Google Sheets Accounting Standard Creation

I need a Google Sheets expert to help me develop an accounting standard for my office. This will involve creating a system that spans multiple interconnected sheets.

Key Requirements:
- Expertise in Google Sheets and its advanced functionalities
- Proficient in creating and applying lookup and reference functions, particularly VLOOKUP and HLOOKUP
- Experience in data entry and organization
- Ability to automate tasks with scripts

Ideal Skills:
- Advanced knowledge of Google Sheets
- Strong analytical skills
- Excellent attention to detail
- Experience in accounting or finance-related projects would be a plus.