diff --git a/app/app/controllers/display/company/review.js b/app/app/controllers/display/company/review.js
index 3759de5..48d95ae 100644
--- a/app/app/controllers/display/company/review.js
+++ b/app/app/controllers/display/company/review.js
@@ -1,9 +1,31 @@
 import Controller from 'cuf/controllers/display/company';
 import { computed } from '@ember/object';
+import { inject } from '@ember/service';
+
+import mutation from 'cuf/gql/mutations/complete';
 
 export default Controller.extend({
-  options: { toolbarButtons: [] },
+  apollo: inject(),
   body: computed('model.submission.payload.body', function() {
     return `<div contenteditable=false>${this.get('model.submission.payload.body')}</div>`;
   }),
+  init() {
+    this._super(...arguments);
+    this.set('options', {
+      toolbarButtons: []
+    });
+  },
+  actions: {
+    async done() {
+      try {
+        const id = this.get('model.submission.id');
+        await this.get('apollo').mutate({ mutation, variables: { id } });
+        this.get('notify').info('Marked as done!');
+        this.set('model.submission.reviewed', true);
+      } catch (e) {
+        console.error(e); // eslint-disable-line no-console
+        this.get('notify').alert('Something went wrong -- please try again!', { closeAfter: null });
+      }
+    },
+  },
 });
diff --git a/app/app/gql/mutations/complete.graphql b/app/app/gql/mutations/complete.graphql
new file mode 100644
index 0000000..f02d47a
--- /dev/null
+++ b/app/app/gql/mutations/complete.graphql
@@ -0,0 +1,7 @@
+mutation Complete($id: String!) {
+	complete(id: $id) {
+		result {
+			ok
+		}
+	}
+}
diff --git a/app/app/styles/app.scss b/app/app/styles/app.scss
index aedac15..4a21d6b 100644
--- a/app/app/styles/app.scss
+++ b/app/app/styles/app.scss
@@ -43,3 +43,9 @@ body.transitioning {
   padding: 1em;
   min-height: 8em;
 }
+
+.field-modified {
+  background-color: rgba(24, 188, 156, 0.1) !important;
+  border: 1px solid rgb(24, 188, 156);
+  border-right: none;
+}
diff --git a/app/app/templates/display/company/review.hbs b/app/app/templates/display/company/review.hbs
index ceff3a8..2aa03ea 100644
--- a/app/app/templates/display/company/review.hbs
+++ b/app/app/templates/display/company/review.hbs
@@ -6,7 +6,15 @@
     <p>When you are finished making changes, click the "Done" button.</p>
   </div>
   <div class="col-12 col-md-4 col-lg-3 col-xl-2">
-    <button class="btn btn-block btn-success">{{entypo-icon "save"}} Done</button>
+    {{#if model.submission.reviewed}}
+      <button class="btn btn-block btn-outline-success disabled">
+        {{entypo-icon "check"}} <span class="d-none d-md-inline">Done!</span>
+      </button>
+    {{else}}
+      <button class="btn btn-block btn-primary" {{ action "done" }}>
+        {{entypo-icon "check"}} <span class="d-none d-md-inline">Mark as done</span>
+      </button>
+    {{/if}}
   </div>
 </div>
 <hr>
diff --git a/app/app/templates/display/company/review/fields.hbs b/app/app/templates/display/company/review/fields.hbs
index 4fa4862..4d2750a 100644
--- a/app/app/templates/display/company/review/fields.hbs
+++ b/app/app/templates/display/company/review/fields.hbs
@@ -6,11 +6,11 @@
       <label for="{{ field.key }}-input">{{ field.label }}</label>
       <div class="input-group">
         {{#if (eq field.type "long")}}
-          <div class="form-control {{ if (eq (get model.company field.key) (get model.submission.payload field.key)) "text-muted" "border-success" }}" style="height: inherit;">
+          <div class="form-control {{ if (eq (get model.company field.key) (get model.submission.payload field.key)) "text-muted" "field-modified" }}" style="height: inherit;">
             {{ froala-editor content=body options=options }}
           </div>
         {{else}}
-          <div readonly class="form-control form-control-plaintext {{ if (eq (get model.company field.key) (get model.submission.payload field.key)) "text-muted" "border-success" }}">
+          <div readonly class="form-control form-control-plaintext {{ if (eq (get model.company field.key) (get model.submission.payload field.key)) "text-muted" "field-modified" }}">
             {{ get model.submission.payload field.key }}
           </div>
         {{/if}}
diff --git a/graph/src/definitions/index.js b/graph/src/definitions/index.js
index a3acf57..b5feeed 100644
--- a/graph/src/definitions/index.js
+++ b/graph/src/definitions/index.js
@@ -13,10 +13,18 @@ module.exports = gql`
 
   type Mutation {
     company(input: CompanyUpdateInput!): CompanyUpdateSubmission!
-    complete(id: String!): String!
+    complete(id: String!): MongoUpdate!
     singleUpload(file: Upload!): String!
   }
 
+  type MongoUpdate {
+    result: MongoUpdateStatus
+  }
+
+  type MongoUpdateStatus {
+    ok: Int!
+  }
+
   enum CompanyTypes {
     Company
     Agency
diff --git a/graph/src/mongodb.js b/graph/src/mongodb.js
index 9773b26..c7c4edd 100644
--- a/graph/src/mongodb.js
+++ b/graph/src/mongodb.js
@@ -12,5 +12,5 @@ module.exports = {
   connect: () => promise,
   retrieve: id => client.db().collection('submission').findOne({ _id: new ObjectId(id) }),
   insert: payload => client.db().collection('submission').insertOne(payload),
-  complete: id => client.db().collection('submission').updateOne({ _id: id }, { $set: { reviewed: true } }),
+  complete: id => client.db().collection('submission').updateOne({ _id: new ObjectId(id) }, { $set: { reviewed: true } }),
 };