diff --git a/src/resource/backends/sql.rs b/src/resource/backends/sql.rs
index 7ce1abf6..97f65d32 100644
--- a/src/resource/backends/sql.rs
+++ b/src/resource/backends/sql.rs
@@ -13,18 +13,16 @@
 // SPDX-License-Identifier: Apache-2.0
 
 use async_trait::async_trait;
-use sea_orm::DatabaseConnection;
-use sea_orm::entity::*;
-use sea_orm::query::*;
-use serde_json::Value;
-use tracing::error;
+
+mod domain;
+mod project;
 
 use super::super::types::*;
 use crate::config::Config;
-use crate::db::entity::{prelude::Project as DbProject, project as db_project};
 use crate::keystone::ServiceState;
 use crate::resource::ResourceProviderError;
-use crate::resource::backends::error::{ResourceDatabaseError, db_err};
+use crate::resource::backends::sql::domain::{get_domain_by_id, get_domain_by_name};
+use crate::resource::backends::sql::project::{get_project, get_project_by_name};
 
 #[derive(Clone, Debug, Default)]
 pub struct SqlBackend {
@@ -78,117 +76,6 @@ impl ResourceBackend for SqlBackend {
     }
 }
 
-pub async fn get_domain_by_id<I: AsRef<str>>(
-    _conf: &Config,
-    db: &DatabaseConnection,
-    domain_id: I,
-) -> Result<Option<Domain>, ResourceDatabaseError> {
-    let domain_select =
-        DbProject::find_by_id(domain_id.as_ref()).filter(db_project::Column::IsDomain.eq(true));
-
-    let domain_entry: Option<db_project::Model> = domain_select
-        .one(db)
-        .await
-        .map_err(|err| db_err(err, "fetching domain by id"))?;
-    domain_entry.map(TryInto::try_into).transpose()
-}
-
-pub async fn get_domain_by_name<N: AsRef<str>>(
-    _conf: &Config,
-    db: &DatabaseConnection,
-    domain_name: N,
-) -> Result<Option<Domain>, ResourceDatabaseError> {
-    let domain_select = DbProject::find()
-        .filter(db_project::Column::IsDomain.eq(true))
-        .filter(db_project::Column::Name.eq(domain_name.as_ref()));
-
-    let domain_entry: Option<db_project::Model> = domain_select
-        .one(db)
-        .await
-        .map_err(|err| db_err(err, "fetching domain by name"))?;
-    domain_entry.map(TryInto::try_into).transpose()
-}
-
-pub async fn get_project<I: AsRef<str>>(
-    _conf: &Config,
-    db: &DatabaseConnection,
-    id: I,
-) -> Result<Option<Project>, ResourceDatabaseError> {
-    let project_select =
-        DbProject::find_by_id(id.as_ref()).filter(db_project::Column::IsDomain.eq(false));
-
-    let project_entry: Option<db_project::Model> = project_select
-        .one(db)
-        .await
-        .map_err(|err| db_err(err, "fetching project by id"))?;
-    project_entry.map(TryInto::try_into).transpose()
-}
-
-pub async fn get_project_by_name<N: AsRef<str>, D: AsRef<str>>(
-    _conf: &Config,
-    db: &DatabaseConnection,
-    name: N,
-    domain_id: D,
-) -> Result<Option<Project>, ResourceDatabaseError> {
-    let project_select = DbProject::find()
-        .filter(db_project::Column::IsDomain.eq(false))
-        .filter(db_project::Column::Name.eq(name.as_ref()))
-        .filter(db_project::Column::DomainId.eq(domain_id.as_ref()));
-
-    let project_entry: Option<db_project::Model> = project_select
-        .one(db)
-        .await
-        .map_err(|err| db_err(err, "fetching project by name and domain"))?;
-    project_entry.map(TryInto::try_into).transpose()
-}
-
-impl TryFrom<db_project::Model> for Project {
-    type Error = ResourceDatabaseError;
-
-    fn try_from(value: db_project::Model) -> Result<Self, Self::Error> {
-        let mut project_builder = ProjectBuilder::default();
-        project_builder.id(value.id.clone());
-        project_builder.name(value.name.clone());
-        project_builder.domain_id(value.domain_id.clone());
-        if let Some(description) = &value.description {
-            project_builder.description(description.clone());
-        }
-        project_builder.enabled(value.enabled.unwrap_or(false));
-        if let Some(extra) = &value.extra {
-            project_builder.extra(
-                serde_json::from_str::<Value>(extra)
-                    .inspect_err(|e| error!("failed to deserialize project extra properties: {e}"))
-                    .unwrap_or_default(),
-            );
-        }
-
-        Ok(project_builder.build()?)
