Bauer & Cottrell

Founded in 2003, Bauer & Cottrell are trusted specialists in IR35 and Off-Payroll Working compliance. Our team of experts includes former HMRC inspectors, bringing decades of experience in handling all aspects of HMRC Employer Compliance, including successfully managing compliance investigations and teams. We are recognised as leading experts in the UK, conducting thousands of contract reviews and IR35 assessments annually, and providing robust defence for hundreds of tax and IR35 status investigations, achieving a 100% success rate in defending our clients. Bauer & Cottrell delivers comprehensive consultancy services, offering expert advice on IR35, the Off-Payroll Working Rules and employment status across all sectors. We work closely with organisations of all sizes, from SMEs to major public sector bodies, as well as agencies, accountants, and contractors. Our long-standing relationships with clients reflect our commitment to delivering practical, reliable solutions tailored to the dynamic needs of the flexible workforce. In addition to consultancy, we provide regular commentary to media publications and thought leadership through speaking engagements and presentations across the UK, helping to educate and inform on the complexities of IR35 and Off-Payroll compliance.