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Best MTD Software for Agents with Spreadsheet Clients

5 min2026-06-06

Quick Answer

The best MTD setup for agents with spreadsheet clients is bridging software with a multi-client workspace — not forcing every client onto Xero. Abridge lets practices see filing status, review drafts, and submit for spreadsheet-native clients.

Many practices have clients who will not migrate to full accounting software. MTD still requires compliant submission — bridging software plus an agent workspace is the pragmatic answer.

What agents should look for

  • Client dashboard — obligations and submission status at a glance
  • Review before submit — client prepares, agent approves
  • ASA / authorisation flow — HMRC-compliant agent filing
  • Spreadsheet compatibility — Excel and Google Sheets, not just CSV uploads

Bridging vs full software for practices

| Model | Client experience | Practice workload | |-------|-------------------|-------------------| | Force full software | High friction for spreadsheet clients | Training and support spike | | Bridging + workspace | Clients keep spreadsheets | Review-and-submit workflow | | Manual ASA + portals | Confusing for clients | High admin, error-prone |

Abridge for agents

Abridge offers a dedicated agent workspace with per-client pricing, invite flows, and filing visibility for spreadsheet clients.

MTD for spreadsheet clients?

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For Agents

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