Specialist Accountants for Construction Companies
CIS, VAT, payroll & more — tailored support for UK builders & contractors
Running a construction business is hard enough without having to worry about tax, bookkeeping, and payroll. At Ultra Tax Ltd, we handle it all — so you can focus on the job site.
Free CIS Reviews
Fixed-Rate Pricing
Fast Turnarounds
Personal Accountant
Why Construction Companies Choose Ultra Tax
We work with builders, contractors, and tradespeople every day. We know the challenges you face, from navigating the Construction Industry Scheme to staying VAT-compliant and paying subcontractors correctly.
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When you work with us, you get:
A dedicated accountant who knows your trade
Help with everything from CIS to payroll
Fast and accurate tax returns
Free unlimited support whenever you need it
Construction Accounting Services We Provide
We offer a full range of accountancy and tax services tailored for construction firms, subcontractors, and contractors:
CIS Tax Returns
Claim your CIS refund quickly and avoid penalties. We’ll handle everything for you.
Payroll for Subcontractors
Ensure your workers are paid correctly and stay compliant with HMRC.
VAT Returns & Compliance
From registration to quarterly returns, we make VAT simple — and accurate.
Limited Company Accounts
Full year-end accounts, Companies House filing, and tax optimisation.
Bookkeeping & Receipts Management
Let us track your expenses so you don’t miss out on claims.
Tax Advice & Planning
Strategic tax planning to keep more of your hard-earned money.
Every Service Includes:
Dedicated Personal Accountant
Tax Planning Meetings
Free Industry-Standard Software
Unlimited Support
HMRC Correspondence Handling
Regular Financial Reviews
Get all your accounting needs covered with one fixed monthly fee
No Hidden Charges | Expert Support Guaranteed
We Solve the Problems You Deal With Every Day
"My CIS deductions are all over the place – I don’t even know if I’m owed a refund."
We’ll review your last 4 years and help you claim back what you're owed.
“VAT is a nightmare – I’m worried I’ve been doing it wrong.”
We handle VAT registration and returns, and we’ll check your past submissions for errors.
“I’m too busy on site to worry about paperwork.”
Your personal accountant will take care of everything behind the scenes — just send us your receipts.
“I’ve got subcontractors – do I need to run payroll or register for CIS?”
We’ll tell you exactly what you need to do and sort the setup for you.
Join Ultra Tax Ltd Today
You’ll no longer have to second-guess your tax returns, worry about deadlines, or waste time sorting paperwork. Our expert team takes care of everything — CIS, VAT, payroll, bookkeeping, and more — so you can focus fully on the job site. With Ultra Tax Ltd on your side, you get reliable, specialist support that helps your construction business grow smoothly and stress-free.
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Fixed-rate pricing | Unlimited support | Dedicated accountant
What Construction Clients Say About Us
Cain Stanger
"ellen and her team have helped out massively on my tax return and i’m over the moon with the outcome, not only that, she has helped cover behind the scenes of the company i work for and she’s done a fantastic job. cheers everyone at ultra tax LTD."
Jordan Knight
"Ultra Tax Ltd has been an essential partner for Enhanced Utility Solutions Ltd. Their team's deep understanding of tax regulations and financial strategies has been instrumental in optimising our company's finances. They go above and beyond to ensure we make informed decisions that benefit our business. I can't thank them enough for their outstanding support and expertise. Highly recommended!"
Mark Pace
"Ultratax are my current accountants, and they never fail to give
excellent service. There is always someone there to help, and they keep everything on track . A truly hard working team I recommend ultratax 100%."
Check out more reviews
Frequently Asked Questions
Can you help me claim my CIS tax refund?
Yes — we specialise in CIS. We’ll calculate your refund and submit everything to HMRC on your behalf.
Do I need to be VAT registered as a builder?
If your turnover is over £90,000, you’re legally required to register. But even if you're below the threshold, it might benefit you — we’ll help you decide.
I’m not a limited company. Can you still help me?
Absolutely — we work with both sole traders and limited companies.
Can you handle everything monthly?
Yes — we offer monthly packages that include bookkeeping, payroll, VAT, and unlimited support.
How quickly can I get set up?
In most cases, we can get you onboarded and up and running in 24–48 hours.
Let’s Handle Your Tax & Accounts So You Can Focus on the Job
Claim your free consultation today and let’s get your accounts sorted.
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Fixed-rate pricing | Unlimited support | Dedicated accountant