WorkflowAutomation
Frontline leads, IT managers, and executives looking to automate repetitive operations
Automating workflows with GAS, Chrome extensions, and RPA — pushing past the limits of your existing tools
Repetitive spreadsheet tasks, Gmail notification routing, data transfers across SaaS tools — these are the workflows "not big enough to build a full system for." GAS, Chrome extensions, and RPA can eliminate them in days to weeks. At Yakumo we have already automated much of our own accounting, sales, and recruiting operations this way, and we bring those implementation patterns directly to your work. Whether to use AI is a requirements question — we draw the line between where LLMs help and where deterministic scripts are the right call, then design for maximum impact at minimum cost.
Is This For You?
- Automate Spreadsheet and Gmail workflows with GAS
- Speed up SaaS operations or data extraction with a Chrome extension
- Use RPA to automate cross-SaaS manual work or screen operations
- An integration that connects SaaS tools
- Automation beyond what Zapier reaches
If this sounds like your situation, please reach out for a free consultation. Contact us
What We Solve
What we solve
Repetitive tasks spanning Spreadsheets, Gmail, and Calendar; Slack notifications and cross-SaaS integrations; operational shortcuts for specific SaaS tools; repeated screen operations without a public API — these gaps accumulate real cost when left as manual work, but building a full system is more than the problem warrants.
This service covers automation inside Google Workspace using GAS, operational bots using SaaS APIs and Webhooks, Chrome extensions that assist with specific SaaS interactions, and RPA for screen automation in areas without API access. We inventory the target work, choose the right method, and deliver design, implementation, and ongoing operations. The automation runs without LLMs — deterministic execution that integrates reliably into daily work.
Lightweight but embedded in operations — that is the standard we hold ourselves to.
After State
Day-to-day manual tasks are replaced by scripts, and humans focus exclusively on judgment and exception handling.
Phases & Deliverables
Discovery
Inventory target operations, connected SaaS tools, and repetitive tasks to be eliminated, then decide on the right method (GAS / bot / extension / RPA).
Design
Design scope, interfaces, triggers, bot flows, target SaaS APIs, and RPA scenarios.
Implementation
Develop and test GAS scripts, bots, Chrome extensions, and RPA scenarios.
Delivery
Deploy to production, publish to Chrome Web Store or distribute internally, set up the RPA runtime environment, and conduct internal training.
Operations support
Revisions and extensions as needed.
Timeline & Pricing
A PoC engagement starts at From JPY 300K, with an MVP (production-ready quality) starting at JPY 500K–3M. Actual cost varies significantly by number of agents and scope of existing system integrations. Contract types: Lump sum or Time-and-materials.
Indicative estimates only. Actual cost varies with scope (GAS only / bot + GAS / with extension / with RPA) and number of integrations. Contact us for an accurate quote.
For detailed pricing, contract structure, payment timing, and NDA, please refer to the FAQ (Pricing & Contract).
FAQSOKUTSUKU by YAKUMO
SOKUTSUKU delivers standard workflow automation.
For workflow DX with a defined tool set and task scope, work with SOKUTSUKU by YAKUMO. Use Yakumo for complex cross-system integration or advanced AI.
Explore SOKUTSUKU workflow automation