CRM migration

Migrate from Lead Guerrilla to Twenty CRM

Field-level mapping, validation, and rollback between Lead Guerrilla and Twenty CRM. We move data and schema; workflows are rebuilt natively in Twenty CRM.

Lead Guerrilla logo

Lead Guerrilla

Source

Twenty CRM

Destination

Twenty CRM logo

Compatibility

82%

9 of 11

objects map 1:1 between Lead Guerrilla and Twenty CRM.

Complexity

CModerate

Timeline

3-5 weeks

Rollback included Accuracy guarantee Field-level validation

Overview

What this migration involves

Lead Guerrilla has no publicly documented REST API, which means all data export must be performed manually through the admin UI or with direct vendor coordination, extending migration timelines compared to platforms with open APIs. We choreograph CSV-based exports for Contacts and Companies, screenshot-assisted cataloging of activity history, and manual workflow screenshots for the reimplementation playbook. Twenty CRM's open-source TypeScript architecture and GraphQL API provide a modern import target, but the platform does not yet have a native import UI, so we write custom CSV-to-GraphQL ingestion scripts for batch record loading. Marketing automation rules, landing pages, and web forms created in Lead Guerrilla cannot be exported as code or portable assets; we deliver detailed reimplementation inventories for the customer's team to rebuild in Twenty or a complementary marketing tool. The tight 1CRM coupling on the source side means any records with cross-references to 1CRM internal identifiers require manual relinking after migration, which we audit explicitly during scoping.

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

Lead Guerrilla logo

Lead Guerrilla

What's pushing teams away

  • The platform has an extremely small market footprint (reportedly fewer than 20 companies using it as of 2025), making peer reviews, community support, and third-party integrations scarce compared to established marketing automation tools.
  • Lead Guerrilla has no publicly documented REST API or developer portal, making it difficult to export data programmatically, integrate with modern tools, or automate anything outside the built-in workflow builder.
  • The tight coupling with 1CRM as both parent product and primary integration point means teams that outgrow 1CRM or want to use a different CRM are effectively locked out of the platform's core value proposition.
  • Hidden overage fees for exceeding contact or email limits can catch small businesses off guard, with ITQlick reporting unexpected charges ranging from $50 to $500 per incident.
  • The platform competes against tools like MailChimp, Klaviyo, and HubSpot Marketing Hub, all of which offer substantially larger feature sets, better documentation, and richer ecosystems at comparable or lower price points.

Choosing

Twenty CRM logo

Twenty CRM

What's pulling them in

  • Top open-source CRM on GitHub with 40.6K stars, giving teams full source code access and infrastructure ownership without per-feature licensing surprises.
  • Free self-hosting under AGPL-3.0 means unlimited users and custom objects for the cost of cloud infrastructure alone, typically $20–100/month.
  • Pricing page explicitly mocks competitors for charging add-on fees for API access, webhooks, and workflows — transparency that resonates with RevOps teams burned by Salesforce.
  • Unlimited custom objects and fields with no price impact, letting teams shape the data model to their business rather than forcing business into rigid schemas.
  • Modern TypeScript/React/PostgreSQL stack means developer-led teams can extend, self-host, or integrate without fighting legacy architecture.

Object mapping

How Lead Guerrilla objects map to Twenty CRM

Each row shows how a Lead Guerrilla object lands in Twenty CRM, including any object-level transformations, lookup resolution, or schema-design dependencies.

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

Lead Guerrilla

Contact

maps to

Twenty CRM

People (Person object)

1:1
Fully supported

Lead Guerrilla Contact records map to Twenty's People object. Standard fields (name, email, phone, address) migrate directly. Lead scoring values stored as a custom numeric property migrate to a Twenty custom field for lead scoring. The Contact's original 1CRM cross-reference ID is preserved in a custom field for audit. Email addresses serve as the dedupe key during import to prevent duplicate Person records.

Lead Guerrilla

Company

maps to

Twenty CRM

Company

1:1
Fully supported

Lead Guerrilla Company records map directly to Twenty's Company object. The Company domain name maps to the Website field. Each Company is imported before its linked Contacts so that the Person-to-Company relationship resolves at insert time. If 1CRM cross-references exist, we audit and re-link them manually post-migration using the preserved custom field.

