diff --git a/analytics/tests/test_views.py b/analytics/tests/test_views.py
index bf618d9ba0..a7389349f1 100644
--- a/analytics/tests/test_views.py
+++ b/analytics/tests/test_views.py
@@ -3,6 +3,7 @@ from typing import List, Optional
 
 import mock
 from django.utils.timezone import utc
+from django.http import HttpResponse
 
 from analytics.lib.counts import COUNT_STATS, CountStat
 from analytics.lib.time_utils import time_range
@@ -327,6 +328,94 @@ class TestGetChartData(ZulipTestCase):
                                  {'chart_name': 'number_of_humans'})
         self.assert_json_success(result)
 
+class TestSupportEndpoint(ZulipTestCase):
+    def test_search(self) -> None:
+        def check_hamlet_user_result(result: HttpResponse) -> None:
+            self.assert_in_success_response(['<span class="label">user</span>\n', '<h3>King Hamlet</h3>',
+                                             '<b>Email</b>: hamlet@zulip.com', '<b>Is active</b>: True<br>',
+                                             '<b>Admins</b>: iago@zulip.com <br>'], result)
+
+        def check_zulip_realm_result(result: HttpResponse) -> None:
+            self.assert_in_success_response(['<input type="hidden" name="realm_id" value="1"', 'Zulip Dev</h3>',
+                                             '<option value="1" selected>Self Hosted</option>',
+                                             '<option value="2" >Limited</option>',
+                                             'input type="number" name="discount" value="None"'], result)
+
+        def check_lear_realm_result(result: HttpResponse) -> None:
+            self.assert_in_success_response(['<input type="hidden" name="realm_id" value="3"', 'Lear &amp; Co.</h3>',
+                                             '<option value="1" selected>Self Hosted</option>',
+                                             '<option value="2" >Limited</option>',
+                                             'input type="number" name="discount" value="None"'], result)
+
+        cordelia_email = self.example_email("cordelia")
+        self.login(cordelia_email)
+
+        result = self.client_get("/activity/support")
+        self.assertEqual(result.status_code, 302)
+        self.assertEqual(result["Location"], "/login/")
+
+        iago_email = self.example_email("iago")
+        self.login(iago_email)
+
+        result = self.client_get("/activity/support")
+        self.assert_in_success_response(['<input type="text" name="q" class="input-xxlarge search-query"'], result)
+
+        result = self.client_get("/activity/support", {"q": "hamlet@zulip.com"})
+        check_hamlet_user_result(result)
+        check_zulip_realm_result(result)
+
+        result = self.client_get("/activity/support", {"q": "lear"})
+        check_lear_realm_result(result)
+
+        result = self.client_get("/activity/support", {"q": "http://lear.testserver"})
+        check_lear_realm_result(result)
+
+        with self.settings(REALM_HOSTS={'zulip': 'localhost'}):
+            result = self.client_get("/activity/support", {"q": "http://localhost"})
+            check_zulip_realm_result(result)
+
+        result = self.client_get("/activity/support", {"q": "hamlet@zulip.com, lear"})
+        check_hamlet_user_result(result)
+        check_zulip_realm_result(result)
+        check_lear_realm_result(result)
+
+        result = self.client_get("/activity/support", {"q": "lear, Hamlet <hamlet@zulip.com>"})
+        check_hamlet_user_result(result)
+        check_zulip_realm_result(result)
+        check_lear_realm_result(result)
+
+    def test_change_plan_type(self) -> None:
+        cordelia_email = self.example_email("cordelia")
+        self.login(cordelia_email)
+
+        result = self.client_post("/activity/support", {"realm_id": "1", "plan_type": "2"})
+        self.assertEqual(result.status_code, 302)
+        self.assertEqual(result["Location"], "/login/")
+
+        iago_email = self.example_email("iago")
+        self.login(iago_email)
+
+        with mock.patch("analytics.views.do_change_plan_type") as m:
+            result = self.client_post("/activity/support", {"realm_id": "1", "plan_type": "2"})
+            m.assert_called_once_with(get_realm("zulip"), 2)
+            self.assert_in_success_response(["Plan type of Zulip Dev changed to limited from self hosted"], result)
+
+    def test_attach_discount(self) -> None:
+        cordelia_email = self.example_email("cordelia")
+        self.login(cordelia_email)
+
+        result = self.client_post("/activity/support", {"realm_id": "3", "discount": "25"})
+        self.assertEqual(result.status_code, 302)
+        self.assertEqual(result["Location"], "/login/")
+
+        iago_email = self.example_email("iago")
+        self.login(iago_email)
+
+        with mock.patch("analytics.views.attach_discount_to_realm") as m:
+            result = self.client_post("/activity/support", {"realm_id": "3", "discount": "25"})
+            m.assert_called_once_with(get_realm("lear"), 25)
+            self.assert_in_success_response(["Discount of Lear &amp; Co. changed to 25 from None"], result)
+
 class TestGetChartDataHelpers(ZulipTestCase):
     # last_successful_fill is in analytics/models.py, but get_chart_data is
     # the only function that uses it at the moment
diff --git a/analytics/urls.py b/analytics/urls.py
index 1c4a6b229d..4addef1d24 100644
--- a/analytics/urls.py
+++ b/analytics/urls.py
@@ -7,6 +7,8 @@ i18n_urlpatterns = [
     # Server admin (user_profile.is_staff) visible stats pages
     url(r'^activity$', analytics.views.get_activity,
         name='analytics.views.get_activity'),
+    url(r'^activity/support$', analytics.views.support,
+        name='analytics.views.support'),
     url(r'^realm_activity/(?P<realm_str>[\S]+)/$', analytics.views.get_realm_activity,
         name='analytics.views.get_realm_activity'),
     url(r'^user_activity/(?P<email>[\S]+)/$', analytics.views.get_user_activity,
diff --git a/analytics/views.py b/analytics/views.py
index 4f558d65a9..0d666a5d4f 100644
--- a/analytics/views.py
+++ b/analytics/views.py
@@ -3,8 +3,11 @@ import itertools
 import logging
 import re
 import time
+import urllib
 from collections import defaultdict
 from datetime import datetime, timedelta
+from decimal import Decimal
+
 from typing import Any, Callable, Dict, List, \
     Optional, Set, Tuple, Type, Union, cast
 
