diff --git a/.github/workflows/pull_request_ubuntu_build.yml b/.github/workflows/pull_request_ubuntu_build.yml
new file mode 100644
index 0000000..de4a2c6
--- /dev/null
+++ b/.github/workflows/pull_request_ubuntu_build.yml
@@ -0,0 +1,36 @@
+name: CI - Pull request - Ubuntu
+
+on:
+  pull_request:
+
+jobs:
+  build-handler:
+    name: Build Transaction Counting Handler
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+      - name: Build with Maven
+        working-directory: ./counter
+        run: mvn package --file pom.xml
+      - name: Upload test coverage to Codecov
+        uses: codecov/codecov-action@v4
+
+  build-service:
+    name: Build Transaction Counting Service
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      - name: Set up Ballerina
+        uses: ballerina-platform/setup-ballerina@v1
+        with:
+          version: '2201.8.0'
+      - name: Build Ballerina service
+        working-directory: ./service
+        run: bal build
diff --git a/counter/pom.xml b/counter/pom.xml
index b3f63f3..b002412 100644
--- a/counter/pom.xml
+++ b/counter/pom.xml
@@ -141,6 +141,65 @@
           <autoVersionSubmodules>true</autoVersionSubmodules>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.jacoco</groupId>
+        <artifactId>jacoco-maven-plugin</artifactId>
+        <version>0.8.4</version>
+        <executions>
+          <execution>
+            <id>default-prepare-agent-by-coverage-enforcer</id>
+            <goals>
+              <goal>prepare-agent</goal>
+            </goals>
+            <configuration>
+              <propertyName>argLine</propertyName>
+            </configuration>
+          </execution>
+          <execution>
+            <id>default-report-by-coverage-enforcer</id>
+            <goals>
+              <goal>report</goal>
+            </goals>
+            <configuration>
+              <dataFile>${project.build.directory}/jacoco.exec</dataFile>
+            </configuration>
+          </execution>
+          <execution>
+            <id>default-check-by-coverage-enforcer</id>
+            <goals>
+              <goal>check</goal>
+            </goals>
+            <configuration>
+              <dataFile>${project.build.directory}/jacoco.exec</dataFile>
+              <rules>
+                <!-- implementation is needed only for Maven 2 -->
+                <rule implementation="org.jacoco.maven.RuleConfiguration">
+                  <element>BUNDLE</element>
+                  <limits>
+                    <!-- implementation is needed only for Maven 2 -->
+                    <limit implementation="org.jacoco.report.check.Limit">
+                      <counter>LINE</counter>
+                      <value>COVEREDRATIO</value>
+                      <minimum>0.0</minimum>
+                    </limit>
+                  </limits>
+                </rule>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <version>2.22.2</version>
+        <configuration>
+          <argLine>${argLine}</argLine>
+        </configuration>
+      </plugin>
+      <plugin>
+        <artifactId>maven-failsafe-plugin</artifactId>
+        <version>2.22.2</version>
+      </plugin>
     </plugins>
   </build>