HMRC XML Electronic Filing
Filing with HMRC should be a button click, not a three-day ordeal involving exported spreadsheets, third-party software, and anxious waiting. HMRC XML Electronic Filing connects your portal directly to the HMRC XML Gateway. Your Corporation Tax computation, VAT return, and iXBRL-tagged accounts are assembled from your existing data, validated against HMRC schemas, and submitted electronically—all without leaving your dashboard. Track submission status in real time. Receive instant confirmation when HMRC accepts your filing. Get clear, human-readable error messages if something needs correcting. One platform. One submission. Done.
Challenges We Solve
Transforming complex problems into seamless automated workflows.
Filing with HMRC requires expensive third-party software
Most directors rely on their accountant or specialised software to convert their accounts into iXBRL format, validate the data, and submit to HMRC. This adds cost, delays, and an extra dependency to your compliance workflow.
- Direct submission to HMRC XML Gateway—no third-party tools
- iXBRL tagging handled automatically from your financial data
- HMRC schema validation before submission catches errors early
- Included in your ByVeya subscription—no extra software fees
Filing errors and rejections are cryptic and stressful
HMRC's error codes are technical and unhelpful. When a filing is rejected, you're left decoding XML error messages and guessing what went wrong. This wastes time and creates anxiety around compliance deadlines.
- Human-readable error explanations with fix suggestions
- Pre-submission validation catches 95% of issues before they reach HMRC
- Side-by-side comparison showing what HMRC expected vs. what was sent
- Historical submission log with full audit trail
No visibility over filing status and deadlines
After clicking 'submit,' you're in the dark. Did HMRC receive it? Was it accepted? Is there a query? Meanwhile, filing deadlines approach and penalties accumulate for every day you're late.
- Real-time submission status tracking in your dashboard
- Instant email confirmation when HMRC accepts your filing
- Compliance calendar with automated deadline reminders
- Penalty-risk indicators when deadlines are approaching
Key Features
Powerful tools built specifically to accelerate your growth.
Direct HMRC XML Gateway integration
What this means for you: Your HMRC filings go directly from your data to HMRC. No middlemen, no delays.
We connect to HMRC's official XML Gateway using registered credentials. Your Corporation Tax CT600, VAT 100, and annual accounts are formatted, validated, and submitted directly—no intermediary platforms, no data re-entry.
- Registered with HMRC as an authorised filing agent
- CT600, VAT 100, and iXBRL accounts filing supported
- TLS-encrypted submission channel
- Submission receipts stored automatically for your records
Automatic iXBRL tagging and validation
What this means for you: No iXBRL expertise required. The system handles the technical complexity for you.
Your financial statements are automatically tagged in iXBRL format using the correct HMRC taxonomy. Every field is validated against the current schema before submission, so errors are caught before they reach HMRC.
- Automatic iXBRL tagging from your chart of accounts
- Full HMRC taxonomy alignment for UK GAAP and FRS 102
- Pre-submission validation catches formatting and data errors
- Visual preview of the tagged accounts before filing
Filing dashboard and compliance calendar
What this means for you: You'll never wonder 'did we file that?' again.
A dedicated filing dashboard shows every submission you've made—or need to make. Upcoming deadlines are colour-coded by urgency. Past submissions show their acceptance status. Everything is exportable for your records.
- All filings in one timeline: CT600, VAT, accounts
- Colour-coded urgency: green (on time), amber (upcoming), red (overdue)
- One-click re-submission for corrective filings
- Full audit trail exportable as PDF or CSV
Reduce filing time from days to minutes
HMRC XML Electronic Filing removes every manual step between your financial data and HMRC acceptance.
- Automatic iXBRL tagging eliminates manual conversion
- Pre-submission validation prevents rejected filings
- Real-time status tracking removes follow-up guesswork
- Compliance calendar ensures you never miss a deadline
Real-World Scenarios
Quarter-end VAT submission
"Your VAT quarter ends on Friday. By Monday morning, your bank feeds have synced, transactions are categorised, and the VAT 100 is auto-populated. You review the figures, click 'Submit to HMRC,' and receive confirmation within 30 seconds."
Outcome: Filed, accepted, and confirmed—all before your first meeting of the week.
Corporation Tax deadline with amendments
"Your CT600 is due in 10 days. You submit it and HMRC flags an inconsistency in the accounts note. The filing dashboard shows a clear, human-readable explanation. You correct the figure, re-validate, and resubmit in under five minutes."
Outcome: A potentially stressful rejection is resolved calmly and quickly—well before the deadline.
"We used to export from our accounting system, import into iXBRL software, validate, fix errors, re-validate, and finally submit. Now it's one click from our ByVeya dashboard. The entire process went from two days to ten minutes."
Helen Carter
Practice Manager, Carter & Blake Accountants
Got Questions?
Everything you need to know about the product and billing.
Is ByVeya an HMRC-recognised filing agent?
Yes. ByVeya is registered with HMRC and connects via the official XML Gateway using authorised presenter credentials. All submissions are encrypted and digitally signed.
Can I file for multiple companies?
Absolutely. If you use Multi-Company Support, you can file CT600, VAT, and accounts for every entity in your group from one portal—each with its own submission history and compliance calendar.
What happens if HMRC rejects my filing?
You'll receive a clear, plain-English explanation of the error alongside the HMRC error code. Most issues can be fixed and resubmitted within minutes. The portal shows exactly which field needs attention.