diff --git a/CODEOWNERS b/CODEOWNERS
index cbd4ae11c24..dee1a510e2e 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -284,6 +284,7 @@ homeassistant/components/plaato/* @JohNan
 homeassistant/components/plant/* @ChristianKuehnel
 homeassistant/components/plex/* @jjlawren
 homeassistant/components/plugwise/* @laetificat @CoMPaTech @bouwew
+homeassistant/components/plum_lightpad/* @ColinHarrington
 homeassistant/components/point/* @fredrike
 homeassistant/components/powerwall/* @bdraco
 homeassistant/components/proxmoxve/* @k4ds3
diff --git a/homeassistant/components/plum_lightpad/light.py b/homeassistant/components/plum_lightpad/light.py
index e19035789b8..1ce76d9dc5f 100644
--- a/homeassistant/components/plum_lightpad/light.py
+++ b/homeassistant/components/plum_lightpad/light.py
@@ -97,7 +97,7 @@ class GlowRing(Light):
         self._name = f"{lightpad.friendly_name} Glow Ring"
 
         self._state = lightpad.glow_enabled
-        self._brightness = lightpad.glow_intensity * 255.0
+        self._glow_intensity = lightpad.glow_intensity
 
         self._red = lightpad.glow_color["red"]
         self._green = lightpad.glow_color["green"]
@@ -112,7 +112,7 @@ class GlowRing(Light):
         config = event["changes"]
 
         self._state = config["glowEnabled"]
-        self._brightness = config["glowIntensity"] * 255.0
+        self._glow_intensity = config["glowIntensity"]
 
         self._red = config["glowColor"]["red"]
         self._green = config["glowColor"]["green"]
@@ -138,12 +138,12 @@ class GlowRing(Light):
     @property
     def brightness(self) -> int:
         """Return the brightness of this switch between 0..255."""
-        return self._brightness
+        return min(max(int(round(self._glow_intensity * 255, 0)), 0), 255)
 
     @property
     def glow_intensity(self):
         """Brightness in float form."""
-        return self._brightness / 255.0
+        return self._glow_intensity
 
     @property
     def is_on(self) -> bool:
@@ -163,7 +163,8 @@ class GlowRing(Light):
     async def async_turn_on(self, **kwargs):
         """Turn the light on."""
         if ATTR_BRIGHTNESS in kwargs:
-            await self._lightpad.set_config({"glowIntensity": kwargs[ATTR_BRIGHTNESS]})
+            brightness_pct = kwargs[ATTR_BRIGHTNESS] / 255.0
+            await self._lightpad.set_config({"glowIntensity": brightness_pct})
         elif ATTR_HS_COLOR in kwargs:
             hs_color = kwargs[ATTR_HS_COLOR]
             red, green, blue = color_util.color_hs_to_RGB(*hs_color)
@@ -174,6 +175,7 @@ class GlowRing(Light):
     async def async_turn_off(self, **kwargs):
         """Turn the light off."""
         if ATTR_BRIGHTNESS in kwargs:
-            await self._lightpad.set_config({"glowIntensity": kwargs[ATTR_BRIGHTNESS]})
+            brightness_pct = kwargs[ATTR_BRIGHTNESS] / 255.0
+            await self._lightpad.set_config({"glowIntensity": brightness_pct})
         else:
             await self._lightpad.set_config({"glowEnabled": False})
diff --git a/homeassistant/components/plum_lightpad/manifest.json b/homeassistant/components/plum_lightpad/manifest.json
index e22f301bf38..1063d4b439e 100644
--- a/homeassistant/components/plum_lightpad/manifest.json
+++ b/homeassistant/components/plum_lightpad/manifest.json
@@ -4,5 +4,5 @@
   "documentation": "https://www.home-assistant.io/integrations/plum_lightpad",
   "requirements": ["plumlightpad==0.0.11"],
   "dependencies": [],
-  "codeowners": []
+  "codeowners": ["@ColinHarrington"]
 }