Head of Transactional Accounting
Location: Heathrow Approach
Salary: Competitive plus bonus and benefits
IRIS Software Group is one of the UKs largest privately held software companies and a global provider of mission-critical software and services. Trusted by over 100,000 organisations across 135 countries, we help customers simplify complexity, stay compliant and work with confidence.
Backed by Hg, IRIS continues to grow through innovation, investment and acquisition and transactional finance plays a vital role in that journey.
The opportunity
Were looking for a Head of Transactional Accounting to lead our end-to-end transactional finance operations, spanning Accounts Payable, Accounts Receivable, Credit Control and Billing Operations.
This is a high-impact leadership role, responsible for driving operational excellence, customer experience, cash performance and transformation across a large, multi-site team. Youll also play a key role in integrating newly acquired businesses and embedding automation and AI into core finance processes.
What youll be responsible for
Leading large transactional finance teams across multiple locations
Improving customer ordering, invoicing and payment journeys
Driving effective credit control and cash collection performance
Owning transactional finance integration for acquisitions
Partnering on finance systems transformation initiatives
Implementing process standardisation, automation and AI
Overseeing AP operations, controls and KPIs
Ensuring strong KYC and governance frameworks
What youll bring
Significant experience leading transactional finance functions
Strong people leadership skills across large teams
Proven track record of process improvement and transformation
Experience with systems change and business integration
Ability to operate at pace in a complex, growing organisation
Degree qualified; accounting qualification (ACA / ACCA / CIMA) preferred
Why join?
Lead a critical finance function in a growing, acquisitive software group
Opportunity to drive meaningful transformation using automation and AI
Award-winning employer with a strong wellbeing and inclusion culture
Clear opportunity to shape teams, processes and customer experience
Apply now to play a key role in transforming transactional finance at IRIS.
Please note:
We occasionally close vacancies early in the event that we receive a high volume of applications. Therefore we recommend you apply as soon as possible.
Closing date: 16 th January 2026
Shortlist date: 17 th January 2026
Interview date: TBC
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