diff --git a/services/apps/members_enrichment_worker/src/activities/enrichment.ts b/services/apps/members_enrichment_worker/src/activities/enrichment.ts
index 8b2bd6f188..df4146452f 100644
--- a/services/apps/members_enrichment_worker/src/activities/enrichment.ts
+++ b/services/apps/members_enrichment_worker/src/activities/enrichment.ts
@@ -32,7 +32,12 @@ import {
   updateMemberEnrichmentCacheDb,
   updateMemberOrg,
 } from '@crowd/data-access-layer/src/old/apps/members_enrichment_worker'
-import { findOrCreateOrganization } from '@crowd/data-access-layer/src/organizations'
+import OrganizationMergeSuggestionsRepository from '@crowd/data-access-layer/src/old/apps/merge_suggestions_worker/organizationMergeSuggestions.repo'
+import {
+  addOrgIdentity,
+  findOrCreateOrganization,
+  findOrgByVerifiedIdentity,
+} from '@crowd/data-access-layer/src/organizations'
 import { dbStoreQx, pgpQx } from '@crowd/data-access-layer/src/queryExecutor'
 import { refreshMaterializedView } from '@crowd/data-access-layer/src/utils'
 import { SearchSyncApiClient } from '@crowd/opensearch'
@@ -48,6 +53,7 @@ import {
   MemberIdentityType,
   OrganizationAttributeSource,
   OrganizationIdentityType,
+  OrganizationMergeSuggestionTable,
   OrganizationSource,
   PlatformType,
 } from '@crowd/types'
@@ -375,7 +381,6 @@ export async function updateMemberUsingSquashedPayload(
       }
     }
 
-    const orgIdsToSync: string[] = []
     const newOrUpdatedMemberOrgs = []
 
     if (squashedPayload.memberOrganizations.length > 0) {
@@ -420,32 +425,151 @@ export async function updateMemberUsingSquashedPayload(
         const orgSource = OrganizationAttributeSource.ENRICHMENT
 
