What are the top AI sales agent startups by revenue today?

The ranking of top startups in the AI sales agents market by revenue

Below is a table ranking the startups of this market by their current revenue scale. You can find our methodology at the end of this page.

If you want a deeper understanding of the market and its current dynamics, get our report on the AI sales agents market.

Why are AI sales agent startups making so much money now?

AI sales agent startups are making serious money because businesses are increasingly paying software to find prospects, contact them, answer questions, and book meetings without someone handling every step.

The change is already visible in day-to-day sales activity. Amplemarket's State of Agentic Sales 2026 report analyzed nearly 49 million prospects and found that AI-assisted outreach reached 37% of newly contacted prospects in September 2026, compared with 19% a year earlier. AI agents selected 22% of new prospects, while the median CRM-connected sales team attributed 30% of new outbound opportunities to AI-assisted activity.

Two years earlier, that last figure was just 1%.

Revenue is following adoption. Gong passed $500M in annual recurring revenue (ARR), Podium exceeded $150M in AI-agent-specific ARR, and Retell AI reached an estimated ~$80M annualized revenue run-rate.

These businesses sell different products. Gong helps sales teams manage and automate revenue workflows, Podium deploys AI agents for local businesses, and Retell AI provides infrastructure for voice agents.

Which AI sales agent startups make the most revenue today?

monday.com currently ranks first among AI sales agent startups with $1.23B in 2025 annual revenue, followed by Gong at more than $500M ARR and Fin (Intercom) at more than $400M ARR.

Dialpad and Outreach complete the top five. Apollo.io, 6sense, Aircall, Clay, and Podium occupy positions six through ten.

The ranking covers several types of AI sales software, from autonomous prospecting and inbound sales conversations to voice agents, sales intelligence, and CRM automation.

There is an important distinction between overall software revenue and AI-agent revenue. monday.com's $1.23B includes work management and CRM subscriptions, while Podium's more than $150M explicitly represents AI-agent ARR.

We identified 50 startups with financial revenue indicators and seven additional startups with quantified commercial adoption. The financial figures include annual revenue, ARR, run-rates, historical estimates, and partial-period results, each identified according to what it actually measures.

These figures are useful for comparing business scale, although they do not all measure the same thing.

