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Making Tax Digital Bridging Software

Bridging Software for MTD – What It Is & When You Need It

Need bridging software for MTD? Learn how it works, when it applies, and the best options for submitting VAT returns using spreadsheets under Making Tax Digital.

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If your business still relies on spreadsheets for bookkeeping, you may not need to change everything to comply with Making Tax Digital (MTD) at least not right away. With bridging software for MTD, you can still use spreadsheets while meeting HMRC’s digital submission requirements.

This guide explains what bridging software is, who needs it, and how to choose the right tool.

What Is Bridging Software for MTD?

Bridging software is a digital tool that connects your spreadsheets to HMRC’s Making Tax Digital (MTD) system. It enables businesses that still keep records in spreadsheets to remain compliant by creating a secure digital link with HMRC.

With bridging software, you can:

  • Import VAT or income tax figures directly from your spreadsheets.
  • Convert the data into HMRC’s required digital format.
  • Submit your return to HMRC via their API without retyping figures or breaking the digital link rules.

In short, bridging software “bridges” the gap between your manual records and HMRC’s digital gateway.

Important: While bridging software can keep you compliant in the short term, HMRC strongly encourages businesses to move towards fully integrated cloud accounting systems. These provide better automation, fewer errors, and real-time visibility of your finances.

When Should You Use Bridging Software?

Bridging software can be a useful short-term solution for businesses that are not yet ready to move fully into cloud accounting. It works best in situations such as:

  • Spreadsheet-based record keeping – if your business currently maintains accounts in Excel or similar tools.
  • Transition phase – when you’re not yet ready to migrate fully to a cloud system but still need to comply with MTD.
  • Accountants with multiple clients – where firms manage client data in spreadsheets and need a quick way to file digitally.
  • Specialised VAT calculations – where complex or customised VAT processes cannot easily be replicated in standard accounting software.

Note: Bridging software should generally be viewed as a temporary solution. Over time, moving to fully integrated cloud accounting software offers greater efficiency, fewer risks, and full compliance without manual workarounds.

Making Tax Digital Requirements It Must Meet

To comply with Making Tax Digital (MTD), HMRC has strict rules on how records are kept and submitted. Bridging software must ensure that:

  • No manual retyping of data – figures cannot be copied and pasted between spreadsheets and software.
  • Digital links are maintained – your records must flow electronically from the original source (e.g. spreadsheet) through to the submission, preserving a clear audit trail.
  • HMRC approval is essential – only software listed on HMRC’s official directory is recognised as MTD-compliant.

By meeting these requirements, bridging software allows you to stay compliant with HMRC while keeping your existing spreadsheet-based workflows in place.

Important: While bridging software helps with compliance, HMRC’s long-term expectation is that businesses move towards fully integrated cloud accounting systems for better accuracy and efficiency.

What Tax Types Can It Be Used For?

Bridging software is designed to help businesses stay compliant with HMRC’s Making Tax Digital rules while still using spreadsheets. It is most commonly used for:

  • MTD for VAT – the main use case, particularly for businesses and accountants managing records in Excel.
  • MTD for Income Tax (ITSA) – some bridging tools are beginning to support quarterly submissions for sole traders and landlords, though availability is currently limited.
  • MTD for Corporation Tax – HMRC has scrapped plans to introduce MTD for Corporation Tax, so bridging software is not required for CT600 filings.

Important: While bridging software can keep you compliant in the short term, HMRC’s long-term direction is clear: businesses should move to fully integrated MTD-compatible accounting software for smoother reporting, fewer errors, and future-proof compliance.

Examples of Popular Bridging Software for MTD

Here are some of the most widely used tools for bridging:

VitalTax (by BTCSoftware)

  • Free add-in for Microsoft Excel
  • Ideal for MTD for VAT
  • Easy to install and HMRC-approved

Absolute Excel VAT Filer

  • Designed specifically for bridging from spreadsheets
  • Offers detailed error checks and reporting features

TaxCalc Bridging Software

  • Suitable for accountants and agents
  • Allows submission of VAT and links to other TaxCalc modules

Andica MTD VAT Bridging

  • Affordable standalone solution for small businesses
  • Simple interface and Excel-compatible

All tools must be on HMRC’s official MTD software list.

When Should You Upgrade from Bridging?

Bridging software is useful for easing into MTD but it’s not a permanent solution. You should consider upgrading to full MTD software if:

  • Your business is growing and needs automation
  • You want real-time insights and reporting
  • You’re managing multiple income sources or properties
  • You’re tired of manually updating spreadsheets

See our MTD Compliant Software Guide for help choosing a long-term solution.

Can Bridging Software Help You Stay Exempt?

No bridging software is designed to help businesses comply with Making Tax Digital, not avoid it. Using bridging tools keeps you within HMRC’s digital record-keeping rules, but it does not qualify as an exemption.

If you cannot use digital tools at all for example, due to age, disability, religious grounds, or lack of internet access you must apply directly to HMRC for an official exemption or deferral.

For more details, see our MTD Exemptions and Deferrals Guide.

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How Accounting Wise Can Help

We support clients who:

  • Still use spreadsheets but need to stay MTD compliant
  • Want to use bridging software but don’t know how to set it up
  • Are transitioning from bridging to cloud accounting
  • Need quarterly filing support and full MTD management

Stay MTD-Compliant with or Without the Cloud

Whether you stick with spreadsheets or move to full software, bridging software for MTD can keep you compliant with minimal disruption.

Contact us today to get set up with the right bridging tool or explore the benefits of going fully digital.

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Making Tax Digital Bridging Software FAQs

MTD bridging software is a tool that links spreadsheets or non-compliant accounting systems to HMRC’s digital systems. It acts as a “bridge” by converting your spreadsheet data into the correct digital format and submitting it directly to HMRC through a secure API connection.

You need bridging software if:

  • You keep financial records in spreadsheets
  • Your current software is not MTD-compatible
  • You don’t want to move to a full cloud accounting solution yet

Bridging software ensures you can still meet MTD requirements without immediately changing your record-keeping system.

Yes. HMRC recognises bridging software as a valid way of complying with MTD rules. However, you must ensure the software you choose is HMRC-approved and compatible with the type of MTD submission you need (VAT or, in the future, Income Tax).

Yes. Many businesses use bridging software to connect VAT spreadsheets to HMRC and submit VAT returns digitally. This is one of the most common uses for bridging software under MTD.

HMRC has not yet confirmed the full rules for bridging software under MTD for Income Tax (ITSA). While it may be possible, the expectation is that most landlords and sole traders will eventually need to adopt full MTD-compliant software for quarterly reporting, as spreadsheets are less practical for frequent submissions.

Pros:

  • Allows you to keep using spreadsheets
  • Lower cost than moving to full accounting software
  • Quick way to comply with MTD requirements

Cons:

  • More manual work and risk of errors
  • Limited features compared with full accounting software
  • May only be a short-term solution as MTD evolves

For some businesses, yes – particularly those with simple records or who prefer spreadsheets. However, as HMRC expands MTD, full cloud accounting software is likely to become the more practical, future-proof choice. Bridging software works best as a transitional option.

At Accounting Wise, we can:

  • Recommend HMRC-approved bridging software if you want to continue using spreadsheets
  • Help set it up and connect it to HMRC
  • Manage VAT submissions on your behalf
  • Advise on when it may be more beneficial to switch to full accounting software

This ensures you stay compliant with MTD in the way that best suits your business.

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