diff --git a/addons_extensions/project_task_timesheet_extended/models/project.py b/addons_extensions/project_task_timesheet_extended/models/project.py
index 42e4b7bfd..698617fab 100644
--- a/addons_extensions/project_task_timesheet_extended/models/project.py
+++ b/addons_extensions/project_task_timesheet_extended/models/project.py
@@ -80,6 +80,21 @@ class ProjectProject(models.Model):
     project_stages = fields.One2many('project.stages.approval.flow', 'project_id')
     assign_approval_flow = fields.Boolean(default=False)
     project_sponsor = fields.Many2one('res.users')
+    allowed_project_manager_user_ids = fields.Many2many(
+        'res.users',
+        compute='_compute_portfolio_allowed_users',
+        string='Allowed Project Managers',
+    )
+    allowed_project_lead_user_ids = fields.Many2many(
+        'res.users',
+        compute='_compute_portfolio_allowed_users',
+        string='Allowed Project Leads',
+    )
+    allowed_internal_team_ids = fields.Many2many(
+        'internal.teams',
+        compute='_compute_portfolio_allowed_teams',
+        string='Allowed Internal Teams',
+    )
     show_project_chatter = fields.Boolean(default=False)
     project_vision = fields.Text(
         string="Project Vision",
@@ -1173,6 +1188,117 @@ class ProjectProject(models.Model):
     def _default_type_ids(self):
         return self._get_default_task_stage_templates()
 
+    def _get_role_users_for_portfolio(self, role_xmlid):
+        self.ensure_one()
+        role = self.env.ref(role_xmlid, raise_if_not_found=False)
+        if not role:
+            return self.env['res.users']
+        if self.portfolio_id:
+            assignment = self.portfolio_id.role_assignment_ids.filtered(
+                lambda line: line.role_id == role
+            )[:1]
+            if assignment:
+                return assignment.user_ids
+        return role.user_ids
+
+    def _get_portfolio_role_assignment(self, role_xmlid):
+        self.ensure_one()
+        role = self.env.ref(role_xmlid, raise_if_not_found=False)
+        if not role or not self.portfolio_id:
+            return self.env['project.portfolio.role.assignment']
+        return self.portfolio_id.role_assignment_ids.filtered(
+            lambda line: line.role_id == role
+        )[:1]
+
+    @api.depends(
+        'portfolio_id',
+        'portfolio_id.role_assignment_ids.role_id',
+        'portfolio_id.role_assignment_ids.user_ids',
+    )
+    def _compute_portfolio_allowed_users(self):
+        manager_groups = (
+            self.env.ref('project.group_project_manager')
+            | self.env.ref('project_task_timesheet_extended.group_project_supervisor')
+        )
+        for project in self:
+            manager_users = project._get_role_users_for_portfolio(
+                'project_task_timesheet_extended.role_project_manager'
+            )
+            project.allowed_project_manager_user_ids = manager_users.filtered(
+                lambda user: not user.share and bool(user.groups_id & manager_groups)
+            )
+            project.allowed_project_lead_user_ids = project._get_role_users_for_portfolio(
+                'project_task_timesheet_extended.role_project_lead'
+            )
+
+    @api.depends('portfolio_id', 'portfolio_id.internal_team_ids')
+    def _compute_portfolio_allowed_teams(self):
+        Team = self.env['internal.teams']
+        fallback_teams = Team.search([('active', '=', True)])
+        for project in self:
+            project.allowed_internal_team_ids = (
+                project.portfolio_id.internal_team_ids
+                if project.portfolio_id and project.portfolio_id.internal_team_ids
+                else fallback_teams
+            )
+
+    @api.onchange('portfolio_id')
+    def _onchange_portfolio_id_scope_assignments(self):
+        for project in self:
+            manager_assignment = project._get_portfolio_role_assignment(
+                'project_task_timesheet_extended.role_project_manager'
+            )
+            lead_assignment = project._get_portfolio_role_assignment(
+                'project_task_timesheet_extended.role_project_lead'
+            )
+            if (
+                manager_assignment
+                and project.user_id
+                and project.user_id not in project.allowed_project_manager_user_ids
+            ):
+                project.user_id = False
+            if lead_assignment and project.project_lead:
+                project.project_lead &= project.allowed_project_lead_user_ids
+            if project.portfolio_id.internal_team_ids:
+                for task_stage in project.type_ids:
+                    if task_stage.team_id and task_stage.team_id not in project.allowed_internal_team_ids:
+                        task_stage.team_id = False
+                        task_stage.involved_user_ids = [Command.clear()]
+
+    @api.constrains('portfolio_id', 'user_id', 'project_lead')
+    def _check_portfolio_role_users(self):
+        for project in self:
+            manager_assignment = project._get_portfolio_role_assignment(
+                'project_task_timesheet_extended.role_project_manager'
+            )
+            lead_assignment = project._get_portfolio_role_assignment(
+                'project_task_timesheet_extended.role_project_lead'
+            )
+            if (
+                manager_assignment
+                and project.user_id
+                and project.user_id not in project.allowed_project_manager_user_ids
+            ):
+                raise ValidationError(_(
+                    'The project manager must be one of the users selected for the Project Manager role on this portfolio.'
+                ))
+            if lead_assignment and project.project_lead - project.allowed_project_lead_user_ids:
+                raise ValidationError(_(
+                    'Project leads must be selected from the Project Lead users configured on this portfolio.'
+                ))
+
+    @api.constrains('portfolio_id', 'type_ids', 'type_ids.team_id')
+    def _check_portfolio_internal_teams(self):
+        for project in self:
+            if not project.portfolio_id.internal_team_ids:
+                continue
+            invalid_stages = project.type_ids.filtered(
+                lambda stage: stage.team_id and stage.team_id not in project.allowed_internal_team_ids
+            )
+            if invalid_stages:
+                raise ValidationError(_(
+                    'Task stage teams must be selected from the internal teams configured on this portfolio.'
+                ))
 
