diff --git a/src/main/groovy/uk/gov/hmrc/jenkinsjobbuilders/domain/step/NpmStep.groovy b/src/main/groovy/uk/gov/hmrc/jenkinsjobbuilders/domain/step/NpmStep.groovy
new file mode 100644
index 0000000..ac410cb
--- /dev/null
+++ b/src/main/groovy/uk/gov/hmrc/jenkinsjobbuilders/domain/step/NpmStep.groovy
@@ -0,0 +1,28 @@
+package uk.gov.hmrc.jenkinsjobbuilders.domain.step
+
+import static uk.gov.hmrc.jenkinsjobbuilders.domain.step.ShellStep.shellStep
+
+class NpmStep implements Step {
+
+    private static final String EOL = System.getProperty("line.separator")
+    private final Step step
+
+    private NpmStep(String bashScript, List<String> npmCommands) {
+        this.step = shellStep(sbtCommands.inject(bashScript + EOL) {
+            string, item -> string + EOL + "npm run $item"
+        })
+    }
+
+    static Step npmStep(List<String> commands) {
+        npmStep("", commands)
+    }
+
+    static Step npmStep(String bashScript, List<String> commands) {
+        new NpmStep(bashScript, commands)
+    }
+
+    @Override
+    Closure toDsl() {
+        step.toDsl()
+    }
+}
diff --git a/src/test/groovy/uk/gov/hmrc/jenkinsjobbuilders/domain/step/NpmStepSpec.groovy b/src/test/groovy/uk/gov/hmrc/jenkinsjobbuilders/domain/step/NpmStepSpec.groovy
new file mode 100644
index 0000000..ffd7039
--- /dev/null
+++ b/src/test/groovy/uk/gov/hmrc/jenkinsjobbuilders/domain/step/NpmStepSpec.groovy
@@ -0,0 +1,41 @@
+package uk.gov.hmrc.jenkinsjobbuilders.domain.step
+
+import javaposse.jobdsl.dsl.Job
+import spock.lang.Specification
+import uk.gov.hmrc.jenkinsjobbuilders.domain.JobParents
+import uk.gov.hmrc.jenkinsjobbuilders.domain.builder.JobBuilder
+
+import static uk.gov.hmrc.jenkinsjobbuilders.domain.step.NpmStep.npmStep
+
+@Mixin(JobParents)
+class NpmStepSpec extends Specification {
+
+    void 'test XML output'() {
+        given:
+        JobBuilder jobBuilder = new JobBuilder('test-job', 'test-job-description').
+                                               withSteps(npmStep(["test"]))
+
+        when:
+        Job job = jobBuilder.build(jobParent())
+
+        then:
+        with(job.node) {
+            builders.'hudson.tasks.Shell' [0].command.text().contains("npm run test")
+        }
+    }
+
+    void 'test prepended bash script'() {
+        given:
+        JobBuilder jobBuilder = new JobBuilder('test-job', 'test-job-description').
+                                               withSteps(npmStep("nvm use 4.8.4", ["test"]))
+
+        when:
+        Job job = jobBuilder.build(jobParent())
+
+        then:
+        with(job.node) {
+            builders.'hudson.tasks.Shell' [0].command.text().contains("nvm use 4.8.4")
+            builders.'hudson.tasks.Shell' [0].command.text().contains("npm run test")
+        }
+    }
+}