Summary
Overview
Work history
Education
Skills
Websites
Languages
Websites, Portfolios, Profiles
Timeline
Generic

Marinela Stefanidis

Bracknell

Summary

Results-driven and detail-oriented Accounts Payable & Treasury Manager with over 18 years of experience optimizing financial operations across multinational organizations. Proven expertise in managing complex transactions, leading process automation, and ensuring compliance. Adept at enhancing productivity through strategic problem-solving and workflow improvements. Recognized for accuracy, efficiency, and leadership in fast-paced finance environments.

Overview

19
19
years of professional experience
12
12
years of post-secondary education

Work history

Promoted Accounts Payable & Treasury Manager

ITRS GROUP LIMITED
London
12.2021 - 08.2025

ITRS is a multinational company dedicated to helping organizations manage operational risk effectively using a combination of monitoring and other production tools that can support them through the challenges of digital disruption. ITRS has a global presence, including branches in Sweden, Finland, France, the US, Germany, the Netherlands, Australia, Hong Kong, Singapore, and our headquarters in London.


  • Supervise end-to-end AP and treasury functions for twelve entities.
  • Process 200+ invoices/month and lead multi-currency payment runs (BACS, Faster Payments).
  • Perform UK & Swedish VAT, and Singapore GST filings.
  • Payroll postings and reconciliation for entire Group of companies.
  • Fixed assets management.
  • Expense systems administration
  • Manage prepayments, accruals, and deferred/accrued income.
  • Credit card/virtual credit card management.
  • Recharge invoices and Inter-company reconciliations.
  • Handle bank reconciliations and weekly cash flow forecasting for all entities.
  • Supervise a team of two AP assistants and ensure smooth invoice approvals and system upgrades.
  • Checking, uploading and reconciliation of ten company's Trial Balances prior migration to our financial system.
  • Migration, automation and testing of accounting system for all updates/upgrades.




Key Achievements:

  • Successful migration of four companies' financial systems.
  • Implemented a new fixed assets module and automated depreciation processes.
  • Trained and mentored staff on best practices for accounts payable and treasury management.
  • Implemented automated systems to streamline invoice processing and payment workflows.
  • Managed accounts payable processes to ensure timely and accurate payments to suppliers.

Promoted Financial Accountant

ITRS GROUP LIMITED
03.2020 - 11.2021
  • Supervising AP functions for ten companies
  • Purchase invoice processing for four companies
  • Testing and implementing an AP approval system
  • Payment Runs for entire Group
  • Accruals and prepayments for four companies
  • Fixed Assets Management
  • Vendor management
  • Expense management Systems
  • Recharge invoices and Inter-company reconciliations
  • Preparation of Swedish VAT
  • Reviewed and reconciled bank statements regularly, resolving any discrepancies swiftly.

Accounts Payable Assistant

ITRS GROUP LIMITED
London
09.2018 - 02.2020
  • Managed invoices to ensure timely payment processing
  • Payment Runs
  • Reconciled bank statements regularly, ensuring accurate financial records.
  • Manual Fixed Assets depreciation
  • Expense system management
  • Intercompany reconciliation
  • Managed comprehensive reconciliation of supplier accounts to ensure accurate records.
  • Trained junior staff on best practices for invoice processing and account management.
  • Set up new supplier accounts with accurate payment terms and details.

Accounts Assistant

Excellent Care Limited
Caterham, United Kingdom
01.2018 - 09.2018
  • Preparing and monitoring the payments before the due date
  • Processed invoices and managed payments to vendors in a timely manner.
  • Preparing P&L reports
  • Credit Control
  • Approving timesheets in the system
  • Assisted in payroll processing and maintained employee records for accuracy.
  • Petty Cash

Executive Accountant

GFK ROMANIA
02.2013 - 12.2017

GfK Group is the largest market research institute, and the fourth largest market research organization in the world. GfK has branches based in all over the world in countries as UK, United States, Germany, Austria, Italy, Romania, Bulgaria, Hungary, Russia etc.


