diff --git a/addons/mcs_operating_system/hooks.py b/addons/mcs_operating_system/hooks.py
index 41a8786..b7ea46b 100644
--- a/addons/mcs_operating_system/hooks.py
+++ b/addons/mcs_operating_system/hooks.py
@@ -38,8 +38,7 @@ class OperatingSystemSetup:
             values = {"mcs_is_client_account": True}
             if not partner.mcs_account_status:
                 values["mcs_account_status"] = "active"
-            if partner.currency_id and not partner.mcs_currency_id:
-                values["mcs_currency_id"] = partner.currency_id.id
+            values.update(self._client_company_currency_values(partner))
             partner.write(values)
 
     def _ensure_active_portfolio(self):
@@ -143,12 +142,47 @@ class OperatingSystemSetup:
                 values["mcs_is_client_account"] = True
             if not partner.mcs_account_status:
                 values["mcs_account_status"] = "active"
-            if partner.currency_id and not partner.mcs_currency_id:
-                values["mcs_currency_id"] = partner.currency_id.id
+            values.update(self._client_company_currency_values(partner))
             if values:
                 partner.write(values)
         return partner
 
+    def _client_company_currency_values(self, partner):
+        invoice = self.Invoice.search(
+            [
+                ("move_type", "=", "out_invoice"),
+                ("state", "=", "posted"),
+                ("commercial_partner_id", "=", partner.commercial_partner_id.id),
+                ("company_id", "!=", False),
+            ],
+            order="invoice_date desc, id desc",
+            limit=1,
+        )
+        if invoice:
+            return {
+                "mcs_client_company_id": invoice.company_id.id,
+                "mcs_currency_id": invoice.currency_id.id or invoice.company_currency_id.id,
+            }
+        project = self.Project.search(
+            [("partner_id", "=", partner.id), ("company_id", "!=", False)],
+            order="write_date desc, id desc",
+            limit=1,
+        )
+        if project:
+            return {
+                "mcs_client_company_id": project.company_id.id,
+                "mcs_currency_id": project.company_id.currency_id.id,
+            }
+        if partner.currency_id:
+            company = self.env["res.company"].sudo().search(
+                [("currency_id", "=", partner.currency_id.id)], limit=1
+            )
+            values = {"mcs_currency_id": partner.currency_id.id}
+            if company:
+                values["mcs_client_company_id"] = company.id
+            return values
+        return {}
+
     def _ensure_project(self, partner, account_name, workstream, delivery_type):
         is_internal = partner.name == "Internal"
         project_name = "%s - %s" % (partner.name, workstream)
diff --git a/addons/mcs_operating_system/models/crm_lead.py b/addons/mcs_operating_system/models/crm_lead.py
index f928848..cebda6c 100644
--- a/addons/mcs_operating_system/models/crm_lead.py
+++ b/addons/mcs_operating_system/models/crm_lead.py
@@ -107,6 +107,10 @@ class CrmLead(models.Model):
             partner = lead.partner_id
             if partner:
                 values = {"mcs_is_client_account": True}
+                company = lead.company_id or self.env.company
+                if company:
+                    values["mcs_client_company_id"] = company.id
+                    values["mcs_currency_id"] = company.currency_id.id
                 if not partner.mcs_account_owner_id and lead.user_id:
                     values["mcs_account_owner_id"] = lead.user_id.id
                 partner.write(values)
@@ -123,6 +127,7 @@ class CrmLead(models.Model):
                     {
                         "name": project_name,
                         "partner_id": partner.id if partner else False,
+                        "company_id": lead.company_id.id if lead.company_id else self.env.company.id,
                         "user_id": lead.user_id.id if lead.user_id else False,
                         "allow_timesheets": True,
                         "allow_milestones": True,
diff --git a/addons/mcs_operating_system/models/res_partner.py b/addons/mcs_operating_system/models/res_partner.py
index 7131e55..fcf531c 100644
--- a/addons/mcs_operating_system/models/res_partner.py
+++ b/addons/mcs_operating_system/models/res_partner.py
@@ -35,6 +35,11 @@ class ResPartner(models.Model):
         string="MCS Currency",
         default=lambda self: self.env.company.currency_id,
     )
+    mcs_client_company_id = fields.Many2one(
+        "res.company",
+        string="MCS Company",
+        help="Company inferred from this client's invoices or delivery projects.",
+    )
     mcs_monthly_revenue = fields.Monetary(
         string="Monthly Revenue",
         currency_field="mcs_currency_id",
@@ -63,16 +68,28 @@ class ResPartner(models.Model):
         currency_field="mcs_currency_id",
         compute="_compute_mcs_account_metrics",
     )
+    mcs_total_invoiced_display = fields.Char(
+        string="Total Invoiced",
+        compute="_compute_mcs_account_metrics",
+    )
     mcs_total_outstanding = fields.Monetary(
         string="Outstanding Receivables",
         currency_field="mcs_currency_id",
         compute="_compute_mcs_account_metrics",
     )
+    mcs_total_outstanding_display = fields.Char(
+        string="Outstanding Receivables",
+        compute="_compute_mcs_account_metrics",
+    )
     mcs_total_overdue = fields.Monetary(
         string="Overdue Receivables",
         currency_field="mcs_currency_id",
         compute="_compute_mcs_account_metrics",
     )
+    mcs_total_overdue_display = fields.Char(
+        string="Overdue Receivables",
+        compute="_compute_mcs_account_metrics",
+    )
