diff --git a/connections/BUILD b/connections/BUILD
index 7f270f99..c2a472c7 100644
--- a/connections/BUILD
+++ b/connections/BUILD
@@ -24,6 +24,7 @@ cc_library(
     copts = ["-DCORE_ADAPTER_DLL"],
     visibility = [
         "//connections:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
         "//location/nearby/testing:__subpackages__",
     ],
     deps = [
@@ -70,6 +71,7 @@ cc_library(
     visibility = [
         "//connections:__subpackages__",
         "//internal/platform/implementation/apple:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
         "//location/nearby/testing:__subpackages__",
     ],
     deps = [
diff --git a/fastpair/repository/BUILD b/fastpair/repository/BUILD
index 6bfb3386..5467d57b 100644
--- a/fastpair/repository/BUILD
+++ b/fastpair/repository/BUILD
@@ -16,7 +16,10 @@ cc_library(
     copts = [
         "-Ithird_party",
     ],
-    visibility = ["//fastpair:__subpackages__"],
+    visibility = [
+        "//fastpair:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
+    ],
     deps = [
         "//fastpair/common",
         "//fastpair/proto:fastpair_cc_proto",
diff --git a/internal/analytics/BUILD b/internal/analytics/BUILD
index bd6a902b..72b6179e 100644
--- a/internal/analytics/BUILD
+++ b/internal/analytics/BUILD
@@ -21,6 +21,7 @@ cc_library(
     visibility = [
         "//connections:__subpackages__",
         "//location/nearby/analytics/cpp:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
     ],
     deps = ["@com_google_protobuf//:protobuf"],
 )
diff --git a/internal/base/BUILD b/internal/base/BUILD
index 2bdeef6f..998aec84 100644
--- a/internal/base/BUILD
+++ b/internal/base/BUILD
@@ -14,6 +14,7 @@ cc_library(
         "//fastpair:__subpackages__",
         "//internal:__pkg__",
         "//location/nearby/cpp/fastpair:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
     ],
     deps = [
         "@com_google_absl//absl/container:flat_hash_set",
@@ -35,6 +36,7 @@ cc_library(
         "//fastpair:__subpackages__",
         "//internal:__subpackages__",
         "//location/nearby/cpp/fastpair:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
     ],
     deps = [
         "@com_google_absl//absl/strings",
diff --git a/internal/crypto/BUILD b/internal/crypto/BUILD
index ee15bac5..a9db74d2 100644
--- a/internal/crypto/BUILD
+++ b/internal/crypto/BUILD
@@ -13,7 +13,10 @@ licenses(["notice"])
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-package(default_visibility = ["//:__subpackages__"])
+package(default_visibility = [
+    "//:__subpackages__",
+    "//location/nearby/cpp/sharing/implementation:__subpackages__",
+])
 
 licenses(["notice"])
 
diff --git a/internal/flags/BUILD b/internal/flags/BUILD
index 8624a5aa..0eb21889 100644
--- a/internal/flags/BUILD
+++ b/internal/flags/BUILD
@@ -21,7 +21,11 @@ cc_library(
         "flag.h",
         "flag_reader.h",
     ],
-    visibility = ["//:__subpackages__"],
+    visibility = [
+        "//:__subpackages__",
+        "//location/nearby/cpp/experiments:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
+    ],
     deps = ["@com_google_absl//absl/strings"],
 )
 
diff --git a/internal/network/BUILD b/internal/network/BUILD
index 654e6dbc..e8a818a1 100644
--- a/internal/network/BUILD
+++ b/internal/network/BUILD
@@ -27,6 +27,7 @@ cc_library(
         "//internal/platform:__subpackages__",
         "//internal/platform/implementation:__subpackages__",
         "//location/nearby/cpp/fastpair:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
         "//presence:__subpackages__",
     ],
     deps = [
@@ -56,6 +57,7 @@ cc_library(
         "//internal/platform:__subpackages__",
         "//internal/platform/implementation:__subpackages__",
         "//location/nearby/cpp/fastpair:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
         "//presence:__subpackages__",
     ],
     deps = [
diff --git a/internal/platform/implementation/BUILD b/internal/platform/implementation/BUILD
index cf23dcfb..622305e3 100644
--- a/internal/platform/implementation/BUILD
+++ b/internal/platform/implementation/BUILD
@@ -43,6 +43,7 @@ cc_library(
         "//internal/platform/implementation:__subpackages__",
         "//internal/test:__subpackages__",
         "//location/nearby/analytics/cpp:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
         "//presence:__subpackages__",
     ],
     deps = [
@@ -111,6 +112,7 @@ cc_library(
         "//internal/platform:__pkg__",
         "//internal/platform/implementation:__subpackages__",
         "//location/nearby/cpp/fastpair:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
     ],
     deps = [
         ":comm",
diff --git a/internal/platform/implementation/g3/BUILD b/internal/platform/implementation/g3/BUILD
index acfe6000..2e9f2829 100644
--- a/internal/platform/implementation/g3/BUILD
+++ b/internal/platform/implementation/g3/BUILD
@@ -126,6 +126,7 @@ cc_library(
         "//connections:__subpackages__",
         "//fastpair:__subpackages__",
         "//internal:__pkg__",
+        "//internal/auth:__subpackages__",
         "//internal/flags:__subpackages__",
         "//internal/network:__subpackages__",
         "//internal/platform:__subpackages__",
diff --git a/internal/platform/implementation/windows/generated/BUILD b/internal/platform/implementation/windows/generated/BUILD
index 51984ca6..4451d2e2 100644
--- a/internal/platform/implementation/windows/generated/BUILD
+++ b/internal/platform/implementation/windows/generated/BUILD
@@ -45,5 +45,7 @@ cc_library(
         "//internal:__subpackages__",
         "//internal/platform/implementation/windows:__subpackages__",
         "//location/nearby/apps/better_together/windows:__subpackages__",
+        "//location/nearby/cpp/fastpair/internal:__subpackages__",
+        "//location/nearby/cpp/sharing/implementation/internal:__subpackages__",
     ],
 )
diff --git a/proto/BUILD b/proto/BUILD
index a499f15f..a50089b5 100644
--- a/proto/BUILD
+++ b/proto/BUILD
@@ -57,7 +57,10 @@ java_proto_library(
 
 cc_proto_library(
     name = "sharing_enums_cc_proto",
-    visibility = ["//:__subpackages__"],
+    visibility = [
+        "//:__subpackages__",
+        "//location/nearby/cpp/sharing:__subpackages__",
+    ],
     deps = [
         ":sharing_enums_proto",
     ],