diff --git a/fusion_accounting_assets/__manifest__.py b/fusion_accounting_assets/__manifest__.py
index e30f2273..5809f4ff 100644
--- a/fusion_accounting_assets/__manifest__.py
+++ b/fusion_accounting_assets/__manifest__.py
@@ -1,6 +1,6 @@
 {
     'name': 'Fusion Accounting Assets',
-    'version': '19.0.1.0.30',
+    'version': '19.0.1.0.31',
     'category': 'Accounting/Accounting',
     'summary': 'AI-augmented asset management with depreciation schedules.',
     'description': """
@@ -28,6 +28,7 @@ menu hides; the engine + AI tools remain available for the chat.
     'depends': [
         'fusion_accounting_core',
         'fusion_accounting_ai',
+        'fusion_accounting_migration',
         'account',
         'mail',
     ],
diff --git a/fusion_accounting_assets/models/__init__.py b/fusion_accounting_assets/models/__init__.py
index d5183ee1..600dfe1b 100644
--- a/fusion_accounting_assets/models/__init__.py
+++ b/fusion_accounting_assets/models/__init__.py
@@ -7,3 +7,4 @@ from . import account_move
 from . import fusion_asset_engine
 from . import fusion_assets_cron
 from . import fusion_asset_book_values_mv
+from . import fusion_migration_wizard
diff --git a/fusion_accounting_assets/models/fusion_migration_wizard.py b/fusion_accounting_assets/models/fusion_migration_wizard.py
new file mode 100644
index 00000000..c3f6f17a
--- /dev/null
+++ b/fusion_accounting_assets/models/fusion_migration_wizard.py
@@ -0,0 +1,105 @@
+"""Assets-specific migration step.
+
+Backfills fusion.asset from existing account.asset rows (Enterprise) so users
+get all their existing assets in the Fusion namespace after switchover."""
+
+import logging
+
+from odoo import api, fields, models
+
+_logger = logging.getLogger(__name__)
+
+
+# Map Enterprise method names to Fusion method names
+ENTERPRISE_METHOD_MAP = {
+    'linear': 'straight_line',
+    'degressive': 'declining_balance',
+    'degressive_then_linear': 'declining_balance',  # simplified
+    'manual': 'straight_line',
+    'unit_of_production': 'units_of_production',
+    'units_of_production': 'units_of_production',
+}
+
+
+class FusionMigrationWizard(models.TransientModel):
+    _inherit = "fusion.migration.wizard"
+
+    def _assets_bootstrap_step(self):
+        """Backfill fusion.asset from account.asset (Enterprise) if it exists."""
+        result = {
+            'step': 'assets_bootstrap',
+            'enterprise_module_present': False,
+            'created': 0, 'skipped': 0, 'errors': [],
+        }
+        # Check if Enterprise account.asset exists
+        AccountAsset = self.env.get('account.asset')
+        if AccountAsset is None:
+            result['enterprise_module_present'] = False
+            return result
+        result['enterprise_module_present'] = True
+
+        FusionAsset = self.env['fusion.asset'].sudo()
+
+        # Iterate Enterprise records
+        company_id = self.company_id.id if 'company_id' in self._fields and self.company_id else None
+        domain = []
+        if company_id:
+            domain.append(('company_id', '=', company_id))
+
+        try:
+            ea_records = AccountAsset.sudo().search(domain, limit=10000)
+        except Exception as e:
+            result['errors'].append(f"Enterprise search failed: {e}")
+            return result
+
+        for ea in ea_records:
+            try:
+                # Idempotent: skip if a fusion asset with same source name exists
+                existing = FusionAsset.search([
+                    ('name', '=', ea.name),
+                    ('cost', '=', getattr(ea, 'original_value', 0) or 0),
+                    ('company_id', '=', ea.company_id.id),
+                ], limit=1)
+                if existing:
+                    result['skipped'] += 1
+                    continue
+
+                # Map state — Enterprise has 'draft', 'open' (running), 'paused', 'close' (disposed)
