STELLA Automotive AI

AI agents for car dealerships to automate phone calls, appointments, and lead follow-up.

Cover Block

From the public record

Field	Value
Name	STELLA Automotive AI
Tagline	AI agents for car dealerships to automate phone calls, appointments, and lead follow-up.
Headquarters	Tampa, United States [STELLA Automotive AI, 2026]
Founded	2022 [Dealroom.co, 2026]
Stage	Series B [Yahoo Finance, September 2026]
Business model	SaaS [Dealroom.co, 2026]
Industry	Other [Dealroom.co, 2026]
Technology	AI / Machine Learning [Dealroom.co, 2026]
Geography	North America [Dealroom.co, 2026]
Growth profile	Venture Scale [Dealroom.co, 2026]
Funding label	$10M+ [Dealroom.co, 2026]
Total disclosed funding	Approximately $26.1 million [Yahoo Finance, September 2026] [LeadIQ, 2026]

The Short Version

PUBLIC STELLA Automotive AI builds AI agents for car dealerships, and it merits investor attention now because it paired a dealership-specific workflow pitch with a $22.1 million Series B in August 2026 led by customer Maroone USA [Yahoo Finance, September 2026]. Public reporting describes a Tampa-based company founded in 2022 that focuses on a narrow but operationally important pain point for dealers: missed inbound calls, appointment scheduling, and lead follow-up that can leak demand if handled inconsistently [Yahoo Finance, September 2026] [STELLA Automotive AI, 2026].

The product set appears built around that dealership call center problem. Yahoo Finance reports that the software answers phone calls, books sales and service appointments, and follows up with sales leads, while Catalyst adds outbound calls and texts; company materials also reference STELLA Reception and STELLA Service as distinct workflow products [Yahoo Finance, September 2026] [PRNewswire, October 2023] [STELLA Automotive AI, 2026]. The differentiation, based on public evidence, is less about a general-purpose model layer and more about packaging conversational AI into dealership systems and use cases, including a Microsoft collaboration and selection for General Motors' In-Market Retail program, though those partnership claims remain company-sourced or press-release sourced [PRNewswire, February 2024] [PRNewswire, October 2023] [Automotive-Technology.com, 2024].

Leadership visibility is still thinner than investors would usually want at this stage. Public materials confirm Fred Seidelman as CTO, appointed in October 2024, and reporting indicates that William Knowles of Maroone USA and Brodie Cobb of The Presidio Group sit on the board, which suggests the company has brought dealer and auto-retail capital close to governance even if founder background is not established in the available sources [PRNewswire, October 2024] [LinkedIn, 2026] [The Auto Wire, September 2026].

On financing, the picture is directionally clear even if the historical round record is not fully reconciled across sources. Yahoo Finance reports a $4 million 2023 financing and the August 2026 Series B, while Tampa Bay Business & Wealth cites a mid-June 2026 regulatory filing showing roughly $22 million raised from 29 investors with capacity to reach nearly $26 million; the business model is presented as SaaS sold into dealership groups [Yahoo Finance, September 2026] [Tampa Bay Business & Wealth, September 2026]. Over the next 12 to 18 months, the central question is whether STELLA can convert dealer-backed momentum into repeatable commercial expansion while stabilizing workforce trajectory, since Revelio Labs shows headcount contraction between 2023 and 2026 even as capital formation accelerated [Revelio Labs, 2026].

Single-source, plausible -- This section relies on one independent news report for core company description and funding, with partial corroboration from a second publication, LinkedIn, and company materials.

Taxonomy Snapshot

Axis	Value
Stage	Series B
Business Model	SaaS
Industry / Vertical	Other
Technology Type	AI / Machine Learning
Geography	North America
Growth Profile	Venture Scale
Funding	$10M+ (total disclosed approximately $26.1M)

The Company in Brief

PUBLIC

The public record on STELLA Automotive AI is thinner on origin details than on recent financing, but the operating outline is clear enough to place the company. STELLA Automotive AI is headquartered in Tampa, Florida and was founded in 2022, according to the company website and Dealroom profile cited in the source pack; the company describes itself as building AI software for automotive retail workflows, with its current site centered on dealership phone handling, appointment booking, and customer engagement products [STELLA Automotive AI, 2026] [Dealroom.co, 2026].

