Market leading CIS specialists

We’ll help you navigate the complexities of working in the construction industry.

Your shield against the risks of self-employment.

As leading Construction Industry Scheme (CIS) specialists, we’ll guide you through the tax complexities of self-employment, CIS rules and regulations so you can continue to enjoy the freedom and flexibility of self-employment, without the worry of HMRC’s many rules and regulations.

CIS: How it works

Glossary: words you'll hear a lot of in payroll
What determines IR35 status?
IR35 for contractors: questions answered.
IR35: explained with an example

Why choose Optimum Pay Group?


Leading CIS specialists.

We’re on hand to guide you every step of the way.


Simple and easy.

Easy to follow advice and processes for you to follow - no jargon.


Fast and efficient.

We’ll get you set up quickly, so you can get on with contracting.


Zero admin.

We take care of all admin, payments and invoicing for you.


Expert advice.

We keep up to date with the latest rules and regulations so you don’t have to.


No hidden charges.

From day one, we’re open and honest about our margins and fees.

Get started today.

Contact us for a friendly chat about our services and how we can help you.

Tried. Trusted. Compliant