Lead Guerrilla

Segment

maps to

Twenty CRM

Custom Field (Tag/Multi-Select) or Custom Object

lossy
Fully supported

Lead Guerrilla Segments group contacts by form source, behavior, or demographic criteria. Segment membership translates into a dynamic Audience or a custom multi-select field on the Person record in Twenty. During scoping the customer chooses between a static tag-based approach (preserves exact segment membership as of migration date) or a filter-based approach (Twenty custom field conditions that recreate the segment logic). Segment definitions themselves are documented for the customer to rebuild as Twenty views or segments.

Lead Guerrilla

Campaign

maps to

Twenty CRM

Custom Object (Campaign) or Opportunity

1:many
Fully supported

Multi-channel campaign configurations from Lead Guerrilla (email, SMS, Twitter, web notification sequences) do not have a direct Twenty CRM equivalent since Twenty's native campaign tracking is oriented toward sales opportunities. We create a custom Campaign object in Twenty matching the channel structure and enrollment history, and map completed campaign enrollments as activity records tied to the relevant Person. The campaign automation logic is cataloged separately for rebuild.

Lead Guerrilla

Landing Page

maps to

Twenty CRM

Not migrated (content asset)

1:1
Fully supported

Landing pages created in Lead Guerrilla's builder cannot be exported as portable HTML or schema files. We export page metadata (title, URL slug, published status) and redirect configuration, but the rendering code and embed scripts are not portable. The customer must rebuild these assets in Twenty or a dedicated landing page tool. We deliver a page-by-page inventory with field-level mapping to guide the rebuild.

Lead Guerrilla

Web Form

maps to

Twenty CRM

Not migrated (content asset)

1:1
Fully supported

Web forms embedded as tracking widgets in Lead Guerrilla are content assets. We export form field definitions, submission mappings, and redirect behavior, but form logic (field visibility conditions, required field rules) cannot be extracted. The customer rebuilds forms in their new platform. We provide a field-level inventory of every form so the rebuild is guided rather than ad hoc.

Lead Guerrilla

Marketing Automation Rules

maps to

Twenty CRM

Not migrated (automation asset)

1:1
Not supported

Lead Guerrilla's automation engine defines time-based and trigger-based actions (email firing after X hours, campaign enrollment on form submit, score adjustments on page visit). There is no documented export path for these rules. We catalog every active automation via screenshots and admin UI configuration notes during discovery, then deliver a detailed reimplementation playbook mapping each rule to its recommended equivalent in the customer's new marketing automation platform. This is manual rebuild work the customer must budget for.

Lead Guerrilla

Lead Scoring

maps to

Twenty CRM

Custom Field on Person

1:1
Mapping required

The current numeric lead score per Contact is preserved as a custom field on Twenty's Person object. The scoring model itself (point values per behavior, stage thresholds) is documented for the customer to reconfigure in their new platform, since it lives in the automation engine rather than the contact record.

Lead Guerrilla

Activity History

maps to

Twenty CRM

Task and Note records on Person

1:1
Fully supported

Contact interactions tracked in Lead Guerrilla (email opens, page visits, form submissions, SMS sends, tweet engagement) are exported as activity history. Due to Lead Guerrilla's lack of API, high-volume activity records require page-by-page or screenshot-assisted cataloging. We import activity data as Task and Note records on the corresponding Person record in Twenty, with the original timestamp preserved for timeline ordering.

Lead Guerrilla

Tag

maps to

Twenty CRM

Tag on Person/Company

1:1
Fully supported

Contacts and Companies in Lead Guerrilla can be tagged. We export all tag assignments and reapply them as tags in Twenty. Tag naming conventions are preserved exactly as-is to maintain segmentation continuity. If a tag maps to a segment definition, we reference both in the reimplementation playbook.

Lead Guerrilla

User/Owner

maps to

Twenty CRM

Workspace Member

1:1
Fully supported

User accounts in Lead Guerrilla map to campaign owners and assignment recipients. We export the user list including name and email. Twenty's workspace members are provisioned separately; we map Lead Guerrilla owner references by email match and flag any orphaned assignments for the customer's admin to resolve before migration completes.

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.

