diff --git a/addons/l10n_ch/__init__.py b/addons/l10n_ch/__init__.py
index bdf4299e889..51cc38faafc 100644
--- a/addons/l10n_ch/__init__.py
+++ b/addons/l10n_ch/__init__.py
@@ -15,8 +15,8 @@ def load_translations(env):
 def init_settings(env):
     '''If the company is localized in Switzerland, activate the cash rounding by default.
     '''
-    # The cash rounding is activated by default only if the company is localized in Switzerland.
-    for company in env['res.company'].search([('partner_id.country_id.code', '=', "CH")]):
+    # The cash rounding is activated by default only if the company is localized in Switzerland or Liechtenstein.
+    for company in env['res.company'].search([('partner_id.country_id.code', 'in', ["CH", "LI"])]):
         res_config_id = env['res.config.settings'].create({
             'company_id': company.id,
             'group_cash_rounding': True
diff --git a/addons/l10n_ch/models/account_bank_statement.py b/addons/l10n_ch/models/account_bank_statement.py
index da63c6eb654..e44348730f2 100644
--- a/addons/l10n_ch/models/account_bank_statement.py
+++ b/addons/l10n_ch/models/account_bank_statement.py
@@ -9,7 +9,7 @@ class AccountBankStatementLine(models.Model):
     _inherit = "account.bank.statement.line"
 
     def _find_or_create_bank_account(self):
-        if self.company_id.account_fiscal_country_id.code == 'CH' and _is_l10n_ch_postal(self.account_number):
+        if self.company_id.account_fiscal_country_id.code in ('CH', 'LI') and _is_l10n_ch_postal(self.account_number):
             bank_account = self.env['res.partner.bank'].search(
                 [('company_id', '=', self.company_id.id),
                  ('sanitized_acc_number', 'like', self.account_number + '%'),
diff --git a/addons/l10n_ch/models/account_invoice.py b/addons/l10n_ch/models/account_invoice.py
index fa7611e79c5..634abc264e5 100644
--- a/addons/l10n_ch/models/account_invoice.py
+++ b/addons/l10n_ch/models/account_invoice.py
@@ -256,7 +256,7 @@ class AccountMove(models.Model):
     @api.depends('move_type', 'partner_bank_id', 'payment_reference')
     def _compute_l10n_ch_isr_needs_fixing(self):
         for inv in self:
-            if inv.move_type == 'in_invoice' and inv.company_id.account_fiscal_country_id.code == "CH":
+            if inv.move_type == 'in_invoice' and inv.company_id.account_fiscal_country_id.code in ('CH', 'LI'):
                 partner_bank = inv.partner_bank_id
                 needs_isr_ref = partner_bank.l10n_ch_qr_iban or partner_bank._is_isr_issuer()
                 if needs_isr_ref and not inv._has_isr_ref():
diff --git a/addons/l10n_ch/models/res_bank.py b/addons/l10n_ch/models/res_bank.py
index 1ef1e85f123..d24673ff425 100644
--- a/addons/l10n_ch/models/res_bank.py
+++ b/addons/l10n_ch/models/res_bank.py
@@ -44,7 +44,7 @@ def validate_qr_iban(qr_iban):
     # We sanitize first so that _check_qr_iban_range() can extract correct IID from IBAN to validate it.
     sanitized_qr_iban = sanitize_account_number(qr_iban)
 
-    if sanitized_qr_iban[:2] != 'CH':
+    if sanitized_qr_iban[:2] not in ['CH', 'LI']:
         raise ValidationError(_("QR-IBAN numbers are only available in Switzerland."))
 
     # Now, check if it's valid QR-IBAN (based on its IID).
@@ -122,11 +122,11 @@ class ResPartnerBank(models.Model):
     def _compute_l10n_ch_show_subscription(self):
         for bank in self:
             if bank.partner_id:
-                bank.l10n_ch_show_subscription = bank.partner_id.ref_company_ids.country_id.code == 'CH'
+                bank.l10n_ch_show_subscription = bank.partner_id.ref_company_ids.country_id.code in ('CH', 'LI')
             elif bank.company_id:
-                bank.l10n_ch_show_subscription = bank.company_id.account_fiscal_country_id.code == 'CH'
+                bank.l10n_ch_show_subscription = bank.company_id.account_fiscal_country_id.code in ('CH', 'LI')
             else:
-                bank.l10n_ch_show_subscription = self.env.company.account_fiscal_country_id.code == 'CH'
+                bank.l10n_ch_show_subscription = self.env.company.account_fiscal_country_id.code in ('CH', 'LI')
 
     @api.depends('acc_number', 'acc_type')
     def _compute_sanitized_acc_number(self):
@@ -207,7 +207,7 @@ class ResPartnerBank(models.Model):
         CHXX 0900 0XXX XXXX XXXX K
         Where 09000 is the clearing number
         """
-        return iban.startswith('CH') and iban[4:9] == CLEARING
+        return iban.startswith(('CH', 'LI')) and iban[4:9] == CLEARING
 
     @api.model
     def _pretty_postal_num(self, number):
@@ -353,7 +353,7 @@ class ResPartnerBank(models.Model):
                 error_messages.append(_("The account type isn't QR-IBAN or IBAN."))
             if self.partner_id.country_id.code != 'CH':
                 error_messages.append(_("Your company isn't located in Switzerland."))
-            if not debtor_partner or debtor_partner.country_id.code != 'CH':
+            if not debtor_partner or debtor_partner.country_id.code not in ('CH', 'LI'):
                 error_messages.append(_("The debtor partner's address isn't located in Switzerland."))
             if currency.id not in (self.env.ref('base.EUR').id, self.env.ref('base.CHF').id):
                 error_messages.append(_("The currency isn't EUR nor CHF. \r\n"))