partner-contact/crm_capital/views/res_partner_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
<data>

<record model="ir.ui.view" id="view_partner_form_capital">
    <field name="name">Partner form with capital info</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref="base.view_partner_form"/>
    <field name="arch" type="xml">
        <field name="phone" position="before">
            <field name="capital_country" placeholder="Capital country"
                   attrs="{'invisible': [('is_company', '=', False)]}"
                   options='{"no_open": True}'/>
            <field name="capital_registered"
                   attrs="{'invisible': [('is_company', '=', False)]}"/>
            <field name="turnover_range" placeholder="Turnover range"
                   attrs="{'invisible': [('is_company', '=', False)]}"
                   options='{"no_open": True}'/>
            <field name="turnover_number"
                   attrs="{'invisible': [('is_company', '=', False)]}"/>
        </field>
    </field>
</record>

<record model="ir.ui.view" id="view_res_partner_filter_capital">
    <field name="name">Partner search with capital</field>
    <field name="model">res.partner</field>
    <field name="inherit_id" ref="base.view_res_partner_filter"/>
    <field name="arch" type="xml">
        <filter string="Salesperson" position="after">
            <filter string="Capital country"
                    domain="[('is_company', '=', True)]"
                    context="{'group_by': 'capital_country'}"/>
            <filter string="Turnover"
                    domain="[('is_company', '=', True)]"
                    context="{'group_by': 'turnover_number'}"/>
        </filter>
    </field>
</record>

</data>
</openerp>