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CRM migration

CosmoLex to Clio Grow Migration

What actually moves, what has to be rebuilt, and how to prove the result matches. CosmoLex is Practice management with full legal accounting built in; Clio Grow is Clio's intake and client-development CRM, sitting in front of Clio Manage.

The hard part of this move is not the export. It is the difference in how the two systems think. CosmoLex works in matter records; Clio Grow works in lead or contact records. Get that mapping wrong and every report built on it afterwards is wrong too. This page covers the field map, what does not survive, what it costs, and the reconciliation step that decides whether anyone trusts Clio Grow in month two.

The two systems, side by side

CosmoLexClio Grow
Primary recordMatterLead or Contact
GroupingClient and contact linksPipeline stage and matter type
Activity historyNotes, tasks and calendarIntake steps, appointments and email templates
DocumentsDocuments on the matterIntake forms and agreements on the lead
Getting data outCSV export; accounting data extracts separately.CSV export, plus the Clio API for Manage-side records.
Who administers itNone.None. Anyone on staff can run it.
PricingCustom quoted.Included on the top Clio plan; Clio is $49 to $149 per user per month annually.
Record models drive the field map below. Where the two rows differ, that line is a decision rather than a mapping.

What breaks

  • CosmoLex works in matter records and Clio Grow works in lead or contact records. That is a re-modelling exercise, and it is the first decision, not a mapping detail.
  • Grouping changes: Client and contact links becomes Pipeline stage and matter type. Somebody has to define what a group means in the target before load.
  • Activity history moves with partial fidelity. CosmoLex stores it as notes, tasks and calendar; Clio Grow expects intake steps, appointments and email templates.
  • Automations, reports, dashboards and permissions never transfer. Budget them as build work.
  • Every connected system has to be repointed and retested: the DMS, billing, e-signature and the shared inbox.

Known hazards on each side

Leaving CosmoLex:

  • The general ledger and trust accounting are the reason firms chose it, and most targets do not replace them.
  • Accounting and matter data have to reconcile after the move or the books do not tie.
  • Historic trust transactions carry retention obligations of their own.

Arriving in Clio Grow:

  • Leads that never converted have no equivalent record in matter-centric systems.
  • Intake form responses are stored as form data, not as fields, and often need flattening.
  • The Grow-to-Manage handoff means the same client can exist twice in an export.

The field map

ConceptIn CosmoLexIn Clio GrowWhat to watch
Primary recordMatterLead or ContactDifferent shape. Decide the mapping before any data moves.
GroupingClient and contact linksPipeline stage and matter typeThe target groups records differently, so grouping is created rather than copied.
Activity historyNotes, tasks and calendarIntake steps, appointments and email templatesExpect partial fidelity. Types, timestamps and authorship survive; structure often does not.
DocumentsDocuments on the matterIntake forms and agreements on the leadUsually a separate extract and load from the record data.
Owner and assignmentAssigned user or advisor fieldsAssigned user or team fieldsMap departed staff explicitly. Records assigned to nobody disappear from every view.
Custom fieldsFirm-specific fields added over timeCreated to match, or consciously droppedThe audit here is the work. Undocumented fields that reports depend on are the usual surprise.
Map against fifty real records, including the ugly ones, rather than against the schema. Every remap is a decision with a compliance consequence, so record who made it.

Cost and timeline

PhaseTypical range
Data audit and cleanup$3,000 to $25,000
Migration execution$5,000 to $50,000
Target configurationTwo to six weeks
Ongoing administrationAbsorbed by existing operations staff
Published 2026 ranges. Cleanup and customization discovered mid-project commonly pushes first-year cost 30 to 50 percent past the original estimate.

The five phases

  1. Audit CosmoLex. Count records per object, find duplicates and orphans, and decide what does not come with you. Get that decision signed off before mapping.
  2. Map against real records. Use the table above as the starting point, then walk fifty live records field by field.
  3. Dry run into a Clio Grow sandbox. Load the full set, not a sample. Sample loads hide the failures that only appear at volume.
  4. Cut over on a quiet window. Freeze writes in CosmoLex, load, repoint every integration, unfreeze. Keep CosmoLex read-only for at least a quarter.
  5. Reconcile. Compare Clio Grow to CosmoLex record by record and field by field, and produce a variance report.

The full version of this plan, with the failure evidence behind it, is in the CRM migration playbook.

The compliance clause

State retention rules and the firm's duties over the client file survive the migration. A matter that lands in the target without its history is a records gap, not a cosmetic issue. Keep the field map, the variance report and the mapping sign-offs with the records, because the decisions you made in phase two are part of the record too.

Spend your first two weeks on CosmoLex and your last two weeks on reconciliation. Loading Clio Grow is the part any vendor can do. Migrations that go wrong almost always shortened one of the two ends.

Where Caddi fits

Caddi does the mechanical half and then keeps doing it. Show it the task once and it reads CosmoLex, applies your field map, loads Clio Grow, and then compares both sides record by record and hands back a variance report you can act on. Because it runs over APIs across your stack, the same agent covers the parts a migration tool ignores: documents filed to the right lead or contact with the right metadata, and the post-cutover hygiene that otherwise becomes someone's Monday.

Caddi automation for these systems: Clio Grow.

Related migrations

Migration without the manual pass

Move and reconcile CosmoLex into Clio Grow

Caddi reads CosmoLex, applies your field map, loads Clio Grow, then compares both sides record by record and reports the variances.

Frequently asked questions

How do you migrate from CosmoLex to Clio Grow?

Audit the CosmoLex data first, then map fields against fifty real records rather than against the schema, dry run the full set into a Clio Grow sandbox, cut over on a quiet window with writes frozen, and reconcile record by record afterwards. CSV export; accounting data extracts separately. Clio Grow then needs the records loaded in dependency order, with documents as a separate pass.

What does not transfer from CosmoLex to Clio Grow?

CosmoLex works in matter records and Clio Grow works in lead or contact records. That is a re-modelling exercise, and it is the first decision, not a mapping detail. Grouping changes: Client and contact links becomes Pipeline stage and matter type. Somebody has to define what a group means in the target before load. Activity history moves with partial fidelity. CosmoLex stores it as notes, tasks and calendar; Clio Grow expects intake steps, appointments and email templates.

How long does a CosmoLex to Clio Grow migration take?

Six to twelve weeks is realistic for a clean mid-size move, and three to six months where Clio Grow is being implemented at the same time. Firms with years of history in CosmoLex should budget several weeks of cleanup before any data moves.

Who administers Clio Grow afterwards?

None. Anyone on staff can run it. That is one of the reasons this move is lighter than a platform migration.

What are the compliance implications for law firms?

State retention rules and duties over the client file survive the migration. A gap in matter history is a finding, not a cosmetic issue, so keep the field map, the variance report and the sign-offs with the records.