be mapped to Zendesk statuses or custom statuses.

Clean
Contacts / End Users

Core identity fields like name, email, and phone map directly to Zendesk end users, though CRM-specific properties such as lifecycle stage and lead status have no native equivalent.

Clean
Companies / Organizations

Company name and domain map directly to Zendesk organizations, but CRM properties like revenue and employee count require custom organization fields or are left behind.

Clean

What Our Customers Say

Real migration stories

Reviewed on G2

“Out of all the vendors we spoke with, ClonePartner was a clear winner in showing expertise and confidence in migration. The project entailed moving ~500 support articles and ~3200 cases into an existing Zendesk instance over a 2 month timeline — a huge time saver, as we previously did a similar support migration in-house which took a whole year. Their ability to act quickly in modifying their API scripts to meet our ticket and article requirements helped build our confidence in meeting our deadlines.”

Reviewed on G2

“The ease of the process and that ClonePartner was informing me what was going on at every step. If you're on the fence, do it. ClonePartner are great!”

Direct Review

“They were SO helpful. We had a few hiccups because our migration was in the middle of the process, but they were really flexible and did multiple delta migrations for us. We were able to map a lot of our old ticket data so it's usable for comparisons in the future.”

Direct Review

“Overall a great experience. We had to go back a few times to get everything just right, which was totally expected. The transition was smooth, and there was no data loss.”

Direct Review

“One of the easiest migrations I've ever been through. The team took care of everything — all our data, customer interactions and macros. The process was clear, straightforward and we felt supported all the way. An absolutely seamless experience for our support team and our customers.”

See all customer stories →

CUSTOM MIGRATION

Fully customizable engineer-led migration

Tailor your migration from HubSpot Service Hub to Zendesk exactly to your needs with our flexible customization options. Our experts will configure the perfect migration plan for your business.

Migration Filters

Data Types

MIGRATION TIMELINE

Your HubSpot Service Hub to Zendesk migration, step by step

See how long your migration will take from start to finish. Drag the slider to estimate based on your data volume.

How many records are you migrating?

<10K 50K 100K 250K 500K 1M 2M 5M 10M+

Checklist ~3 days

Sample 1 day

Review ~2 days

Full 2 days

Delta 1 day

Your team ClonePartner

Estimated total

~9 business days

Migration Checklist

1 day · ClonePartner ~2 days · Your team

We prepare the optimal data mapping as a shareable spreadsheet. Your team reviews, approves, and adds any customizations.

Sample Migration

1 day · ClonePartner

We run a test migration with a representative sample of your data to verify mapping accuracy and identify any potential issues before the full run.

Review & Approve

~2 days · Your team

Your team reviews the sample migration results, confirms data accuracy and mapping, and gives the go-ahead for the full migration.

Full Migration

2 days · ClonePartner

We execute the complete migration of all your data to your new Zendesk, with real-time progress tracking and comprehensive logging.

Delta Migration

1 day · ClonePartner

We capture and transfer any new data that was added or updated during the main migration to ensure no data is lost. This final sync keeps everything current.

Pros and cons of different migration options

Choosing the right approach is key because migrating from HubSpot Service Hub to Zendesk isn't just about moving data – it's about protecting customer relationships.

Feature / Criteria	ClonePartner	Automated Tools	CSV Import	In-house migration
Custom Scripting for complex data	✓ Engineers build & maintain	✗ No	⚠ Manual	✓ Yes – but costly
Sandbox & Pilot Migrations	✓ Full sandbox + pilot plans	⚠ Limited	✗ No	⚠ Often Informal
Manual validation & reconciliation	✓ Automated + manual QA	✗ No	✓ Yes (Manual)	✓ Heavy manual effort
Backup & rollback plan	✓ Robust procedures	✗ No	✗ No	⚠ Often incomplete
Handles automation and integrations	✓ Full support	⚠ Partial	✗ No	⚠ Possible but fragmented
Post-migration engineer support	✓ Dedicated engineers	✗ No	✗ No	⚠ Limited SLA
Adaptable to API changes	✓ Proactive adaptation	✗ No	⚠ Manual fixes	⚠ Slower response
Turnaround / SLA predictability	✓ Predictable SLAs	⚠ Fast but brittle	⚠ Slow and manual	⚠ Often slower
Data Security & Compliance	✓ High – enterprise grade	⚠ Medium (depends)	⚠ Low (manual)	⚠ Hidden gaps common
Pricing predictability	✓ Transparent & fixed	⚠ Low (per-job)	⚠ Low (manual hours)	⚠ High/variable OPEX
End-to-end project management	✓ Full E2E delivery & PM	✗ No	✗ No	⚠ Often partial
Business impact & opportunity cost	✓ No diversion of staff	✗ No	✗ No	⚠ Diverts engineering

What does an Engineer-led migration mean anyway?

