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B2BMedium Effortportugal

MTD Portfolio Ops — Client Readiness, Threshold Monitoring & Quarterly Update OS for UK Accountants and Bookkeepers

The accounting software market already handles bookkeeping. The under-built layer is portfolio migration control.

Score78/100
Apr 27, 2026
TAM
€302.4M — directional estimate assuming ~14,000 UK practices and portfolio operators spending ~€1.8K/month equivalent on MTD transition, readiness, and exception-management software.
SAM
€96M — ~4,000 practices with meaningful landlord / sole-trader portfolios spending ~€2K/month equivalent on readiness and quarterly-update coordination.
SOM
€1.08M — 30 customers at ~€3K/month blended subscription revenue in years 1–2.

The Problem

The accounting software market already handles bookkeeping. The under-built layer is portfolio migration control.

Practices now need to know:

  • which clients cross which MTD thr...

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