diff --git a/Jenkinsfile b/Jenkinsfile
index 944a7e4..2062ffb 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,6 @@
 #!groovy
 
-// Copyright 2019 Blockchain Technology Partners
+// Copyright © 2023 Paravela Limited
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/build-tools/pom.xml b/build-tools/pom.xml
index f95418d..d640a45 100644
--- a/build-tools/pom.xml
+++ b/build-tools/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- * Copyright 2019 Blockchain Technology Partners
+ * Copyright © 2023 Paravela Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/build-tools/src/main/resources/LICENSE.txt b/build-tools/src/main/resources/LICENSE.txt
index b422a43..062dc3d 100644
--- a/build-tools/src/main/resources/LICENSE.txt
+++ b/build-tools/src/main/resources/LICENSE.txt
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/build-tools/src/main/resources/checkstyle.xml b/build-tools/src/main/resources/checkstyle.xml
index c93c0f2..390d680 100644
--- a/build-tools/src/main/resources/checkstyle.xml
+++ b/build-tools/src/main/resources/checkstyle.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- * Copyright 2019 Blockchain Technology Partners
+ * Copyright © 2023 Paravela Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/build-tools/src/main/resources/com/blockchaintp/pmd-ruleset.xml b/build-tools/src/main/resources/com/blockchaintp/pmd-ruleset.xml
index 3825f91..e3df302 100644
--- a/build-tools/src/main/resources/com/blockchaintp/pmd-ruleset.xml
+++ b/build-tools/src/main/resources/com/blockchaintp/pmd-ruleset.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- * Copyright 2019 Blockchain Technology Partners
+ * Copyright © 2023 Paravela Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/docker/docker-compose-build.yaml b/docker/docker-compose-build.yaml
index 05b3a27..f6a2714 100644
--- a/docker/docker-compose-build.yaml
+++ b/docker/docker-compose-build.yaml
@@ -1,4 +1,4 @@
-# Copyright 2019 Blockchain Technology Partners
+# Copyright © 2023 Paravela Limited
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/docker/toolchain.docker b/docker/toolchain.docker
index cd7fe74..c7780e0 100644
--- a/docker/toolchain.docker
+++ b/docker/toolchain.docker
@@ -1,4 +1,4 @@
-# Copyright 2019 Blockchain Technology Partners
+# Copyright © 2023 Paravela Limited
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
diff --git a/keymanager/pom.xml b/keymanager/pom.xml
index 06eab59..fee0564 100644
--- a/keymanager/pom.xml
+++ b/keymanager/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- * Copyright 2019 Blockchain Technology Partners
+ * Copyright © 2023 Paravela Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/keymanager/src/main/java/com/blockchaintp/keymanager/DirectoryKeyManager.java b/keymanager/src/main/java/com/blockchaintp/keymanager/DirectoryKeyManager.java
index 42b8597..a580862 100644
--- a/keymanager/src/main/java/com/blockchaintp/keymanager/DirectoryKeyManager.java
+++ b/keymanager/src/main/java/com/blockchaintp/keymanager/DirectoryKeyManager.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/keymanager/src/main/java/com/blockchaintp/keymanager/InMemoryKeyManager.java b/keymanager/src/main/java/com/blockchaintp/keymanager/InMemoryKeyManager.java
index 5a5f5a5..8bc6383 100644
--- a/keymanager/src/main/java/com/blockchaintp/keymanager/InMemoryKeyManager.java
+++ b/keymanager/src/main/java/com/blockchaintp/keymanager/InMemoryKeyManager.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/keymanager/src/main/java/com/blockchaintp/keymanager/KeyManager.java b/keymanager/src/main/java/com/blockchaintp/keymanager/KeyManager.java
index bc580c4..a0667bf 100644
--- a/keymanager/src/main/java/com/blockchaintp/keymanager/KeyManager.java
+++ b/keymanager/src/main/java/com/blockchaintp/keymanager/KeyManager.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/keymanager/src/main/java/com/blockchaintp/keymanager/package-info.java b/keymanager/src/main/java/com/blockchaintp/keymanager/package-info.java
index 6c6f04e..9ae22dd 100644
--- a/keymanager/src/main/java/com/blockchaintp/keymanager/package-info.java
+++ b/keymanager/src/main/java/com/blockchaintp/keymanager/package-info.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/pom.xml b/pom.xml
index ede3043..2e9a375 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- * Copyright 2019 Blockchain Technology Partners
