Accounts Senior - Start-Up Firm - London - London - England, London, West End

Senior Accountant | Start-Up Firm | London

Are you a qualified ACA or ACCA accountant with a strong practice background looking to take the next step in your career with a high-growth, B Corp certified business? Are you seeking a commercial, high-volume reviewing role where you can leverage your technical expertise in Xero, manage statutory compliance at pace, and directly influence process development within an expanding practice?

About the Firm

This fast-growing Independent Firm of Accountants forms the dedicated practice arm of a leading UK corporate services group. Having generated over £18m in annual revenue and supported more than 1 million UK businesses, this Certified B Corp and Carbon Neutral business combines modern cloud accounting technologies with integrated compliance support. Operating on a fixed-fee, high-volume model, the practice provides ambitious founders with single-platform bookkeeping, statutory accounts, tax, and payroll services, and is forecast to scale significantly over the next three years.

Responsibilities

As a Senior Accountant you will:

Review and sign off year-end statutory accounts prepared under FRS 105, FRS 102 Section 1A, and FRS 102 alongside related corporation tax computations.
Manage independent technical review queues across PAYE, RTI submissions, VAT returns, CIS returns, and Self Assessment tax returns for business owners.
Provide clear, constructive technical feedback to onshore and offshore preparation teams to drive first-time accuracy across high volume client portfolios.
Oversee and review bookkeeping and bank reconciliations managed within Xero to ensure accuracy and compliance ahead of statutory filings.
Prepare complex, non-standard accounts and tax returns while identifying out-of-scope work for additional commercial billing.
Support clients with Making Tax Digital (MTD) compliance and technical queries, escalating high-risk matters to the Accounting Manager.
Contribute to the development of internal guidance, review checklists, and workflow tools to optimise process efficiency.

What You’ll Receive

Hybrid working model (explicit mix of remote and office-based flexibility).
Enhanced continuous learning and professional progression pathway as the practice scales.

At Austin Rose, we specialise in Public Practice recruitment and use our market insight to support professionals in securing roles aligned with their long-term ambitions.

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