-    }
-}
-
-impl TryFrom<db_project::Model> for Domain {
-    type Error = ResourceDatabaseError;
-
-    fn try_from(value: db_project::Model) -> Result<Self, Self::Error> {
-        let mut domain_builder = DomainBuilder::default();
-        domain_builder.id(value.id.clone());
-        domain_builder.name(value.name.clone());
-        if let Some(description) = &value.description {
-            domain_builder.description(description.clone());
-        }
-        domain_builder.enabled(value.enabled.unwrap_or(false));
-        if let Some(extra) = &value.extra {
-            domain_builder.extra(
-                serde_json::from_str::<Value>(extra)
-                    .inspect_err(|e| error!("failed to deserialize domain extra: {e}"))
-                    .unwrap_or_default(),
-            );
-        }
-
-        Ok(domain_builder.build()?)
-    }
-}
-
 //#[cfg(test)]
 //mod tests {
 //    #![allow(clippy::derivable_impls)]
diff --git a/src/resource/backends/sql/domain/get.rs b/src/resource/backends/sql/domain/get.rs
new file mode 100644
index 00000000..4395a001
--- /dev/null
+++ b/src/resource/backends/sql/domain/get.rs
@@ -0,0 +1,53 @@
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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.
+//
+// SPDX-License-Identifier: Apache-2.0
+
+use sea_orm::DatabaseConnection;
+use sea_orm::entity::*;
+use sea_orm::query::*;
+
+use crate::db::entity::{prelude::Project as DbProject, project as db_project};
+use crate::resource::Config;
+use crate::resource::backends::error::{ResourceDatabaseError, db_err};
+use crate::resource::types::Domain;
+
+pub async fn get_domain_by_id<I: AsRef<str>>(
+    _conf: &Config,
+    db: &DatabaseConnection,
+    domain_id: I,
+) -> Result<Option<Domain>, ResourceDatabaseError> {
+    let domain_select =
+        DbProject::find_by_id(domain_id.as_ref()).filter(db_project::Column::IsDomain.eq(true));
+
+    let domain_entry: Option<db_project::Model> = domain_select
+        .one(db)
+        .await
+        .map_err(|err| db_err(err, "fetching domain by id"))?;
+    domain_entry.map(TryInto::try_into).transpose()
+}
+
+pub async fn get_domain_by_name<N: AsRef<str>>(
+    _conf: &Config,
+    db: &DatabaseConnection,
+    domain_name: N,
+) -> Result<Option<Domain>, ResourceDatabaseError> {
+    let domain_select = DbProject::find()
+        .filter(db_project::Column::IsDomain.eq(true))
+        .filter(db_project::Column::Name.eq(domain_name.as_ref()));
+
+    let domain_entry: Option<db_project::Model> = domain_select
+        .one(db)
+        .await
+        .map_err(|err| db_err(err, "fetching domain by name"))?;
+    domain_entry.map(TryInto::try_into).transpose()
+}
diff --git a/src/resource/backends/sql/domain/mod.rs b/src/resource/backends/sql/domain/mod.rs
new file mode 100644
index 00000000..eda65a92
--- /dev/null
+++ b/src/resource/backends/sql/domain/mod.rs
@@ -0,0 +1,48 @@
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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.