Speed & Accuracy: Our Blended Method

We blend automation (smart scripts, bulk APIs) with human expertise for speed without risk. Our engineers manually check every mapping, validation, and exception.

You get:

Speed of automation for bulk record migration
Precision of engineers verifying integrity and business logic
Pilot migrations and sandbox testing to catch issues early
Real-time validation reports and rollback readiness

Result: 50x faster migrations than manual imports — with near-zero error rates.

Handling the Tricky Tech and API Details

The HubSpot Service Hub and Zendesk APIs each behave differently, which is where our engineers shine. We build custom logic to handle the data quirks where generic tools typically break.

We handcraft API logic for:

Field mapping and transformation
Pagination, rate-limit handling, and throttling
Preserving conversation threads, attachments, and internal notes
Syncing custom fields, SLAs, and macros without breaking structure

Our scripts: Natively retry failed calls, re-queue large attachments, and ensure data parity.

No Guesswork

We don't just promise smooth migrations—we measure and prove them. Every client receives a Migration Validation Report with all metrics.

Typical results across projects:

100% record-count parity between your HubSpot Service Hub data and Zendesk
Zero downtime during staged cutovers
99.9% attachment integrity (verified via checksum)
Full automation and preservation of all business rules

Our standard: Includes full SLA preservation and 30 days of engineer-assigned support post go-live.

We Adapt to Your Setup (Not the Other Way Around)

No two teams configure HubSpot Service Hub or Zendesk exactly the same way—with unique automations and data. We customize every migration script to fit your exact workflow, tags, and triggers.

Our engineers adapt for:

Custom fields, ticket forms, and workflows
Multi-brand or multi-language setups
Historical imports and partial (date-based) migrations
Integration re-mapping for CRMs, chat, or feedback tools

The promise: If your data doesn't fit a standard template, we build one just for you.

Enterprise-Grade Security & Compliance

Your customer data is precious. Our migration process maintains the highest standards of security and regulatory compliance.

SOC 2 Type II

Independently audited compliance with rigorous security standards

ISO 27001

Certified information security management system

GDPR

Full compliance with EU data protection regulations

HIPAA

Certified for handling protected health information

AES-256 Encryption

Bank-grade encryption for all stored credentials

Latest TLS

Secure transfer protocol for all data in transit

Role-Based Access

We follow role-based access control for every migration project

Scheduled Deletion

Automatic data purging after migration completion

FAQ

Frequently Asked Questions

Everything you need to know about migrating from HubSpot Service Hub to Zendesk. Can't find what you're looking for? Talk to our team.

HubSpot Service Hub → Zendesk 6 Before you start 2 Data & mapping 2 Timeline & downtime 3 Security & access 1 Pricing 1 After go-live 5

Still have questions?

Book a free 30-minute consultation with our team.

Contact our team

HubSpot Service Hub → Zendesk

6 questions

Why are thousands of old 'open' tickets suddenly showing up after our migration?

Some helpdesks (like Gorgias) use folder-based views that can keep old, never-formally-closed tickets out of sight indefinitely. Zendesk's views surface every open ticket regardless of age, so tickets that were technically still open — sometimes for years — can all become visible at once after migration. This isn't a migration error; we can help bulk-close dormant tickets by a cutoff date you choose so your team only sees what's actually live.

Why did Zendesk assign closed tickets to one person's name instead of leaving them unassigned?

Zendesk requires every closed ticket to have an assignee. If migrated tickets have none — common coming from a platform like Gorgias that doesn't require one — bulk-closing them in Zendesk assigns them to whichever account authorized the API connection used for the migration, which can skew per-agent reporting if left as-is. We flag this before running a bulk close so you can tell us who they should be assigned to instead.

If we run one last sync after switching our support email over, will it create duplicate tickets?

