<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:rato="http://ratos.com" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://ratos.com" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
  <xs:import schemaLocation="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor.xsd" namespace="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor" />
  <xs:import schemaLocation="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd" namespace="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" />
  <xs:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rato-2024-12-31_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rato-2024-12-31_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rato-2024-12-31_lab-sv.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="rato-2024-12-31_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-lab-sv.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-gen-sv.xml" xlink:type="simple" />
      <link:roleType id="Resultat" roleURI="http://ratos.com/roles/Resultat">
        <link:definition>01 - Resultat</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RapportOEverTotalresultat" roleURI="http://ratos.com/roles/RapportOEverTotalresultat">
        <link:definition>02 - Rapport över totalresultat</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RapportOEverFinansiellStaellning" roleURI="http://ratos.com/roles/RapportOEverFinansiellStaellning">
        <link:definition>03 - Rapport över finansiell ställning</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RapportOEverFoeraendringarIEgetKapital" roleURI="http://ratos.com/roles/RapportOEverFoeraendringarIEgetKapital">
        <link:definition>04 - Rapport över förändringar i eget kapital</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RapportOEverKassafloeden" roleURI="http://ratos.com/roles/RapportOEverKassafloeden">
        <link:definition>05 - Rapport över kassaflöden</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NotesAndMandatoryItems" roleURI="http://ratos.com/roles/NotesAndMandatoryItems">
        <link:definition>06 - Notes and Mandatory Items</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Anchoring" roleURI="http://ratos.com/roles/Anchoring">
        <link:definition>99 - Groups all anchored elements</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="rato_AterkoepSlutregleringOptioner" xbrli:balance="credit" xbrli:periodType="duration" name="AterkoepSlutregleringOptioner" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_RoerelseresultatEfterJusteringFoerNonCashItems" xbrli:periodType="duration" name="RoerelseresultatEfterJusteringFoerNonCashItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_InnehavUtanBestaemmandeInflytandesAndelAvUtdelningFranIntressebolag" xbrli:balance="credit" xbrli:periodType="duration" name="InnehavUtanBestaemmandeInflytandesAndelAvUtdelningFranIntressebolag" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_NettoeffektAterkoepInloesenEgnaAktier" xbrli:balance="credit" xbrli:periodType="duration" name="NettoeffektAterkoepInloesenEgnaAktier" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_VaerdetAvKonverteringsraettFoerKonvertiblaFoerlagslanNetto" xbrli:balance="credit" xbrli:periodType="duration" name="VaerdetAvKonverteringsraettFoerKonvertiblaFoerlagslanNetto" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_OptionspremierNetto" xbrli:balance="credit" xbrli:periodType="duration" name="OptionspremierNetto" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_FoervaervOchAvyttringAvAndelIDotterfoeretagFranInnehavUtanBestaemmandeInflytande" xbrli:balance="credit" xbrli:periodType="duration" name="FoervaervOchAvyttringAvAndelIDotterfoeretagFranInnehavUtanBestaemmandeInflytande" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_KonverteringAvKonvertibellanTillAktier" xbrli:balance="credit" xbrli:periodType="duration" name="KonverteringAvKonvertibellanTillAktier" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_KapitaltillskottNyemissionOchNedsattKapital" xbrli:balance="credit" xbrli:periodType="duration" name="KapitaltillskottNyemissionOchNedsattKapital" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_KortfristigaRäntebärandeSkulder" xbrli:balance="credit" xbrli:periodType="instant" name="KortfristigaRäntebärandeSkulder" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_LångfristigaRäntebärandeSkulder" xbrli:balance="credit" xbrli:periodType="instant" name="LångfristigaRäntebärandeSkulder" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_Kapitalandelsmetoden" xbrli:balance="credit" xbrli:periodType="duration" name="Kapitalandelsmetoden" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_AnlaeggningstillgangarSamtNyttjanderaettstillgangar" xbrli:balance="debit" xbrli:periodType="duration" name="AnlaeggningstillgangarSamtNyttjanderaettstillgangar" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_SäljoptionFramtidaFörvärvFrånInnehavUtanBestämmandeInflytande" xbrli:balance="credit" xbrli:periodType="duration" name="SäljoptionFramtidaFörvärvFrånInnehavUtanBestämmandeInflytande" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="rato_InvesteringOchAvyttringFinansiellaTillgangar" xbrli:balance="credit" xbrli:periodType="duration" name="InvesteringOchAvyttringFinansiellaTillgangar" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
</xs:schema>