+//
+// SPDX-License-Identifier: Apache-2.0
+use serde_json::Value;
+use tracing::error;
+
+mod get;
+
+pub use get::get_domain_by_id;
+pub use get::get_domain_by_name;
+
+use crate::db::entity::project as db_project;
+use crate::resource::backends::error::ResourceDatabaseError;
+use crate::resource::types::Domain;
+use crate::resource::types::DomainBuilder;
+
+impl TryFrom<db_project::Model> for Domain {
+    type Error = ResourceDatabaseError;
+
+    fn try_from(value: db_project::Model) -> Result<Self, Self::Error> {
+        let mut domain_builder = DomainBuilder::default();
+        domain_builder.id(value.id.clone());
+        domain_builder.name(value.name.clone());
+        if let Some(description) = &value.description {
+            domain_builder.description(description.clone());
+        }
+        domain_builder.enabled(value.enabled.unwrap_or(false));
+        if let Some(extra) = &value.extra {
+            domain_builder.extra(
+                serde_json::from_str::<Value>(extra)
+                    .inspect_err(|e| error!("failed to deserialize domain extra: {e}"))
+                    .unwrap_or_default(),
+            );
+        }
+
+        Ok(domain_builder.build()?)
+    }
+}
diff --git a/src/resource/backends/sql/project/get.rs b/src/resource/backends/sql/project/get.rs
new file mode 100644
index 00000000..d1bcbf37
--- /dev/null
+++ b/src/resource/backends/sql/project/get.rs
@@ -0,0 +1,55 @@
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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.
+//
+// SPDX-License-Identifier: Apache-2.0
+
+use sea_orm::DatabaseConnection;
+use sea_orm::entity::*;
+use sea_orm::query::*;
+
+use crate::db::entity::{prelude::Project as DbProject, project as db_project};
+use crate::resource::Config;
+use crate::resource::backends::error::{ResourceDatabaseError, db_err};
+use crate::resource::types::Project;
+
+pub async fn get_project<I: AsRef<str>>(
+    _conf: &Config,
+    db: &DatabaseConnection,
+    id: I,
+) -> Result<Option<Project>, ResourceDatabaseError> {
+    let project_select =
+        DbProject::find_by_id(id.as_ref()).filter(db_project::Column::IsDomain.eq(false));
+
+    let project_entry: Option<db_project::Model> = project_select
+        .one(db)
+        .await
+        .map_err(|err| db_err(err, "fetching project by id"))?;
+    project_entry.map(TryInto::try_into).transpose()
+}
+
+pub async fn get_project_by_name<N: AsRef<str>, D: AsRef<str>>(
+    _conf: &Config,
+    db: &DatabaseConnection,
+    name: N,
+    domain_id: D,
+) -> Result<Option<Project>, ResourceDatabaseError> {
+    let project_select = DbProject::find()
+        .filter(db_project::Column::IsDomain.eq(false))
+        .filter(db_project::Column::Name.eq(name.as_ref()))
+        .filter(db_project::Column::DomainId.eq(domain_id.as_ref()));
+
+    let project_entry: Option<db_project::Model> = project_select
+        .one(db)
+        .await
+        .map_err(|err| db_err(err, "fetching project by name and domain"))?;
+    project_entry.map(TryInto::try_into).transpose()
+}
diff --git a/src/resource/backends/sql/project/mod.rs b/src/resource/backends/sql/project/mod.rs
new file mode 100644
index 00000000..8c7f6b3c
--- /dev/null
+++ b/src/resource/backends/sql/project/mod.rs
@@ -0,0 +1,49 @@
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// 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.
+//
+// SPDX-License-Identifier: Apache-2.0
+use serde_json::Value;
+use tracing::error;
+
+mod get;
+
+pub use get::get_project;
+pub use get::get_project_by_name;
+
+use crate::db::entity::project as db_project;
+use crate::resource::backends::error::ResourceDatabaseError;
+use crate::resource::types::Project;
+use crate::resource::types::ProjectBuilder;
+
+impl TryFrom<db_project::Model> for Project {
+    type Error = ResourceDatabaseError;
+
+    fn try_from(value: db_project::Model) -> Result<Self, Self::Error> {
+        let mut project_builder = ProjectBuilder::default();
+        project_builder.id(value.id.clone());
+        project_builder.name(value.name.clone());
+        project_builder.domain_id(value.domain_id.clone());
+        if let Some(description) = &value.description {
+            project_builder.description(description.clone());
+        }
+        project_builder.enabled(value.enabled.unwrap_or(false));
+        if let Some(extra) = &value.extra {
+            project_builder.extra(
+                serde_json::from_str::<Value>(extra)
+                    .inspect_err(|e| error!("failed to deserialize project extra properties: {e}"))
+                    .unwrap_or_default(),
+            );
+        }
+
+        Ok(project_builder.build()?)
+    }
+}