diff --git a/app/api/api_v1/routers/admin.py b/app/api/api_v1/routers/admin.py
index e6d3a066..c6e91eb5 100644
--- a/app/api/api_v1/routers/admin.py
+++ b/app/api/api_v1/routers/admin.py
@@ -12,9 +12,9 @@
 from sqlalchemy import Column, update
 
 from app.api.api_v1.schemas.document import DocumentUpdateRequest
+from app.clients.db.session import get_db
 from app.core.auth import get_superuser_details
 from app.core.lookups import get_family_document_by_import_id_or_slug
-from app.db.session import get_db
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/app/api/api_v1/routers/auth.py b/app/api/api_v1/routers/auth.py
index 16801d69..3a89c987 100644
--- a/app/api/api_v1/routers/auth.py
+++ b/app/api/api_v1/routers/auth.py
@@ -4,10 +4,10 @@
 from fastapi import APIRouter, Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordRequestForm
 
+from app.clients.db.session import get_db
 from app.core.auth import authenticate_user
 from app.core.security import create_access_token
 from app.db.crud.user import get_app_user_authorisation
-from app.db.session import get_db
 
 auth_router = r = APIRouter()
 
diff --git a/app/api/api_v1/routers/documents.py b/app/api/api_v1/routers/documents.py
index c8c8d78a..e985d762 100644
--- a/app/api/api_v1/routers/documents.py
+++ b/app/api/api_v1/routers/documents.py
@@ -8,12 +8,12 @@
     FamilyAndDocumentsResponse,
     FamilyDocumentWithContextResponse,
 )
+from app.clients.db.session import get_db
 from app.db.crud.document import (
     get_family_and_documents,
     get_family_document_and_context,
     get_slugged_objects,
 )
-from app.db.session import get_db
 
 _LOGGER = logging.getLogger(__file__)
 
diff --git a/app/api/api_v1/routers/geographies.py b/app/api/api_v1/routers/geographies.py
index be21dff9..a6d2ac7a 100644
--- a/app/api/api_v1/routers/geographies.py
+++ b/app/api/api_v1/routers/geographies.py
@@ -3,8 +3,8 @@
 from fastapi import APIRouter, Depends, HTTPException, status
 
 from app.api.api_v1.schemas.geography import GeographyStatsDTO
+from app.clients.db.session import get_db
 from app.db.crud.geography import get_world_map_stats
-from app.db.session import get_db
 from app.errors import RepositoryError
 
 _LOGGER = logging.getLogger(__file__)
diff --git a/app/api/api_v1/routers/lookups/config.py b/app/api/api_v1/routers/lookups/config.py
index 42493ca9..fcad6d91 100644
--- a/app/api/api_v1/routers/lookups/config.py
+++ b/app/api/api_v1/routers/lookups/config.py
@@ -2,8 +2,8 @@
 
 from app.api.api_v1.routers.lookups.router import lookups_router
 from app.api.api_v1.schemas.metadata import ApplicationConfig
+from app.clients.db.session import get_db
 from app.core.lookups import get_config
-from app.db.session import get_db
 
 
 @lookups_router.get("/config", response_model=ApplicationConfig)
diff --git a/app/api/api_v1/routers/lookups/geo_stats.py b/app/api/api_v1/routers/lookups/geo_stats.py
index 00f60488..397bb1b0 100644
--- a/app/api/api_v1/routers/lookups/geo_stats.py
+++ b/app/api/api_v1/routers/lookups/geo_stats.py
@@ -8,7 +8,7 @@
 from sqlalchemy import exc
 
 from app.api.api_v1.routers.lookups.router import lookups_router
-from app.db.session import get_db
+from app.clients.db.session import get_db
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/app/api/api_v1/routers/pipeline_trigger.py b/app/api/api_v1/routers/pipeline_trigger.py
index 5f34cd91..8bf04cca 100644
--- a/app/api/api_v1/routers/pipeline_trigger.py
+++ b/app/api/api_v1/routers/pipeline_trigger.py
@@ -4,11 +4,11 @@
 from sqlalchemy.orm import Session
 
