Layer: A web app and Google Sheets Add-on for CFO-approved business-case changes
Berlin-based fintech startup Layer set out to modernize spreadsheets. It raised $6.8M in funding. CML Team developed a cloud-based financial tool in which CFOs manage permissions and approve changes, while sub-managers submit updates via a Google Sheets Add-on. The working end-to-end solution was delivered in a 10-week build.
- Client
- Layer Software GmbH, Germany
- Industries
- FinTech
- What we did
- Full cycle development from requirements specification and architecture to deployment, 3rd line support and maintenance. The build of the working end-to-end solution took 10 weeks.
- Team
- 1 person
- Funding raised
- $6.8M

Who is the client behind Layer?
Layer (Layer Software GmbH) is a Berlin-based fintech startup backed by leading investors and finance veterans, with a global mission to supercharge spreadsheets with state-of-the-art technology and design. It raised $6.8M in funding.
golayer.ioWhat problem did Layer have?
Spreadsheet processes for large teams are cumbersome: they often involve manual work, a lack of transparency and the potential for costly errors. The client needed a solution that could automate these processes while maintaining the flexibility of familiar tools like Excel and Google Sheets.
What did CML Team build for Layer?
- Spreadsheet workflow automation for finance processes, so users manage and monitor their data more efficiently
- Web app for CFOs to set granular, per-manager permission levels across different parts of the business-case data
- Google Sheets Add-on for sub-managers (HR, accounting and other verticals) to submit proposed changes to the business case
- CFO review workflow to accept or reject submitted changes
- Sharing, reviewing and approving of changes within Google Sheets
- Revision history with rollback to any past version of the business case
- Backend data sync layer connecting the web app with Google Sheets and Google Drive, syncing data across different sources
- Automation of repetitive tasks
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- Full control over data access, with more transparency and accountability among stakeholders
What was the result for Layer?
The solution has transformed how teams manage spreadsheets, reducing manual work and eliminating errors. Automating data-sharing processes has saved time while providing a higher level of control and visibility. By integrating smoothly with existing Google Sheets workflows, the platform has enabled businesses to optimize their spreadsheet management without disrupting their current operations.
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