ServiceTitan, the software platform for plumbing, HVAC, electrical and other trade contractors, has shown that a vertical B2B company can pass a $1 billion revenue run rate and still grow around 25% a year. The reason is not a single clever product. It is that ServiceTitan earns from the money flowing through its customers' businesses, not only from software seats.

The numbers below come from SaaStr's breakdown of ServiceTitan's fiscal Q1 2027 results. We summarise them briefly, then focus on what other B2B companies, vertical or not, can take from them.
The headline numbers
- Revenue: $268.8M in the quarter, up 25% year over year, a run rate of roughly $1.08B. Growth a year earlier was 27%, so the slowdown has been small.
- Subscription vs usage: subscription revenue of $202.0M grew 24%, while usage revenue of $58.5M grew 29%. Usage is now about 22% of platform revenue.
- Gross transaction volume: $21.7B in the quarter, up 23%, which annualises to around $87B.
- Profitability: non-GAAP operating margin rose from 7.5% to 15.2% while sales and marketing spend grew only 5.6%.
- Retention: net dollar retention still above 110%, flat on the prior year.
- R&D: up 27% to $88M, about a third of revenue, with heavy investment in AI.
Related: Anthropic's Growth and the Shift From Seats to Output
Lesson 1: Revenue that grows with your customers' revenue
ServiceTitan's usage line, largely payments and related financial services, grows faster than subscriptions. When a contractor's business grows, more invoices flow through the platform and ServiceTitan earns more without a new sale. This is the vertical software plus fintech model that SaaStr compares to Toast, Shopify and Bill.
Most B2B companies cannot bolt on payments. But the underlying question applies to everyone: does your revenue grow automatically when your customer succeeds? Usage, volume or outcome components tie your growth to theirs and make expansion revenue less dependent on upsell campaigns.
Examples are easy to find once you look. A scheduling tool can charge per booked appointment, an email platform per contact reached, a data product per record delivered, an analytics tool per tracked event. The design rule is that the metric should be something the customer is glad to see go up, so a bigger bill always arrives alongside a bigger result. If the usage line feels like a penalty, customers will work to shrink it, and you will have built churn into your pricing instead of expansion.
Lesson 2: Owning a vertical makes adjacent products easy to sell
A company that runs a contractor's scheduling, dispatch and invoicing is the obvious place to buy payments, financing and marketing tools. Trust and data are already there. Vertical software companies often grow their second and third products faster than their first because the distribution cost is close to zero.
Horizontal companies can borrow the idea by going deep on one segment before going wide. A clear ideal customer profile makes every later product easier to position, price and sell.
Related: Google Search's World Cup Record: Lessons for B2B Marketers
Lesson 3: Efficiency can rise at scale
The margin jump from 7.5% to 15.2% came while revenue grew 25% and sales and marketing spend grew in single digits. That combination usually means a mature installed base doing more of the selling through expansion, referrals and word of mouth, plus a tighter focus on the accounts most likely to buy.
For smaller B2B teams, the practical version is to stop spreading pipeline effort evenly. Put your sales time on accounts that match your best customers and that are already showing interest.
Lesson 4: Reinvest efficiency into the next product
ServiceTitan is using its improved margins to fund AI. R&D is about a third of revenue, and SaaStr notes that locations using its Max product more than doubled in the quarter. The pattern is a company protecting its core while building the next layer before customers ask for it.
That matters because vertical markets are exactly where AI-native challengers attack first. The best defence is to use your proprietary workflow data to build AI features a newcomer cannot match.
Lesson 5: Fundamentals and share price can diverge
SaaStr points out that ServiceTitan's stock had fallen sharply over the previous year despite these results, and that stock-based compensation remains large relative to revenue. Public market sentiment on software is volatile, and strong operating metrics do not guarantee a strong share price. For founders, the takeaway is to build for durable metrics like retention and efficiency rather than for the current valuation mood.
What B2B teams can apply now
- Find a usage or volume lever. Identify one part of your pricing that grows as your customer's business grows.
- Narrow your ICP. Write down the segment where you win most often and point marketing there first.
- Prioritise warm accounts. Focus outbound on companies already researching you instead of cold lists.
- Measure net retention monthly. Expansion from existing customers is the cheapest growth available.
- Invest in AI on your own data. Build features only your workflow data makes possible.
Where visitor identification fits
ServiceTitan's efficiency story is really about spending sales time where demand already exists. The same principle applies to your website: most B2B buyers research quietly before they ever fill in a form. Website visitor identification shows which people and companies are on your site, and Happierleads lets you score them against your ideal customer profile so your team only works the visitors who match. It is a simple way to make pipeline effort follow intent rather than guesswork.
The takeaway
ServiceTitan shows that scale and growth are compatible when revenue is tied to customer success, the market is well defined and efficiency gains are reinvested into the product. You do not need a billion-dollar run rate to act on that: add a usage lever to your pricing, tighten your ICP and point your sales effort at accounts that are already showing interest.