     project_lead = fields.Many2many(
         "res.users",
diff --git a/addons_extensions/project_task_timesheet_extended/models/project_portfolio.py b/addons_extensions/project_task_timesheet_extended/models/project_portfolio.py
index ced4172b9..3ac044e98 100644
--- a/addons_extensions/project_task_timesheet_extended/models/project_portfolio.py
+++ b/addons_extensions/project_task_timesheet_extended/models/project_portfolio.py
@@ -1,6 +1,7 @@
-from odoo import models, fields, api, _
-from datetime import date, timedelta
-import json
+from odoo import models, fields, api, _
+from odoo.exceptions import ValidationError
+from datetime import date, timedelta
+import json
 
 
 class ProjectPortfolio(models.Model):
@@ -23,11 +24,25 @@ class ProjectPortfolio(models.Model):
 
     description = fields.Text(string='Description')
 
-    project_ids = fields.One2many(
-        'project.project',
-        'portfolio_id',
-        string='Projects'
-    )
+    project_ids = fields.One2many(
+        'project.project',
+        'portfolio_id',
+        string='Projects'
+    )
+    internal_team_ids = fields.Many2many(
+        'internal.teams',
+        'project_portfolio_internal_team_rel',
+        'portfolio_id',
+        'team_id',
+        string='Internal Teams',
+        help='Internal teams available for projects linked to this portfolio.'
+    )
+    role_assignment_ids = fields.One2many(
+        'project.portfolio.role.assignment',
+        'portfolio_id',
+        string='Role Assignments',
+        help='Portfolio-specific users available for each project role.'
+    )
 
     company_id = fields.Many2one(
         'res.company',
@@ -533,19 +548,73 @@ class ProjectPortfolio(models.Model):
         }
 