     mcs_last_invoice_date = fields.Date(
         string="Last Invoice Date",
         compute="_compute_mcs_account_metrics",
@@ -100,13 +117,17 @@ class ResPartner(models.Model):
             "mcs_account_status": "varchar",
             "mcs_account_health": "varchar",
             "mcs_currency_id": "integer",
+            "mcs_client_company_id": "integer",
             "mcs_monthly_revenue": "numeric",
             "mcs_contracted_value": "numeric",
             "mcs_monthly_hours": "double precision",
             "mcs_effective_hourly_revenue": "numeric",
             "mcs_total_invoiced": "numeric",
+            "mcs_total_invoiced_display": "varchar",
             "mcs_total_outstanding": "numeric",
+            "mcs_total_outstanding_display": "varchar",
             "mcs_total_overdue": "numeric",
+            "mcs_total_overdue_display": "varchar",
             "mcs_last_invoice_date": "date",
             "mcs_account_owner_id": "integer",
             "mcs_next_account_action": "varchar",
@@ -137,7 +158,8 @@ class ResPartner(models.Model):
                     ("move_type", "=", "out_invoice"),
                     ("state", "=", "posted"),
                     ("commercial_partner_id", "=", commercial_partner.id),
-                ]
+                ],
+                order="invoice_date desc, id desc",
             )
             overdue_invoices = invoices.filtered(
                 lambda invoice: invoice.invoice_date_due
@@ -145,10 +167,10 @@ class ResPartner(models.Model):
                 and invoice.payment_state not in ("paid", "in_payment", "reversed")
             )
             invoice_dates = [date for date in invoices.mapped("invoice_date") if date]
-            partner.mcs_currency_id = (
-                partner.currency_id.id
-                or self.env.company.currency_id.id
-            )
+            account_company = partner._mcs_resolve_client_company(invoices, projects)
+            account_currency = partner._mcs_resolve_client_currency(invoices, projects, account_company)
+            partner.mcs_client_company_id = account_company.id if account_company else False
+            partner.mcs_currency_id = account_currency.id
             partner.mcs_monthly_revenue = sum(projects.mapped("mcs_monthly_revenue_target"))
             partner.mcs_contracted_value = sum(projects.mapped("mcs_contracted_revenue"))
             partner.mcs_monthly_hours = sum(projects.mapped("mcs_actual_hours"))
@@ -158,18 +180,70 @@ class ResPartner(models.Model):
                 else 0
             )
             partner.mcs_total_invoiced = sum(invoices.mapped("amount_total_signed"))
+            partner.mcs_total_invoiced_display = partner._mcs_invoice_amount_display(
+                invoices, "amount_total", account_currency
+            )
             partner.mcs_total_outstanding = sum(
                 invoices.filtered(
                     lambda invoice: invoice.payment_state
                     not in ("paid", "in_payment", "reversed")
                 ).mapped("amount_residual_signed")
             )
+            partner.mcs_total_outstanding_display = partner._mcs_invoice_amount_display(
+                invoices.filtered(
+                    lambda invoice: invoice.payment_state
+                    not in ("paid", "in_payment", "reversed")
+                ),
+                "amount_residual",
+                account_currency,
+            )
             partner.mcs_total_overdue = sum(overdue_invoices.mapped("amount_residual_signed"))
+            partner.mcs_total_overdue_display = partner._mcs_invoice_amount_display(
+                overdue_invoices, "amount_residual", account_currency
+            )
             partner.mcs_last_invoice_date = max(invoice_dates) if invoice_dates else False
             partner.mcs_account_health = partner._mcs_resolve_account_health(
                 partner._mcs_get_account_health_signals(projects)
             )
 
+    def _mcs_resolve_client_company(self, invoices, projects):
+        company = invoices[:1].company_id if invoices else self.env["res.company"]
+        if not company and projects:
+            company = projects[:1].company_id
+        if not company:
+            company = self.company_id
+        return company
+
+    def _mcs_resolve_client_currency(self, invoices, projects, company):
+        currencies = invoices.mapped("currency_id")
+        if len(currencies) == 1:
+            return currencies
+        if invoices:
+            return invoices[:1].currency_id or invoices[:1].company_currency_id
+        if projects and projects[:1].company_id:
+            return projects[:1].company_id.currency_id
+        if company:
+            return company.currency_id
+        return self.currency_id or self.env.company.currency_id
+
+    def _mcs_invoice_amount_display(self, invoices, amount_field, default_currency):
+        buckets = {}
+        for invoice in invoices:
+            currency = invoice.currency_id or invoice.company_currency_id or default_currency
+            buckets[currency.id] = buckets.get(currency.id, 0) + (invoice[amount_field] or 0)
+        if not buckets and default_currency:
+            buckets[default_currency.id] = 0
+        if not buckets:
+            buckets[self.env.company.currency_id.id] = 0
+        Currency = self.env["res.currency"].sudo()
+        return " / ".join(
+            "%s %s" % (currency.name, "{:,.2f}".format(round(amount or 0, 2)))
+            for currency, amount in sorted(
+                ((Currency.browse(currency_id), amount) for currency_id, amount in buckets.items()),
+                key=lambda item: item[0].name,
+            )
+        )
+
     def _mcs_get_account_health_signals(self, projects):
         """Return health signals used to resolve client account health.
 
