diff --git a/packages/logos-docusaurus-preset/src/index.ts b/packages/logos-docusaurus-preset/src/index.ts
index 6736ebf..7c689b7 100644
--- a/packages/logos-docusaurus-preset/src/index.ts
+++ b/packages/logos-docusaurus-preset/src/index.ts
@@ -49,10 +49,21 @@ export default function logosPreset(
     path.join(__dirname, '../static', options.businessUnit),
   )
 
-  context.siteConfig = _.merge(
-    context.siteConfig,
-    siteConfigs[options.businessUnit],
-  )
+  if (!options.customSiteConfig)
+    context.siteConfig = _.merge(
+      context.siteConfig,
+      siteConfigs[options.businessUnit],
+    )
+  else {
+    context.siteConfig.customFields = defaultsDeep(
+      [
+        {},
+        context.siteConfig.customFields,
+        siteConfigs[options.businessUnit].customFields ?? {},
+      ],
+      false,
+    )
+  }
 
   context.siteConfig.themeConfig = defaultsDeep(
     [{}, context.siteConfig.themeConfig, themeConfigs[options.businessUnit]],
diff --git a/packages/logos-docusaurus-preset/src/types/preset.ts b/packages/logos-docusaurus-preset/src/types/preset.ts
index 7664629..ccbee7c 100644
--- a/packages/logos-docusaurus-preset/src/types/preset.ts
+++ b/packages/logos-docusaurus-preset/src/types/preset.ts
@@ -32,6 +32,6 @@ export type PresetConfig = {
     name: ThemeNames.Default
     options?: DefaultThemeOptions
   }
-
+  customSiteConfig?: boolean
   docs?: Partial<DocPluginOptions>
 }
diff --git a/packages/logos-docusaurus-preset/src/types/themes.ts b/packages/logos-docusaurus-preset/src/types/themes.ts
index 4c92ff2..3a5fab3 100644
--- a/packages/logos-docusaurus-preset/src/types/themes.ts
+++ b/packages/logos-docusaurus-preset/src/types/themes.ts
@@ -1,9 +1,12 @@
-import { NavbarItem } from '@docusaurus/theme-common'
+import { NavbarItem, Footer } from '@docusaurus/theme-common'
 
 export type ThemeConfig = {
   navbar?: {
     items?: NavbarItem[]
   }
+  footer?: {
+    links?: Footer['links']
+  }
 }
 
 export type { PluginOptions as DefaultThemeOptions } from '@acid-info/logos-docusaurus-theme'
diff --git a/packages/logos-docusaurus-preset/src/validateOptions.ts b/packages/logos-docusaurus-preset/src/validateOptions.ts
index addd34b..79d6513 100644
--- a/packages/logos-docusaurus-preset/src/validateOptions.ts
+++ b/packages/logos-docusaurus-preset/src/validateOptions.ts
@@ -15,6 +15,7 @@ const schema = Joi.object<PluginOptions>({
     })
     .optional()
     .default({}),
+  customSiteConfig: Joi.boolean().optional().default(false),
 })
 
 export const validateOptions = ({