 from app.api.api_v1.schemas.document import BulkIngestResult
+from app.clients.aws.client import S3Client, get_s3_client
+from app.clients.db.session import get_db
 from app.core.auth import get_superuser_details
-from app.core.aws import S3Client, get_s3_client
 from app.core.ingestion.pipeline import generate_pipeline_ingest_input
 from app.core.validation.util import get_new_s3_prefix, write_documents_to_s3
-from app.db.session import get_db
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/app/api/api_v1/routers/search.py b/app/api/api_v1/routers/search.py
index 34f6e8b1..8652cd22 100644
--- a/app/api/api_v1/routers/search.py
+++ b/app/api/api_v1/routers/search.py
@@ -18,8 +18,10 @@
 from starlette.responses import RedirectResponse
 
 from app.api.api_v1.schemas.search import SearchRequestBody, SearchResponse
-from app.core.aws import S3Client, S3Document, get_s3_client
-from app.core.config import (
+from app.clients.aws.client import S3Client, get_s3_client
+from app.clients.aws.s3_document import S3Document
+from app.clients.db.session import get_db
+from app.config import (
     AWS_REGION,
     CDN_DOMAIN,
     DOCUMENT_CACHE_BUCKET,
@@ -36,7 +38,6 @@
     process_result_into_csv,
     process_vespa_search_response,
 )
-from app.db.session import get_db
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/app/api/api_v1/routers/summaries.py b/app/api/api_v1/routers/summaries.py
index 56009c7b..3d9481a1 100644
--- a/app/api/api_v1/routers/summaries.py
+++ b/app/api/api_v1/routers/summaries.py
@@ -10,9 +10,9 @@
 from fastapi import APIRouter, Depends, HTTPException, Request, status
 
 from app.api.api_v1.schemas.search import GeographySummaryFamilyResponse
+from app.clients.db.session import get_db
 from app.core.browse import BrowseArgs, browse_rds_families
 from app.core.lookups import get_country_slug_from_country_code, is_country_code
-from app.db.session import get_db
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/app/core/aws.py b/app/clients/aws/client.py
similarity index 92%
rename from app/core/aws.py
rename to app/clients/aws/client.py
index cdfbc5c7..e484bf73 100644
--- a/app/core/aws.py
+++ b/app/clients/aws/client.py
@@ -2,7 +2,6 @@
 
 import logging
 import os
-import re
 import typing as t
 from datetime import datetime
 
@@ -11,39 +10,12 @@
 from botocore.exceptions import ClientError, UnauthorizedSSOTokenError
 from botocore.response import StreamingBody
 
-from app.core.config import AWS_REGION, DEVELOPMENT_MODE
+from app.clients.aws.s3_document import S3Document
+from app.config import AWS_REGION, DEVELOPMENT_MODE
 
 logger = logging.getLogger(__name__)
 
 
-class S3Document:
-    """A class representing an S3 document."""
-
-    def __init__(self, bucket_name: str, region: str, key: str):  # noqa: D107
-        self.bucket_name = bucket_name
-        self.region = region
-        self.key = key
-
-    @property
-    def url(self):
-        """Return the URL for this S3 document."""
-        return f"https://{self.bucket_name}.s3.{self.region}.amazonaws.com/{self.key}"
-
-    @classmethod
-    def from_url(cls, url: str) -> "S3Document":
-        """
-        Create an S3 document from a URL.
-
-        :param [str] url: The URL of the document to create
-        :return [S3Document]: document representing given URL
-        """
-        bucket_name, region, key = re.findall(
-            r"https:\/\/([\w-]+).s3.([\w-]+).amazonaws.com\/([\w.-]+)", url
-        )[0]
-
-        return S3Document(bucket_name=bucket_name, region=region, key=key)
-
-
 class S3Client:
     """Helper class to connect to S3 and perform actions on buckets and documents."""
 
diff --git a/app/clients/aws/s3_document.py b/app/clients/aws/s3_document.py
new file mode 100644
index 00000000..f4ad4bdd
--- /dev/null
+++ b/app/clients/aws/s3_document.py
@@ -0,0 +1,34 @@
+"""AWS Helper classes."""
+
+import logging
+import re
+
+logger = logging.getLogger(__name__)
+
+
+class S3Document:
+    """A class representing an S3 document."""
+
+    def __init__(self, bucket_name: str, region: str, key: str):  # noqa: D107
+        self.bucket_name = bucket_name
+        self.region = region
+        self.key = key
+
+    @property
+    def url(self):
+        """Return the URL for this S3 document."""
+        return f"https://{self.bucket_name}.s3.{self.region}.amazonaws.com/{self.key}"
+
+    @classmethod
+    def from_url(cls, url: str) -> "S3Document":
+        """
+        Create an S3 document from a URL.
+
+        :param [str] url: The URL of the document to create
+        :return [S3Document]: document representing given URL
+        """
+        bucket_name, region, key = re.findall(
+            r"https:\/\/([\w-]+).s3.([\w-]+).amazonaws.com\/([\w.-]+)", url
+        )[0]
+
+        return S3Document(bucket_name=bucket_name, region=region, key=key)
diff --git a/app/db/session.py b/app/clients/db/session.py
similarity index 96%
rename from app/db/session.py
rename to app/clients/db/session.py
index 2898413a..de54c2ee 100644
--- a/app/db/session.py
+++ b/app/clients/db/session.py
@@ -1,7 +1,7 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 
-from app.core import config
+from app import config
 