The milestone trail that is verifiable from company-controlled sources starts in October 2023, when STELLA announced STELLA Reception, a customer service product for dealerships, and said it had been selected for General Motors' In-Market Retail program [PRNewswire, October 2023]. In February 2024, the company announced a collaboration with Microsoft tied to Azure AI services for automotive retail use cases, which suggests an early emphasis on distribution and infrastructure partnerships alongside product buildout [PRNewswire, February 2024]. By October 2024, STELLA had added Fred Seidelman as chief technology officer, a notable management hire as the company moved from product launch messaging toward scaled commercialization [PRNewswire, October 2024] [LinkedIn, 2026].

The more recent public markers point to a company entering a later venture phase. Yahoo Finance reported that STELLA closed a $22.1 million Series B in August 2026 led by Maroone USA, a dealership group that also uses the product, and Tampa Bay Business & Wealth reported that a related regulatory filing indicated roughly $22 million raised from 29 investors by mid-June 2026, with capacity to raise nearly $26 million in total [Yahoo Finance, September 2026] [Tampa Bay Business & Wealth, September 2026]. Those financing details sit outside company-website sourcing, but they help frame the chronology: STELLA appears to have progressed from product introduction in 2023, to ecosystem partnerships in 2024, to a dealer-backed growth round in 2026 [Yahoo Finance, September 2026].

Single-source, plausible -- Core company identity is corroborated by the company website and Dealroom, but founding-story and legal-entity detail are limited in the cited Crunchbase, company-site, and filing-grounded materials used here.

What They Have Built

MIXED

The product surface is narrow enough to describe plainly: STELLA Automotive AI sells software to car dealerships that handles inbound phone calls, books sales and service appointments, and follows up with sales leads, according to recent coverage of the company and its financing [Yahoo Finance, September 2026]. Public materials break that into named modules. STELLA Reception was introduced in 2023 as a customer-service product for dealerships [PRNewswire, October 2023], STELLA Service is presented on the company site as a workflow for automating service booking [STELLA Automotive AI, 2026], and Catalyst is described in both press coverage and company materials as an outbound calling and texting product for proactive customer outreach [Yahoo Finance, September 2026] [STELLA Automotive AI, 2026].

The technical positioning is also fairly specific, if most of it remains company-described. STELLA has said it offers an AI-powered conversational assistant for dealership voice interactions [PRNewswire, February 2024], and public descriptions of STELLA Service say it can let customers book, confirm, and manage appointments autonomously while integrating with a service scheduler or dealer management system [Microsoft Marketplace, 2026]. That matters because the product claim is not merely generic call summarization or chatbot support. The company is presenting an operational system intended to sit inside dealership customer-contact workflows, with telephony, scheduling, and outbound engagement as the core jobs to be done [Yahoo Finance, September 2026] [Microsoft Marketplace, 2026].

The most relevant external signal is the set of distribution and infrastructure relationships STELLA has publicly discussed, though these should be treated carefully because they are largely company-announced. The company said in 2023 that it was selected for General Motors' In-Market Retail program [PRNewswire, October 2023]. In 2024 it also announced a collaboration with Microsoft, with multiple published accounts stating that STELLA's products integrate with Azure AI services and Azure OpenAI Service to extend its voice-assistant capabilities [PRNewswire, February 2024] [Automotive-Technology.com, 2024] [MSDynamicsWorld.com, 2024]. Those announcements do not, by themselves, prove dealership-wide adoption or technical superiority, but they do suggest STELLA is building around existing enterprise infrastructure rather than selling a stand-alone consumer AI tool.

Unconfirmed -- Product descriptions rely heavily on company materials and press releases, with limited independent technical verification beyond Yahoo Finance's description of the software surface [Yahoo Finance, September 2026] [PRNewswire, October 2023] [STELLA Automotive AI, 2026].

