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Job Description

Job Description:

To support the tax professionals in ensuring all UK & Irish entities maintain highquality tax compliance and reporting. The role is responsible for the data, analysis, and controls that enable accurate, timely, and compliant tax reporting and tax return preparation for the UK & Ireland group.

The jobholder partners closely with tax specialists, the Mars Accounting Service Centre, PwC, and business unit finance teams to ensure that accurate, complete, and wellcontrolled data flows into corporation tax returns, tax provisioning, forecasting, and group reporting.

What will be your key responsibilities?

  • Own and manage all financial data required from PwC, the Mars Accounting Service Centre, and business units to ensure complete, accurate, and timely data for tax submissions.

  • Coordinate and validate financial data across legal entities, ensuring it is fully aligned to tax reporting requirements.

  • Extract, prepare and analyse data used to prepare Corporation Tax Returns, tax payments and other tax processes.

  • Support the corporation tax reporting process, including tax returns, deferred tax calculations, and group reporting.

  • Deliver accurate and well supported data for audit queries and tax authority requests.

  • Support the UK Tax Senior Manager in integrating newly acquired or newly established businesses into the UK&I tax centre processes.

What do we need from you?

  • Finance qualification and data analyst experience or equivalent experience of analysing / sorting underlying data to prepare accounts and/or tax returns.

  • Experience of extracting and analysing data from accounting information systems such as SAP, ORACLE & Hyperion.

  • Strong Excel skills including: Pivot Tables, Complex formula, Query & other data analysis techniques.

  • Working knowledge of Corporation Tax concepts such as taxable profit, permanent and temporary difference would be desirable, but not essential.

  • Experience of at least one Analytical/data tool Alteryx.

What can you expect from Mars?

Work with diverse and talented Associates, all guided by the Five Principles. Join a purpose driven company, where we’re striving to build the world we want tomorrow, today. A strong focus on learning and development support from day one, including access to our in-house Mars University. An industry competitive salary and benefits package, including company bonus.

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Sabbaticals
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave
Bank holiday swaps
Shared parental leave
Adoption leave
Family health insurance
Pregnancy support
Neo-natal leave
Faith rooms
Meditation space
Dog friendly office
Dog friendly co-working space
Annual bonus
Employee discounts
Cinema discounts
Referral bonus
Joining bonus
Cycle to work scheme
Electric Car Salary Sacrifice
Enhanced pension match/contribution
Theme park discounts
Lunch and learns
In house training
Learning license
Studying sabbaticals
Open to part time work for some roles

Working at Mars UK

Company employees:

4,000 In the UK

Gender diversity (m:f):

57:43

Hiring in countries

Argentina

Australia

Austria

Belgium

Brazil

Canada

Chile

China

Czechia

Denmark

Egypt

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Germany

India

Ireland

Italy

Japan

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Lithuania

Malaysia

Mexico

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New Zealand

Panama

Poland

Romania

Russia

Saudi Arabia

South Korea

Spain

Switzerland

Thailand

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United States

Office Locations

Awards & Accreditations

1st – Family Friendly

1st – Family Friendly

Flexa awards 2025
2nd – Pet Friendly

2nd – Pet Friendly

Flexa awards 2025
Flexible

Flexible

Flexa awards 2025
Diversity and Inclusion

Diversity and Inclusion

Flexa awards 2025
Work-Life Balance

Work-Life Balance

Flexa awards 2025
Career Progression

Career Progression

Flexa awards 2025
Culture

Culture

Flexa awards 2025
Benefits

Benefits

Flexa awards 2025
1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022

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