diff --git a/.changeset/funny-sheep-remain.md b/.changeset/funny-sheep-remain.md
new file mode 100644
index 0000000000..a845151cc8
--- /dev/null
+++ b/.changeset/funny-sheep-remain.md
@@ -0,0 +1,2 @@
+---
+---
diff --git a/server/public/admin-domain-health.html b/server/public/admin-domain-health.html
index ddaa49d77d..6e89af7ddf 100644
--- a/server/public/admin-domain-health.html
+++ b/server/public/admin-domain-health.html
@@ -636,6 +636,64 @@ <h1>Domain Health</h1>
       }
     }
 
+    async function addUsersToOrg(button, orgId, orgName, userIds) {
+      // Validate inputs
+      if (!isValidOrgId(orgId)) {
+        alert('Invalid organization ID format');
+        return;
+      }
+
+      if (!confirm(`Add ${userIds.length} user(s) to "${orgName}"?\n\nThis will add them to the company organization. They will keep access to their personal workspace.`)) {
+        return;
+      }
+
+      const originalText = button.textContent;
+      button.disabled = true;
+      button.textContent = 'Adding...';
+
+      try {
+        const response = await fetch(`/api/admin/organizations/${encodeURIComponent(orgId)}/add-users`, {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({ user_ids: userIds })
+        });
+
+        if (!response.ok) {
+          if (response.status === 401) {
+            window.AdminSidebar?.redirectToLogin();
+            return;
+          }
+          const errorData = await response.json().catch(() => ({}));
+          throw new Error(errorData.message || errorData.error || 'Failed to add users');
+        }
+
+        const result = await response.json();
+
+        // Success
+        button.classList.remove('btn-primary');
+        button.classList.add('btn-success');
+        button.textContent = `Added ${result.added_count || userIds.length}!`;
+
+        // Reload after brief delay
+        setTimeout(() => {
+          loadDomainHealth();
+        }, 1500);
+      } catch (error) {
+        button.classList.remove('btn-primary');
+        button.classList.add('btn-error');
+        button.textContent = 'Failed';
+        button.title = error.message;
+
+        setTimeout(() => {
+          button.disabled = false;
+          button.classList.remove('btn-error');
+          button.classList.add('btn-primary');
+          button.textContent = originalText;
+          button.title = '';
+        }, 3000);
+      }
+    }
+
     function renderSummary() {
       const { summary } = healthData;
       const totalIssues = summary.issues.orphan_domains + summary.issues.misaligned_users +
@@ -795,7 +853,10 @@ <h1>Domain Health</h1>
           <tbody>
             ${misaligned_users.map(d => `
               <tr>
-                <td><span class="domain-name">${escapeHtml(d.domain)}</span></td>
+                <td>
+                  <span class="domain-name">${escapeHtml(d.domain)}</span>
+                  ${d.target_org_name ? `<br><small style="color: var(--color-text-muted);">→ <a href="/admin/accounts/${escapeHtml(d.target_org_id)}" class="org-link">${escapeHtml(d.target_org_name)}</a></small>` : ''}
+                </td>
                 <td><span class="user-count">${d.user_count}</span></td>
                 <td>
                   <ul class="user-list">
@@ -807,7 +868,18 @@ <h1>Domain Health</h1>
                 </td>
                 <td>
                   <div style="display: flex; flex-direction: column; gap: var(--space-2);">
-                    <button class="btn btn-secondary btn-sm create-prospect-btn" data-domain="${escapeHtml(d.domain)}">Create Prospect</button>
+                    ${d.target_org_id ? `
+                      <button class="btn btn-primary btn-sm add-to-org-btn"
+                              data-domain="${escapeHtml(d.domain)}"
+                              data-org-id="${escapeHtml(d.target_org_id)}"
+                              data-org-name="${escapeHtml(d.target_org_name)}"
+                              data-user-ids="${d.users.map(u => escapeHtml(u.user_id)).join(',')}"
+                              title="Add all ${d.user_count} user(s) to ${escapeHtml(d.target_org_name)}">
+                        Add to ${escapeHtml(d.target_org_name)}
+                      </button>
+                    ` : `
+                      <button class="btn btn-secondary btn-sm create-prospect-btn" data-domain="${escapeHtml(d.domain)}">Create Prospect</button>
+                    `}
                     <button class="btn btn-secondary btn-sm mark-personal-btn" data-domain="${escapeHtml(d.domain)}" title="Mark this domain as a personal email domain (not corporate)">Mark as Personal</button>
                   </div>
                 </td>
@@ -816,6 +888,16 @@ <h1>Domain Health</h1>
           </tbody>
         </table>
       `;
+
+      // Set up event handlers for add to org buttons
+      document.querySelectorAll('.add-to-org-btn').forEach(btn => {