Market Size and Demand

PUBLIC The market matters now because dealership customer communication is moving from labor-constrained call handling toward software-mediated workflows, and STELLA is positioned inside that shift rather than outside it [Yahoo Finance, September 2026] [PRNewswire, February 2024].

The direct market, narrowly defined, is dealership communication and service-booking software that automates inbound calls, appointment scheduling, and follow-up inside auto retail [Yahoo Finance, September 2026] [Microsoft Marketplace, 2026]. No named third-party TAM, SAM, or SOM figures were provided in the available source set for this exact category, so any sizing has to be handled through adjacent markets rather than presented as a precise market model. That restraint matters here because the company is selling into a specific operational wedge, car dealerships, even if the enabling technology sits inside the broader conversational AI and contact-center software stack [PRNewswire, February 2024] [Automotive-Technology.com, 2024].

Demand drivers are clearer than market size. The company and its distribution partners consistently frame the problem as missed calls, underused service lanes, and uneven lead follow-up at dealerships, with STELLA's products built to answer calls, book sales and service appointments, and initiate outbound contact by voice and SMS [Yahoo Finance, September 2026] [STELLA Automotive AI, 2026] [V20 Group Marketplace, 2026]. One marketplace listing states that the average dealership risks more than $1.1 million annually because one in three service calls go unanswered, but that figure is company-distributed and should be read as directional rather than independently established market evidence [Microsoft Marketplace, 2026].

A second tailwind is platform readiness. STELLA's public positioning around Microsoft Azure AI Services and Azure OpenAI suggests that dealership buyers are being offered an application-layer workflow product, not a requirement to assemble core AI infrastructure themselves [PRNewswire, February 2024] [MSDynamicsWorld.com, 2024]. In practical terms, that can shorten adoption cycles in vertical software markets where buyers care more about call coverage, scheduler integration, and booked appointments than model provenance [PRNewswire, October 2023] [Microsoft Marketplace, 2026].

Adjacent markets broaden the opportunity set but also define the substitute set. STELLA sits near contact-center automation, conversational AI, CRM follow-up tools, and dealership-specific retail software, which means budget can come from service BDC staffing, lead-response tooling, phone systems, or broader dealer operations software rather than from a single fixed software line item [Yahoo Finance, September 2026] [PRNewswire, October 2023]. That adjacency is favorable if the product proves measurable ROI, but it also means the company competes against internal labor processes and incumbent dealership software workflows, not only against other AI vendors [STELLA Automotive AI, 2026] [The Auto Wire, September 2026].

Regulatory and macro forces are present, though the public evidence is thinner than on product demand. The August 2026 Series B and the June 2026 regulatory fundraising disclosure cited by Tampa Bay Business & Wealth indicate that investors see dealership AI as financeable despite a tighter late-stage funding climate for vertical software than in the prior cycle [Tampa Bay Business & Wealth, September 2026] [Yahoo Finance, September 2026]. At the operating level, dealership software that touches consumer communications, appointment records, and outbound messaging also sits near familiar compliance areas such as consent management and integration discipline, although the source set here does not establish STELLA's specific posture on those issues and they should be treated as diligence items rather than observed constraints [Microsoft Marketplace, 2026] [STELLA Automotive AI, 2026].

Market lens	Sizing or signal	Interpretation
Dealership service-call leakage	Over $1.1M annual revenue risk per average dealership, according to marketplace listing [Microsoft Marketplace, 2026]	Company-distributed demand signal, useful directionally but not independent TAM evidence
STELLA regulatory fundraising disclosure	Approximately $22M sold to 29 investors by mid-June 2026, with potential to raise nearly $26M [Tampa Bay Business & Wealth, September 2026]	Investor appetite suggests perceived category depth in dealership AI
Workforce trend	58 employees in 2023, 52 in 2024, and 42 in 2026 according to Revelio Labs [Revelio Labs, 2026]	Indicates a company operating in a real but still maturing vertical market

The table points to a market that is easier to validate through workflow pain and investor behavior than through clean third-party sizing. For now, the public record supports a credible niche category with adjacent expansion paths, but not a fully quantified market map.

Unconfirmed -- This section relies partly on independent reporting from Yahoo Finance and Tampa Bay Business & Wealth, but its core market-demand and product-market framing uses company, partner, and marketplace sources without a named third-party market-sizing report.

