project/app/routes/newcompany.js

import Ember from 'ember';

const { inject: { service }, RSVP } = Ember;

export default Ember.Route.extend({
  sessionAccount: service('session-account'),

  model: function() {
    'use strict';
    const cid = this.get('sessionAccount.account.memberOf');

    if (typeof cid !== 'undefined') {
      return new RSVP.Promise((resolve, reject) => {
        return this.get('store').find('company', cid)
          .then(resolve, reject);
      });
    } else {
      var newPage = this.store.createRecord('newcompany',{});
      newPage.set('cid', cid);
      return newPage;
    }
  }
});