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Sales and lead follow-up

Tools that find, qualify and follow up with possible customers: AI sales agents and appointment setters, live product demos, CRM updates, account scoring and outreach.

Sales and lead follow-up holds 17 of the 603 stories on Aiolum: 2 run by a solo founder and 15 by a team of 2 to 10. Together they report US$405,920 in verified outcomes; the largest is Fathom AI, About US$300K annual recurring revenue, April 2026. 2 headline numbers carry evidence grade A (disclosed or verified), 1 grade B (independent press) and 0 grade C (founder claim), 5 are grade D (reported, not verified), and 9 have no revenue figure (grade E). The median story reached its headline number 14 months after launch. The founders are in 7 countries, most often United States and Czech Republic. The most common main channel is cold outreach (3 of 17). The tools named most often in their sources are Cloudflare (9), Google Analytics (9) and Vercel (8).

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Evidence gradesA disclosed or payment-verifiedB independent pressC the founder's own figuresD reported, not verifiedE no revenue figureHow we verify

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The revenue trend compares the latest months in the sources with the months before them. Falling means revenue is about 15% or more below the best recent months, or the sources report a fall. The headline number is the yearly figure or the sale value on each card.

17 of 603 stories shown

AI appointment setter on WhatsApp and website chat · Germany, US company

Setter AI

Evidence A
$104K in 12 months

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, 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 in which the founder launched other products.

7 grade-A facts · 5 that failed before it
AI go-to-market advisor for B2B SaaS founders · Portugal

Mazo

Evidence A
$132 MRR verified

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, and the founder has listed it for sale.

7 grade-A facts · 4 that failed before it
AI account scoring and sales training for field sales reps · USA

Fathom AI

Evidence B
$300K ARR in 12 weeks

Team of 2 to 10 · 3 months after launch

One founder was a device sales rep who built the tool for his own territory first, so the first customers came from his own industry contacts. Medical aesthetics is paid in cash by patients, so there is no insurance claims data that the usual healthcare sales tools sell. The founders sell to a few large customers, run the support and research work with AI agents instead of staff, and took no outside money.

Every number graded · 4 that failed before it
AI sales-coaching iPhone app with role-play and call scoring · United States · Funded

CloserCoach

Reported, not verified
$400K ARR reported

Started small, grew after funding · 12 months after launch

Sales reps usually learn on real prospects, which costs the company leads. The founders turned role-play, which normally needs a manager or a colleague as partner, into a short daily exercise on the phone, and Charaniya described it to Hypepotamus as the "Duolingo for sales". The company then moved up from single reps to sales teams in solar, home services, insurance and car sales, where each rep is a paid seat.

Every number graded · 4 that failed before it
AI agents that give live product demos of business software over a video call · USA (New York), co-founder from Spain · Funded

Karumi

Reported, not verified
Reported $31K MRR

Team of 2 to 10 · 1 months after launch

The founders cut a hard idea, an AI that understands a whole software product, down to a smaller one: an AI that only has to show the product. Co-founder Toni López told Valencia Plaza that the product launched during Y Combinator, gave 2,000 demos on its first day and reached US$31,000 in monthly recurring revenue in three weeks. That is one founder statement, reported once.

Every number graded · 5 that failed before it
AI video intake and lead qualification for home services and franchise networks · United States · Funded

FormVue

Reported, not verified
$203K ARR reported

Team of 2 to 10 · 7 months after launch, revenue growing

Home-service companies spend evenings driving to free estimates for jobs that never close. A video recorded by the customer lets them see the work first and visit only the serious leads. FormVue started as a self-serve tool for single contractors in 2025 and by 2026 sold mainly to franchise systems and product manufacturers through demos.

Every number graded · 4 that failed before it
AI sales assistant that keeps the CRM up to date · Hong Kong · Funded

Klipy

Reported, not verified
$10K+/mo reported

Team of 2 to 10 · 24 months after launch

The founder had sold two machine-vision companies, lost a third to COVID and spent six years as a consultant, where sellers always refused to type data into the CRM. He coded a tool that fills the CRM itself, charged from the first day, sold lifetime deals on AppSumo at a loss to recruit testers who never cancel, and turned the launch sites' freelancers into affiliates. In July 2026 he told Indie Hackers that monthly recurring revenue had five digits.

Every number graded · 5 that failed before it
Real-time AI sales engineer for live B2B sales calls · Czech Republic · Funded

DeltaGen AI

Reported, not verified
$120K ARR reported

Team of 2 to 10 · 17 months after launch

In complex B2B software sales, the account executive often cannot answer a technical question and promises an answer from an engineer next week. DeltaGen answers from the seller's own documentation within about three seconds, so the rep can answer on the same call. It sits on the rep's screen and joins no meeting as a bot, which the company sells as its main difference from tools such as Gong.

