diff --git a/bin/pa11y-ci.js b/bin/pa11y-ci.js
index 515b68bf..61c64429 100755
--- a/bin/pa11y-ci.js
+++ b/bin/pa11y-ci.js
@@ -17,7 +17,7 @@ const globby = require('globby');
 const protocolify = require('protocolify');
 const pkg = require('../package.json');
 const commander = require('commander');
-
+const csvReporter = require('../lib/reporters/csv');
 
 // Here we're using Commander to specify the CLI options
 commander
@@ -47,6 +47,10 @@ commander
 		'-j, --json',
 		'Output results as JSON'
 	)
+	.option(
+		'--csv',
+		'Output results as CSV'
+	)
 	.option(
 		'-T, --threshold <number>',
 		'permit this number of errors, warnings, or notices, otherwise fail with exit code 2',
@@ -96,6 +100,11 @@ Promise.resolve()
 				return value;
 			}));
 		}
+		// Output CSV if asked for it
+		if (commander.csv) {
+			const reporter = csvReporter();
+			reporter(report);
+		}
 		// Decide on an exit code based on whether
 		// errors are below threshold or everything passes
 		if (report.errors >= parseInt(commander.threshold, 10) && report.passes < report.total) {
diff --git a/lib/helpers/resolver.js b/lib/helpers/resolver.js
index fff25ee3..63d44a28 100644
--- a/lib/helpers/resolver.js
+++ b/lib/helpers/resolver.js
@@ -4,7 +4,8 @@ const loadReporter = require('./loader');
 
 const reporterShorthand = {
 	cli: require.resolve('../reporters/cli.js'),
-	json: require.resolve('../reporters/json.js')
+	json: require.resolve('../reporters/json.js'),
+	csv: require.resolve('../reporters/csv.js')
 };
 
 module.exports = function resolveReporters(config = {}) {
diff --git a/lib/reporters/csv.js b/lib/reporters/csv.js
new file mode 100644
index 00000000..716a28a0
--- /dev/null
+++ b/lib/reporters/csv.js
@@ -0,0 +1,74 @@
+'use strict';
+
+const fs = require('fs');
+const {resolve, isAbsolute, dirname} = require('path');
+
+function writeReport(fileName, data) {
+	try {
+		const dirPath = dirname(fileName);
+		if (!(fs.existsSync(dirPath) && fs.lstatSync(dirPath).isDirectory())) {
+			fs.mkdirSync(dirPath, {recursive: true});
+		}
+		fs.writeFileSync(fileName, data);
+	} catch (error) {
+		console.error(`Unable to write ${fileName}`);
+		console.error(error);
+	}
+}
+
+function resolveFile(fileName) {
+	if (typeof fileName !== 'string') {
+		return null;
+	}
+	return isAbsolute(fileName) ? fileName : resolve(process.cwd(), fileName);
+}
+
+function stringify(value) {
+	if (typeof value === 'undefined' || value === null || value === '') {
+		return '';
+	}
+
+	const str = String(value);
+	return needsQuote(str) ? quoteField(str) : str;
+}
+
+function quoteField(field) {
+	return `"${field.replace(/"/g, '""')}"`;
+}
+
+function needsQuote(str) {
+	return str.includes(',') || str.includes('\r') || str.includes('\n') || str.includes('"');
+}
+
+module.exports = function csvReporter(options = {}) {
+	const fileName = resolveFile(options.fileName);
+	return {
+		afterAll(report) {
+			let csvString = 'url,code,type,typeCode,message,context,selector,runner\n';
+			const results = report.results;
+			for (const url in results) {
+				if (Object.prototype.hasOwnProperty.call(results, url)) {
+					const urlErrors = report.results[url];
+					for (const errorRow of urlErrors) {
+						const typeCode = errorRow.typeCode;
+						const message = stringify(errorRow.message);
+						const context = stringify(errorRow.context);
+						const selector = stringify(errorRow.selector);
+						csvString += `${url},${errorRow.code},${errorRow.type},${typeCode},` +
+							`${message},${context},` +
+							`${selector},${errorRow.runner}\n`;
+					}
+				}
+			}
+
+			// If reporter options specify an output file, write to file.
+			// Otherwise, write to console for backwards compatibility with
+			// previous --csv CLI option.
+			if (fileName) {
+				writeReport(fileName, csvString);
+			} else {
+				console.log(csvString);
+			}
+		}
+	};
+};