<rewriteMaps>
<rewriteMap name="Redirects">    
        <add key="https://fr.dommain/company/" value="https://en.dommain/company/" />
        <add key="https://fr.dommain/company1/" value="https://fr.dommain/company/" />
</rewriteMap>
</rewriteMaps>
<rule name="Redirect rule1 for Redirects">
         <match url=".*" />
         <conditions>
           <add input="{Redirects:{REQUEST_URI}}" pattern="(.+)" />
         </conditions>
         <action type="Redirect" url="{C:1}" appendQueryString="false" />
       </rule>

<add key="/company/" value="https://en.dommain/company/" />