diff --git a/addons/mcs_operating_system/views/res_partner_views.xml b/addons/mcs_operating_system/views/res_partner_views.xml
index 16645f9..96b136b 100644
--- a/addons/mcs_operating_system/views/res_partner_views.xml
+++ b/addons/mcs_operating_system/views/res_partner_views.xml
@@ -9,6 +9,7 @@
                     <group>
                         <group string="Account Control">
                             <field name="mcs_is_client_account"/>
+                            <field name="mcs_client_company_id"/>
                             <field name="mcs_account_status"/>
                             <field name="mcs_account_health"/>
                             <field name="mcs_account_owner_id"/>
@@ -19,9 +20,9 @@
                             <field name="mcs_contracted_value"/>
                             <field name="mcs_monthly_hours"/>
                             <field name="mcs_effective_hourly_revenue"/>
-                            <field name="mcs_total_invoiced"/>
-                            <field name="mcs_total_outstanding"/>
-                            <field name="mcs_total_overdue"/>
+                            <field name="mcs_total_invoiced_display"/>
+                            <field name="mcs_total_outstanding_display"/>
+                            <field name="mcs_total_overdue_display"/>
                             <field name="mcs_last_invoice_date"/>
                         </group>
                     </group>
@@ -50,15 +51,16 @@
         <field name="arch" type="xml">
             <tree decoration-danger="mcs_account_health in ('at_risk','blocked')" decoration-warning="mcs_account_health == 'watch'">
                 <field name="display_name"/>
+                <field name="mcs_client_company_id"/>
                 <field name="mcs_account_status"/>
                 <field name="mcs_account_health"/>
                 <field name="mcs_account_owner_id"/>
                 <field name="mcs_currency_id" column_invisible="True"/>
                 <field name="mcs_monthly_revenue"/>
                 <field name="mcs_contracted_value"/>
-                <field name="mcs_total_invoiced"/>
-                <field name="mcs_total_outstanding"/>
-                <field name="mcs_total_overdue"/>
+                <field name="mcs_total_invoiced_display"/>
+                <field name="mcs_total_outstanding_display"/>
+                <field name="mcs_total_overdue_display"/>
                 <field name="mcs_last_invoice_date"/>
                 <field name="mcs_monthly_hours"/>
                 <field name="mcs_next_account_action"/>
@@ -66,12 +68,33 @@
         </field>
     </record>
 
+    <record id="view_partner_search_mcs_client_account" model="ir.ui.view">
+        <field name="name">res.partner.search.mcs.client.account</field>
+        <field name="model">res.partner</field>
+        <field name="arch" type="xml">
+            <search>
+                <field name="display_name"/>
+                <field name="mcs_client_company_id"/>
+                <field name="mcs_account_owner_id"/>
+                <field name="mcs_account_status"/>
+                <filter string="Canada Company" name="mcs_company_canada" domain="[('mcs_client_company_id.name','=','Metatroncube Software Solutions')]"/>
+                <filter string="India LLP" name="mcs_company_india" domain="[('mcs_client_company_id.name','=','Metatroncube Software Solutions LLP')]"/>
+                <group expand="0" string="Group By">
+                    <filter string="MCS Company" name="group_mcs_client_company" context="{'group_by':'mcs_client_company_id'}"/>
+                    <filter string="Currency" name="group_mcs_currency" context="{'group_by':'mcs_currency_id'}"/>
+                    <filter string="Health" name="group_mcs_health" context="{'group_by':'mcs_account_health'}"/>
+                </group>
+            </search>
+        </field>
+    </record>
+
     <record id="action_mcs_client_accounts" model="ir.actions.act_window">
         <field name="name">Client Accounts</field>
         <field name="res_model">res.partner</field>
         <field name="view_mode">tree,form</field>
         <field name="view_id" ref="view_partner_tree_mcs_client_account"/>
+        <field name="search_view_id" ref="view_partner_search_mcs_client_account"/>
         <field name="domain">[('mcs_is_client_account','=',True)]</field>
-        <field name="context">{'default_mcs_is_client_account': True}</field>
+        <field name="context">{'default_mcs_is_client_account': True, 'group_by': 'mcs_client_company_id'}</field>
     </record>
 </odoo>