 
-class Project(models.Model):
-    _inherit = 'project.project'
-
-    portfolio_id = fields.Many2one(
-        'project.portfolio',
-        string='Portfolio'
-    )
-
-
-
-class ProjectPortfolioEmployeePerformance(models.Model):
+class Project(models.Model):
+    _inherit = 'project.project'
+
+    portfolio_id = fields.Many2one(
+        'project.portfolio',
+        string='Portfolio'
+    )
+
+
+class ProjectPortfolioRoleAssignment(models.Model):
+    _name = 'project.portfolio.role.assignment'
+    _description = 'Project Portfolio Role Assignment'
+    _order = 'role_id'
+
+    portfolio_id = fields.Many2one(
+        'project.portfolio',
+        string='Portfolio',
+        required=True,
+        ondelete='cascade',
+    )
+    role_id = fields.Many2one(
+        'project.role',
+        string='Role',
+        required=True,
+        ondelete='cascade',
+    )
+    master_user_ids = fields.Many2many(
+        'res.users',
+        related='role_id.user_ids',
+        string='Master Assigned Users',
+        readonly=True,
+    )
+    user_ids = fields.Many2many(
+        'res.users',
+        'project_portfolio_role_user_rel',
+        'assignment_id',
+        'user_id',
+        string='Portfolio Users',
+        domain="[('id', 'in', master_user_ids)]",
+        help='Users selected for this role in this portfolio.'
+    )
+
+    _sql_constraints = [
+        (
+            'portfolio_role_unique',
+            'unique(portfolio_id, role_id)',
+            'Each role can only be configured once per portfolio.',
+        ),
+    ]
+
+    @api.onchange('role_id')
+    def _onchange_role_id(self):
+        for assignment in self:
+            assignment.user_ids &= assignment.role_id.user_ids
+
+    @api.constrains('role_id', 'user_ids')
+    def _check_user_ids_in_role_master(self):
+        for assignment in self:
+            if assignment.user_ids - assignment.role_id.user_ids:
+                raise ValidationError(_(
+                    'Portfolio users must be selected from the users assigned on the role master.'
+                ))
+
+
+class ProjectPortfolioEmployeePerformance(models.Model):
     _name = 'project.portfolio.employee.performance'
-    _description = 'Project Portfolio Employee Performance'
+    _description = 'Project Portfolio Employee Performance'
     _order = 'time_variance_percent desc'
 
     portfolio_id = fields.Many2one(
@@ -633,4 +702,4 @@ class ProjectPortfolioEmployeePerformance(models.Model):
     @api.depends('total_estimated_hours', 'total_actual_hours')
     def _compute_time_variance(self):
         for record in self:
-            record.time_variance = record.total_actual_hours - record.total_estimated_hours
\ No newline at end of file
+            record.time_variance = record.total_actual_hours - record.total_estimated_hours
diff --git a/addons_extensions/project_task_timesheet_extended/models/task_stages.py b/addons_extensions/project_task_timesheet_extended/models/task_stages.py
index 655d6ac8e..f0e8aee70 100644
--- a/addons_extensions/project_task_timesheet_extended/models/task_stages.py
+++ b/addons_extensions/project_task_timesheet_extended/models/task_stages.py
@@ -21,6 +21,11 @@ class TaskStages(models.Model):
         string='Team Users',
         compute='_compute_team_related_user_ids',
     )
+    allowed_internal_team_ids = fields.Many2many(
+        'internal.teams',
+        compute='_compute_allowed_internal_team_ids',
+        string='Allowed Internal Teams',
+    )
     is_workflow_template = fields.Boolean(
         string='Workflow Template Stage',
         default=False,
@@ -42,6 +47,22 @@ class TaskStages(models.Model):
         for rec in self:
             rec.team_related_user_ids = rec.team_id.all_members_ids | rec.team_id.team_lead
 