+        btn.addEventListener('click', () => {
+          const orgId = btn.dataset.orgId;
+          const orgName = btn.dataset.orgName;
+          const userIds = btn.dataset.userIds.split(',').filter(Boolean);
+          addUsersToOrg(btn, orgId, orgName, userIds);
+        });
+      });
     }
 
     function renderUnverifiedOrgs() {
@@ -836,6 +918,9 @@ <h1>Domain Health</h1>
         return;
       }
 
+      // Common personal email domains to filter out
+      const personalDomains = ['gmail.com', 'yahoo.com', 'hotmail.com', 'outlook.com', 'icloud.com', 'aol.com', 'protonmail.com', 'me.com', 'live.com', 'msn.com'];
+
       content.innerHTML = `
         <table class="issue-table">
           <thead>
@@ -848,7 +933,12 @@ <h1>Domain Health</h1>
             </tr>
           </thead>
           <tbody>
-            ${unverified_orgs.map(o => `
+            ${unverified_orgs.map(o => {
+              // Find the first corporate domain (not a personal email domain)
+              const corporateDomains = (o.user_domains || []).filter(d => d && !personalDomains.includes(d.toLowerCase()));
+              const suggestedDomain = corporateDomains[0] || null;
+
+              return `
               <tr>
                 <td>
                   <a href="/admin/org/${encodeURIComponent(o.org_id)}" class="org-link">${escapeHtml(o.name)}</a>
@@ -866,10 +956,21 @@ <h1>Domain Health</h1>
                   </span>
                 </td>
                 <td>
-                  <a href="/admin/org/${encodeURIComponent(o.org_id)}" class="btn btn-secondary btn-sm">View Org</a>
+                  <div style="display: flex; flex-direction: column; gap: var(--space-2);">
+                    ${suggestedDomain ? `
+                      <button class="btn btn-primary btn-sm link-domain-btn"
+                              data-org-id="${escapeHtml(o.org_id)}"
+                              data-org-name="${escapeHtml(o.name)}"
+                              data-domain="${escapeHtml(suggestedDomain)}"
+                              title="Link ${escapeHtml(suggestedDomain)} to ${escapeHtml(o.name)}">
+                        Link ${escapeHtml(suggestedDomain)}
+                      </button>
+                    ` : ''}
+                    <a href="/admin/accounts/${encodeURIComponent(o.org_id)}" class="btn btn-secondary btn-sm">View Org</a>
+                  </div>
                 </td>
               </tr>
-            `).join('')}
+            `}).join('')}
           </tbody>
         </table>
       `;
diff --git a/server/src/routes/admin/domains.ts b/server/src/routes/admin/domains.ts
index a067e6414e..1c0782ac7f 100644
--- a/server/src/routes/admin/domains.ts
+++ b/server/src/routes/admin/domains.ts
@@ -1299,12 +1299,19 @@ export function setupDomainRoutes(
         const misalignedResult = await pool.query(`
           WITH company_domains AS (
             -- All domains that have been claimed by non-personal organizations
-            SELECT DISTINCT LOWER(domain) as domain
+            -- Include org info so we know which org they should join
+            SELECT DISTINCT
+              LOWER(od.domain) as domain,
+              o.workos_organization_id as target_org_id,
+              o.name as target_org_name
             FROM organization_domains od
             JOIN organizations o ON o.workos_organization_id = od.workos_organization_id
             WHERE o.is_personal = false
             UNION
-            SELECT DISTINCT LOWER(email_domain) as domain
+            SELECT DISTINCT
+              LOWER(email_domain) as domain,
+              workos_organization_id as target_org_id,
+              name as target_org_name
             FROM organizations
             WHERE is_personal = false AND email_domain IS NOT NULL
           )
@@ -1315,7 +1322,9 @@ export function setupDomainRoutes(
             om.workos_user_id,
             LOWER(SPLIT_PART(om.email, '@', 2)) as email_domain,
             o.name as workspace_name,
-            om.workos_organization_id
+            om.workos_organization_id,
+            cd.target_org_id,
+            cd.target_org_name
           FROM organization_memberships om
           JOIN organizations o ON o.workos_organization_id = om.workos_organization_id
           JOIN company_domains cd ON cd.domain = LOWER(SPLIT_PART(om.email, '@', 2))
@@ -1460,6 +1469,9 @@ export function setupDomainRoutes(
           misaligned_users: Object.entries(misalignedByDomain).map(([domain, users]) => ({
             domain,
             user_count: users.length,
+            // Target org that owns this domain (users should join this org)
+            target_org_id: users[0]?.target_org_id || null,
+            target_org_name: users[0]?.target_org_name || null,
             users: users.map(u => ({
               email: u.email,