Rank	AI sales agent startup	Revenue or commercial scale	Metric and period
1	monday.com	$1.23B	Annual revenue, 2025
2	Gong	>$500M	ARR, May 2026
3	Fin (Intercom)	>$400M	ARR, March 2026
4	Dialpad	>$300M	ARR, October 2024
5	Outreach	~$301M	Estimated annual revenue, October 2024
6	Apollo.io	~$265M	Estimated ARR, September 2026
7	6sense	~$265M	Estimated ARR, December 2025
8	Aircall	$250M	ARR, October 2026
9	Clay	~$200M	Estimated ARR, September 2026
10	Podium	>$150M	AI-agent ARR, October 2026
11	Drift	~$135M	Historical estimated ARR, December 2022
12	Retell AI	~$80M	Estimated revenue run-rate, August 2026
13	lemlist	>$60M	ARR, September 2026
14	Nooks	~$47.6M	Estimated annual revenue, June 2024
15	Instantly AI	~$38M	Estimated annual revenue, July 2026
16	Orum	~$36M	Estimated ARR, May 2025
17	respond.io	$35M	ARR, June 2026
18	Qualified	~$32M	Estimated ARR, September 2026
19	Conversica	~$24.6M	Estimated annual revenue, October 2024
20	Klenty	~$24.3M	Estimated annual revenue, June 2024
21	PolyAI	£18M	Fiscal-year revenue, FY2026 ended January 2026
22	Snov.io	~$22.7M	Estimated annual revenue, 2025
23	Smartlead	~$20M	Estimated annual revenue, July 2026
24	HeyReach	>$16M	ARR, July 2026
25	Saleshandy	~$15M	Estimated annual revenue, July 2026
26	Alta	$15M	New revenue run-rate, July 2026
27	Amplemarket	~$14.9M	Estimated annual revenue, October 2024
28	Lyzr AI	$12M	ARR, June 2026
29	CloudTalk	~$11.8M	Estimated annual revenue, October 2024
30	Buzz AI	~$10.9M	Estimated annual revenue, July 2025
31	Landbase	~$10.7M	Estimated annual revenue, September 2025
32	Mailshake	~$10M	Estimated annual revenue, July 2026
33	11x	~$10M	Reported ARR, September 2024; disputed
34	Reply.io	~$8.7M	Estimated annual revenue, 2025
35	Jeeva AI	~$8.6M	Estimated annual revenue, September 2025
36	SleekFlow	$8–9M	ARR, June 2024
37	Vapi	~$8M	Estimated annual revenue, April 2025
38	Artisan	>$7M	ARR, December 2025
39	Regie.ai	~$7.9M	Estimated annual revenue, 2023
40	Warmly	>$7M	ARR, March 2026
41	1mind	~$6M	ARR, March 2026
42	ReachInbox	~$6M	Estimated annual revenue, July 2026
43	Unify	~$5.6M	Estimated revenue run-rate, June 2025
44	Lindy	~$5.1M	Estimated annual revenue, October 2024
45	Rox	~$4.3M	Estimated annual revenue, July 2025
46	Dapta	>$4M	Projected annual revenue, 2026
47	Bland AI	~$3.8M	Estimated annual revenue, June 2024
48	Salesforge	~$3M	Estimated annual revenue, July 2026
49	AiSDR	$500K	ARR, September 2023
50	SalesCloser	CAD 367K	Quarterly revenue, Q3 FY2026 ended June 2026
51	Impel	>8K customers	Automotive customers, July 2026
52	Wati	>16K customers	Business customers, period undisclosed
53	CarNow	>4K locations	Dealership locations, period undisclosed
54	JustCall (SaaS Labs)	>6K customers	Customers, period undisclosed
55	Flai	>50K monthly appointments	Appointment volume, October 2026
56	Toma	>100 customers	Automotive customers, period undisclosed
57	Encore AI	>40 customers	Customer deployments, July 2026

How much revenue does Gong make from AI sales software?

Gong currently generates more than $500M ARR, making it the second-ranked AI sales agent startup and the largest specialist private sales software company in our ranking.

The company announced that milestone in May 2026, alongside more than 55% year-over-year growth in its latest quarter. Gong also reported ten consecutive quarters of accelerating growth.

For perspective, Sacra estimated Gong's ARR at $298M in 2024. The difference between that historical estimate and the latest company disclosure exceeds $202M, although the two figures come from different sources.

Gong is also getting more money from larger customers. The company reported adding more customers with contracts exceeding $1M during its previous two quarters than during the six quarters before that. Half its customers now use multiple Gong products, and usage of Gong Assistant increased more than 200% year over year.

Gong began with conversation intelligence and expanded into forecasting, coaching, sales engagement, and autonomous revenue workflows. Companies can increasingly run several sales functions through the same platform.

But is Gong bigger than monday.com?

No. monday.com ranks first with $1.23B in 2025 annual revenue, compared with Gong's more than $500M ARR. The figures use different periods and metrics, but monday.com has the larger overall business.

Its revenue also comes from a much wider product range, including work management, CRM, and development software. Gong's revenue is more concentrated on helping sales teams.

Is Podium the most successful pure AI sales agent business?

Podium has one of the clearest large-scale AI-agent revenue disclosures in the market, with more than $150M in AI-agent-specific ARR as of October 2026.

The company reached that figure in two and a half years. Its original software business needed eight years to reach the same milestone, according to Podium's October announcement.

That's approximately 3.2 times faster.

Podium originally focused on customer messaging, online reviews, and communications for local businesses. It later developed AI agents that answer calls, respond to inquiries, schedule appointments, and follow up with potential customers.