+    @api.depends('project_ids', 'project_ids.portfolio_id', 'project_ids.portfolio_id.internal_team_ids')
+    @api.depends_context('project_stage_project_id', 'default_project_id')
+    def _compute_allowed_internal_team_ids(self):
+        Team = self.env['internal.teams']
+        fallback_teams = Team.search([('active', '=', True)])
+        context_project = self.env['project.project'].browse(
+            self.env.context.get('project_stage_project_id') or self.env.context.get('default_project_id')
+        )
+        for rec in self:
+            project = context_project or rec.project_ids[:1]
+            rec.allowed_internal_team_ids = (
+                project.portfolio_id.internal_team_ids
+                if project and project.portfolio_id.internal_team_ids
+                else fallback_teams
+            )
+
     def _is_project_owned_stage(self, project):
         self.ensure_one()
         return (
diff --git a/addons_extensions/project_task_timesheet_extended/security/ir.model.access.csv b/addons_extensions/project_task_timesheet_extended/security/ir.model.access.csv
index 7ad8b014d..1b15496be 100644
--- a/addons_extensions/project_task_timesheet_extended/security/ir.model.access.csv
+++ b/addons_extensions/project_task_timesheet_extended/security/ir.model.access.csv
@@ -17,9 +17,11 @@ access_project_cancel_hold_wizard_supervisor,access.project.cancel.hold.wizard.s
 access_project_cancel_hold_wizard_manager,access.project.cancel.hold.wizard.manager,model_project_cancel_hold_wizard,project.group_project_manager,1,1,1,1
 
 access_project_role_user,project.role.user,model_project_role,base.group_user,1,0,0,0
+access_project_portfolio_role_assignment_user,project.portfolio.role.assignment.user,model_project_portfolio_role_assignment,base.group_user,1,1,1,0
 
 access_project_portfolio_user,project.portfolio.user,model_project_portfolio,base.group_user,1,1,1,0
 access_project_portfolio_manager,project.portfolio.manager,model_project_portfolio,project.group_project_manager,1,1,1,1
+access_project_portfolio_role_assignment_manager,project.portfolio.role.assignment.manager,model_project_portfolio_role_assignment,project.group_project_manager,1,1,1,1
 
 access_project_role_manager,project.role.manager,model_project_role,project.group_project_manager,1,1,1,1
 
diff --git a/addons_extensions/project_task_timesheet_extended/view/project.xml b/addons_extensions/project_task_timesheet_extended/view/project.xml
index 543dbe13a..e905f1cae 100644
--- a/addons_extensions/project_task_timesheet_extended/view/project.xml
+++ b/addons_extensions/project_task_timesheet_extended/view/project.xml
@@ -17,12 +17,18 @@
                 <attribute name="invisible">0</attribute>
             </xpath>
 
-            <xpath expr="//field[@name='user_id']" position="after">
-                <field name="project_lead" widget="many2many_avatar_user"/>
-            </xpath>
-            <xpath expr="//field[@name='user_id']" position="replace">
-                <field name="user_id" widget="user_timeline"/>
-            </xpath>
+            <xpath expr="//field[@name='user_id']" position="after">
+                <field name="project_lead"
+                       widget="many2many_avatar_user"
+                       domain="[('id', 'in', allowed_project_lead_user_ids)]"
+                       options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
+            </xpath>
+            <xpath expr="//field[@name='user_id']" position="replace">
+                <field name="user_id"
+                       widget="user_timeline"
+                       domain="[('id', 'in', allowed_project_manager_user_ids)]"
+                       options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
+            </xpath>
             <xpath expr="//page[@name='settings']" position="inside">
                 <group>
                     <group name="group_project_channel_managment" string="Project Channel" col="1"
@@ -85,6 +91,9 @@
                 <field name="enable_budget_summary" invisible="1"/>
                 <field name="can_edit_stage_in_approval" invisible="1"/>
                 <field name="active_sprint_id" invisible="1"/>
+                <field name="allowed_project_manager_user_ids" invisible="1"/>
+                <field name="allowed_project_lead_user_ids" invisible="1"/>
+                <field name="allowed_internal_team_ids" invisible="1"/>
             </xpath>
             <xpath expr="//div[@name='button_box']" position="inside">
                 <button class="oe_stat_button" type="object" name="action_open_sprint_backlog"
@@ -130,7 +139,10 @@
                         <list editable="bottom" open_form_view="True" delete="0">
                             <field name="sequence" widget="handle"/>
                             <field name="name"/>
-                            <field name="team_id" string="Assigned Team"/>
+                            <field name="team_id"
+                                   string="Assigned Team"
+                                   domain="[('id', 'in', parent.allowed_internal_team_ids)]"
+                                   options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
                             <field name="responsible_user_id" string="Responsible User" readonly="1"/>
                             <field name="approval_by" string="Approval Owner"/>
                             <field name="fold"/>
diff --git a/addons_extensions/project_task_timesheet_extended/view/project_portfolio.xml b/addons_extensions/project_task_timesheet_extended/view/project_portfolio.xml
index 4cbc7452a..566a69ce0 100644
--- a/addons_extensions/project_task_timesheet_extended/view/project_portfolio.xml
+++ b/addons_extensions/project_task_timesheet_extended/view/project_portfolio.xml
@@ -144,10 +144,33 @@
                         </group>
                     </group>
 