               first_name: u.first_name,
diff --git a/server/src/routes/admin/organizations.ts b/server/src/routes/admin/organizations.ts
index 2c097f1652..8675afeb50 100644
--- a/server/src/routes/admin/organizations.ts
+++ b/server/src/routes/admin/organizations.ts
@@ -1070,4 +1070,137 @@ export function setupOrganizationRoutes(
       }
     }
   );
+
+  // POST /api/admin/organizations/:orgId/add-users - Add users to an organization
+  // Used by Domain Health to move users from personal workspaces to company orgs
+  apiRouter.post(
+    "/organizations/:orgId/add-users",
+    requireAuth,
+    requireAdmin,
+    async (req, res) => {
+      try {
+        const { orgId } = req.params;
+        const { user_ids } = req.body;
+
+        if (!Array.isArray(user_ids) || user_ids.length === 0) {
+          return res.status(400).json({
+            error: "Invalid request",
+            message: "user_ids must be a non-empty array",
+          });
+        }
+
+        if (user_ids.length > 100) {
+          return res.status(400).json({
+            error: "Too many users",
+            message: "Cannot add more than 100 users at once",
+          });
+        }
+
+        const pool = getPool();
+
+        // Verify the target org exists and is not a personal workspace
+        const orgCheck = await pool.query(
+          `SELECT workos_organization_id, name, is_personal FROM organizations WHERE workos_organization_id = $1`,
+          [orgId]
+        );
+
+        if (orgCheck.rows.length === 0) {
+          return res.status(404).json({
+            error: "Organization not found",
+          });
+        }
+
+        if (orgCheck.rows[0].is_personal) {
+          return res.status(400).json({
+            error: "Invalid target",
+            message: "Cannot add users to a personal workspace",
+          });
+        }
+
+        const orgName = orgCheck.rows[0].name;
+
+        // Process each user
+        let addedCount = 0;
+        const errors: string[] = [];
+
+        for (const userId of user_ids) {
+          try {
+            // Validate user ID format
+            if (typeof userId !== "string" || !/^[\w-]+$/.test(userId)) {
+              errors.push(`Invalid user ID format`);
+              continue;
+            }
+
+            // Check if user exists
+            const userCheck = await pool.query(
+              `SELECT workos_user_id, email, first_name, last_name, workos_organization_id
+               FROM organization_memberships
+               WHERE workos_user_id = $1`,
+              [userId]
+            );
+
+            if (userCheck.rows.length === 0) {
+              errors.push(`User ${userId} not found`);
+              continue;
+            }
+
+            const user = userCheck.rows[0];
+
+            // Check if user is already in this org
+            const existingMembership = await pool.query(
+              `SELECT id FROM organization_memberships
+               WHERE workos_user_id = $1 AND workos_organization_id = $2`,
+              [userId, orgId]
+            );
+
+            if (existingMembership.rows.length > 0) {
+              // User already in target org, skip
+              addedCount++;
+              continue;
+            }
+
+            // Add membership to the new org
+            await pool.query(
+              `INSERT INTO organization_memberships
+               (workos_user_id, workos_organization_id, email, first_name, last_name, role)
+               VALUES ($1, $2, $3, $4, $5, 'member')
+               ON CONFLICT (workos_user_id, workos_organization_id)
+               DO UPDATE SET email = EXCLUDED.email, first_name = EXCLUDED.first_name, last_name = EXCLUDED.last_name`,
+              [userId, orgId, user.email, user.first_name, user.last_name]
+            );
+
+            addedCount++;
+
+            logger.info(
+              {
+                userId,
+                userEmail: user.email,
+                targetOrgId: orgId,
+                targetOrgName: orgName,
+                previousOrgId: user.workos_organization_id,
+                adminEmail: req.user!.email,
+              },
+              "Admin added user to organization"
+            );
+          } catch (err) {
+            logger.error({ err, userId }, "Error adding user to org");
+            errors.push(`Failed to add user ${userId}`);
+          }
+        }
+
+        res.json({
+          success: true,
+          added_count: addedCount,
+          total_requested: user_ids.length,
+          errors: errors.length > 0 ? errors : undefined,
+        });
+      } catch (error) {
+        logger.error({ err: error }, "Error adding users to organization");
+        res.status(500).json({
+          error: "Internal server error",
+          message: "Unable to add users to organization",
+        });
+      }
+    }
+  );
 }