Share on LinkedInShare on LinkedIn

ARTICLE · 23 JANUARY 2026

Key Factors In Determining Work Dates On A CoS In The SW Route

Here is the clean text extracted from your HTML, formatted with the correct headings and structure for Framer.

United KingdomImmigration

Here is the clean text extracted from your HTML, formatted with the correct headings and structure for Framer.

Choosing the correct work dates on a Certificate of Sponsorship (CoS) for a Skilled Worker visa is more than just selecting start and end dates. These dates impact visa validity, Home Office fees, and compliance with sponsorship duties.

In this blog, we'll cover key factors to consider, common pitfalls to avoid, and tips to help you get it right the first time.

When Are the Work Dates Required?

For a defined certificate of sponsorship (CoS), you complete the relevant work dates section when you request it. For an undefined CoS you need to complete the section only when you assign the CoS to the migrant.

We operate a free-to-view policy, asking only that you register in order to read all of our content. Please login or register to view the rest of this article.

See more popular content from