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Accounstone
Tax Preparation Support for UK Businesses

UK Tax Preparation Support Services

Self Assessment and Corporation Tax preparation support, working under your accountant or tax agent's review.

Overview

Support for UK Tax Preparation Workflows

UK tax preparation splits into two main tracks: Self Assessment for sole traders and individuals, and Corporation Tax for limited companies, both filed through HMRC's online systems. We support the preparation and documentation work — organising records, reconciling figures, and preparing supporting schedules — working under the review of your UK accountant or tax agent, who retains final sign-off and filing responsibility.

Benefits

What You Get

  • Self Assessment documentation preparation for sole traders and individuals

  • Corporation Tax return preparation support for limited companies

  • Records organised and reconciled ahead of your accountant's review

  • HMRC online filing-ready documentation

  • Support during UK tax season capacity crunches (January Self Assessment deadline)

  • Coordination with your UK accountant or registered tax agent for final review and filing

Questions

Frequently Asked Questions

No — we support the preparation and documentation process, but final review, sign-off, and filing is handled by your UK accountant or registered tax agent, consistent with how UK tax practice works.

Yes, this is one of the most common ways firms and businesses use our support — absorbing preparation workload ahead of the 31 January Self Assessment deadline so your accountant can focus on review and client conversations.

Yes, we prepare supporting documentation and reconciliations for Corporation Tax returns, working alongside your accountant for the actual CT600 filing.

We work within Xero and other MTD-compatible platforms, fitting into however your accountant or firm already operates.

Preparing for Self Assessment or Corporation Tax?

Let's talk about your capacity needs before the next filing deadline.