Lead Guerrilla logo

Lead Guerrilla gotchas

High

No documented API for bulk data export

High

Marketing automation rules are not exportable

High

Tight 1CRM coupling creates migration blast radius

Medium

Overage billing model creates migration cost surprises

Medium

Landing page and form assets require rebuild at destination

Twenty CRM logo

Twenty CRM gotchas

High

Import order is enforced and critical

High

Export limited to 20,000 records and visible columns only

Medium

Soft-deleted records count toward uniqueness and trigger restores

Medium

API rate limits cap at 200 req/min on Organization tier

Low

No native email sequences — follow-up cadences require external tools

Pair-specific challenges

  • Lead Guerrilla has no documented API for bulk export

    Lead Guerrilla does not publish a REST API, GraphQL endpoint, or developer documentation for programmatic data access. All data export must be performed manually through the admin UI (contact list CSV downloads, page-by-page screenshots for activity history) or with direct assistance from 1CRM Systems Corp support. We work around this by choreographing a staged export process: CSV exports for Contacts and Companies, screenshot-assisted cataloging for activity history, and a custom connector request to the vendor where bulk exports are required. This extends migration timelines significantly compared to platforms with open APIs.

  • Marketing automation rules and campaign logic do not migrate

    The automation engine that defines when emails fire, when contacts enroll in campaigns, and how lead scores adjust lives entirely inside Lead Guerrilla's workflow builder with no documented export path. We cannot migrate these rules automatically. During discovery we catalog every active automation via screenshots and configuration notes taken from the admin UI, then deliver a detailed reimplementation playbook so the customer's marketing team can rebuild each rule in their new platform. This is manual work the customer must budget for.

  • Twenty CRM has no built-in import UI

    As documented in Twenty's official migration guide, the platform does not yet have a native import UI (as of 2026). Data migration requires writing a script or using an integration tool like n8n to process CSV exports and make batch API calls. We write custom CSV-to-GraphQL ingestion scripts to load contacts, companies, and activities into Twenty, handling batch chunking and relationship resolution. This is a technical step that requires engineering time on the destination side.

  • Tight 1CRM coupling creates cross-reference migration risk

    Lead Guerrilla is built and maintained by 1CRM Systems Corp, and its Contact and Company records share internal identifiers with 1CRM. When migrating to a non-1CRM destination, cross-references between marketing data and CRM data can become orphaned. We explicitly audit every cross-referenced record pair during scoping and re-link them manually in Twenty. If the customer is also migrating away from 1CRM simultaneously, the blast radius doubles; we recommend sequencing the CRM migration first, then the marketing automation migration, to avoid cascading relinking work.

  • Landing pages and web forms require rebuild, not export

    Landing pages and embedded web forms created in Lead Guerrilla's builder cannot be exported as portable HTML or schema files. We export page metadata, form field definitions, and redirect rules, but the actual page rendering code and form embed scripts are not portable. Post-migration the customer must rebuild these assets in their new platform. We provide a page-by-page inventory with field-level mapping so the rebuild is guided rather than ad hoc, but it is not an automated data migration.

Migration approach

Six steps for a successful Lead Guerrilla to Twenty CRM data migration

  1. Discovery and export choreography planning

    We audit the Lead Guerrilla admin UI across all active modules: Contacts (with lead scoring values), Companies, Segments, Campaigns, Landing Pages, Web Forms, and Marketing Automation Rules. Because no API exists, we design a staged export choreography: CSV exports for contact and company lists, manual screenshot cataloging for campaign configurations and automation rules, and a formal request to 1CRM Systems Corp for any bulk data extracts required beyond what the UI provides. We also identify every 1CRM cross-reference and map it to a re-link plan in Twenty.

  2. Twenty CRM workspace preparation

    We set up the Twenty CRM workspace before data arrives: configuring the Company object schema, provisioning custom fields on the Person object (lead score, original Lead Guerrilla ID, segment tags), creating any custom objects required (Campaign, if chosen), and inviting all team members whose email will appear as owner assignments. As Twenty's official migration guide specifies, fields must exist before import; we create all custom fields in Settings before any CSV is processed.

  3. CSV export and data staging

    We extract Contacts and Companies as CSV from Lead Guerrilla's admin UI, normalizing field names and formats (phone number formatting, date formats) to match Twenty's expected input. Activity history, campaign enrollment data, and tag assignments are staged as supplementary CSVs. All data is staged in a quarantine environment for deduplication, completeness validation, and format transformation before ingestion.