+                ea_state = getattr(ea, 'state', 'draft')
+                state_map = {'draft': 'draft', 'open': 'running',
+                             'paused': 'paused', 'close': 'disposed',
+                             'model': 'draft'}
+                state = state_map.get(ea_state, 'draft')
+
+                method = ENTERPRISE_METHOD_MAP.get(
+                    getattr(ea, 'method', 'linear'), 'straight_line')
+
+                FusionAsset.create({
+                    'name': ea.name,
+                    'cost': getattr(ea, 'original_value', 0) or 0,
+                    'salvage_value': getattr(ea, 'salvage_value', 0) or 0,
+                    'acquisition_date': getattr(ea, 'acquisition_date', False) or fields.Date.today(),
+                    'in_service_date': getattr(ea, 'prorata_date', False) or False,
+                    'method': method,
+                    'useful_life_years': getattr(ea, 'method_number', 5) or 5,
+                    'declining_rate_pct': getattr(ea, 'method_progress_factor', 0.2) * 100 if hasattr(ea, 'method_progress_factor') else 20.0,
+                    'company_id': ea.company_id.id,
+                    'state': state,
+                })
+                result['created'] += 1
+            except Exception as e:
+                result['errors'].append(f"Asset {ea.id}: {e}")
+
+        _logger.info(
+            "fusion_accounting_assets migration: %d created, %d skipped, %d errors",
+            result['created'], result['skipped'], len(result['errors']))
+        return result
+
+    def action_run_migration(self):
+        """Override to add assets-bootstrap step."""
+        result = super().action_run_migration() if hasattr(super(), 'action_run_migration') else None
+        try:
+            self._assets_bootstrap_step()
+        except Exception as e:
+            _logger.warning("assets_bootstrap_step failed: %s", e)
+        return result
diff --git a/fusion_accounting_assets/tests/__init__.py b/fusion_accounting_assets/tests/__init__.py
index d5544e90..ee6bf715 100644
--- a/fusion_accounting_assets/tests/__init__.py
+++ b/fusion_accounting_assets/tests/__init__.py
@@ -23,3 +23,4 @@ from . import test_create_asset_wizard
 from . import test_disposal_wizard
 from . import test_partial_sale_wizard
 from . import test_depreciation_run_wizard
+from . import test_migration_round_trip
diff --git a/fusion_accounting_assets/tests/test_migration_round_trip.py b/fusion_accounting_assets/tests/test_migration_round_trip.py
new file mode 100644
index 00000000..95dae785
--- /dev/null
+++ b/fusion_accounting_assets/tests/test_migration_round_trip.py
@@ -0,0 +1,24 @@
+from odoo.tests.common import TransactionCase
+from odoo.tests import tagged
+
+
+@tagged('post_install', '-at_install')
+class TestAssetsMigrationRoundTrip(TransactionCase):
+
+    def test_bootstrap_step_runs_without_enterprise(self):
+        """When Enterprise account.asset is NOT installed, step is a no-op."""
+        wizard = self.env['fusion.migration.wizard'].create({})
+        result = wizard._assets_bootstrap_step()
+        self.assertEqual(result['step'], 'assets_bootstrap')
+        # In our local DB, Enterprise account.asset may or may not exist
+        # If absent: enterprise_module_present is False
+        # If present: created>=0
+        self.assertIn(result['enterprise_module_present'], [True, False])
+
+    def test_bootstrap_idempotent_on_re_run(self):
+        wizard = self.env['fusion.migration.wizard'].create({})
+        first = wizard._assets_bootstrap_step()
+        second = wizard._assets_bootstrap_step()
+        # Second run should skip what the first created (or both no-op)
+        if first['enterprise_module_present']:
+            self.assertGreaterEqual(second['skipped'], first['created'])