The company reported deploying more than 20,000 AI agents, roughly twice the 10,000 it had reported earlier in 2026.

Podium also stated that its agents had helped customer businesses generate more than $13B in revenue. That money was earned by Podium's customers, of course, rather than Podium itself.

Unlike companies that report only total software revenue, Podium separately identifies money generated by its AI-agent products. Its agents handle customer service and scheduling alongside sales.

How much money are Apollo.io, 6sense, and Clay making?

Apollo.io ranks sixth with estimated ~$265M ARR, 6sense ranks seventh with ~$265M, and Clay ranks ninth with ~$200M. All three have become substantial businesses by helping sales teams find and engage potential customers.

Apollo.io combines a large contact network with prospect analysis, enrichment, outreach, and AI-assisted workflows. According to Sacra, its estimated ARR increased from $194M at the end of 2025 to ~$265M in September 2026.

That represents approximately 37% growth in nine months.

6sense approaches the problem differently. It helps businesses identify which accounts may be preparing to buy, then coordinates targeting and engagement. Its ~$265M ARR estimate relates to December 2025 and covers more than its AI email agents.

Clay has grown particularly quickly through data enrichment and automated prospect analysis. Sacra estimates its ARR increased from $108M at the end of 2025 to ~$200M by September 2026, approximately 85% growth.

Combining the estimates for Apollo.io and Clay produces another useful comparison. Their ARR rose from $302M to $465M over those nine months, an increase of approximately $163M in annualized recurring revenue.

The figures are third-party estimates, so they shouldn't be treated like audited financial results. Still, they suggest that a lot of money in AI sales is going toward better prospect information and automated workflows, even when the product doesn't look like a fully autonomous digital salesperson.

Are AI sales agents killing traditional sales engagement software?

AI sales agents are changing traditional sales engagement software, but the older businesses are still making substantial money.

Outreach ranks fifth with estimated ~$301M in annual revenue as of October 2024. Apollo.io ranks sixth with ~$265M estimated ARR, and Clay ranks ninth with ~$200M estimated ARR.

The next group includes lemlist at more than $60M ARR, Instantly AI at approximately ~$38M in annual revenue, and Orum at ~$36M ARR.

These products still offer many familiar capabilities: email sequencing, sales dialing, prospect information, contact enrichment, and campaign management.

What has changed is the amount of work they can automate.

Apollo.io can support prospect selection and campaign preparation. Clay can analyze and enrich accounts through multi-step workflows. Outreach is expanding beyond traditional sequences into automated sales execution.

A company that previously needed one tool for contact data, another for enrichment, and a third for email sequences may eventually manage everything through a single agent-driven platform.

Which AI voice sales agent startups make the most revenue, and can Retell AI catch Dialpad?

Dialpad ranks highest among voice sales agent startups, with more than $300M ARR as of October 2024, followed by Aircall with $250M ARR as of October 2026 and Retell AI at an estimated ~$80M annualized revenue run-rate in August 2026. Retell is growing quickly enough to become a serious challenger, although the revenue gap remains large.

Dialpad and Aircall built sizable communications software businesses before adding more autonomous voice agents. Their ARR includes traditional calling, messaging, and other services.

Retell AI, Vapi, and Bland AI are newer businesses built around deploying programmable voice agents.

Aircall's $250M ARR announcement came after a series of moves into AI-powered conversations, including the 2026 acquisitions of Vogent and Piper AI.

Retell AI offers an interesting comparison. According to Sacra, Retell generated approximately $5.4M in 2024 and reached a ~$45M annualized revenue run-rate by the end of 2025. Its estimated run-rate subsequently climbed to ~$80M in August 2026, about 78% growth over eight months.

There is also evidence of a sharp increase in actual usage.

An OpenAI customer case study published in October 2026 reported that Retell handled more than 100 million calls monthly by September, up from 30 million earlier in the year. The platform was serving more than 4,000 businesses.

