Multi-marketplace dashboards, custom CRMs, inventory systems and full SaaS platforms — engineered on Google Sheets & Apps Script with deep integrations across Amazon, Shopify, TikTok Shop, Etsy, Walmart & eBay.
Live Sales
Full SaaS-style platforms with multi-role authentication, session management, and modular file architecture. Real production tools that run client businesses end-to-end.
Unified inventory, orders & reporting across Shopify, Amazon, eBay, Etsy, TikTok Shop, Whatnot & Fanatics — flowing into one Google Sheets backend.
Connect any third-party API to your Google Sheets workflow. From Square POS to Housecall Pro to AI services — wired up reliably.
Complex formulas, dynamic dashboards, dependent dropdowns, custom menus, scheduled triggers, and PDF/email generation pipelines.
Anonymized highlights from 250+ delivered projects across e-commerce, trading cards, contracting, print & field services.
Neighborhood Card Shop — Multi-platform live selling system
A comprehensive GAS web app integrating TikTok Live (Sports + TCG), Whatnot, Fanatics & Shopify. Multi-role access, session tracking, order routing, shipping queues, and unified reporting across all live-selling channels.
Multi-user SaaS · NA + EU regions
Unified Ads API v2 reporting (/adsApi/v1/), separate refresh tokens per region, dark/light theming, animated 5-step preloader.
7-module electrical-services platform
Housecall Pro + AirCall + Calendar + OneStep GPS unified into Sheets. SMS triggers, video-call workflows, dispute routing.
PO + Amazon FBA + ASIN tracking
Full PO management with Amazon FBA shipment integration, ASIN performance tracking and a streamed Julius AI chat with markdown-table rendering.
Junction Print · Production tracking
Dual-quantity bundles, VAT pipeline, Square API, PDF estimates with logo, email-as-attachment delivery via Gmail.
Wizard form · Lead capture · PDF quotes
Dynamic conditional logic, per-floor question repeats, Interior/Exterior routing, Assumptions-driven calculation engine.
30-min scoping call. We map your sheets, APIs, user roles & output formats. You receive a written scope & fixed quote.
We design the Sheets schema, named ranges, modular GAS files (Index.html, CSS.html, service .gs) and confirm before coding.
Module-by-module delivery so you can test early. Daily updates. Async-friendly across timezones — <1hr response time.
Setup guide, video walkthrough, named-range docs, and 14 days of post-launch support included on every project.
Mukesh is a rockstar. Delivered a complete multi-store inventory system and stayed available through every revision.
Unbelievably good. He understood the Amazon SP-API requirements better than our previous developer and shipped in half the time.
Insanely quick turnaround. We've come back for four more projects. He's our go-to for anything Sheets & Apps Script.
All projects also available through our Fiverr Pro or Top Rated Fiverr profiles with full buyer protection.
Apps Script gives small & mid-sized businesses an enterprise-grade backend without server costs. It scales to thousands of users on Google's infrastructure, integrates natively with Sheets/Drive/Gmail/Calendar, and your team can read & edit data directly. We've built systems handling six-figure monthly revenue on this stack — it's not a toy.
Yes. We work with direct clients on retainer, fixed-price, and milestone basis. Fiverr is preferred for first-time engagements because of escrow protection — once trust is built, most clients move to direct.
Perfect — that's our most common starting point. Share the sheet, describe the workflow, and we'll quote against the existing structure. We almost never rebuild from scratch unless the schema is unworkable.
Almost always yes. If the API has REST or GraphQL endpoints and reasonable docs, we can integrate it. We've worked with 50+ APIs across e-commerce, payments, CRM, telephony, AI, scheduling, fulfillment and more.
Every project includes 14–60 days of free post-launch support. After that we offer monthly retainers ($500–$2,500/mo depending on scope) for ongoing maintenance, feature additions, and priority response.
Yes. On project completion, you own the GAS project, the Sheets, all source files, and full IP. We retain the right to use anonymized patterns & learnings in future client work.
We'll turn it into a real product. Tell us about your workflow — we respond within an hour during business days, with a written scope and fixed quote within 48 hours.