@@ -18,6 +21,8 @@ from django.shortcuts import render
 from django.template import loader
 from django.utils.timezone import now as timezone_now, utc as timezone_utc
 from django.utils.translation import ugettext as _
+from django.core.validators import URLValidator
+from django.core.exceptions import ValidationError
 from jinja2 import Markup as mark_safe
 
 from analytics.lib.counts import COUNT_STATS, CountStat
@@ -31,6 +36,14 @@ from zerver.lib.json_encoder_for_html import JSONEncoderForHTML
 from zerver.lib.request import REQ, has_request_variables
 from zerver.lib.response import json_success
 from zerver.lib.timestamp import convert_to_UTC, timestamp_to_datetime
+from zerver.lib.realm_icon import realm_icon_url
+from zerver.views.invite import get_invitee_emails_set
+from zerver.lib.subdomains import get_subdomain_from_hostname
+from zerver.lib.actions import do_change_plan_type
+
+if settings.BILLING_ENABLED:
+    from corporate.lib.stripe import attach_discount_to_realm, get_discount_for_realm
+
 from zerver.models import Client, get_realm, Realm, \
     UserActivity, UserActivityInterval, UserProfile
 
@@ -1013,6 +1026,66 @@ def get_activity(request: HttpRequest) -> HttpResponse:
         context=dict(data=data, title=title, is_home=True),
     )
 
