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iXBRL Conversion Services

How iXBRL tagging & conversion works

Convert your financial statements, accounts and tax computations into HMRC and Companies House compliant iXBRL - FRS 101, FRS 102, IFRS, micro-entity and charity taxonomies all covered. From signing up to a completed iXBRL file ready for filing - five simple steps, start to finish.

iXBRL Tagging Financial Statement Conversion HMRC & Companies House Compliant FRS 101 / FRS 102 / IFRS
Accountant reviewing tagged financial statements
We Have You Covered
HMRC Recognised
for iXBRL solutions
ISO 27001 Certified
for information security
ISO 9001 Certified
for quality management
PCI DSS Compliant
secure card transactions
GDPR Ready
for data privacy

What is iXBRL Tagging & Conversion?

iXBRL (Inline eXtensible Business Reporting Language) Tagging & Conversion is the process of converting financial statements into a machine-readable format by applying standardised XBRL taxonomy tags. These tags allow regulators, tax authorities, and financial institutions to automatically read, validate, and analyse financial data while preserving the original human-readable document.

An iXBRL filing package is prepared by mapping each financial disclosure to the appropriate taxonomy elements and validating it against the applicable reporting requirements before submission. A typical iXBRL conversion package includes:

  • Financial statements converted into iXBRL
  • Taxonomy mapping based on the applicable reporting framework (e.g., FRC, IFRS, UK GAAP)
  • Validation against regulatory filing rules
  • iXBRL instance document ready for submission
  • Supporting reports and validation summaries, where applicable

Step 1. Set up your online account

  • Create your online account

    Click "Start Now" at the top right of the webpage, then fill in and submit the sign-up form.

  • Confirm your account

    You'll receive an account activation link by email - click it to activate your account.




Step 2. Create an order

  • Create your list of entities

    Enter the name of the entity and related information for which you need iXBRL accounts.

  • Confirm your order

    Choose the services required and turnaround time, then confirm your order.




Step 3. Upload financial statements

  • Upload the necessary financial statements

    You can choose to upload in formats such as PDF, Excel or Word.

  • Or fill our Excel template

    You can also request from us an Excel template to fill the required financial information (for micro entities).




Step 4. Download iXBRL and review

  • Download and review iXBRL

    You'll receive an email alert when the iXBRL file is ready. Please download the iXBRL files, review and approve.

  • Amendments

    If you require any amendments or review, we will do it at no additional cost.




Step 5. Filing company tax return

  • Filing CT600 with HMRC

    If you have opted for this service, we will prepare and submit CT600 to HMRC.

  • Acknowledgement

    We will email you the acknowledgement copy of HMRC successfully receiving the CT600.



Important - Accounting Firms & Group Companies
Add multiple entities to one account, and get a dedicated support manager plus volume discounts as you scale. Talk to us about your volume →
Why Us

Not just high quality or best price - it’s about the experience

Expertise - a decade of experience

Headed by an expert who developed the iXBRL solution behind some of the world’s earliest iXBRL reports submitted to HMRC.

Customer delight - else refund

In the rare instance you’re not delighted with our service, we refund fully. No questions asked.

Flexible process - 24 files overnight

Whether you need a report within hours or weeks ahead, our delivery model flexes to meet your deadline.

What Our Customers Say

Rated Excellent by our customers on Trustpilot

Trustpilot 4.6 · 19 reviews

“Please thank your team for all of your help with the filing. I’ll bear you guys in mind for the future.”

Verified reviewer · via Trustpilot

“Thank you for submitting this - and for such a prompt turnaround.”

Verified reviewer · via Trustpilot

“I really appreciate it! You most certainly have shown me a great customer service.”

Verified reviewer · via Trustpilot

Full client references available on request. Read all our verified reviews on Trustpilot →

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Frequently Asked Questions

Questions about the process

iXBRL conversion is the process of transforming your financial statements into Inline XBRL (iXBRL) format by applying the correct taxonomy tags. The converted file can then be submitted to HMRC as part of your Corporation Tax Return (CT600).

Any UK company filing Corporation Tax returns with HMRC must submit its statutory accounts and tax computations in iXBRL format. If your accounting software cannot generate compliant iXBRL files, a professional conversion service is required.

You can upload your financial statements in PDF, Microsoft Excel (XLS/XLSX), Microsoft Word (DOC/DOCX), or other commonly used accounting report formats. Our team converts them into HMRC-compliant iXBRL files.

Most iXBRL conversions are completed within 24 to 48 hours. Urgent same-day services may also be available for companies with approaching filing deadlines.

Once the conversion is complete, we securely deliver your validated iXBRL accounts and tax computation files by email or through our secure client portal, ready for submission.

Our primary service is iXBRL tagging and conversion. If required, we can also assist with preparing and filing your CT600 Corporation Tax Return using compatible HMRC filing software.

If your submission is rejected due to an iXBRL tagging issue within our scope of work, we review the rejection, make the necessary corrections, and provide an updated iXBRL file at no additional cost.

Yes. We convert both standalone and consolidated financial statements while ensuring the correct taxonomy mapping and validation for each entity.

Yes. All client information is handled confidentially using secure data transfer methods and strict internal security procedures. Your financial documents are never shared with third parties.

No. Simply send us your financial statements, and our team will review your documents, provide a quotation, and begin the conversion once approved.

Pricing depends on the complexity of your financial statements, the reporting framework, and the number of disclosures requiring tagging. Contact us for a free quotation with no obligation.

Yes. We regularly work with accountants, tax advisers, and corporate groups managing multiple entities. Volume pricing and dedicated account management are available.