         orgPromises.push(
-          findOrCreateOrganization(qx, orgSource, {
-            displayName: org.name,
-            description: org.organizationDescription,
-            identities: identities.map((i) => ({ ...i, source: orgSource })),
-          })
-            .then((orgId) => {
-              // set the organization id for later use
+          (async () => {
+            let orgId: string | undefined
+            const orgPayload = {
+              displayName: org.name,
+              description: org.organizationDescription,
+              identities: identities.map((i) => ({ ...i, source: orgSource })),
+            }
+
+            try {
+              // Keep the org write in a savepoint: if this identity is already verified
+              // on another org, we can recover without aborting the member update transaction.
+              orgId = await qx.tx((trnx) => findOrCreateOrganization(trnx, orgSource, orgPayload))
+            } catch (error) {
+              const constraint = 'uix_organizationIdentities_plat_val_typ_tenantId_verified'
+              const dbError = error as { constraint?: string; detail?: string }
+
+              if (
+                error.constructor?.name !== 'DatabaseError' ||
+                dbError.constraint !== constraint ||
+                !dbError.detail
+              ) {
+                throw error
+              }
+
+              const match = dbError.detail.match(/=\((.*?)\)/)
+              if (!match) throw error
+
+              const [platform, value, type] = match[1].split(',').map((v) => v.trim())
+              const erroredIdentity = {
+                platform,
+                value,
+                type: type as OrganizationIdentityType,
+                verified: true,
+              }
+
+              const identityOwners = []
+              const erroredIdentityOwner = await findOrgByVerifiedIdentity(qx, erroredIdentity)
+              if (!erroredIdentityOwner) throw error
+
+              identityOwners.push({
+                identity: erroredIdentity,
+                organizationId: erroredIdentityOwner.id,
+              })
+
+              // The first write normalizes domain identities before failing. Use that normalized
+              // payload when checking the rest, so the retry won't hit the same index again.
+              for (const identity of orgPayload.identities.filter((i) => i.verified)) {
+                const isErroredIdentity =
+                  identity.platform === erroredIdentity.platform &&
+                  identity.type === erroredIdentity.type &&
+                  identity.value.toLowerCase() === erroredIdentity.value.toLowerCase()
+
+                if (!isErroredIdentity) {
+                  const owner = await findOrgByVerifiedIdentity(qx, identity)
+
+                  if (owner) {
+                    identityOwners.push({ identity, organizationId: owner.id })
+                  }
+                }
+              }
+
+              // Keep the enriched org identity as an unverified signal. The verified version stays
+              // with the existing owner, preserving the unique identity invariant.
+              const identitiesToAddAsUnverified = identityOwners.map((owner) => owner.identity)
+              const retryIdentities = orgPayload.identities.filter(
+                (identity) =>
+                  !identitiesToAddAsUnverified.some(
+                    (identityToAddAsUnverified) =>
+                      identity.platform === identityToAddAsUnverified.platform &&
+                      identity.type === identityToAddAsUnverified.type &&
+                      identity.value.toLowerCase() ===
+                        identityToAddAsUnverified.value.toLowerCase(),
+                  ),
+              )
+
+              orgId = await qx.tx((trnx) =>
+                findOrCreateOrganization(trnx, orgSource, {
+                  ...orgPayload,
+                  identities: retryIdentities,
+                }),
+              )
+
+              if (orgId) {
+                const mergeSuggestionsRepo = new OrganizationMergeSuggestionsRepository(
+                  tx.transaction(),
+                  svc.log,
+                )
+                const mergeSuggestions = []
+                const suggestedOwnerIds = new Set<string>()
+
+                for (const identityOwner of identityOwners) {
+                  if (identityOwner.organizationId !== orgId) {
+                    await addOrgIdentity(qx, {
+                      organizationId: orgId,
+                      platform: identityOwner.identity.platform,
+                      value: identityOwner.identity.value,
+                      type: identityOwner.identity.type,
+                      verified: false,
+                      source: orgSource,
+                    })
+
+                    const noMergeIds = await mergeSuggestionsRepo.findNoMergeIds(
+                      identityOwner.organizationId,
+                    )
+                    if (
+                      !noMergeIds.includes(orgId) &&
+                      !suggestedOwnerIds.has(identityOwner.organizationId)
+                    ) {
+                      suggestedOwnerIds.add(identityOwner.organizationId)
+                      mergeSuggestions.push({
+                        similarity: 0.95,
+                        organizations: [identityOwner.organizationId, orgId] as [string, string],
+                      })
+                    }
+                  }
+                }
+
+                if (mergeSuggestions.length > 0) {
+                  // A shared verified identity is a strong merge signal, unless the pair was
+                  // explicitly marked as no-merge by a reviewer.
+                  await mergeSuggestionsRepo.addToMerge(
+                    mergeSuggestions,
+                    OrganizationMergeSuggestionTable.ORGANIZATION_TO_MERGE_RAW,
+                  )
+                  await mergeSuggestionsRepo.addToMerge(
+                    mergeSuggestions,
+                    OrganizationMergeSuggestionTable.ORGANIZATION_TO_MERGE_FILTERED,
+                  )
+                }
+              }
+            }
+
+            if (orgId) {
               org.organizationId = orgId
               if (org.identities) {
                 for (const i of org.identities) {
                   i.organizationId = orgId
                 }
               }
-              if (orgId) {
-                orgIdsToSync.push(orgId)
-              }
-            })
-            .then(() =>
-              Promise.all(
-                orgIdsToSync.map((orgId) =>
-                  syncOrganization(orgId).catch((error) => {
-                    console.error(`Failed to sync organization with ID ${orgId}:`, error)
-                  }),
-                ),
-              ),
-            ),
+
+              await syncOrganization(orgId).catch((error) => {
+                svc.log.error({ orgId, error }, 'Failed to sync organization')
+              })
+            }
+          })(),
         )
       }