Bauer & Cottrell are IR35 tax investigation specialists with over 20 years experience. We have never lost an HMRC IR35 investigation case. We support every party in the contractual chain. Whether you are a contractor needing an IR35 contract review or are under investigation by HMRC, or an agency, consultancy or hirer requiring assistance with the status of your contractors we can help. Please see our service options below for more information.