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Blog - Optimum

Welcome to our Blog! Here, you’ll find a collection of helpful in-depth guides, along with all the latest goings-on in the world of Umbrella Payroll and Contracting.

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Glossary: words you'll hear a lot of in payroll There are a lot of phrases you will hear in the payroll world, so we’ve provided a brief rundown of some of those keywords, along with a brief description for each.  
What determines IR35 status? You’re probably familiar with the complexities of determining the IR35 status of an employee, as it’s dependent on multiple factors which can vary from assignment to assignment. If that’s not har...
IR35 for contractors: questions answered. We know IR35 can be tricky, so we’ve compiled a list of all of the question we get asked on a daily basis. 
IR35: explained with an example Determining the IR35 status of an assignment can be complex, as there’s many variables to consider including Control, Substitution and Mutuality of Obligations.
A contractors guide to the Construction Industry Scheme. The Construction Industry Scheme (CIS) can be complex when it comes to correctly and compliantly calculating your tax and all fulfilling requirements outlined by HMRC.
What is a tax return? A tax return is one of the most important documents you need when in any kind of employment. It’s a document issued by HMRC every tax year, from 6 April to 5 April the following year, and provide...
Set up a Limited Company in these simple steps. So, you’re interested in setting up a limited company as a sole trader? Well, we’ve put together a simple guide with all the information you need to get started. By becoming a sole trader, you ru...
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