+@require_server_admin
+def support(request: HttpRequest) -> HttpResponse:
+    context = {}  # type: Dict[str, Any]
+    if settings.BILLING_ENABLED and request.method == "POST":
+        realm_id = request.POST.get("realm_id", None)
+        realm = Realm.objects.get(id=realm_id)
+
+        new_plan_type = request.POST.get("plan_type", None)
+        if new_plan_type is not None:
+            new_plan_type = int(new_plan_type)
+            current_plan_type = realm.plan_type
+            do_change_plan_type(realm, new_plan_type)
+            msg = "Plan type of {} changed to {} from {} ".format(realm.name, get_plan_name(new_plan_type),
+                                                                  get_plan_name(current_plan_type))
+            context["plan_type_msg"] = msg
+
+        new_discount = request.POST.get("discount", None)
+        if new_discount is not None:
+            new_discount = Decimal(new_discount)
+            current_discount = get_discount_for_realm(realm)
+            attach_discount_to_realm(realm, new_discount)
+            msg = "Discount of {} changed to {} from {} ".format(realm.name, new_discount, current_discount)
+            context["discount_msg"] = msg
+
+    query = request.GET.get("q", None)
+    if query:
+        key_words = get_invitee_emails_set(query)
+
+        users = UserProfile.objects.filter(email__in=key_words)
+        if users:
+            for user in users:
+                user.realm.realm_icon_url = realm_icon_url(user.realm)
+                user.realm.admins = UserProfile.objects.filter(realm=user.realm, is_realm_admin=True)
+                user.realm.default_discount = get_discount_for_realm(user.realm)
+            context["users"] = users
+
+        realms = set(Realm.objects.filter(string_id__in=key_words))
+
+        for key_word in key_words:
+            try:
+                URLValidator()(key_word)
+                parse_result = urllib.parse.urlparse(key_word)
+                hostname = parse_result.hostname
+                if parse_result.port:
+                    hostname = "{}:{}".format(hostname, parse_result.port)
+                subdomain = get_subdomain_from_hostname(hostname)
+                realm = get_realm(subdomain)
+                if realm is not None:
+                    realms.add(realm)
+            except ValidationError:
+                pass
+
+        if realms:
+            for realm in realms:
+                realm.realm_icon_url = realm_icon_url(realm)
+                realm.admins = UserProfile.objects.filter(realm=realm, is_realm_admin=True)
+                realm.default_discount = get_discount_for_realm(realm)
+            context["realms"] = realms
+    return render(request, 'analytics/support.html', context=context)
+
 def get_user_activity_records_for_realm(realm: str, is_bot: bool) -> QuerySet:
     fields = [
         'user_profile__full_name',
diff --git a/static/styles/activity.scss b/static/styles/activity.scss
index 24d9b29bd0..2b2e880fb0 100644
--- a/static/styles/activity.scss
+++ b/static/styles/activity.scss
@@ -48,3 +48,36 @@ tr.admin td:first-child {
     font-weight: bold;
     color: hsl(0, 100%, 39%);
 }
+
+.support-query-result {
+    background-color: hsl(210, 100%, 97%);
+    padding-left: 15px;
+    padding-top: 14px;
+    border-radius: 7px;
+    -webkit-box-shadow: 0 10px 7px -6px hsl(0, 2%, 45%);
+    -moz-box-shadow: 0 10px 7px -6px hsl(0, 2%, 45%);
+    box-shadow: 0 10px 7px -6px hsl(0, 2%, 45%);
+}
+
+.support-realm-icon {
+    max-width: 25px;
+    position: relative;
+    top: -2px;
+}
+
+.support-discount-form {
+    position: relative;
+    top: -25px;
+}
+
+.support-submit-button {
+    position: relative;
+    top: -5px;
+    border-color: hsl(0, 0%, 83%);
+    border-radius: 2px;
+}
+
+.support-search-button {
+    border-color: hsl(0, 0%, 83%);
+    border-radius: 2px;
+}
diff --git a/templates/analytics/support.html b/templates/analytics/support.html
new file mode 100644
index 0000000000..7354e8ec2e
--- /dev/null
+++ b/templates/analytics/support.html
@@ -0,0 +1,115 @@
+{% extends "zerver/base.html" %}
+
+{# User Activity. #}
+
+{% block title %}
+<title>Info</title>
+{% endblock %}
+
+
+{% block customhead %}
+{{ super() }}
+{{ render_bundle('activity') }}
+{% endblock %}
+
+{% block content %}
+<div class="container">
+    <br>
+    <form>
+        <center>
+            <input type="text" name="q" class="input-xxlarge search-query" placeholder="emails, string_ids, organization urls separated by commas" value="{{ request.GET.get('q', '') }}">
+            <button type="submit" class="btn support-search-button">Search</button>
+        </center>
+    </form>
+
+    {% if plan_type_msg %}
+    <div class="alert alert-success">
+        <center>
+            {{ plan_type_msg }}
+        </center>
+    </div>
+    {% endif %}
+
+    {% if discount_msg %}
+    <div class="alert alert-success">
+        <center>
+            {{ discount_msg }}
+        </center>
+    </div>
+    {% endif %}
+
+    <div id="query-results">
