diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 000000000..18b158216
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,15 @@
+# Ignore everything except as negated below
+*
+
+!*.scss
+!*.md
+!*.yml
+!*.json
+
+# Ensures subdirectories are checked for files matching the above
+!*/
+
+config/locales/
+app/views/content/data_sharing_agreement.md
+
+# N.B. Anything specified in the .gitignore will also be ignored as long as prettier as run from this directory
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 000000000..0967ef424
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1 @@
+{}
diff --git a/lib/tasks/lint.rake b/lib/tasks/lint.rake
index dac1e0600..125a5b30e 100644
--- a/lib/tasks/lint.rake
+++ b/lib/tasks/lint.rake
@@ -18,5 +18,10 @@ task stylelint: :environment do
   sh "yarn stylelint app/frontend/styles"
 end
 
+desc "Run Prettier"
+task prettier: :environment do
+  sh "yarn prettier . --check"
+end
+
 desc "Run all the linters"
-task lint: %i[rubocop erblint standard stylelint]
+task lint: %i[rubocop erblint standard stylelint prettier]
diff --git a/package.json b/package.json
index a53828b06..fb787c63f 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
   "version": "0.1.0",
   "devDependencies": {
     "are-you-es5": "^2.1.2",
+    "prettier": "3.3.3",
     "standard": "^17.0.0",
     "stylelint": "^16.8.2",
     "stylelint-config-gds": "^2.0.0"
diff --git a/yarn.lock b/yarn.lock
index 7233f6a5a..4e2f7ff53 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4774,6 +4774,11 @@ prelude-ls@^1.2.1:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.2.1.tgz#debc6489d7a6e6b0e7611888cec880337d316396"
   integrity sha512-vkcDPrRZo1QZLbn5RLGPpg/WmIQ65qoWWhcGKf/b5eplkkarX0m9z8ppCat4mlOqUsWpyNuYgO3VRyrYHSzX5g==
 
+prettier@3.3.3:
+  version "3.3.3"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-3.3.3.tgz#30c54fe0be0d8d12e6ae61dbb10109ea00d53105"
+  integrity sha512-i2tDNA0O5IrMO757lfrdQZCc2jPNDVntV0m/+4whiDfWaTKfMNgR7Qz0NAeGz/nRqF4m5/6CLzbP4/liHt12Ew==
+
 process-nextick-args@~2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.1.tgz#7820d9b16120cc55ca9ae7792680ae7dba6d7fe2"