diff --git a/pkg/acme/util.go b/pkg/acme/util.go
index 10b7a1e9f..1e1a5e09c 100644
--- a/pkg/acme/util.go
+++ b/pkg/acme/util.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acme
 
 import (
diff --git a/pkg/controller/acmechallenges/checks.go b/pkg/controller/acmechallenges/checks.go
index 95da1436a..f00e6ce68 100644
--- a/pkg/controller/acmechallenges/checks.go
+++ b/pkg/controller/acmechallenges/checks.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmechallenges
 
 // no checks for the acme orders controller yet
diff --git a/pkg/controller/acmechallenges/controller.go b/pkg/controller/acmechallenges/controller.go
index a4e7c0844..87ce5745c 100644
--- a/pkg/controller/acmechallenges/controller.go
+++ b/pkg/controller/acmechallenges/controller.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmechallenges
 
 import (
diff --git a/pkg/controller/acmechallenges/sync.go b/pkg/controller/acmechallenges/sync.go
index aaf8f33bc..217ed1f22 100644
--- a/pkg/controller/acmechallenges/sync.go
+++ b/pkg/controller/acmechallenges/sync.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmechallenges
 
 import (
diff --git a/pkg/controller/acmechallenges/sync_test.go b/pkg/controller/acmechallenges/sync_test.go
index d1d699574..7aec14ae5 100644
--- a/pkg/controller/acmechallenges/sync_test.go
+++ b/pkg/controller/acmechallenges/sync_test.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmechallenges
 
 import (
diff --git a/pkg/controller/acmechallenges/util_test.go b/pkg/controller/acmechallenges/util_test.go
index af65bb9b2..8b4e87914 100644
--- a/pkg/controller/acmechallenges/util_test.go
+++ b/pkg/controller/acmechallenges/util_test.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmechallenges
 
 import (
diff --git a/pkg/controller/acmeorders/checks.go b/pkg/controller/acmeorders/checks.go
index fcaf6858f..46f7de17b 100644
--- a/pkg/controller/acmeorders/checks.go
+++ b/pkg/controller/acmeorders/checks.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmeorders
 
 // no checks for the acme orders controller yet
diff --git a/pkg/controller/acmeorders/controller.go b/pkg/controller/acmeorders/controller.go
index 6fd21d8c4..6dfc9391d 100644
--- a/pkg/controller/acmeorders/controller.go
+++ b/pkg/controller/acmeorders/controller.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmeorders
 
 import (
diff --git a/pkg/controller/acmeorders/sync.go b/pkg/controller/acmeorders/sync.go
index a67e62ee0..c905dc1d5 100644
--- a/pkg/controller/acmeorders/sync.go
+++ b/pkg/controller/acmeorders/sync.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmeorders
 
 import (
diff --git a/pkg/controller/acmeorders/sync_test.go b/pkg/controller/acmeorders/sync_test.go
index 0923020f4..d299043de 100644
--- a/pkg/controller/acmeorders/sync_test.go
+++ b/pkg/controller/acmeorders/sync_test.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmeorders
 
 import (
diff --git a/pkg/controller/acmeorders/util_test.go b/pkg/controller/acmeorders/util_test.go
index adcfb346e..0f0f155b2 100644
--- a/pkg/controller/acmeorders/util_test.go
+++ b/pkg/controller/acmeorders/util_test.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acmeorders
 
 import (
diff --git a/pkg/controller/test/actions.go b/pkg/controller/test/actions.go
index e8048e205..4d29a3895 100644
--- a/pkg/controller/test/actions.go
+++ b/pkg/controller/test/actions.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package test
 
 import (
diff --git a/pkg/controller/test/reactors.go b/pkg/controller/test/reactors.go
index 86842cb84..739835ab7 100644
--- a/pkg/controller/test/reactors.go
+++ b/pkg/controller/test/reactors.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package test
 
 import (
diff --git a/pkg/issuer/acme/issue_test.go b/pkg/issuer/acme/issue_test.go
index b219b63b1..f8b01dd2d 100644
--- a/pkg/issuer/acme/issue_test.go
+++ b/pkg/issuer/acme/issue_test.go
@@ -1,3 +1,19 @@
+/*
+Copyright 2018 The Jetstack cert-manager contributors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
 package acme
 
 import (