At Merces Pay Ltd, we help subcontractors across the UK Traffic Management & Construction industries manage their tax obligations quickly, easily, and correctly. No more late-night forms or confusing HMRC letters—just clear, professional support so you can get back to work.
How We Help
We know construction workers are busy, and tax can be confusing. That’s why we offer tailored support to make things simple.
✅ Self Assessment Tax Returns
Complete filing of your annual Self Assessment return
Partnered with registered chartered accountants for accuracy
Claim all allowable expenses to reduce your tax bill
Submit directly to HMRC on your behalf
Help if you’re unsure what you can claim
Advice on CIS deductions, business expenses, and allowable costs
Friendly explanations in plain English—no jargon
Assistance responding to HMRC queries or letters
Guidance on payment plans if you owe tax
Helping you avoid penalties and stay compliant
Did you miss a deadline or make a mistake on a return?
We can review your records, correct errors, and liaise with HMRC
Help getting your tax back on track without the stress
Related Services to Keep Your Finances Stress-Free
At Merces Pay Ltd, taxes are just one part of the picture. We offer a range of services to keep your finances organised, compliant, and hassle-free.
Stay on top of your payments, expenses, and CIS deductions with our three levels of support:
Level 1: Payment & CIS processing
Level 2: Full weekly bookkeeping with expenses
Level 3: Full bookkeeping + End-of-Year tax return
Learn more - click the button below
Not sure how CIS works or whether you need to register? We make it simple and show you how to get registered, understand deductions, and maximise what you take home.
Read the CIS guide - click the button below
Maximise your refund and stay compliant with our End-of-Year tax service. Partnered with a chartered accountancy firm, we handle the paperwork so you don’t have to.
See tax return services - click the button below
If you’re not sure which service is right for you, our friendly team can guide you through your options and suggest the best setup for your contracting work.
📞 Contact us today and let us take the headache out of your finances.