Every tradie, physio, and café owner in Australia has lost a job to an unanswered phone. You’re on the tools, mid-treatment, or pulling coffee, and the call rings out. The caller moves on. That revenue is gone.

Perth-based startup Vertical AI is building directly at that problem, an AI voice agent that picks up when you can’t, answers from your own information, and works around the clock without a lunch break.

What it actually does

Vertical AI’s product is a voice agent for inbound calls. When a customer rings, the AI answers, holds a real conversation, and resolves the query using a knowledge base you control. It’s not a phone tree. It’s not voicemail. The caller gets answers.

The knowledge base is the part worth paying attention to. You build it yourself: upload a PDF (your service menu, pricing guide, terms), paste in a URL, or type it in manually. The agent draws only from that material, your actual business information, not a general AI guess. If a customer asks about your rates for a Saturday callout, the agent answers from what you told it, not from a hallucinated price it invented.

That distinction matters for small business owners who worry, reasonably, about AI making things up. Vertical AI’s approach keeps the agent tethered to your source material.

The product also runs a toll-free contact line, answered by the Vertical AI voice agent itself. Which is either a bold demo of confidence in the product or the most efficient sales pitch in Perth. Probably both.

Built in Perth, data in Sydney

Vertical AI was built by Perth developers and that’s not a throwaway detail. Perth sits two hours behind Sydney, five behind Melbourne, and well outside the gravitational pull of Australia’s east coast startup scene. That Perth is producing AI product companies matters, Cognian Technologies, the Perth AI startup automating commercial buildings, is another example of what the city’s tech community is building.

For the data itself, Vertical AI hosts in Sydney. That means call data and customer interactions stay in Australia, a practical requirement for businesses with any sensitivity around customer records, and increasingly a stated preference for Australian SMBs thinking about where their data actually lives.

The enterprise tier goes further: dedicated infrastructure, custom compliance options, and SLA-backed uptime guarantees. That’s aimed at businesses where a missed call isn’t just an inconvenience, it’s a contractual or reputational problem.

Who should care

Tradies are the obvious fit. A plumber or electrician is on-site for most of the working day. Calls go unanswered. Callers move on. The Tradies Hub covers this ground in depth, but the short version is that Australian sole trader tradies lose an estimated 270,000 calls a day across the sector. AI voice answering is a direct fix for that leak.

Allied health is another strong fit. A physio practice with two practitioners typically has one person managing reception alongside everything else. After-hours is worse. Research from C9 (2026) puts around a third of bookable inbound calls to Australian service businesses between 6pm and 9pm on weeknights, when the receptionist is home and the voicemail is on. Vertical AI’s 24/7 availability addresses that window directly.

Hospitality and retail have the same problem during peak hours. You can’t have your best barista step away from the machine at 9am Saturday to answer whether you take bookings.

The enterprise tier opens a different conversation, larger teams, compliance requirements, dedicated infrastructure. That’s a reasonable wedge into the market, but it’s the SMB tier where the volume of the missed-call problem is sharpest.

How it compares

The closest Australian comparison is Chaty.ai, the Gold Coast startup solving tourism’s missed call problem. Chaty is built specifically for tourism and hospitality, it integrates with Rezdy, FareHarbor, and other booking platforms, and handles multilingual callers from Australia’s international visitor base. It’s a vertically focused product solving the same root problem.

Vertical AI looks more horizontal, a voice agent with a knowledge base you configure, aimed at any Australian business taking phone enquiries. The knowledge base design gives it flexibility across industries, but that also means you do more of the setup work yourself rather than getting an industry-specific template out of the box.

Traditional answering services, the ones with a human in a call centre reading from a script, still exist and still charge accordingly. The AI version costs less and never asks for time off. For businesses where the call volume justifies a full-time receptionist but the revenue doesn’t, AI voice agents are the practical option in between.

For a broader look at what setting one of these up actually involves, How to Set Up an AI System for Missed Calls and Booking Follow-Up walks through the mechanics. And if you’re still deciding whether an AI receptionist makes sense for your setup, Do AI Receptionists Make Sense for Australian Small Business? runs the numbers for a café, a physio, and a tradie.

What we don’t know yet

Vertical AI launched in 2026. That means the things you’d want to know about a more established product, pricing tiers, call volume handling, specific integration support, customer numbers, aren’t yet publicly stated. The site describes capabilities and enterprise options, but doesn’t publish a pricing page.

We don’t know what booking or job management tools it connects to, if any. For tradies using ServiceM8, Fergus, or Simpro, that integration question matters a lot, an AI receptionist that can’t write the booking into your system just creates more admin. Worth asking before you sign up.

The workshop offering, on-site AI workshops for Australian businesses, is listed but lightly described. It’s likely aimed at businesses that need help building their knowledge base and configuring the agent, rather than a standalone product.

SmallBizAI take

The missed-call problem is real and well-documented. Vertical AI’s knowledge-base approach, where the agent answers only from your own materials, is a sensible design choice for business owners who don’t want an AI improvising answers to their customers. Perth-built, Sydney-hosted data, and an enterprise tier with actual SLAs puts it ahead of US-built alternatives on data residency and local support.

The open questions are around integrations and pricing. If it connects to the job management tools your business already uses, the ROI case gets much stronger. If it doesn’t, you’re getting a polished call-answering layer but still processing the bookings manually.

Worth a trial conversation, they have a toll-free number answered by the product itself. That’s as good a demo as you’re going to get.