That's over three times as many monthly calls, within a single year.

Vapi ranks thirty-seventh with estimated ~$8M in annual revenue as of April 2025. Because that figure is considerably older, it tells us relatively little about the company's current revenue after further growth in voice AI adoption.

Both Retell and Vapi help businesses deploy telephone agents for appointments, lead qualification, support, and other workflows.

The next challenge is making these products economically attractive as usage increases. Voice agents consume speech recognition, text generation, speech synthesis, and telephony resources. High call volumes can bring significant infrastructure costs.

Overall rank	Voice sales agent startup	Financial figure	Metric and period
4	Dialpad	>$300M	ARR, October 2024
8	Aircall	$250M	ARR, October 2026
12	Retell AI	~$80M	Revenue run-rate, August 2026
21	PolyAI	£18M	Fiscal-year revenue, FY2026
29	CloudTalk	~$11.8M	Estimated annual revenue, October 2024
37	Vapi	~$8M	Estimated annual revenue, April 2025
47	Bland AI	~$3.8M	Estimated annual revenue, June 2024
50	SalesCloser	CAD 367K	Quarterly revenue, Q3 FY2026
54	JustCall (SaaS Labs)	>6K customers	Customer count; revenue undisclosed

Which AI startups make the most money from inbound sales agents and messaging?

Fin (Intercom) ranks first among inbound sales agent startups with more than $400M ARR as of March 2026, followed by Podium at more than $150M in AI-agent ARR and Drift at historical estimated ARR of ~$135M. In conversational commerce specifically, respond.io ranks highest with $35M ARR.

Fin is now part of Salesforce following an acquisition completed in September 2026. Its original business focused heavily on customer support, with sales-agent capabilities arriving more recently.

Drift took an earlier approach to conversational sales. It helped businesses turn website conversations into qualified leads and sales meetings before being acquired by Salesloft in 2024.

Below these companies, Qualified ranks eighteenth with estimated ~$32M ARR, Conversica nineteenth with estimated ~$24.6M in annual revenue, and Warmly fortieth with more than $7M ARR. Encore AI has disclosed more than 40 customer deployments, but no comparable revenue figure.

Inbound sales agents respond to people who have already visited a website, submitted an inquiry, or contacted the business.

Conversational commerce companies extend that approach to messaging channels such as WhatsApp and Instagram, where customers increasingly ask questions, request appointments, and place orders.

respond.io announced its $35M ARR milestone alongside a $62M Series B financing. The first figure measures recurring revenue; the second is investment capital raised.

SleekFlow reported $8–9M ARR in a 2024 TechCrunch article covering its financing and expansion. Wati has disclosed serving more than 16,000 businesses, although that customer count cannot establish its annual revenue.

An agent can respond to an inquiry, recommend a product, qualify the customer, and coordinate the next step without requiring a human employee for every conversation.

Podium's dedicated AI-agent ARR is particularly useful evidence here. Fin and Drift reached considerable scale with broader conversational software, while Podium has disclosed what its newer AI-agent products specifically generate.

Are AI sales agents actually bringing in more leads and improving conversion rates?

AI sales agents are helping sales teams reach more prospects and generate more buyer interest, but their impact on actual conversion rates remains much smaller than the growth in AI usage might suggest.

Amplemarket's 2026 study found that representatives using AI contacted 19% more accounts than equally active teammates who weren't using it.

Following agent adoption, interested buyers per representative increased 43% relative to the comparison group. However, increases in actual meetings were less consistent.

Among nearly 27,000 meetings analyzed, 37% of AI-sourced meetings became CRM opportunities within 60 days, compared with 33% of other meetings.

That's a four-percentage-point difference.

The report also found that AI-assisted sequences combining email, LinkedIn, and calls generated 4.6 times the interested-prospect rate of email-only outreach without AI. But using the same three channels without AI also improved results substantially, by 2.7 times.