+ * Copyright © 2023 Paravela Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/sawtooth-mttp/pom.xml b/sawtooth-mttp/pom.xml
index c3e1b36..6af0639 100644
--- a/sawtooth-mttp/pom.xml
+++ b/sawtooth-mttp/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- * Copyright 2019 Blockchain Technology Partners
+ * Copyright © 2023 Paravela Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/SendReceiveThread.java b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/SendReceiveThread.java
index 024133a..570dce9 100644
--- a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/SendReceiveThread.java
+++ b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/SendReceiveThread.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/ZmqStream.java b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/ZmqStream.java
index 10aff81..61acfa5 100644
--- a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/ZmqStream.java
+++ b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/ZmqStream.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/package-info.java b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/package-info.java
index cd5629a..57e2a80 100644
--- a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/package-info.java
+++ b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/messaging/package-info.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/MTTransactionProcessor.java b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/MTTransactionProcessor.java
index f7dd65e..8f139b6 100644
--- a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/MTTransactionProcessor.java
+++ b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/MTTransactionProcessor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Blockchain Technology Partners Licensed under the Apache License, Version 2.0 (the
+ * Copyright © 2023 Paravela Limited 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"
diff --git a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/package-info.java b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/package-info.java
index 1f7fff1..e751540 100644
--- a/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/package-info.java
+++ b/sawtooth-mttp/src/main/java/com/blockchaintp/sawtooth/processor/package-info.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/sawtooth-utils/pom.xml b/sawtooth-utils/pom.xml
index cefde93..038d35e 100644
--- a/sawtooth-utils/pom.xml
+++ b/sawtooth-utils/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
- * Copyright 2019 Blockchain Technology Partners
+ * Copyright © 2023 Paravela Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/SawtoothClientUtils.java b/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/SawtoothClientUtils.java
index 5cebfb6..b9b6b62 100644
--- a/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/SawtoothClientUtils.java
+++ b/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/SawtoothClientUtils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Blockchain Technology Partners Licensed under the Apache License, Version 2.0 (the
+ * Copyright © 2023 Paravela Limited 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"
diff --git a/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/package-info.java b/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/package-info.java
index 8ce2988..83be019 100644
--- a/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/package-info.java
+++ b/sawtooth-utils/src/main/java/com/blockchaintp/sawtooth/package-info.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/sawtooth-utils/src/main/java/com/blockchaintp/utils/package-info.java b/sawtooth-utils/src/main/java/com/blockchaintp/utils/package-info.java
index a017e5a..163b96c 100644
--- a/sawtooth-utils/src/main/java/com/blockchaintp/utils/package-info.java
+++ b/sawtooth-utils/src/main/java/com/blockchaintp/utils/package-info.java
@@ -1,4 +1,4 @@
-/* Copyright 2019 Blockchain Technology Partners
+/* Copyright © 2023 Paravela Limited
  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
diff --git a/sawtooth-utils/src/main/protos/btp_utils.proto b/sawtooth-utils/src/main/protos/btp_utils.proto
index 75d919e..7402ad3 100644
--- a/sawtooth-utils/src/main/protos/btp_utils.proto
+++ b/sawtooth-utils/src/main/protos/btp_utils.proto
@@ -1,5 +1,5 @@
 /*
- *  Copyright 2020 Blockchain Technology Partners
+ *  Copyright © 2023 Paravela Limited
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.