Lastro
Lastro is a Brazilian proptech whose AI agent, Lais, automates lead engagement, qualification, and customer service for real estate agencies and brokers, primarily over WhatsApp, while also running back-office agency tasks.
Best for: Real estate agencies and brokerages, especially in Brazil, that want to automate lead response and qualification and raise conversion without growing headcount
Last reviewed 6/2/26
- Integrations
- Property types
- Residential
- Geography served
- Brazil
How Lastro uses AI[1][4]
Lastro's proprietary AI agent, Lais, engages and qualifies real estate leads over WhatsApp, suggests properties to match buyer needs, and responds in real time to lift visit-to-sale conversion. It also handles agency back-office tasks like invoice issuance, maintenance request intake, and new listing capture.
- • Lais engages and qualifies inbound leads automatically over WhatsApp, the dominant channel in Brazil
- • Recommends properties matched to each client's stated needs and answers in real time, around the clock
- • Reportedly cuts average response time from roughly six hours to as little as 15 seconds
- • Reported visit conversion-rate lift of up to 60 percent
- • Automates agency operations: invoice issuance, maintenance request registration, and new listing capture
AI type: Conversational AI agent (proprietary LLM-based assistant) for lead engagement and agency operations
Key numbers[1][3]
- • Raised a $15M-$16M Series A led by Prosus Ventures in 2025, bringing total funding to about $20M
- • 1,000+ clients in the real estate industry and more than 2 million people impacted
- • Selected by AWS in 2024 as one of ten Brazilian startups in its global generative AI acceleration program
Credibility[3][2][1]
- Founders
- Allan Paladino (Co-Founder & CEO, former partner at coworking operator GoWork); José Thomaz Pereira (former senior executive at Blackstone's real estate division); Pedro Milanez (CTO, early Nubank employee and former head of mobile engineering); Alain Michel (founder of Mundo Pet)
- Customers
- 1,000+ real estate industry clients; more than 2 million people impacted; reported 20% monthly growth
- Investors
- Prosus Ventures (lead), FJ Labs, Endeavor Scale-Up Ventures, Canary, QED, 1Sharpe Ventures
Founded
2021
Headquarters
São Paulo, Brazil
Stage
Series A
Sources
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