Better channel coverage clearly explains part of the advantage.

BCG's October 2026 survey of 398 sales and revenue leaders adds another perspective. Although 90% reported meaningful AI use in sales workflows, only 14% reported measurable improvements in conversion and 13% identified better win rates.

Among organizations deploying more autonomous agents, 23% reported improved conversion as a leading AI impact, compared with 11% among less advanced organizations. The survey cannot establish that agent deployment alone caused the difference.

Gong has published more encouraging examples from individual customers. Uber for Business reported a 32% lift in response rates, Canva reported a 60% increase in sales representative capacity, and Anthropic reported a 64% improvement in seller productivity. These are company-reported case studies rather than controlled industry-wide comparisons.

There is another interesting finding: email reply rates declined from 6.5% in 2022 to 1.8% in 2026, and 76% of that decline happened before September 2024, when Amplemarket's AI adoption period began.

Cold outreach was already getting harder before AI agents became widely used.

Are AI sales agents replacing human sales representatives?

AI sales agents are already taking over repetitive sales tasks, but widespread replacement of human sales representatives has not happened.

Apollo.io's August 2026 AI in Sales & Go-to-Market Survey found that 97% of respondents were adopting AI in some form, and 58% had seen measurable benefits within 60 days.

Yet only 6% believed AI would eventually replace members of their teams.

That's a striking gap between adoption and expectations of job replacement.

Sales teams are using AI to analyze prospects, prepare outreach, summarize meetings, update CRM records, and manage follow-ups. These are time-consuming activities that representatives previously handled themselves.

Complex negotiations, enterprise relationships, customer strategy, and closing major contracts remain much harder to automate completely.

BCG's October 2026 survey of 398 sales and revenue leaders also found that 65% expected sales headcount to increase over the following year, even as AI adoption expanded.

That doesn't mean AI will never reduce hiring for some sales roles. Companies may need fewer people for basic prospecting or repetitive customer communications as agents improve.

For now, the biggest change is in what sales representatives spend their time doing.

Can AI SDR startups actually reach $100 million in revenue?

AI SDR startups have demonstrated real commercial demand, but narrowly focused autonomous prospecting companies have not yet matched the nine-figure scale of larger sales platforms.

Apollo.io has estimated ~$265M ARR, Clay approximately ~$200M, and lemlist more than $60M ARR. All support automated outbound sales, but they also generate revenue from prospect data, enrichment, and conventional engagement software.

Among startups marketed more directly around AI sales representatives, Landbase ranks thirty-first with estimated ~$10.7M in annual revenue, 11x thirty-third with disputed historical ARR of ~$10M, Artisan thirty-eighth with more than $7M ARR, and Salesforge forty-eighth with estimated ~$3M annual revenue.

These are meaningful amounts for young companies, but the gap to $100M is considerable.

Alta is another example worth watching. In a July 2026 interview with CTech, CEO Stav Levi-Neumark reported a $15M new revenue run-rate following 800% revenue growth in less than a year.

That's an ambitious trajectory, although new revenue run-rate should not be confused with recognized annual sales.

The challenge for pure AI SDR vendors is retaining customers after the early excitement. Businesses might test an automated prospecting agent quickly, but they will keep paying only if it consistently generates useful leads and meetings.

What happened to 11x, and can its revenue numbers be trusted?

11x's reported ~$10M ARR as of September 2024 remains disputed, following allegations that the AI SDR startup counted contracts and customer relationships that did not represent durable recurring revenue.

The company attracted funding from Benchmark and Andreessen Horowitz with an AI sales representative designed to analyze prospects, write outreach, and schedule meetings.

In March 2025, TechCrunch published an investigation based on interviews with employees, investors, and customers.

Several companies whose logos appeared in 11x marketing materials said they were not customers. ZoomInfo told TechCrunch that it had tested the product for approximately one month and decided against continuing after the trial performed worse than its human SDR team.

