diff --git a/models/organization/team_group.go b/models/organization/team_group.go
new file mode 100644
index 0000000000..95b1d6d983
--- /dev/null
+++ b/models/organization/team_group.go
@@ -0,0 +1,33 @@
+package organization
+
+import (
+	"code.gitea.io/gitea/models/db"
+	group_model "code.gitea.io/gitea/models/group"
+	"code.gitea.io/gitea/models/perm"
+	"code.gitea.io/gitea/models/unit"
+	"context"
+)
+
+func GetTeamsWithAccessToGroup(ctx context.Context, orgID, groupID int64, mode perm.AccessMode) ([]*Team, error) {
+	teams := make([]*Team, 0)
+	inCond := group_model.ParentGroupCond("group_team.group_id", groupID)
+	return teams, db.GetEngine(ctx).Where("group_team.access_mode >= ?", mode).
+		Join("INNER", "group_team", "group_team.team_id = team.id").
+		And("group_team.org_id = ?", orgID).
+		And(inCond).
+		OrderBy("name").
+		Find(&teams)
+}
+
+func GetTeamsWithAccessToGroupUnit(ctx context.Context, orgID, groupID int64, mode perm.AccessMode, unitType unit.Type) ([]*Team, error) {
+	teams := make([]*Team, 0)
+	inCond := group_model.ParentGroupCond("group_team.group_id", groupID)
+	return teams, db.GetEngine(ctx).Where("group_team.access_mode >= ?", mode).
+		Join("INNER", "group_team", "group_team.team_id = team.id").
+		Join("INNER", "group_unit", "group_unit.team_id = team.id").
+		And("group_team.org_id = ?", orgID).
+		And(inCond).
+		And("group_unit.type = ?", unitType).
+		OrderBy("name").
+		Find(&teams)
+}