-                    <notebook>
-                        <page string="Projects" invisible="project_count == 0">
-                            <field name="project_ids">
-                                <list>
+                    <notebook>
+                        <page string="Internal Teams">
+                            <field name="internal_team_ids"
+                                   widget="many2many_tags"
+                                   options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
+                        </page>
+
+                        <page string="Portfolio Roles">
+                            <field name="role_assignment_ids">
+                                <list editable="bottom">
+                                    <field name="role_id"
+                                           options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
+                                    <field name="master_user_ids"
+                                           widget="many2many_tags"
+                                           readonly="1"
+                                           optional="show"/>
+                                    <field name="user_ids"
+                                           widget="many2many_tags"
+                                           domain="[('id', 'in', master_user_ids)]"
+                                           options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
+                                </list>
+                            </field>
+                        </page>
+
+                        <page string="Projects" invisible="project_count == 0">
+                            <field name="project_ids">
+                                <list>
                                     <field name="name"/>
                                     <field name="partner_id"/>
                                     <field name="user_id" widget="user_timeline"/>
diff --git a/addons_extensions/project_task_timesheet_extended/view/task_stages.xml b/addons_extensions/project_task_timesheet_extended/view/task_stages.xml
index c84170a1e..8ce86eedd 100644
--- a/addons_extensions/project_task_timesheet_extended/view/task_stages.xml
+++ b/addons_extensions/project_task_timesheet_extended/view/task_stages.xml
@@ -6,7 +6,10 @@
         <field name="inherit_id" ref="project.task_type_edit"/>
         <field name="arch" type="xml">
             <xpath expr="//field[@name='fold']" position="after">
-                <field name="team_id"/>
+                <field name="allowed_internal_team_ids" invisible="1"/>
+                <field name="team_id"
+                       domain="[('id', 'in', allowed_internal_team_ids)]"
+                       options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
                 <field name="responsible_user_id"/>
                 <field name="approval_by"/>
                 <field name="team_related_user_ids" invisible="1"/>
@@ -22,7 +25,11 @@
         <field name="inherit_id" ref="project.task_type_tree"/>
         <field name="arch" type="xml">
             <xpath expr="//field[@name='name']" position="after">
-                <field name="team_id" optional="show"/>
+                <field name="allowed_internal_team_ids" invisible="1"/>
+                <field name="team_id"
+                       optional="show"
+                       domain="[('id', 'in', allowed_internal_team_ids)]"
+                       options="{'no_create': True, 'no_create_edit': True, 'no_quick_create': True}"/>
                 <field name="responsible_user_id" optional="show"/>
                 <field name="approval_by" optional="show"/>
                 <field name="team_related_user_ids" invisible="1"/>