About us

Founded in 2003, most of the team at Bauer & Cottrell started careers with HMRC and have vast experience of all aspects of HMRC compliance work as well as an in-depth knowledge of case law precedent and the conduct of investigation work.

Why Choose Bauer & Cottrell?

We are recognized as leading UK IR35 / Off-Payroll experts for our work. We undertake thousands of contract reviews each year and we have defended several hundreds of tax/NIC/IR35 status investigation cases and have won them all, our contract negotiation skills are second to none.

We also provide consultancy on tax/NIC status in general and assist with other technical NIC and tax problems. We work closely with clients of all sizes and in all industries. We enjoy strong relationships with all those involved in the flexible workforce including contractors, agencies, end clients, accountants and contractor representatives.

We carry out numerous speaking engagements and presentations at events across the UK.

Managing Director Kate Cottrell previously worked as an HMRC Employer Compliance Manager and was engaged by the OTS (Office of Tax Simplification) as the IR35 expert tasked with undertaking the review of IR35 and writing the report for the then Chancellor of the Exchequer.

Kate was a founder member of and served on HMRC’s IR35 forum since 2011 and was called to assist the House of Lords committee, on the use of Personal Service Companies and is an expert contributor to various sector specific platforms and National publications.

Bauer & Cottrell are a Supply Partner to Professional Passport for the provision of Contract Reviews and Off-Payroll support.

You can read what our clients have to say about our services here.

Put Your Case In The Hands Of Professionals

We are wholly independent and are known for our honesty, integrity and professionalism and are extremely proud of our excellent reputation throughout the industry. Contact our team of IR35 experts today to discuss your case.

The status / IR35 / Off-Payroll experts

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