  4. Custom CSV-to-GraphQL ingestion script development

    Since Twenty has no built-in import UI, we write a custom ingestion script that reads the staged CSV files and makes batched GraphQL API calls to Twenty. The script handles company import first (to satisfy Person lookups), then Person records with the company relationship resolved, then activities as Task and Note records on Person, then tags. The script logs every failed record to a reconciliation queue for manual review. We run the script in Twenty's sandbox or dev environment first for validation.

  5. Sandbox migration and reconciliation

    We execute the full migration into a staging environment, reconciling record counts (Contacts in, Companies in, Activities in), sampling 25-50 records for field-level accuracy against the Lead Guerrilla source, and verifying Person-to-Company relationship resolution. The customer reviews and signs off before production migration begins. Any mapping corrections, missing fields, or duplicate resolution logic is applied here.

  6. Production migration, cutover, and automation handoff

    We run production migration in dependency order: Companies first, then Persons with resolved relationships, then activities. We freeze Lead Guerrilla writes at cutover, run a final delta pass for records modified during migration, then enable Twenty as the system of record. We deliver the Marketing Automation Rule inventory and reimplementation playbook to the customer's team, with landing page and form rebuild guides included. We support a one-week hypercare window for reconciliation issues. We do not rebuild Lead Guerrilla automations inside the migration scope.

Platform deep dives

Context on both ends of the pair

Lead Guerrilla logo

Lead Guerrilla

Source

Strengths

  • Multi-channel campaign delivery across email, SMS, Twitter, and web notifications from a single interface.
  • Integrated landing page and web form builder with visitor tracking and A/B testing capabilities.
  • Native tight integration with 1CRM for seamless lead-to-record synchronization.
  • Lead scoring engine that automatically ranks prospects based on interaction behavior.
  • Flexible month-to-month billing with no long-term contract required.

Weaknesses

  • No publicly documented REST API or developer portal, severely limiting programmatic data export and third-party integrations.
  • Extremely small market footprint with very few independent user reviews, making peer validation difficult.
  • Pricing is opaque and requires a sales quote, with hidden overage fees for contact and email volume.
  • Primary integration is locked to 1CRM, making the platform impractical for teams using any other CRM.
  • Scarce third-party ecosystem; limited connector availability compared to HubSpot, MailChimp, or Klaviyo.
Twenty CRM logo

Twenty CRM

Destination

Strengths

  • AGPL-3.0 open-source license with full source code on GitHub — no vendor lock-in, no sunset risk.
  • Unlimited users and unlimited custom objects on self-hosted, with no feature gating based on headcount.
  • REST and GraphQL APIs available on all paid tiers, not locked behind an enterprise add-on fee.
  • MCP server and webhooks shipped as standard features, not premium upgrades.
  • Modern PostgreSQL-backed data model that developer teams can query, extend, and self-host.

Weaknesses

  • Recent v1.0 release means limited production hardening compared to CRMs with multi-year operational track records.
  • No native email sequencing or sales engagement tools — follow-up cadences require a separate platform.
  • No native two-way email sync or inbox integration, requiring third-party connectors for full activity logging.
  • Self-hosting 'free' pricing hides real infrastructure and DevOps costs that stack up over time.
  • Workflow automation is functional but lacks the complexity needed for sophisticated multi-step sales motions.

Complexity grading

How hard is this migration?

Moderate CRM migration. 4 of 8 objects need a mapping; the rest are 1:1.

C

Overall complexity

Moderate migration

Derived from compatibility, mapping clarity, API constraints, and data volume across Lead Guerrilla and Twenty CRM.

  • Object compatibility

    C

    4 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

    Lead Guerrilla: Not publicly documented.

  • Data volume sensitivity

    B

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

Estimator

Estimate your Lead Guerrilla to Twenty CRM 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 Lead Guerrilla to Twenty CRM data migrations

Answers to the questions buyers ask most during Lead Guerrilla to Twenty CRM migration scoping. Not seeing yours? Book a call.

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Small migrations under 5,000 contacts with no complex 1CRM cross-references and straightforward segment structures land in three to five weeks. Migrations exceeding 10,000 contacts, high activity volume, simultaneous 1CRM migration, or multiple campaign structures requiring rebuild documentation extend to eight to twelve weeks. The primary time driver is Lead Guerrilla's lack of API, which converts a programmatic export into a staged manual choreography that requires more discovery and QA time than a standard API-based migration.

Adjacent paths

Related migrations to explore

Ready when you are

Move from Lead Guerrilla.
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