What to expect from your employers ET3 response

If you’ve made a claim to the Employment Tribunal in the UK, you’re probably feeling a mix of emotions — anxious, hopeful, and maybe a little overwhelmed. One of the next big steps in the process is receiving your employer’s response, known as the ET3 form. Understanding what to expect can help you prepare and stay calm.

In this guide, we’ll walk you through what an ET3 response is, the common tactics employers use, and what legal terms like “vexatious,” “Polkey,” and “mitigation” actually mean — all in simple language.