diff --git a/build/build.bat b/build/build.bat
index e2e6f843b8..3f02e5b320 100644
--- a/build/build.bat
+++ b/build/build.bat
@@ -44,6 +44,9 @@ if %errorlevel% neq 0 exit /b %errorlevel%
 %PYTHON3% .\check_build.py ..\base\
 if %errorlevel% neq 0 exit /b %errorlevel%
 
+%PYTHON3% .\check_tests.py ..\base\
+if %errorlevel% neq 0 exit /b %errorlevel%
+
 if "%BUILD_NUMBER%" == "" SET BUILD_NUMBER=SNAPSHOT
 
 set mvnErr=
diff --git a/build/check_tests.py b/build/check_tests.py
new file mode 100644
index 0000000000..22e5e844b8
--- /dev/null
+++ b/build/check_tests.py
@@ -0,0 +1,61 @@
+import os
+import sys
+import xml.etree.ElementTree as ET
+
+# Error level returned by script
+SUCCESS = 0
+INCORRECT_ARGS = 1
+TESTS_NOT_IN_POM = 2
+FILE_TYPE = ".tests"
+
+
+def check_tests_in_pom(ibex_gui_base):
+    pathsxml = ibex_gui_base + r"uk.ac.stfc.isis.ibex.client.tycho.parent\pom.xml"
+
+    folderfiles = os.listdir(ibex_gui_base)
+    testfiles = [name for name in folderfiles if name.endswith(FILE_TYPE)]
+
+    tree = ET.parse(pathsxml)
+    root = tree.getroot()
+    xmlmodulenames = []
+    for module in root.iter():
+        if module.tag.endswith("module"):
+            wholename = module.text
+
+            if wholename:
+                name = wholename[3:]
+            else:
+                name = ""
+
+            if name.endswith(FILE_TYPE):
+                xmlmodulenames.append(name)
+    missingtests = [file for file in testfiles if file not in xmlmodulenames]
+
+    if missingtests:
+        print(".test files in base/ not found in pom.xml")
+        print(f"Missing files: {missingtests}")
+        print("To fix this: add missing files to the list in client.tycho.parent/pom.xml")
+        return False
+    else:
+        return True
+
+
+def main(ibex_gui_base):
+    try:
+        os.chdir(ibex_gui_base)
+    except (FileNotFoundError, NotADirectoryError, PermissionError):
+        return INCORRECT_ARGS
+    if not check_tests_in_pom(ibex_gui_base):
+        return TESTS_NOT_IN_POM
+    print("check_tests: all test modules in pom.xml")
+    return SUCCESS
+
+
+if __name__ == "__main__":
+    result = SUCCESS
+    if len(sys.argv) != 2:
+        print("Incorrect arguments, expected path to build base directory")
+        result = INCORRECT_ARGS
+    else:
+        result = main(sys.argv[1])
+    sys.exit(result)