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Salary
≈ $56k – $113k per year (Estimated)
Location
Hybrid (Uckfield, United Kingdom)
Seniority
Senior
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 29, 2026.

Overview
Company
Impact
Profile match
Sumer is a British group of accountancy firms that provides accounting, audit, tax, payroll and business advisory services to small and medium-sized businesses across the United Kingdom. Formed in 2022, it has brought together regional practices with offices in cities such as London, Belfast, Stoke-on-Trent, Bolton, Ipswich, Worthing, Leeds and Sheffield, and it hires accounts semi seniors, early careers trainees and compliance staff. The company is headquartered in Barrow-in-Furness, England, United Kingdom.
Backed by Penta Capital

At Simmons Gainsford, we are a well-established and leading firm of Chartered Accountants and Business Advisors, providing a wide range of accounting, tax, audit and business advisory services to entrepreneurial businesses, owner managed companies and private individuals.

As part of the growing Sumer Group, Simmons Gainsford combines the personal, relationship-led approach of an established independent firm with the resources, expertise and career opportunities of a larger organisation.

We are looking for an Accounts Senior to join our team in Uckfield.

This is a varied role offering the opportunity to manage a portfolio of clients and deliver high-quality accounts and accounting services. You will work closely with managers, partners and colleagues across the firm, building strong client relationships while developing your technical expertise across a range of accounting and tax matters.

The role would suit someone with experience in an accountancy practice who enjoys working directly with clients, has strong technical and organisational skills, and is looking to develop their career within a supportive and growing firm.

Key Responsibilities

  • Managing a portfolio of clients and acting as a key point of contact for day-to-day accounting matters.
  • Preparing year-end accounts for a range of businesses, including owner-managed and SME clients.
  • Preparing management accounts and other financial information where required.
  • Assisting with the preparation of corporation tax computations and returns.
  • Supporting personal tax compliance work where relevant.
  • Reviewing bookkeeping records and resolving discrepancies to ensure the accuracy of financial information.
  • Liaising with clients to obtain information, answer queries and ensure work is completed efficiently.
  • Supporting managers and partners with more complex client assignments.
  • Maintaining accurate working papers and ensuring compliance with relevant accounting standards and requirements.
  • Managing workloads effectively to ensure assignments are completed accurately and within agreed deadlines.
  • Supporting junior colleagues and sharing knowledge where appropriate.

Skills, Knowledge & Expertise

  • Previous experience working within an accountancy practice, ideally managing a portfolio of clients.
  • AAT qualified or part-qualified ACA/ACCA, or equivalent practical experience.
  • Good knowledge of accounts preparation and general accounting principles.
  • Understanding of UK accounting standards and statutory reporting requirements.
  • Experience working with accounting software and Microsoft Excel.
  • Strong attention to detail and a commitment to producing high-quality work.
  • Excellent organisational skills, with the ability to manage multiple assignments and deadlines.
  • Strong written and verbal communication skills.
  • Confidence communicating with clients and colleagues at different levels.
  • A proactive and collaborative approach, with a willingness to continue developing technical knowledge and expertise.

Belong @ Sumer

At Sumer, we know everyone’s journey is different. That’s why we’re committed to fairness, removing barriers, and giving people the support they need to do their best work. If you need any support during the hiring process, just let us know.

Our values represent what matters most to us and guide how we work every day:

  • We Shine Together
  • We Do the Right Thing
  • We Make It Count

We know diverse teams make us stronger. That’s why we’re creating an inclusive workplace where everyone belongs and differences are valued and celebrated.

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