Turn Your Cold Contacts into Qualified Opportunities — Automatically.
Re-engage your database across email, WhatsApp, LINE & phone with AI-powered multi-touch campaigns.
LINE
WhatsApp
Zalo
Email
Bangkok • Ho Chi Minh City • Hanoi
Currently working with agencies in Bangkok, Ho Chi Minh City & Hanoi.
Key Benefits
Wake up your lead graveyard and turn it into revenue.
Reactivate & qualify dormant leads
Multi-channel personalised campaigns
Automate reply handling & hand-off to agents
Measurable ROI: more meetings, less cost
Based on pilot data; actual results vary by database quality and channel mix.
How it works
Four simple steps from cold database to qualified conversations.
Import your contact list
Upload your dormant leads, past inquiries, and cold contacts from your CRM or spreadsheet.
AI picks & personalises messages
Our AI segments your database, scores contacts, and crafts personalised outreach for each channel.
Send via preferred channel
Campaigns run automatically across email, LINE, WhatsApp, SMS — wherever your leads are most active.
Conversation → Qualified lead → Agent hand-off
AI handles replies, qualifies interest, and routes hot conversations to your agents with full context.
Complete Re-Engagement Platform
Everything you need to turn your cold database into a revenue engine.
Contact Segmentation & Scoring
Automatically segment your database by property type, budget, engagement history, and buyer intent — so you target the right leads with the right message.
AI Message Generator (Personalisation)
Generate contextual, personalised messages in Thai, Vietnamese, or English that feel human — not robotic spam.
Multi-channel Send (Email / WhatsApp / LINE / SMS)
Launch campaigns across multiple channels from one dashboard — reach leads where they're most active.
Conversation Engine & Reply Automation
AI handles incoming replies 24/7, answers questions, qualifies intent, and schedules follow-ups — no manual triage needed.
Qualified Lead Hand-off + Dashboard
Hot conversations are automatically routed to your agents with full chat history, lead profile, and qualification status.
Analytics (Open rate, Reply rate, Conversion, Cost/Lead)
Track campaign performance in real-time: see what's working, optimise your messaging, and prove ROI with hard numbers.
Compliance & Security (PDPA, PDPD, Opt-in Tracking)
Built-in consent management, opt-out tracking, and data handling aligned with Thailand PDPA and Vietnam PDPD requirements.
Built for your go-to-market
Pick your track to see the outcomes.
- Pain: Thousands of past inquiries sitting in your CRM, never followed up. Each one cost money to generate.
- Value: Re-engage every inquiry from past launches. Personalised outreach across LINE/WhatsApp/Email. Qualify & route to sales.
- Reactivate 15-25% of dormant database within 60 days.
- Pain: 100k+ leads in your system — most never heard from again. Agents don't have time for cold outreach.
- Value: Automated re-engagement campaigns across all channels. AI qualifies replies. Agents only talk to hot leads.
- More qualified meetings per agent, lower cost per conversion.
- Pain: Your clients (agencies/developers) have massive dormant databases but no way to monetise them.
- Value: White-label re-engagement platform. Offer it as a value-add service. Share revenue or charge SaaS fee.
- New revenue stream from existing client base.
Simple, Transparent Pricing
Choose the plan that fits your re-engagement volume. Start with a pilot, scale as you see results.
Pilot Offer
Full platform access. Cancel anytime.
Lite
Up to 20,000 contacts/month. Email + 1 messaging channel. Standard AI engine.
Pro
Up to 50,000 contacts/month. All channels (Email, LINE, WhatsApp, SMS). Premium AI engine option.
Scale
Up to 100,000 contacts/month. Dedicated success manager. Custom integrations.
Enterprise
Unlimited contacts. White-label option. SLA + priority support.
All plans include: Campaign builder, AI personalisation, Reply automation, Analytics dashboard, PDPA/PDPD compliance tools.
Choose Standard AI engine or upgrade to Premium (GPT-4.5 benchmark) for more nuanced personalisation.
About HouseStack
Built by real-estate tech operators with experience in banking, fintech, and PropTech across Thailand and Vietnam.
Team
Experienced operators from banking, fintech, and real-estate tech. Based in Bangkok and Ho Chi Minh City.
We saw the same problem everywhere: agencies and developers spending thousands to generate leads, then letting 70%+ go cold. No follow-up. No second touch. Just… forgotten.
Our mission: help you monetise your entire database — not just the leads that came in today.
Data Security & Compliance
We take data privacy seriously. All customer data is encrypted at rest and in transit. We follow Thailand PDPA and Vietnam PDPD requirements, including consent management, opt-out tracking, and data retention policies.
Trusted by leading agencies and developers in Bangkok and Ho Chi Minh City.
Bangkok • Ho Chi Minh City • Hanoi
Wake Up Your Lead Graveyard
Stop ignoring 100k+ dormant leads. Our AI outreach runs 24/7, across LINE/WhatsApp/Email, so your agents pick up only hot dialogues.