flectra/addons/base_branch_company/demo/branch_data.xml

<?xml version="1.0" encoding="utf-8"?>
<flectra>
    <data noupdate="1">

        <record id="data_branch_1" model="res.branch">
            <field name="name">Your Company</field>
            <field name="code">YC</field>
            <field name="company_id" ref="base.main_company"/>
            <field name="street">80 Broad St</field>
            <field name="city">Scranton</field>
            <field name="zip">10004</field>
            <field name='country_id' ref='base.us'/>
            <field name='state_id' ref='base.state_us_27'/>
            <field name="phone">+1 485 123 8989</field>
        </record>

        <record id="base.user_root" model="res.users">
            <field name="branch_ids" eval="[(6,0,[ref('data_branch_1'),])]"/>
            <field name='default_branch_id' ref='data_branch_1'/>
        </record>

        <record id="base.main_company" model="res.company">
            <field name='branch_id' ref='data_branch_1'/>
        </record>

    </data>
</flectra>