Hire the Best Spreadsheets Experts
in South Africa

Need fast, reliable execution for complex spreadsheets, data automation, audio, or photo projects? I am a Senior ICT Professional with over two decades of technical experience, specializing in delivering clean, precise results on tight deadlines. Whether you need to streamline messy data with custom macros, polish visual media, or record professional voiceovers, I focus on accuracy, efficiency, and clear communication. My Core Services & Technical Stack: Excel Automation & VBA: Custom macro development, spreadsheet automation, complex formulas, data cleaning, and automated reporting systems. Data & Administrative Support: High-accuracy data entry, document formatting, and systematic data organization. Media & Creative Editing: High-end photo editing, retouching, asset preparation, and audio cleanup. Professional Voice Recording: Clear, engaging voiceovers and audio narration backed by native English proficiency and professional audio delivery. Backed by a strong engineering and IT background, I approach every project with meticulous attention to detail. If you want the job done right the first time without unnecessary back-and-forth, let’s connect and get to work.

I help teams turn messy, inconsistent data into clean, reliable information they can actually use for decision-making. My focus is on data accuracy, structure, and integrity - especially in Excel, Google Sheets, and CRM systems. I work with datasets that contain duplicates, missing values, formatting issues, or errors from imports and fix them so they are consistent, searchable, and analysis-ready. Clients work with me when they need: * Clean and verified spreadsheets for reporting or analysis * CRM data cleanup before migration or audits * Removal of duplicates and inconsistent formatting * Structured datasets that are easy to filter, sort, and automate I’m currently studying Computer Science and Applied Mathematics, which strengthens my ability to work with logic-based data tasks, structured workflows, and attention-heavy processes. I value accuracy, fast communication, and delivering work that reduces your workload instead of creating more follow-up questions.

Overview: Are you seeking a reliable expert to transform your data into actionable insights? With over 10 years of experience in Excel and Power BI, I specialize in creating dynamic dashboards, automating workflows, and developing robust financial models. My services include: Designing interactive Excel dashboards with slicers and pivot tables Automating tasks using VBA macros and Power Query Cleaning and organizing large datasets for analysis Developing financial models for budgeting and forecasting Integrating Excel with Power BI for advanced data visualization I pride myself on delivering high-quality work with quick turnaround times. Let's collaborate to streamline your data processes and drive informed decision-making.

I am a detail-oriented freelancer specializing in data entry, Microsoft Excel, and document formatting. I help businesses keep their information clean, organized, and accurate so they can focus on more important tasks. My services include data entry, Excel spreadsheet work, PDF conversion, creating fillable PDF forms, and general administrative support. I work carefully, follow instructions well, and always aim to deliver error-free results on time. I am comfortable handling large amounts of data, maintaining accuracy, and working with tools like Excel, Word, and Google Docs. I also communicate clearly and respond quickly to messages. If you need someone reliable for data entry, Excel work, or document handling, I’m ready to help.

I turn complex data into clear decisions through dashboards, analysis, and end-to-end data infrastructure. Currently a BI dashboard development for a national higher education research initiative, where I build and QA institutional comparison dashboards from large-scale student survey data across multiple research universities. What I bring to your project: ✅ Tableau & BI Dashboards — interactive, QA'd, and built to communicate (Tableau, Power BI, Looker, Streamlit) ✅ Data Pipelines & ETL — from raw data to reliable, structured outputs (dbt, Airbyte, Airtable, Zapier) ✅ SQL & Database Management — clean querying, manipulation, and schema design ✅ Survey & Institutional Data — experience structuring and visualizing complex survey datasets for multi-stakeholder use ✅ Business Translation — I speak both data and strategy, and I make sure the two stay aligned I don't just build dashboards — I make sure the right people have the right information at the right time.

If you’re looking for five star service and results, I’m the professional who delivers. I have 15+ years of senior financial management expertise, and I save businesses time and drive smarter decisions with error free databases, streamlined administration, and solid financial management. If you need one versatile professional, I am ready to deliver results immediately. RECENT REVIEW "Marina is a fantastic freelancer, 100% reliable in task, time and communication. One of the best I have worked with in 22 years." I can help you with – ADMINISTRATIVE & DATA SUPPORT •Entering - Customer details, sales records, inventory information, invoices, and other business data accurately. •Update - Keeping company databases, spreadsheets, CRM systems, and records current and correct. •Cleaning - Removing duplicate, incomplete, outdated, or incorrect information to improve data quality. •Conversions – PDFs to Word or Excel •Record Keeping - Maintaining accurate records for customers, employees, suppliers, finances, and business operations. ACCOUNTING / BOOKKEEPING SUPPORT • Bookkeeping & Company Accounts • Accounts Payable & Receivable • Monthly bank, credit card, and general ledger reconciliations. • Prepare financial reports, profit / loss statements, balance sheets, and cash flow reports. • Review accounting transactions and identify discrepancies. • Maintain accurate financial records and ensure all supporting documentation is complete. • Assist with month-end and year-end closing processes. • Support bookkeeping, journal entries, and other day-to-day accounting tasks. • Work closely within a team to improve reporting accuracy and efficiency. I am meticulous, deadline-driven, and fully committed to confidentiality. I shall bring consistency, professionalism, and accuracy to your project. Let me take this off your hands. Message me to discuss your project. Marina v. CERTIFICATES & DEGREES Bookkeeping & Accounting (DAMELIN MANAGEMENT SCHOOL) Virtual Assistant (UDEMY BUSINESS SCHOOL) Financial & Business Management (UNIVERSITY OF SOUTH AFRICA) HOBBIES Feature Journalism (UNIVERSITY OF CAPE TOWN) Freelance Journalism (INTEC COLLEGE)