Tart....brands with bite. Tart is a branding agent who designs under the philosophy that if you want to make it in your business, you need to stand ...more Tart....brands with bite. Tart is a branding agent who designs under the philosophy that if you want to make it in your business, you need to stand out from the crowd. You only get one chance to make a first impression, so make it unique, memorable, bold! hide