  • Accounts Payable (Invoice Processing & Payment Runs)
  • Bank & Petty Cash Reconciliations
  • VAT, Intrastat & Corporation Tax Compliance
  • Fixed Assets Management & Depreciation
  • P&L & Financial Statement Preparation
  • Financial Reporting for Managers & Auditors
  • Credit Control & Inter-Company Reconciliation
  • SAP ERP & Accounting Software Implementations
  • Multi-Currency Transactions & Reconciliations
  • Managed company tax filings to ensure compliance.
  • Trained new employees on accounting principles and company procedures.
  • Coordinated with external auditors for annual audit completion.

Accountant - Secondary Job

Sara Com Prod Romania
Bucharest
05.2007 - 12.2017
  • Full accounting for entire group of four companies:
  • Processing of invoices received and issued
  • Petty cash register and bank reconciliation
  • Preparation and submission of Financial Statements, Corporation tax and VAT

Executive Accountant

AXPO GROUP
, Romania
06.2008 - 10.2012

Axpo Group reliably produces, trades and sells energy for over 3 million people and thousands of companies in Switzerland and over 30 European countries. Axpo has branches based in all over the world in countries as the UK, United States, Germany, Austria, Italy, Romania, Bulgaria, Hungary, Serbia etc.



  • Accounts Payable (Invoice Processing & Payment Runs)
  • Fixed Assets Management & Depreciation
  • Bank Reconciliation & Cash Flow Management
  • VAT Returns (Including VIES) & Corporation Tax
  • Intrastat Reporting & Compliance
  • Quarterly Inter-Company Reconciliation
  • Creditor Control & Dispute Resolution
  • Financial Statements Preparation Assistance

Accountant

Mircea Elena - Accounting Practice
Bucharest
08.2007 - 05.2008
  • Full accounting and reporting to Fiscal Authority for 25 companies

Accounts Assistant

Rompel Impex
Bucharest
06.2006 - 07.2007
  • Preparing and monitoring the payments before the due date
  • Credit Control
  • Approving timesheets in the system
  • Posting invoices
  • Petty Cash

Education

Master's Degree - Business Law

Dimitrie Cantemir University
Bucharest
01.2005 - 01.2007

Bachelor's Degree - Economics

Academy of Economic Studies
Bucharest
01.1999 - 01.2003

Accounting - undefined

ACCA
01.2020 - 12.2025

Skills

  • Coaching and development
  • Effective multitasking
  • Effective team collaboration
  • Ability to adjust to new challenges
  • Accounts reconciliation
  • Process optimization
  • Vendor management
  • Cash Flow Forecasting & Treasury Management
  • Inter-company reconciliations
  • Financial system migration
  • Accounting software testing
  • Accounting Software: Financial Force, SAP, Xero, QuickBooks, Navision

Languages

English
Romanian

Websites, Portfolios, Profiles

https://www.linkedin.com/in/marinela-stefanidis-8bb064167/

Timeline

Promoted Accounts Payable & Treasury Manager

ITRS GROUP LIMITED
12.2021 - 08.2025

Promoted Financial Accountant

ITRS GROUP LIMITED
03.2020 - 11.2021

Accounting - undefined

ACCA
01.2020 - 12.2025

Accounts Payable Assistant

ITRS GROUP LIMITED
09.2018 - 02.2020

Accounts Assistant

Excellent Care Limited
01.2018 - 09.2018

Executive Accountant

GFK ROMANIA
02.2013 - 12.2017

Executive Accountant

AXPO GROUP
06.2008 - 10.2012

Accountant

Mircea Elena - Accounting Practice
08.2007 - 05.2008

Accountant - Secondary Job

Sara Com Prod Romania
05.2007 - 12.2017

Accounts Assistant

Rompel Impex
06.2006 - 07.2007

Master's Degree - Business Law

Dimitrie Cantemir University
01.2005 - 01.2007

Bachelor's Degree - Economics

Academy of Economic Studies
01.1999 - 01.2003
Marinela Stefanidis