+        {% for user in users %}
+        <div class="support-query-result">
+            <span class="label">user</span>
+            <h3>{{ user.full_name }}</h3>
+            <b>Email</b>: {{ user.email }}<br>
+            <b>Date joined</b>: {{ user.date_joined|timesince }} ago<br>
+            <b>Is active</b>: {{ user.is_active }}<br>
+            <b>Is admin</b>: {{ user.is_realm_admin }}<br>
+            <br>
+            <div>
+                <span class="label">realm</span>
+                <h3><img src="{{ user.realm.realm_icon_url }}" class="support-realm-icon"> {{ user.realm.name }}</h3>
+                <b>URL</b>: <a target="_blank" href="{{ user.realm.uri }}">{{ user.realm.uri }}</a><br>
+                <b>Date created</b>: {{ user.realm.date_created|timesince }} ago<br>
+                <b>Is active</b>: {{ not user.realm.deactivated }}<br>
+                <b>Admins</b>: {% for admin in user.realm.admins %}{{ admin.email }} {% endfor %}<br>
+                <form method="POST">
+                    {{ csrf_input }}
+                    <input type="hidden" name="realm_id" value="{{ user.realm.id }}" />
+                    <b>Plan type</b>:<br>
+                    <select name="plan_type">
+                        <option value="1" {% if user.realm.plan_type == 1 %}selected{% endif %}>Self Hosted</option>
+                        <option value="2" {% if user.realm.plan_type == 2 %}selected{% endif %}>Limited</option>
+                        <option value="3" {% if user.realm.plan_type == 3 %}selected{% endif %}>Standard</option>
+                        <option value="4" {% if user.realm.plan_type == 4 %}selected{% endif %}>Standard Free</option>
+                    </select>
+                    <button type="submit" class="btn btn-small support-submit-button">Update</button>
+                </form>
+                <form method="POST" class="support-discount-form">
+                    <b>Discount</b>:<br>
+                    {{ csrf_input }}
+                    <input type="hidden" name="realm_id" value="{{ user.realm.id }}" />
+                    <input type="number" name="discount" value="{{user.realm.default_discount}}" required>
+                    <button type="submit" class="btn btn-small support-submit-button">Update</button>
+                </form>
+            </div>
+            <hr>
+        </div>
+        {% endfor %}
+
+        {% for realm in realms %}
+        <div class="support-query-result">
+            <span class="label">realm</span>
+            <h3><img src="{{ realm.realm_icon_url }}" class="support-realm-icon"> {{ realm.name }}</h3>
+            <b>URL</b>: <a target="_blank" href="{{ realm.uri }}">{{ realm.uri }}</a><br>
+            <b>Date created</b>: {{ realm.date_created|timesince }} ago<br>
+            <b>Is active</b>: {{ not realm.deactivated }}<br>
+            <b>Admins</b>: {% for admin in realm.admins %}{{ admin.email }} {% endfor %}<br>
+            <b>Plan type</b>:
+            <form method="POST">
+                {{ csrf_input }}
+                <input type="hidden" name="realm_id" value="{{ realm.id }}" />
+                <select name="plan_type">
+                    <option value="1" {% if realm.plan_type == 1 %}selected{% endif %}>Self Hosted</option>
+                    <option value="2" {% if realm.plan_type == 2 %}selected{% endif %}>Limited</option>
+                    <option value="3" {% if realm.plan_type == 3 %}selected{% endif %}>Standard</option>
+                    <option value="4" {% if realm.plan_type == 4 %}selected{% endif %}>Standard Free</option>
+                </select>
+                <button type="submit" class="btn btn-small support-submit-button">Update</button>
+            </form>
+            <form method="POST" class="support-discount-form">
+                <b>Discount</b>:<br>
+                {{ csrf_input }}
+                <input type="hidden" name="realm_id" value="{{ realm.id }}" />
+                <input type="number" name="discount" value="{{ realm.default_discount}}" required>
+                <button type="submit" class="btn btn-small support-submit-button">Update</button>
+            </form>
+            <hr>
+        </div>
+        {% endfor %}
+
+    </div>
+</div>
+{% endblock %}
diff --git a/tools/linter_lib/custom_check.py b/tools/linter_lib/custom_check.py
index a24fc9a3c0..699e4bd241 100644
--- a/tools/linter_lib/custom_check.py
+++ b/tools/linter_lib/custom_check.py
@@ -733,6 +733,7 @@ def build_custom_checkers(by_lang):
          'description': "`placeholder` value should be translatable.",
          'exclude_line': [('templates/zerver/register.html', 'placeholder="acme"'),
                           ('templates/zerver/register.html', 'placeholder="Acme or Aκμή"')],
+         'exclude': set(["templates/analytics/support.html"]),
          'good_lines': ['<input class="stream-list-filter" type="text" placeholder="{{ _(\'Search streams\') }}" />'],
          'bad_lines': ['<input placeholder="foo">']},
         {'pattern': "placeholder='[^{]",