diff --git a/homeassistant/components/tts/__init__.py b/homeassistant/components/tts/__init__.py
index f445309fffe..82055d542ff 100644
--- a/homeassistant/components/tts/__init__.py
+++ b/homeassistant/components/tts/__init__.py
@@ -319,9 +319,6 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
 
     platform_setups = await async_setup_legacy(hass, config)
 
-    if platform_setups:
-        await asyncio.wait([asyncio.create_task(setup) for setup in platform_setups])
-
     component.async_register_entity_service(
         "speak",
         {
@@ -345,6 +342,15 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
         schema=SCHEMA_SERVICE_CLEAR_CACHE,
     )
 
+    for setup in platform_setups:
+        # Tasks are created as tracked tasks to ensure startup
+        # waits for them to finish, but we explicitly do not
+        # want to wait for them to finish here because we want
+        # any config entries that use tts as a base platform
+        # to be able to start with out having to wait for the
+        # legacy platforms to finish setting up.
+        hass.async_create_task(setup, eager_start=True)
+
     return True
 
 
diff --git a/tests/components/cloud/test_tts.py b/tests/components/cloud/test_tts.py
index 2fd42012c77..3797a9784e1 100644
--- a/tests/components/cloud/test_tts.py
+++ b/tests/components/cloud/test_tts.py
@@ -101,6 +101,7 @@ async def test_prefs_default_voice(
     """Test cloud provider uses the preferences."""
     assert await async_setup_component(hass, "homeassistant", {})
     assert await async_setup_component(hass, TTS_DOMAIN, {TTS_DOMAIN: platform_config})
+    await hass.async_block_till_done()
     assert await async_setup_component(hass, DOMAIN, {DOMAIN: {}})
     await hass.async_block_till_done()
 
@@ -108,6 +109,7 @@ async def test_prefs_default_voice(
 
     on_start_callback = cloud.register_on_start.call_args[0][0]
     await on_start_callback()
+    await hass.async_block_till_done()
 
     engine = get_engine_instance(hass, engine_id)
 
diff --git a/tests/components/microsoft/test_tts.py b/tests/components/microsoft/test_tts.py
index cd4ccabcf0d..c395dc82419 100644
--- a/tests/components/microsoft/test_tts.py
+++ b/tests/components/microsoft/test_tts.py
@@ -61,6 +61,7 @@ async def test_service_say(
     await async_setup_component(
         hass, tts.DOMAIN, {tts.DOMAIN: {"platform": "microsoft", "api_key": ""}}
     )
+    await hass.async_block_till_done()
 
     await hass.services.async_call(
         tts.DOMAIN,
@@ -110,6 +111,7 @@ async def test_service_say_en_gb_config(
             }
         },
     )
+    await hass.async_block_till_done()
 
     await hass.services.async_call(
         tts.DOMAIN,
@@ -151,6 +153,7 @@ async def test_service_say_en_gb_service(
         tts.DOMAIN,
         {tts.DOMAIN: {"platform": "microsoft", "api_key": ""}},
     )
+    await hass.async_block_till_done()
 
     await hass.services.async_call(
         tts.DOMAIN,
@@ -201,6 +204,7 @@ async def test_service_say_fa_ir_config(
             }
         },
     )
+    await hass.async_block_till_done()
 
     await hass.services.async_call(
         tts.DOMAIN,
@@ -246,6 +250,7 @@ async def test_service_say_fa_ir_service(
     }
 
     await async_setup_component(hass, tts.DOMAIN, config)
+    await hass.async_block_till_done()
 
     await hass.services.async_call(
         tts.DOMAIN,
@@ -303,6 +308,7 @@ async def test_invalid_language(hass: HomeAssistant, mock_tts, calls) -> None:
         tts.DOMAIN,
         {tts.DOMAIN: {"platform": "microsoft", "api_key": "", "language": "en"}},
     )
+    await hass.async_block_till_done()
 
     with pytest.raises(ServiceNotFound):
         await hass.services.async_call(
@@ -327,6 +333,7 @@ async def test_service_say_error(
     await async_setup_component(
         hass, tts.DOMAIN, {tts.DOMAIN: {"platform": "microsoft", "api_key": ""}}
     )
+    await hass.async_block_till_done()
 
     await hass.services.async_call(
         tts.DOMAIN,