Built for the United Kingdom — out of the box

Mantle ships with UK‑specific VAT (MTD), reverse charge, CIS awareness, Companies House integration, GBP formatting and postcode address support. Submit MTD VAT directly to HMRC via API with full audit trail and digital‑links compliance.

Regional support

United Kingdom Localisations

Everything you need to operate in the UK—implemented to HMRC and Companies House requirements.

Tax & Returns

VAT Return (MTD): Generate VAT returns compatible with HMRC Making Tax Digital and submit with full audit trail.
Reverse Charge VAT: Support for CIS reverse charge and reverse charge on specified goods and services.
UK VAT Policies: Standard, reduced, zero‑rate, exempt and reverse charge VAT policies applied consistently.

HMRC Connectivity

MTD JSON/API Integration: Validated MTD JSON with direct API submission to HMRC from within Mantle.
Direct HMRC Submission: End‑to‑end MTD VAT filing—no bridging spreadsheets or exports required.
OAuth Credential Management: Securely connect, refresh and revoke HMRC authorisations with clear status.

Companies & Documents

Companies House Integration: Validate company registration numbers and auto‑populate official details.
UK‑compliant Documents: Invoices, credit notes and statements with GB VAT numbers and GBP formatting.
Address & Postcodes: UK address formats with postcode support built‑in.

Compliance & Industry

Digital Links & Record‑keeping: Guardrails for MTD digital‑links compliance with traceability from source to submission.
Invoice Requirements Validation: Checks for customer/supplier VAT numbers, address details and line‑level VAT treatment.
VAT Threshold Monitoring: Track rolling turnover to flag UK VAT registration threshold risks early.
Construction Industry Scheme (CIS): CIS reverse charge aware flows for construction supply chains.

Pre‑configured UK Defaults

VAT Codes & Rates: A ready‑to‑use set of UK VAT codes and rates to get started faster.
Standard UK Chart of Accounts: Practical UK‑style chart of accounts that you can tailor to your needs.
Fiscal Year Options: Support for April 6 fiscal year start where applicable.

Banking

BACS & Faster Payments: Generate files and references aligned to UK banking rails for smooth execution.
Sort Code Validation: Basic validation for sort code/account combinations to reduce rejects.

UK VAT (MTD) and CIS—done right

Submit MTD VAT directly to HMRC, stay compliant with digital links, handle reverse charge and CIS, and keep Companies House details in sync—without spreadsheets.