Callan O

@callanoconnor

SPREADSHEET EXPERT

United Kingdom

English, French, German

About me

I’m a detail-oriented Spreadsheet & Data Management Expert specializing in Excel, Google Sheets, automated timesheets, budget trackers, payroll systems, financial dashboards, and custom business templates. I design clean, accurate, and fully automated solutions that save time and improve decision-making. Whether you need formulas, reports, data cleaning, or complete workflow systems, I deliver reliable, scalable, and professional spreadsheet solutions tailored to your business needs.... Read more

Skills