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How UK practices clear the January self-assessment backlog

15 July 2026 · 5 min read

Every January the same crunch hits. Here is how forward-thinking practices add capacity without burning out their team.

The self-assessment deadline turns every January into a scramble. The practices that stay calm are the ones that plan overflow capacity in advance rather than reacting in the final fortnight.

Start with the bottleneck

Most firms find the bottleneck is not the number of returns but the review layer. Outsourcing preparation to a vetted remote team — while your seniors keep the review — multiplies throughput without diluting quality.

Model the volume early

Look back at last year's January volume, add your growth, and agree a working model before December. A rolling hour bank or job-based overflow means you only pay for what you use.

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