Former employees also alleged that customers using contract break clauses continued to appear in reported ARR.

11x disputed parts of the reporting and argued that its customer retention had improved as the product developed.

The financial issue is straightforward. A company can sign contracts that imply a large annualized revenue figure without ultimately collecting twelve months of payments from those customers.

We retain 11x at its original position, with its reported historical ARR and the dispute clearly identified. There is insufficient evidence to treat that figure as confirmed current recurring revenue.

Are smaller AI sales agent startups already making millions?

Yes. Many smaller AI sales agent startups have reached financial scale measured in millions or tens of millions of dollars, well beyond the experimental stage.

Nooks ranks fourteenth with estimated ~$47.6M in annual revenue, Instantly AI fifteenth with ~$38M, and Orum sixteenth with ~$36M ARR.

respond.io reported $35M ARR, while Qualified has estimated ~$32M ARR. Conversica and Klenty also have historical revenue estimates of roughly $24M each.

Further down, the market includes companies with different approaches to automation. Lyzr AI reported $12M ARR, Artisan passed $7M ARR, and 1mind reported approximately $6M ARR from its interactive AI demonstration and qualification business.

Nooks and Orum concentrate on sales calling. Instantly AI and Klenty focus more heavily on outbound engagement. Qualified handles website visitors and inbound opportunities. 1mind builds agents that can demonstrate products and qualify customers.

The quality of the financial evidence varies considerably. Some amounts come from founders or company disclosures, while others are modeled by third-party platforms and may be several years old.

Are car dealerships really using AI sales agents?

Automotive AI sales agents are already being used across thousands of dealerships, although the available revenue evidence is much weaker than the adoption figures.

Impel reports more than 8,000 automotive customers, CarNow operates across more than 4,000 dealership locations, and Flai disclosed handling over 50,000 monthly appointments as of October 2026.

Toma has also reported more than 100 automotive customers.

These businesses automate tasks that dealerships handle constantly: answering telephone calls, responding to leads, scheduling appointments, following up with customers, and dealing with service inquiries.

But Impel's customer count cannot tell us its annual revenue, and CarNow's location count does not reveal average subscription fees. Flai's appointment volume also includes service bookings alongside sales activity.

Commercial adoption is already widespread in automotive retail. Which of these companies earns the most money remains unclear.

Why are big software companies buying AI sales agent startups?

Larger software companies are buying AI sales agent startups to bring autonomous conversations and sales execution into products their customers already use.

Salesforce's acquisition of Fin, formerly Intercom, is the clearest recent example. The deal was announced at approximately $3.6B in June 2026 and completed in September.

Fin had already exceeded $400M ARR before the acquisition, although much of its business came from customer support automation.

Salesforce also acquired Qualified in 2026, adding inbound AI sales agent capabilities to its broader customer relationship management platform.

Earlier, Salesloft acquired Drift in 2024, combining conversational marketing with its sales engagement products.

Aircall followed a related strategy through the 2026 acquisitions of Vogent and Piper AI, expanding its AI voice and messaging capabilities.

A sales software platform already has customers, data, and workflows. Buying an agent startup can be faster than building every capability internally.

Of course, an acquisition price is different from revenue. Salesforce's approximately $3.6B transaction for Fin represents the purchase consideration, not the amount Fin earns annually.

Acquisitions also make independent revenue comparisons harder after closing, because financial results can become part of the parent company's consolidated business.

Are AI sales agent startups profitable yet?

Profitability is still poorly documented across most private AI sales agent startups, even when their recurring revenue looks impressive.

monday.com provides one of the few detailed financial examples because it publishes annual results.

The company generated $1.23B in 2025 revenue and reported approximately $175.3M in non-GAAP operating income. On a GAAP basis, however, it recorded a small operating loss of approximately $1.7M.

