Senior Finance Accountant
| Posting date: | 09 February 2026 |
|---|---|
| Hours: | Full time |
| Closing date: | 11 March 2026 |
| Location: | E14 9SH |
| Remote working: | On-site only |
| Company: | ISS Facilities Services |
| Job type: | Permanent |
| Job reference: | 152271 |
Summary
Senior Finance Accountant
Contract: Financial Planning & Analysis
Location: London (E14 9SH) OR Weybridge (KT13 0SL)
Hours of work: 40
Contract Type: Permanent
We are seeking a highly skilled Senior Financial Accountant to ensure the accuracy, integrity, and compliance of financial reporting across a portfolio of complex healthcare contracts.
This role acts as a key partner to the Business Unit Controller and operational teams, delivering robust month-end, balance sheet control, P&L analysis, forecasting, and audit management.
Job Description
We are looking for an individual who combines strong technical accounting expertise with commercial awareness and effective stakeholder engagement.
The Senior Financial Accountant will play a critical role in driving process improvements, mitigating financial risk, and supporting informed decision-making across the Healthcare division.
Key Responsibilities
Work within a robust internal financial controls framework, completing Controls Self-Assessments and ensuring procedures are adhered to.
Support updates to the controls framework to reflect changes in processes and procedures.
Review balance sheet reconciliations, ensuring compliance with UK&I reconciliation requirements and implementation of reviewer recommendations.
Lead on external audit, Group and UK&I internal audits, and Financial Controls & Assurance reviews.
Ensure an accurate and smooth Month-End Close cycle for all allocated accounts.
Perform and review Month-End Close activities including accruals, prepayments, and revenue-related transactions across customer contracts.
Review overdue Accounts Receivable and Trade Working Capital reports, taking corrective actions where required.
Investigate and explain deviations from forecasted results.
Professional and Personal Competencies/Qualifications
Fully qualified ACA / ACCA / CIMA with post-qualification experience.
Strong financial reporting skills, including month-end close, P&L and balance sheet review, accruals, prepayments, and provisions.
Experience in contract accounting, including revenue recognition and account-specific financials.
Background in corporate consolidation and financial governance.
Audit management experience across internal, external, and financial controls audits.
Strong analytical skills with the ability to interpret complex financial data and generate actionable insights.
Proficiency in Excel; experience with systems such as Navision or OneStream is advantageous.
The Company
ISS is a world-leading workplace and facility management company, connecting people and places to make the world work better. Working with customers day by day, side by side, we understand every aspect of the user experience.
Through a unique combination of intelligent solutions, high standards and people who care, to help our customers achieve their purpose, whether it’s hospitals healing patients, businesses producing the next great innovation, or airports bringing passengers home to their families. ISS is committed to doing business the right way, taking its corporate responsibility very seriously. Our passion is people.
We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. #ISSGreatPeople #ISSTalent #PeopleMakePlace
ISS is proud to be a diverse and inclusive employer.
ISS welcomes all applicants regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste), religion or belief, sex, sexual orientation or educational background.
We are a Disability Confident Committed (Level 2) employer, proudly supporting and promoting inclusive hiring practices in line with the UK government’s Disability Confident scheme.
Our passion for inclusivity and diversity makes ISS a more creative, productive and happy place to work.
If you have any further queries regarding this role, please contact the Resourcing Team by emailing resourcing.team@uk.issworld.com
Contract: Financial Planning & Analysis
Location: London (E14 9SH) OR Weybridge (KT13 0SL)
Hours of work: 40
Contract Type: Permanent
We are seeking a highly skilled Senior Financial Accountant to ensure the accuracy, integrity, and compliance of financial reporting across a portfolio of complex healthcare contracts.
This role acts as a key partner to the Business Unit Controller and operational teams, delivering robust month-end, balance sheet control, P&L analysis, forecasting, and audit management.
Job Description
We are looking for an individual who combines strong technical accounting expertise with commercial awareness and effective stakeholder engagement.
The Senior Financial Accountant will play a critical role in driving process improvements, mitigating financial risk, and supporting informed decision-making across the Healthcare division.
Key Responsibilities
Work within a robust internal financial controls framework, completing Controls Self-Assessments and ensuring procedures are adhered to.
Support updates to the controls framework to reflect changes in processes and procedures.
Review balance sheet reconciliations, ensuring compliance with UK&I reconciliation requirements and implementation of reviewer recommendations.
Lead on external audit, Group and UK&I internal audits, and Financial Controls & Assurance reviews.
Ensure an accurate and smooth Month-End Close cycle for all allocated accounts.
Perform and review Month-End Close activities including accruals, prepayments, and revenue-related transactions across customer contracts.
Review overdue Accounts Receivable and Trade Working Capital reports, taking corrective actions where required.
Investigate and explain deviations from forecasted results.
Professional and Personal Competencies/Qualifications
Fully qualified ACA / ACCA / CIMA with post-qualification experience.
Strong financial reporting skills, including month-end close, P&L and balance sheet review, accruals, prepayments, and provisions.
Experience in contract accounting, including revenue recognition and account-specific financials.
Background in corporate consolidation and financial governance.
Audit management experience across internal, external, and financial controls audits.
Strong analytical skills with the ability to interpret complex financial data and generate actionable insights.
Proficiency in Excel; experience with systems such as Navision or OneStream is advantageous.
The Company
ISS is a world-leading workplace and facility management company, connecting people and places to make the world work better. Working with customers day by day, side by side, we understand every aspect of the user experience.
Through a unique combination of intelligent solutions, high standards and people who care, to help our customers achieve their purpose, whether it’s hospitals healing patients, businesses producing the next great innovation, or airports bringing passengers home to their families. ISS is committed to doing business the right way, taking its corporate responsibility very seriously. Our passion is people.
We offer you a challenging and exciting career in an organisation with people at its heart. In ISS, everyone has the opportunity to develop, grow and make a difference. #ISSGreatPeople #ISSTalent #PeopleMakePlace
ISS is proud to be a diverse and inclusive employer.
ISS welcomes all applicants regardless of age, disability, gender identity or gender reassignment, marital or civil partnership status, pregnancy or maternity, race (which includes race, colour, nationality, ethnic or national origin and caste), religion or belief, sex, sexual orientation or educational background.
We are a Disability Confident Committed (Level 2) employer, proudly supporting and promoting inclusive hiring practices in line with the UK government’s Disability Confident scheme.
Our passion for inclusivity and diversity makes ISS a more creative, productive and happy place to work.
If you have any further queries regarding this role, please contact the Resourcing Team by emailing resourcing.team@uk.issworld.com
Proud member of the Disability Confident employer scheme
Disability Confident
About Disability Confident
A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.