Assemblia: Product, team and how it was built

Team of 2 to 10 · sold 17 months after launch

Four founders, two of whom had built the drinks-delivery start-up Winelivery, looked for a profession. They wanted one that works with a large, fast-changing body of rules and had not yet adopted AI. They chose Italian accountants and labour consultants. They tested a first version with practitioners and sold monthly subscriptions. In October 2025 TeamSystem, an Italian maker of software for accountants, bought the majority of the company. Its press release said Normo.ai had €1.3 million of revenue in 2025.

Team of 2 to 10 · 15 months after launch, revenue growing

It sells one narrow job to one profession in one country: missed calls at small Belgian law firms. The site, the blog and the terms are written for lawyers at the Belgian bars, in French. They answer questions about professional secrecy and GDPR that this buyer asks first. A small firm pays a fixed 90 euros a month instead of a part-time secretary.

Team of 2 to 10 · 6 months after launch

The founders are lawyers who built the legal departments of two Berlin startups. The CEO writes that he knows the frustration with old legal software from that work. LawX replaces the whole office system instead of adding one more AI tool. It charges one price per user for the whole team, assistants included. Every AI suggestion waits for a person to approve it. tech.eu reported in May 2026 that the next step was the broader law firm market.

Team of 2 to 10 · 21 months after launch

One founder had worked as a corporate lawyer and the team sold directly to law firms and banks that it already knew. The product was built on Indian court material, which global tools cover less well. Customers made it part of daily work. When the platform went down for maintenance, users called and messaged the team to ask when it would return.

Team of 2 to 10 · sold 28 months after launch

Three founders built it without outside money in 2023, and the first message, that it replaced lawyers, scared the customers away. They changed it into an assistant for lawyers. They connected it to the Spanish official gazette and court decisions. They had it take the Spanish judiciary entrance exam in front of a notary. According to Merca2, that public test turned a handful of customers into hundreds a month. Doctrine, a French legal AI company, bought it in February 2026.

Team of 2 to 10 · 6 months after launch

The founder is a New York trial attorney with about fifteen years of practice. The company's pages say he built the platform inside his active trial practice and wrote the prompts and templates himself. General legal AI tools are not built for one task such as contested litigation; this one is built only for that. Its pricing page says usage is designed to be passed to clients as a disbursement, like research time on Westlaw or Lexis.

Solo founder · 44 months after launch, revenue falling

A studio portrait needs a photographer, a booking and days of waiting. AI SuitUp sold the same result, a photo for LinkedIn or a résumé, for a one-time price from early 2023. The larger packs had a money-back guarantee. It narrowed the offer to one use, professional headshots, and then built a landing page for almost every profession and a version for company teams. Stripe records US$648,649 of payments in total, but only US$35,743 of it in the last 12 months. So most of the money came in 2023, 2024 and 2025.

Team of 2 to 10 · 32 months after launch, revenue falling

It sold one promise that a customer can measure: a first reply to every new lead within 10 seconds. It sold this to businesses that already pay for many leads through Meta ads. A demo on the website brought sales calls through organic search before the product was built. Revenue then fell from US$9,000 to US$12,000 a month in late 2025 to under US$2,000 in September 2026. In the same months the founder launched other products.

Solo founder · 9 months after launch, revenue falling

One person in Paris built an AI research product that sells a one-time report instead of a subscription. TrustMRR reads US$30,168 of revenue from its payment accounts between December 2025 and 12 October 2026. The page shows how a crowded AI category can still pay a solo founder. It also shows how revenue behaved after the first three months, and what is still unclear about the first month.

Team of 2 to 10 · 9 months after launch, revenue growing

Its makers already sold websites and brand design to architecture firms. So they knew the problem from their clients: good projects shown with weak pictures. The reason is that a photographer or a rendering specialist costs money and time. They built a narrow tool for that one customer, in French, with prices from €19 a month. They built the app itself with an AI app builder.

Started small, grew after funding · sold 11 months after launch

Its founders wrote some of the methods that the industry already used to run models cheaply, such as AWQ for 4-bit weights. They turned that research into a paid serving API. They proved the speed on a public benchmark and partnered with a cloud company that needed exactly that speed. Eleven months after its first public post, the partner agreed to buy it.

Solo founder · 33 months after launch, revenue falling

The app costs almost nothing to run: the owner reports a profit margin of 99%. The App Store page shows no new version since July 2025. A small, steady flow of downloads, about 2,500 in 28 days in October 2026, keeps about 150 paid subscriptions alive. The owner is an experienced app marketer who already sells more than a dozen other apps from the same developer account.

Solo founder · 4 months after launch, revenue falling

The founder turned the go-to-market frameworks she uses as an advisor into a product with one job and one price. It is a small, early business. Stripe data shows US$500 of revenue in its first four months and two active subscriptions in November 2026. The founder has listed it for sale.

Team of 2 to 10 · 11 months after launch, revenue flat

The site ties a cruise chat product to a creator with a social audience. It says the tool is led by her experience of living, working and travelling at sea. The first verified payment came in January 2026, the month after the start date on TrustMRR.