 engine = create_engine(
     config.SQLALCHEMY_DATABASE_URI,
diff --git a/app/core/config.py b/app/config.py
similarity index 100%
rename from app/core/config.py
rename to app/config.py
diff --git a/app/core/download.py b/app/core/download.py
index 485f38ee..f41caf07 100644
--- a/app/core/download.py
+++ b/app/core/download.py
@@ -9,7 +9,7 @@
 import pandas as pd
 from fastapi import Depends
 
-from app.db.session import get_db
+from app.clients.db.session import get_db
 
 _LOGGER = getLogger(__name__)
 
diff --git a/app/core/health.py b/app/core/health.py
index 91d2f5a9..ec309a45 100644
--- a/app/core/health.py
+++ b/app/core/health.py
@@ -4,8 +4,8 @@
 from sqlalchemy.orm import Session
 
 from app.api.api_v1.routers.search import _VESPA_CONNECTION
-from app.core.config import DEVELOPMENT_MODE
-from app.db.session import get_db
+from app.clients.db.session import get_db
+from app.config import DEVELOPMENT_MODE
 
 _LOGGER = logging.getLogger(__file__)
 
diff --git a/app/core/organisation.py b/app/core/organisation.py
index 4ee9e132..0e915fc8 100644
--- a/app/core/organisation.py
+++ b/app/core/organisation.py
@@ -5,8 +5,8 @@
 from sqlalchemy import func
 from sqlalchemy.orm import Session
 
+from app import config
 from app.api.api_v1.schemas.metadata import CorpusData, OrganisationConfig
-from app.core import config
 
 
 def _to_corpus_data(row) -> CorpusData:
diff --git a/app/core/search.py b/app/core/search.py
index afd343f3..ca1b9741 100644
--- a/app/core/search.py
+++ b/app/core/search.py
@@ -37,7 +37,7 @@
     SearchResponseFamily,
     SearchResponseFamilyDocument,
 )
-from app.core.config import PUBLIC_APP_URL
+from app.config import PUBLIC_APP_URL
 from app.core.lookups import (
     doc_type_from_family_document_metadata,
     get_countries_for_region,
diff --git a/app/core/validation/util.py b/app/core/validation/util.py
index 5cb7055d..52e6ae3b 100644
--- a/app/core/validation/util.py
+++ b/app/core/validation/util.py
@@ -7,8 +7,9 @@
 from typing import Any, Collection, Mapping, Optional, Sequence, Union
 
 from app.api.api_v1.schemas.document import DocumentParserInput
-from app.core.aws import S3Client, S3Document
-from app.core.config import INGEST_TRIGGER_ROOT, PIPELINE_BUCKET
+from app.clients.aws.client import S3Client
+from app.clients.aws.s3_document import S3Document
+from app.config import INGEST_TRIGGER_ROOT, PIPELINE_BUCKET
 
 _LOGGER = logging.getLogger(__file__)
 
diff --git a/app/db/__init__.py b/app/db/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/app/main.py b/app/main.py
index 4b770054..104e5493 100644
--- a/app/main.py
+++ b/app/main.py
@@ -12,6 +12,7 @@
 from fastapi_pagination import add_pagination
 from starlette.requests import Request
 
+from app import config
 from app.api.api_v1.routers.admin import admin_document_router
 from app.api.api_v1.routers.auth import auth_router
 from app.api.api_v1.routers.documents import documents_router
@@ -20,10 +21,9 @@
 from app.api.api_v1.routers.pipeline_trigger import pipeline_trigger_router
 from app.api.api_v1.routers.search import search_router
 from app.api.api_v1.routers.summaries import summary_router
-from app.core import config
+from app.clients.db.session import SessionLocal, engine
 from app.core.auth import get_superuser_details
 from app.core.health import is_database_online
-from app.db.session import SessionLocal, engine
 
 os.environ["SKIP_ALEMBIC_LOGGING"] = "1"
 
diff --git a/tests/conftest.py b/tests/conftest.py
index c205b18b..ad2d15e2 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -15,10 +15,10 @@
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy_utils import create_database, database_exists, drop_database
 