Podium has also reported profitability. In October 2026, CEO Eric Rea said the company was profitable and generating free cash flow while announcing its more than $150M AI-agent ARR milestone.

For most private competitors, detailed operating margins are unavailable.

Voice AI deserves particular attention here.

Retell AI, Vapi, and Bland AI must pay for the technology required to handle calls, including language models, speech processing, and communications infrastructure. More usage generates more revenue opportunities, but it also increases delivery costs.

Without comparable gross margins, customer acquisition costs, and operating expenses, we cannot determine which startup has the strongest profitability.

What could stop AI sales agent startups from growing?

The biggest threat to AI sales agent startups is that automating routine sales work becomes cheap and easy enough for customers to stop paying separate vendors for it.

The pressure is already visible.

Gong, Apollo.io, monday.com, and Aircall can add AI functionality to software that customers already use. These companies have existing relationships, distribution, and access to sales workflows.

Meanwhile, improvements in AI models make basic email writing, lead analysis, and conversation handling easier to reproduce.

A startup selling little more than AI-generated cold emails may struggle to defend its pricing when similar capabilities appear inside larger platforms.

The second problem is customer retention. Businesses can test an AI agent quickly, but they may cancel if lead quality, appointment booking, or campaign performance disappoints.

The controversy surrounding 11x showed how important contract terms and actual customer retention can become when evaluating reported ARR.

And there's a third challenge: more automation can create more competition for customer attention.

Amplemarket's analysis found that email reply rates had fallen sharply over several years. Simply increasing the number of messages sent won't necessarily produce proportionate improvements in sales results.

Startups with proprietary sales data, specialized industry knowledge, strong integrations, and measurable customer outcomes have a better chance of holding on to their customers.

Which AI sales agent startups could grow the most from here?

Gong, Apollo.io, Clay, Podium, and Retell AI currently have some of the strongest combinations of commercial scale and recent expansion, although they are growing through different business models.

Gong has already passed $500M ARR and reported rapid growth among large enterprise customers.

Apollo.io and Clay have expanded their estimated ARR substantially, benefiting from demand for better prospect data and automated sales workflows.

Podium has demonstrated more than $150M in AI-agent-specific ARR, with deployment expanding to more than 20,000 agents.

Retell AI has increased its estimated annualized revenue run-rate while handling more than 100 million calls each month.

Each has a different growth opportunity. Gong can sell more products to existing enterprise customers. Apollo.io and Clay can expand as teams automate more prospecting. Podium can deploy agents across additional local businesses, while Retell can benefit from increasing voice-agent usage across several industries.

Newer businesses are also worth watching.

Alta reported a $15M new revenue run-rate after 800% growth in less than a year. Artisan has crossed $7M ARR, while 1mind reached approximately $6M ARR by focusing on interactive product demonstrations and qualification.

Those companies are considerably smaller, and their long-term retention and profitability remain less established.

What are the top AI sales agent startups by revenue today?

monday.com is the highest-ranked AI sales agent startup by revenue today, followed by Gong, Fin (Intercom), Dialpad, and Outreach. Apollo.io, 6sense, Aircall, Clay, and Podium complete the top ten.

monday.com's $1.23B in 2025 annual revenue makes it the largest overall company in our ranking. Gong's more than $500M ARR makes it the largest specialist private sales software business we identified.

Fin, now part of Salesforce, ranks third with more than $400M ARR, although its historical business is heavily concentrated on customer support rather than autonomous selling.

Podium stands out for a different reason. Its more than $150M in dedicated AI-agent ARR gives us much clearer evidence of the commercial value of autonomous agents than the consolidated revenue figures reported by most larger competitors.

Retell AI is another business worth watching, with an estimated ~$80M annualized revenue run-rate and rapidly increasing call volume.

The wider market already includes dozens of startups generating millions in sales or recurring revenue, from outbound prospecting platforms to voice automation and conversational commerce.

But the highest revenue figures still largely belong to companies whose original products were broader than autonomous sales agents.