Case studies
Practical work, written without the agency fog.
A growing library of product and website builds from Merrik. Each case study explains the problem, the decisions, and what shipped.
SaaS productFinance operationsIndia
Invvo
Turning GST invoicing into a 30-second workflow
Invvo helps Indian freelancers, consultants, agencies, and small businesses create GST-ready invoices without Excel templates, manual tax math, or format corrections.
Core workflow
GST-ready invoices with CGST, SGST, IGST, and PDF export.
Product promise
Create the invoice, download the PDF, get back to paid work.