diff --git a/sigi/apps/servicos/filters.py b/sigi/apps/servicos/filters.py
new file mode 100644
index 0000000..ba432b1
--- /dev/null
+++ b/sigi/apps/servicos/filters.py
@@ -0,0 +1,96 @@
+from datetime import date, timedelta
+from django.utils.translation import gettext as _
+from django.contrib import admin
+
+class ServicoAtivoFilter(admin.FieldListFilter):
+    parameter_name = None
+
+    def __init__(self, field, request, params, model, model_admin, field_path):
+        self.model = model
+        self.model_admin = model_admin
+        self.parameter_name = f'{field_path}__isnull'
+
+        super().__init__(field, request, params, model, model_admin, field_path)
+
+        self.title = _("Serviço ativo")
+
+        if self.parameter_name in params:
+            value = params.pop(self.parameter_name)
+            self.used_parameters[self.parameter_name] = value
+        lookup_choices = self.lookups(request, model_admin)
+
+        if lookup_choices is None:
+            lookup_choices = ()
+        self.lookup_choices = list(lookup_choices)
+
+    def lookups(self, request, model_admin):
+        return (
+            ('True', _('Ativo')),
+            ('False', _('Inativo'))
+        )
+
+    def has_output(self):
+        return self.model.objects.exists()
+
+    def value(self):
+        return self.used_parameters.get(self.parameter_name)
+
+    def expected_parameters(self):
+        return [self.parameter_name,]
+
+    def choices(self, changelist):
+        yield {
+            'selected': self.value() is None,
+            'query_string': changelist.get_query_string(
+                remove=[self.parameter_name]),
+            'display': _('All'),
+        }
+        for lookup, title in self.lookup_choices:
+            yield {
+                'selected': str(self.value()) == str(lookup),
+                'query_string': changelist.get_query_string(
+                    {self.parameter_name: lookup}
+                ),
+                'display': title,
+            }
+
+class DataUtimoUsoFilter(admin.SimpleListFilter):
+    title = _("Atualização")
+    parameter_name = 'atualizacao'
+
+    def lookups(self, request, model_admin):
+        return (
+            ('err', _("Erro na verificação")),
+            ('year', _("Sem atualização há um ano ou mais")),
+            ('semester', _("Sem atualização de seis meses a um ano")),
+            ('quarter', _("Sem atualização de três a seis meses")),
+            ('month', _("Sem atualização de um a três meses")),
+            ('week', _("Sem atualização de uma semana a um mês")),
+            ('updated', _("Atualizado na última semana")),
+        )
+
+    def queryset(self, request, queryset):
+        if self.value() is not None:
+            queryset = queryset.exclude(tipo_servico__string_pesquisa="")
+            if self.value() == 'err':
+                queryset = queryset.exclude(erro_atualizacao="")
+            elif self.value() == 'year':
+                limite = date.today() - timedelta(days=365)
+                queryset = queryset.filter(data_ultimo_uso__lte=limite)
+            else:
+                de = date.today() - (
+                    timedelta(days=365) if self.value() == 'semester' else
+                    timedelta(days=6*30) if self.value() == 'quarter' else
+                    timedelta(days=3*30) if self.value() == 'month' else
+                    timedelta(days=30) if self.value() == 'week' else
+                    timedelta(days=0)
+                )
+                ate = date.today() - (
+                    timedelta(days=6*30) if self.value() == 'semester' else
+                    timedelta(days=3*30) if self.value() == 'quarter' else
+                    timedelta(days=30) if self.value() == 'month' else
+                    timedelta(days=7) if self.value() == 'week' else
+                    timedelta(days=0)
+                )
+                queryset = queryset.filter(data_ultimo_uso__range=(de, ate))
+        return queryset
diff --git a/sigi/apps/servicos/forms.py b/sigi/apps/servicos/forms.py
new file mode 100644
index 0000000..c584451
--- /dev/null
+++ b/sigi/apps/servicos/forms.py
@@ -0,0 +1,30 @@
+from django.forms.models import ModelForm
+from django.utils.encoding import force_str
+from sigi.apps.servicos.models import Servico, CasaAtendida
+
+class ServicoFormAdmin(ModelForm):
+    class Meta:
+        model = Servico
+        fields = '__all__'
+
+    def __init__(self, *args, **kwargs):
+        super(ServicoFormAdmin, self).__init__(*args, **kwargs)
+
+        self.fields['contato_tecnico'].choices = ()
+        self.fields['contato_administrativo'].choices = ()
+
+        if self.instance.casa_legislativa_id:
+            id_casa = self.instance.casa_legislativa_id
+        elif 'initial' in kwargs and 'id_casa' in kwargs['initial']:
+            id_casa = kwargs['initial']['id_casa']
+            self.instance.casa_legislativa_id = id_casa
+        else:
+            id_casa = None
+
+        if id_casa:
+            casa = CasaAtendida.objects.get(pk=id_casa)
+            contatos = [
+                (f.id, force_str(f)) for f in casa.funcionario_set.all()
+            ]
+            self.fields['contato_tecnico'].choices = contatos
+            self.fields['contato_administrativo'].choices = contatos
diff --git a/sigi/apps/utils/templates/admin/date_range_filter.html b/sigi/apps/utils/templates/admin/date_range_filter.html
new file mode 100644
index 0000000..c3ee1ec
--- /dev/null
+++ b/sigi/apps/utils/templates/admin/date_range_filter.html
@@ -0,0 +1,13 @@
+{% load i18n %}
+{% with choice=choices.0 %}
+<div class="col s12">
+  <form method="get" action="{{ choice.query_string|iriencode }}">
+    <label>{% blocktrans with filter_title=title %} By {{ filter_title }} {% endblocktrans %}</label>
+    <button class="btn-floating btn-small right pulse waves-effect waves-light" type="submit"><i class="material-icons tiny">send</i></button>
+    <a href="{{ choice.query_string|iriencode }}">{% trans 'All' %}</a>
+    {% for field in choice.form %}
+      <input id="{{ field.id }}" name="{{ field.name }}" type="text" class="datepicker" value="{{ field.value|default_if_none:''|date:"SHORT_DATE_FORMAT" }}"/>
+    {% endfor %}
+  </form>
+</div>
+{% endwith %}
\ No newline at end of file