One-off accounting services offer help in a single transaction with respect to your accounting or tax needs without the monthly accounting package.
Fixed one-off fees
No monthly lock-in
UK based support and HMRC / Companies House
ready
One-Off Accounting Prices & Fixed Fee Services
Don’t need a monthly subscription to year-end accounts, a Self Assessment tax return or a VAT return? Whether you’re a sole trader, a limited company, a partnership, landlord or freelancer, we have clear published one-off fees so you can budget with complete certainty.
See pricing tables
Reliable one-off accounting with fixed published fees
Transparent & Predictable Pricing
We believe accounting pricing should be simple, transparent, and completely predictable. Our rates are structured clearly around your annual turnover and business type (sole trader, limited company, or partnership) with no hidden add-ons or unexpected hourly bills. You know the exact cost of your year-end accounts and tax returns before we begin, allowing you to budget with absolute confidence
HMRC & Corporate Compliance
The UK tax compliance and corporate filing deadlines can be daunting and complex. We prepare your Corporation Tax returns (CT600), Self Assessment and statutory accounts through to the end of the process, ensuring that the returns are prepared to the newest statutory requirements. We will make accurate reports on time and submit them early to ensure that your business is not hit by late filing penalties, HMRC enquiries and interest charges.
Dedicated UK Expert Support
We are provided with local business needs and UK tax law expertise from accounting professionals that work in the UK. From a quick question regarding allowable expenses to clarification on a particular draft, to help with your year end filing, our “helpful team” is available by phone or email to offer prompt and practical advice specific to your business.
Flexible & Scalable Services
Your accounting service should evolve with your business rather than compel you to sign up for a long-term agreement. Make ad hoc payments or receive annual year-end support without the expense of a retainer. Whether your business is expanding or your bookkeeping requirements are rising, you can easily upgrade to a monthly retainer fee and enjoy uninterrupted tax planning and peace of mind throughout the year.
Find out ahead of time how much of a fee is charged
Match the band of the same size, get a 60-minute quote or call the team, we will confirm the fixed fee in writing before work begins.
Popular fees
Popular Services at a Glance
Explore our most frequently requested accounting and tax services designed to give you complete clarity and peace of mind.
What’s included — and what isn’t
Usually included
- Preparation of the agreed return or accounts
- We take care of putting and reviewing your annual financial statements Company Tax Returns (CT600) or Self Assessment returns. We do this based on the plan that was agreed on in your proposal.
- One review call or written liability summary
- Before sending anything to the authorities we go over your numbers with you. You can pick a call to talk about your calculations or get a detailed written summary that explains your tax liability and the choices you have.
- Electronic filing to HMRC or Companies House where applicable
- We send all the accounts and returns that have been approved through official ways. This makes sure everything meets the UK rules, for digital submissions and how things need to look.
- Filing acknowledgements and payment guidance
- After submitting we give you electronic receipts that show the submission was successful. We also help you understand when, where and how to pay any tax that’s due. This helps you avoid any interest charges.
Not included unless agreed
- Multi-year catch-up beyond quoted hours or days
- bookkeeping or multi-year filing catch-up work asks for more effort than a normal single-year engagement. Any extra historical catch-up will be checked for scope. Quoted on its own.
- HMRC enquiry defence or tribunal work
- Assisting with HMRC audits, official investigations or tribunal proceedings is more than routine preparation and compliance. We provide advisory and enquiry defence packages if you need them.
- Same-day emergency filings after cut-off
- Last‑minute requests that come after the normal cutoff dates or deadline windows may bring fees for expedited processing to cover overtime resource use.
- Third-party software subscription fees
- Direct subscription costs for bookkeeping platforms such, as Xero, QuickBooks or Dext are billed separately. Paid directly by you to the software vendor unless they are bundled clearly into your package.
How Our Process Works
01
Select Your Service
Make use of our transparent price list to select your band and services.
02
Submit Details
Provide records, bank statements or access to software.
03
Review & Approval
We prepare your documents and show you the draft numbers and tax liability (prepared by qualified accountants in the UK).
04
HMRC Filing
Once we have your final approval, we file everything electronically with Companies House and HMRC.
Why Choose Our One-Off Accounting Services?
Why Accountingbyte for one-off accounting?
- Transparency of Fee Bands: No secret “from” fees, just published, ahead of time, according to the type of business and turnover.
- HMRC & Companies House Compliant: End-to-end preparation and submission to ensure you’re compliant and won’t incur late filing penalties.
- UK Support: Access to skilled accountants through calls and email that can give you advice when you need it.
- Pay Only When You Need Us: Transparent, fixed single payments. Monthly support can be used at any time.
We can assist you with
Data entry
Year-end accounts
Self assessment
VAT returns
Payroll
Bookkeeping catch-up
Corporation tax
MTD software support
Testimonials
What Our Clients Say About Us
Our clients trust us in the UK for the following reasons: service, good communication, and professional accountancy help.
FAQs
One-off accounting services are services that are provided once.
If one-off accounting services are required, how much do they cost?
The price varies according to the service that you need, and the complexity of your accounts. Accountingbyte has set prices on several accounting/tax services that are available on a one off basis.
What kind of one-off accounting services does Accountingbyte provide?
Examples of the services are annual accounts, Self Assessment tax returns, Corporation Tax returns, VAT returns, payroll, bookkeeping and other accounting support.
Do I require a company to be a sole trader?
Yes. One-off services are available for sole traders to cover annual accounts, Self Assessment tax returns, bookkeeping and other specific accounting needs.
Will Accountingbyte be able to prepare and file my company accounts?
Yes. Depending on the service chosen, Accountingbyte can prepare limited company accounts and ensure that the relevant accounts are submitted to Companies House and HMRC.
Do you offer regular accounting services?
Yes. When your accounting requirements grow, you can transition from one-time service to an accounting package that provides regular accounting, bookkeeping, tax and payroll support.
Is there a package that requires a monthly subscription to make use of one-off services?
No. One-off services are available on an individual basis, suitable for companies and individuals that only require assistance with a specific accounting or tax-related problem.
What is the approximate time required for a one-off accounting service?
The time taken to turn around will vary according to the nature and complexity of the work. If you have all necessary records and information, Accountingbyte will be able to confirm the expected completion time once all records and information are provided.
Get your fixed one-off quote
Tell us your entity type, turnover band and deadline. We’ll confirm the published fee — or a tailored quote for complex work.
UK Registration Number: 15923608
Address
111 Dudley Road West, Tividale, Oldbury, England, B69 2HU
Phone
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