Bulk: the debt collection startup via WhatsApp that invoices US$1 million with a team of six people

▤ Summary

Bulk builds a WhatsApp-based collections platform that automates mass debt recovery with AI. The startup started with three people, no outside funding, and a long sales cycle before it found traction in financial services. Regulatory changes that limited collection calls accelerated demand and helped the company grow to more than 40 customers and US$1.1 million in ARR. The founders now want to deepen their position in Chile, add products, and expand abroad, with Mexico emerging as the next market. The article highlights strong retention, high customer satisfaction, and a low-cost alternative to traditional call centers.

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