diff --git a/subworkflows/nf-core/utils_nfcore_pipeline/main.nf b/subworkflows/nf-core/utils_nfcore_pipeline/main.nf
index c1aecf6e42b..a8b55d6fe13 100644
--- a/subworkflows/nf-core/utils_nfcore_pipeline/main.nf
+++ b/subworkflows/nf-core/utils_nfcore_pipeline/main.nf
@@ -246,10 +246,33 @@ def logColours(monochrome_logs=true) {
     return colorcodes
 }
 
+//
+// Attach the multiqc report to email
+//
+def attachMultiqcReport(multiqc_report) {
+    def mqc_report = null
+    try {
+        if (workflow.success) {
+            mqc_report = multiqc_report.getVal()
+            if (mqc_report.getClass() == ArrayList && mqc_report.size() >= 1) {
+                if (mqc_report.size() > 1) {
+                    log.warn "[$workflow.manifest.name] Found multiple reports from process 'MULTIQC', will use only one"
+                }
+                mqc_report = mqc_report[0]
+            }
+        }
+    } catch (all) {
+        if (multiqc_report) {
+            log.warn "[$workflow.manifest.name] Could not attach MultiQC report to summary email"
+        }
+    }
+    return mqc_report
+}
+
 //
 // Construct and send completion email
 //
-def completionEmail(summary_params, email, email_on_fail, plaintext_email, outdir, monochrome_logs=true) {
+def completionEmail(summary_params, email, email_on_fail, plaintext_email, outdir, monochrome_logs=true, multiqc_report=null) {
 
     // Set up the e-mail variables
     def subject = "[$workflow.manifest.name] Successful: $workflow.runName"
@@ -287,6 +310,9 @@ def completionEmail(summary_params, email, email_on_fail, plaintext_email, outdi
     email_fields['projectDir']   = workflow.projectDir
     email_fields['summary']      = summary << misc_fields
 
+    // On success try attach the multiqc report
+    def mqc_report = attachMultiqcReport(multiqc_report)
+
     // Check if we are only sending emails on failure
     def email_address = email
     if (!email && email_on_fail && !workflow.success) {
@@ -305,7 +331,8 @@ def completionEmail(summary_params, email, email_on_fail, plaintext_email, outdi
     def email_html    = html_template.toString()
 
     // Render the sendmail template
-    def smail_fields           = [ email: email_address, subject: subject, email_txt: email_txt, email_html: email_html, projectDir: "${workflow.projectDir}" ]
+    def max_multiqc_email_size = (params.containsKey('max_multiqc_email_size') ? params.max_multiqc_email_size : 0) as nextflow.util.MemoryUnit
+    def smail_fields           = [ email: email_address, subject: subject, email_txt: email_txt, email_html: email_html, projectDir: "${workflow.projectDir}", mqcFile: mqc_report, mqcMaxSize: max_multiqc_email_size.toBytes() ]
     def sf                     = new File("${workflow.projectDir}/assets/sendmail_template.txt")
     def sendmail_template      = engine.createTemplate(sf).make(smail_fields)
     def sendmail_html          = sendmail_template.toString()