Yes — if your support email is already connected to the new platform and tickets are flowing in there directly, running a delta sync afterward can pull in the same tickets a second time, since they now exist on both platforms simultaneously. We coordinate sync timing tightly with your email cutover to avoid this, and will flag it if a requested sync falls after your switchover point.

If a ticket needs to be deleted and reimported to fix an issue, does that change its timestamps or history?

No — reimporting a ticket to fix an issue (for example, broken inline images) preserves its original timestamps, ticket history, and other ticket information. Tickets that were modified after the original migration are excluded from any reimport, since overwriting them would lose updates made on the new platform.

Do tags and macros migrate over along with tickets, or only the tickets themselves?

Yes. The sample and full migration include tickets along with their associated tags, so any tags on migrated tickets carry over as part of the ticket data — and all macros are migrated as well.

What happens to tickets owned by agents who don't have an account in the new system?

Tickets owned by agents who don't have a usable account in the destination platform come across unassigned, but are tagged Assigned_to_<name> so nothing is lost and they can still be identified and reassigned later.

Before you start

2 questions

Do I need professional help for this migration?

While simple migrations can sometimes be handled in-house, professional help ensures zero data loss, proper field mapping, and preservation of relationships between records. Our engineer-led approach catches edge cases that automated tools miss.

Does ClonePartner provide guidance before committing?

Yes. We provide a free consultation and assessment. We'll review your data structure, discuss your requirements, and provide a detailed migration plan and fixed-price quote before you commit to anything.

Data & mapping

2 questions

Will original ownership and authorship on tickets and articles be preserved?

Yes — ownership, author, and created-time metadata are preserved. Where the target doesn't have a native owner field (e.g. tickets becoming list items), this is carried as embedded metadata on the migrated record.

If the new system can't natively support an old record type, what are my options?

We handle it case by case: map it to the closest native object, create a custom field or object, fold it into the parent record as text or an internal note, attach it as a file, or keep it in a read-only archive. You see how your chosen approach looks in a sample migration before we run the full set.

Timeline & downtime

3 questions

How long does the HubSpot Service Hub to Zendesk migration take?

Most migrations complete within 1–5 business days, depending on data volume and complexity. We provide a detailed timeline after the initial assessment and can often complete small migrations in under 24 hours.

Will my team lose access to HubSpot Service Hub during the migration?

No. Your source system remains fully operational throughout the entire migration. We run the migration in the background with zero downtime to your current operations.

Will there be downtime when migrating from HubSpot Service Hub to Zendesk?

No. Our migration process is designed for zero downtime. We use a staged approach with background sync and a fast cutover, ensuring no disruption to your live business operations.

Security & access

1 question

Can we whitelist a single IP instead of opening our network to your migration tool?

Yes — all migration traffic runs through a centralized system using one fixed IP, which your IT team can whitelist instead of opening broader network access.

Pricing

1 question

Is migration pricing a flat fee, or does it scale with data volume?

It's a flat fee based on the scope estimate you give us — small variances in actual volume (a bit more or less) don't change the price.

After go-live

5 questions

How do I validate that everything migrated correctly?

Every client receives a Migration Validation Report with comprehensive metrics including record-count parity, attachment integrity verification via checksum, and full audit logs. We also offer unlimited sample migrations so you can verify before committing.

What support do you provide after the migration goes live?

At ClonePartner, we consider ourselves your partners in this journey. We take full accountability for your migration's success. Once your migration goes live, we provide 30 days of comprehensive post-migration support. During this period, we will assist with everything needed to ensure your transition is a complete success.

Will we get a migration report and a ticket-mapping sheet linking old ticket IDs to new ones?

Yes. We provide a comprehensive migration report along with a ticket-mapping sheet that links each old ticket ID to its corresponding new ticket ID. This ensures full traceability, simplifies post-migration verification, and helps your team validate that tickets have been migrated accurately.

After migration, do I contact ClonePartner or the platform's own support if something looks wrong?

ClonePartner is the contact for anything about the migrated data itself. Platform-level behavior — call routing, compose-window UI, and similar configuration — is handled by the destination platform's own support.

Will we get a report showing exactly what migrated versus what didn't?

Yes. You get a final reconciliation report comparing source and target counts for every object.

Migrate from HubSpot Service Hub to Zendesk with precision & ease

Why teams migrate from HubSpot Service Hub to Zendesk