+from app.clients.aws.client import S3Client, get_s3_client
+from app.clients.db.session import get_db
 from app.core import custom_app, security
-from app.core.aws import S3Client, get_s3_client
 from app.core.custom_app import AppTokenFactory
-from app.db.session import get_db
 from app.main import app
 
 
diff --git a/tests/non_search/app/lookups/test_config.py b/tests/non_search/app/lookups/test_config.py
index 62052c3f..ca9211a4 100644
--- a/tests/non_search/app/lookups/test_config.py
+++ b/tests/non_search/app/lookups/test_config.py
@@ -11,8 +11,8 @@
 )
 from db_client.models.organisation import Corpus, Organisation
 
+from app.clients.db.session import SessionLocal
 from app.core.util import tree_table_to_json
-from app.db.session import SessionLocal
 
 LEN_ORG_CONFIG = 3
 EXPECTED_CCLW_TAXONOMY = {
diff --git a/tests/non_search/core/validation/test_util.py b/tests/non_search/core/validation/test_util.py
index 744934fa..1a40ac15 100644
--- a/tests/non_search/core/validation/test_util.py
+++ b/tests/non_search/core/validation/test_util.py
@@ -6,7 +6,7 @@
 import pytest
 
 from app.api.api_v1.schemas.document import DocumentParserInput
-from app.core.config import PIPELINE_BUCKET
+from app.config import PIPELINE_BUCKET
 from app.core.validation import IMPORT_ID_MATCHER
 from app.core.validation.util import _flatten_maybe_tree, write_documents_to_s3
 
diff --git a/tests/search/vespa/test_whole_database_download.py b/tests/search/vespa/test_whole_database_download.py
index 024d4d50..52346223 100644
--- a/tests/search/vespa/test_whole_database_download.py
+++ b/tests/search/vespa/test_whole_database_download.py
@@ -38,7 +38,7 @@ def test_whole_database_download_fails_when_decoding_token_raises_PyJWTError(
     ), patch(
         "app.api.api_v1.routers.search.DOCUMENT_CACHE_BUCKET", "test_cdn_bucket"
     ), patch(
-        "app.core.aws.S3Client.is_connected", return_value=True
+        "app.clients.aws.client.S3Client.is_connected", return_value=True
     ):
         response = data_client.get(
             ALL_DATA_DOWNLOAD_ENDPOINT,
@@ -68,7 +68,7 @@ def test_whole_database_download_fails_when_corpus_ids_in_token_not_in_db(
         "app.api.api_v1.routers.search.AppTokenFactory.verify_corpora_in_db",
         return_value=False,
     ), patch(
-        "app.core.aws.S3Client.is_connected", return_value=True
+        "app.clients.aws.client.S3Client.is_connected", return_value=True
     ), patch(
         "app.api.api_v1.routers.search.PIPELINE_BUCKET", "test_pipeline_bucket"
     ), patch(
@@ -96,7 +96,7 @@ def test_all_data_download(mock_corpora_exist_in_db, data_db, data_client, valid
     with (
         patch("app.api.api_v1.routers.search.PIPELINE_BUCKET", "test_pipeline_bucket"),
         patch("app.api.api_v1.routers.search.DOCUMENT_CACHE_BUCKET", "test_cdn_bucket"),
-        patch("app.core.aws.S3Client.is_connected", return_value=True),
+        patch("app.clients.aws.client.S3Client.is_connected", return_value=True),
     ):
         data_client.follow_redirects = False
         download_response = data_client.get(ALL_DATA_DOWNLOAD_ENDPOINT, headers=headers)
@@ -126,7 +126,7 @@ def test_all_data_download_fails_when_s3_upload_failed(
     with (
         patch("app.api.api_v1.routers.search.PIPELINE_BUCKET", "test_pipeline_bucket"),
         patch("app.api.api_v1.routers.search.DOCUMENT_CACHE_BUCKET", "test_cdn_bucket"),
-        patch("app.core.aws.S3Client.is_connected", return_value=True),
+        patch("app.clients.aws.client.S3Client.is_connected", return_value=True),
         patch(
             "app.api.api_v1.routers.search._get_s3_doc_url_from_cdn", return_value=None
         ),