Joanna Siemieniec
Bolton
Summary
Results-driven professional with a passion for sales, purchasing, and negotiations. Thrives on building strong relationships, spotting business opportunities, and securing the best deals. Solid experience in procurement, sales, and account management enables effective management of supplier relations, inventory, and financial operations to drive business growth. Background as an Accounts Assistant provides strong financial expertise, including invoice processing, bank reconciliation, and cost control—making the candidate a well-rounded asset to any organization. Highly adaptable, a fast learner, and capable of confidently navigating purchasing and sales in any industry.
Overview
20
20
years of professional experience
1
1
Certification
Work History
Accounts Payable Assistant
Eurosonic Group Ltd
03.2023 - Current
- Reconciled supplier statements to maintain account accuracy
- Conducted daily bank reconciliations and vendor accounts verification
- Set up new supplier accounts, ensuring correct payment terms and details
- Monitored accounts payable and receivable to prevent discrepancies
- Ensured accurate classification and coding for accounting transactions
- Handled confidential financial information in compliance with data protection regulations
- Processed petty cash transactions, staff expense claims, and supplier payments
- Generated and distributed account statements and remittance advice
Sales & Supplier Coordinator
AJ Systems Europe Ltd
10.2021 - 02.2023
- Negotiated pricing and contracts with Chinese suppliers, reducing procurement costs by 10%
- Managed supplier invoices, payments, and logistics coordination to optimize supply chain operations
- Expanded sales into new markets, increasing revenue by 25% within a year
- Maintained strong client relationships, leading to improved retention and repeat business
- Analysed sales data and supplier performance, increasing profitability by 12%
- Oversaw customs clearance, shipment tracking, and inventory management
Accounts Payable & Admin Assistant
AGB-TECH LTD
05.2019 - 09.2021
- Managed petty cash, invoices, and expense processing with accuracy
- Conducted accounts reconciliation, monthly closings, and client payments
- Handled supplier inquiries and administrative tasks to support office efficiency
- Processed staff expense claims and assisted with contractor payments
- Performed daily bank reconciliations and maintained financial compliance
- Ensured accurate data entry and document management
Co-Owner / Retail Operations Manager
03.2018 - 04.2019
- Sourced and purchased products from various suppliers
- Negotiated prices, contracts, and delivery terms to optimize costs
- Managed relationships with wholesalers and distributors
- Oversaw daily sales operations, pricing strategies, and promotions
- Hired, trained, and supervised employees, including payroll processing
- Managed budgeting, cash flow, and financial reporting
- Ensured the business met all regulatory and legal requirements
Director / Owner of Premium Clothing & Footwear Brand
01.2016 - 02.2018
- Managed the purchasing, sales, and marketing of premium brands
- Successfully collaborated with Tommy Hilfiger and associated brands
- Led retail and wholesale operations, ensuring optimal stock levels
- Represented brands at international trade fairs, including Milan, Italy
- Developed and executed marketing strategies, including social media
- Traveled across Europe to establish business connections
- Picked up clients from airports, ensuring high-level customer service
Stock Controller / Inventory Controller
Aldi Ltd.
06.2013 - 02.2018
- Conducted regular stock checks and monitored inventory accuracy
- Inspected received goods for quality and compliance
- Updated inventory records in both manual and digital systems
- Followed stock adjustment procedures to correct discrepancies
- Managed purchase orders and ensured timely stock replenishment
Office & Production Assistant
Warburton's Ltd.
07.2005 - 05.2013
- Provided administrative support, including handling emails and reports
- Assisted with staff training and onboarding
- Monitored production processes and conducted quality control checks
- Managed company documents, scanning, and records
- Worked extensively with Excel, Word, and Microsoft Office
Education
BSc (Hons) - Accounting & Financial in Management
Canterbury Christ Church University
02.2025
Technical Diploma - Hospitality & Restaurant Management
Study Diploma of Hospitality, Travel & Hotel
04.2005
High School Diploma -
Technical School of Engineering
04.2003
Skills
- Sales & Customer Relations
- Purchasing & Procurement
- Vendor & Supplier Negotiation
- Market & Product Analysis
- Inventory & Stock Management
- Cost Control & Budgeting
- Microsoft Excel & ERP Systems
- Accounts Payable & Receivable Management
- General Ledger & Bank Reconciliation
- Invoice Processing & Payment Management
- Relationship Management
- Excellent Negotiation & Communication Skills
- Highly Organized & Detail-Oriented
- Ability to Build & Develop Supplier Relationships
Certification
- NVQ Level 2 in Business - Improvement Techniques
- Project Management Course
- Human Resources Management Course
- Business Management Course
- Health & Safety Training
- Microsoft Office & Excel Training
- Driving License (Full UK)
Hobbies and Interests
- Gym & Fitness
- Travel & Exploring New Cultures
Timeline
Accounts Payable Assistant
Eurosonic Group Ltd
03.2023 - Current
Sales & Supplier Coordinator
AJ Systems Europe Ltd
10.2021 - 02.2023
Accounts Payable & Admin Assistant
AGB-TECH LTD
05.2019 - 09.2021
Co-Owner / Retail Operations Manager
03.2018 - 04.2019
Director / Owner of Premium Clothing & Footwear Brand
01.2016 - 02.2018
Stock Controller / Inventory Controller
Aldi Ltd.
06.2013 - 02.2018
Office & Production Assistant
Warburton's Ltd.
07.2005 - 05.2013
Technical Diploma - Hospitality & Restaurant Management
Study Diploma of Hospitality, Travel & Hotel
High School Diploma -
Technical School of Engineering
BSc (Hons) - Accounting & Financial in Management
Canterbury Christ Church University
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