Every number graded · 3 that failed before it
AI sales agent for business websites, WhatsApp and email that answers, qualifies and books meetings · United States

ConnectLoop

No revenue figure
100+ customers reported

Team of 2 to 10 · 5 months after launch

Companies pay to bring buyers to their website and then answer with a form and a reply the next business day. The company says it started from that gap, and from a second observation: in Colombia, Brazil and the rest of Latin America, sales run on WhatsApp, often from reps' personal phones.

Every number graded · 3 that failed before it
AI sales agent for consumer-goods brands that sell through distributors and retailers · United States · Funded

Corvera

No revenue figure
12+ brands signed

Team of 2 to 10 · 4 months after launch

A brand that sells into thousands of independent US stores through dozens of distributors gets one data feed per distributor, each with its own store names and its own week. Small brands have no data team to join them. The CEO had run a tempeh brand sold in about 5,000 stores and knew that work from the inside.

Every number graded · 3 that failed before it
AI sales agents for online marketplaces, one agent per visitor · United States · Funded

Palisade

No revenue figure
Live in YC S26

Solo founder · 3 months after launch

Online marketplaces sell through search bars and filters, while the best shops in the real world sell through a salesperson who knows the customer. The founder had built selling tools for influencers at Amazon and early iMessage shopping agents at Sage AI Labs, and built the salesperson as software.

Every number graded · 3 that failed before it
AI assistant for sales representatives · United States · Funded

Aida

No revenue figure
Acquired by Harvey

Started small, grew after funding · sold 33 months after launch

The two founders came from search: Prahladka co-founded Glean, a company that searches across a firm's internal systems. They applied the same idea to selling, where the facts of one deal are spread over email, calls and the CRM. Harvey, a legal AI company, bought the team for that search and machine learning skill, its announcement said.

3 grade-A facts · 3 that failed before it
AI phone agent, web chat and online booking for HVAC, plumbing, electrical and roofing companies · United States

ScheduleBot

No revenue figure
150K+ jobs booked

Team of 2 to 10 · 28 months after launch

The about page says the team ran marketing and operations at home-service companies around Dallas-Fort Worth and saw the same loss everywhere: calls that went to voicemail in the evening, web forms that nobody answered until morning, and paid leads that went cold. The product books the job into the system that the office already uses, instead of taking a message.

Every number graded · 3 that failed before it
AI voice agents that answer and make sales calls for consumer brands · United States · Funded

Simple AI

No revenue figure
1M+ calls handled

Started small, grew after funding · 27 months after launch

The founders first built a consumer app that waited on hold and called businesses for people. The company says businesses kept asking for the other side of that call, so it moved to agents that answer the phone for companies, starting with consumer brands whose call volume jumps in peak seasons.

Every number graded · 3 that failed before it
AI competitive-intelligence agent for B2B product marketing and sales teams: competitor research with cited sources, battle cards kept current, meeting briefs, AI win/loss interviews with buyers, and competitor data for AI assistants · United States · Funded

Steve AI (Trissino)

No revenue figure
Customers in six countries

Team of 2 to 10 · 18 months after launch

The CEO had worked as a marketer at Amazon, where, as Techstars reports, the question clients asked most often in weekly meetings was what their competitors were doing. Older competitive-intelligence tools need big budgets and a dedicated researcher; Techstars says Steve is built to run on its own for small marketing teams, and Techstars says many of its customers could not afford such tools before.

Every number graded · 3 that failed before it
AI agents that draft answers to RFPs and security questionnaires · United States · Funded

Inventive AI

No revenue figure
20 customer case studies

Started small, grew after funding · 46 months after launch

The CEO had met the pain of RFPs at his earlier startup, Viewics, which Roche bought, and the two other co-founders came from Google's LaMDA language-model team and from Stanford AI research. They started in 2023, went through Y Combinator's Summer 2023 batch and, according to the August 2024 press release, raised a US$4 million seed round to grow the team.

Every number graded · 4 that failed before it
AI lead response by text, voice and email for home service businesses · United States · Funded

LeadTruffle

No revenue figure
59K leads processed

Team of 2 to 10 · 14 months after launch

Home service owners are on job sites, not at a desk, so many calls and web inquiries wait for hours while the customer contacts the next company. The founders first sold a marketing plug-in inside Jobber, a scheduling app for these businesses. When Jobber shipped similar features itself, they built a product that works with every scheduling app instead of one.

Every number graded · 4 that failed before it
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