Zethius is a boutique engineering and growth studio for SMBs, operators, and founders who need custom CRM, ERP, dashboards, websites, performance marketing, SEO, and lead generation built around how the business really moves. Small team, senior hands, no template theatre.
Webuildthelayeryourbusinessrunson.
Every growing company hits the same wall: the work no longer fits the tools. Leads leak, stock counts drift, dashboards lie, and the website still talks like a brochure. We step in there. We design and build custom CRM, ERP, dashboards, and websites — plus performance marketing, SEO, and lead generation — that make the business sharper every week.
Clean interfaces. Serious systems. Built to be owned.
CRM that matches the sale
Lead routing, pipeline stages, follow-up logic, forecasts, and dashboards built around your sales motion. Reps get fewer fields. Leaders get cleaner numbers.
ERP for real operations
Inventory, purchase, sales, production, HR, finance, approvals, and reporting brought into one modular system. We ship in phases so the business keeps moving.
Dashboards and websites with teeth
Operational command centers, executive dashboards, service pages, case studies, forms, CMS, and conversion paths. The front end looks sharp because the thinking underneath is sharp.
Asmallteamforserioussystems.

Sumit Patel
→Founder / Frontend
Next.js, React, and interaction engineering for fast dashboards, service pages, and premium product interfaces.

Kaushal
→Delivery / Operations
Scope, client rhythm, QA, timelines, and the steady delivery pressure that gets modules over the line.
01 — Map the mess
We study workflows, tools, edge cases, and the reports people quietly rebuild by hand.
02 — Design the system
Data models, user roles, screens, automation rules, and launch priorities before build.
03 — Ship in slices
Weekly demos, real staging links, working modules, and decisions made in the product.
04 — Handoff and scale
Docs, training, source code, launch support, and optional retainers for the next wave.
Sales teams with leaking lead flow
Operators replacing spreadsheet chains
Founders who need live business visibility
Service brands ready for sharper websites