rota

/rota/

Cases

SingularPluralWhen to use it
nominativerotathe companyrotalathe companiesthe plain dictionary form — the doer of the sentence
genitiverotanıthe company'srotalanıthe companies'the owner — whose it is
accusativerotanıthe company (as the object)rotalanıthe companies (as the object)a specific, known object — whom or what
dativerotağato the companyrotalağato the companiesdirection or recipient — to where, to whom
locativerotadaat / in the companyrotaladaat / in the companieswhere it is; also having — mende bar, "I have it"
ablativerotadanfrom the companyrotaladanfrom the companieswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
myrotammy companyrotalarımmy companies
yourrotangyour companyrotalarıngyour companies
his / herrotasıhis / her companyrotalarıhis / her companies
ourrotabızour companyrotalarıbızour companies
you all'srotağızyou all's companyrotalarığızyou all's companies
theirrotalarıtheir companyrotalarıtheir companies

The overlap in the last rows is real, not a mistake: rotaları can mean "his / her companies", "their company", or "their companies" — context decides.