Senior Management Accountant

IRIS; Slough; On-site; GBP 60,000 - 80,000; Full time

Benefits offered by this job

Career development

International exposure

Collaborative team environment

Job summary

IRIS Software Group in the UK is seeking a Senior Management Accountant to join the Finance team. You will deliver high-quality monthly financial reporting, perform variance analysis, and provide commercial insights to stakeholders across the organisation.

You’ll oversee balance sheet reconciliations, manage accruals and prepayments, support group reporting and external audits, and mentor junior team members in a fast-paced, growth-focused environment.

Qualifications

• Qualified ACA/ACCA/CIMA with relevant accounting experience.
• Proven track record in management accounting and month-end reporting.
• Strong analytical and stakeholder management skills.

Responsibilities

• Deliver accurate month-end financial reporting with meaningful variance analysis.
• Prepare P&L and balance sheet reports and perform reconciliations.
• Manage accruals, prepayments and deferred revenue accounting.
• Support group reporting and board reporting requirements.
• Collaborate with FP&A to provide commercial insight and performance analysis.
• Assist external audits and ensure compliance with reporting standards.
• Mentor junior team members and support their development.
• Oversee VAT returns and intercompany accounting activities.
• Coordinate with stakeholders across functions and locations.

Skills

Management accounting

Month-end close

Variance analysis

Stakeholder management

Financial reporting

Education

ACA/ACCA/CIMA qualification

Tools

Excel

Job description

About IRIS

IRIS Software Group is one of the UK’s largest privately held software companies, trusted by 100,000+ businesses, schools and accountancy firms to keep their operations running. Our software pays 1 in 6 UK employees, supports over 12,000 schools, and is relied on by 91 of the top 100 UK accountancy firms.

We’re a Great Place to Work® certified employer, recognised for our commitment to well-being, inclusion and development - and we’re growing fast.

Join One of the UK’s Leading Software Businesses

At IRIS Software Group, we’re passionate about helping organisations work smarter through innovative software and services. Trusted by over 100,000 customers globally, we’re one of the UK’s largest privately owned software companies, supporting businesses, schools, accountants, payroll professionals and HR teams across the world.

We’re looking for a qualified Senior Management Accountant to join our growing Finance team and play a key role in delivering accurate financial reporting, insightful analysis, and business-critical support to stakeholders across the organisation.

The Opportunity

This is an exciting opportunity to join a dynamic, fast-paced business that continues to grow through innovation and acquisition. You’ll be responsible for producing high quality financial reporting, supporting key business decisions, and helping drive improvements across our finance processes and systems. You’ll also have the opportunity to contribute to major finance transformation projects that will influence how the Group Finance function operates in the future.

Key Responsibilities

• Deliver accurate and timely month end financial reporting.

• Produce P&L and Balance Sheet reports with meaningful variance analysis.

• Prepare and review balance sheet reconciliations.

• Manage accruals, prepayments and deferred revenue accounting.

• Support consolidated group reporting and board reporting requirements.

• Partner with FP&A teams to provide commercial insight and performance analysis.

• Support external audit activities and ensure compliance with reporting requirements.

• Mentor junior team members and support their development.

• Manage VAT returns and intercompany accounting activities.

• Collaborate with stakeholders across multiple business functions and locations.

About You

We’re looking for someone who combines strong technical accounting expertise with excellent communication and stakeholder management skills.

You’ll ideally have:

• ACA, ACCA or CIMA qualification.

• Experience in a Management Accountant or Senior Management Accountant role.

• Strong understanding of financial accounting principles and revenue recognition.

• Experience preparing month-end reporting and reconciliations.

• Advanced Excel skills, including Pivot Tables and VLOOKUPs.

• Experience contributing to year-end audits.

• Excellent organisational skills and attention to detail.

• A proactive, solutions-focused mindset and the ability to thrive in a fast-moving environment.

Why IRIS?

• Opportunity to work within a large, growing international business.

• Exposure to finance transformation programmes and business critical projects.

• Collaborative and supportive team environment.

• Career development opportunities across a diverse software group.

If you’re looking for a role where you can make an impact, develop your career, and work alongside talented finance professionals, we’d love to hear from you.

Why You’ll Love Working Here

• Impact: Your work will influence millions globally.

• Growth: Continuous learning and career development opportunities.

• Belonging: A culture that celebrates diversity and empowers every individual.

What to expect from our hiring process

Our process is designed to be fair, transparent and straightforward. Stages vary depending on the role — more senior positions may involve additional steps, and some areas include role‑specific assessments such as a technical test or case study — but typically you can expect:

1. Application review — we assess your experience and potential

2. Initial call — a short conversation to learn about you and share more about the role

3. Skills assessment — tailored to the position, e.g. case study, coding challenge or portfolio review

4. Final interview — meet the team and explore how you’ll make an IMPACT at IRIS

We’ll always walk you through the specific stages at the start of the process so you can prepare with confidence.

If you need any adjustments or accommodations during the process, let us know, we’re committed to making this experience accessible for everyone.