Who Else Is Fighting for This

MIXED STELLA Automotive AI sits in a crowded but still unsettled part of dealership software, where the immediate comparison set spans dealership-specific voice automation vendors, broader conversational AI platforms, and incumbent retail software vendors that can bundle adjacent workflow tools [Yahoo Finance, September 2026] [PRNewswire, February 2024].

Company	Positioning	Stage / Funding	Notable Differentiator	Source
STELLA Automotive AI	AI agents for car dealerships handling inbound calls, appointment booking, lead follow-up, and outbound voice and SMS through Catalyst	Series B, disclosed funding of about $26.1M	Dealer-focused product suite and backing from dealership groups including Maroone USA	[Yahoo Finance, September 2026]; [Tampa Bay Business & Wealth, September 2026]
Saarthi.ai	Named competitor in automotive AI outreach and dealership workflows	Stage not confirmed in supplied public research	Automotive-focused positioning appears to overlap with STELLA's lead engagement use case, but differentiation was not substantiated in the supplied sources	[Structured Facts]
Cognigy	Enterprise conversational AI platform	Stage not confirmed in supplied public research	Horizontal platform breadth across industries, which can matter in larger contact center deployments	[Structured Facts]
Outsell	Automotive customer engagement and marketing software	Stage not confirmed in supplied public research	Adjacent access to dealership marketing and retention workflows rather than voice-first automation alone	[Structured Facts]
Xtime	Service scheduling and fixed-ops workflow software used in automotive retail	Stage not confirmed in supplied public research	Strong adjacency to service lane scheduling, an area STELLA Service is also targeting	[Structured Facts]; [Microsoft Marketplace, 2026]

The field breaks into three practical groups. First are dealership-specific challengers, where STELLA appears to belong, focused on answering calls, capturing leads, and moving customers into appointments inside an automotive workflow [Yahoo Finance, September 2026] [PRNewswire, October 2023].

STELLA's clearest edge today appears to be distribution through the dealership channel rather than model novelty. The August 2026 Series B was led by Maroone USA, and the disclosed investor list includes multiple dealer groups and automotive-adjacent backers, which suggests the company has customer-proximate capital and board access in the exact segment it sells into [Yahoo Finance, September 2026] [Tampa Bay Business & Wealth, September 2026]. That can shorten product feedback loops and support reference selling in a trust-driven market, but it is a perishable edge if larger incumbents replicate the workflow inside systems dealers already use, or if horizontal AI platforms close the automotive-specific tuning gap.

The main exposure is that STELLA does not appear, from the supplied public record, to control a system-of-record layer.

Over the next 18 months, the most plausible scenario is continued fragmentation rather than a single category winner. STELLA is the likely winner if dealership groups keep buying point solutions that show fast labor and missed-call ROI, especially if investor-customers such as Maroone USA continue to act as both proof points and channel validators [Yahoo Finance, September 2026]. Xtime is the likely winner if AI buying collapses into the existing service workflow stack, where scheduling adjacency and incumbent integrations outweigh a specialist voice layer; under that scenario, smaller dealership AI challengers such as Saarthi.ai

Opportunity

PUBLIC The prize here is straightforward: if STELLA becomes the system dealerships trust to capture inbound demand and automate follow-up, it could grow from a point solution into a workflow layer that sits close to revenue for a large share of U.S. auto retail [Yahoo Finance, September 2026] [Tampa Bay Business & Wealth, September 2026].

The headline opportunity is not merely call automation. It is owning the customer-interaction layer for dealerships across sales and service, where missed calls, weak follow-up, and fragmented scheduling translate directly into lost appointments and under-monetized demand, according to STELLA's marketplace materials and product descriptions [Microsoft Marketplace, 2026] [STELLA Automotive AI, 2026]. That outcome is reachable, not just aspirational, because the public record already shows three ingredients that matter in this category: the company has dealership-specific products across inbound and outbound use cases, it has at least one dealer-group investor-customer in Maroone USA, and it has raised a $22.1 million Series B led by that customer, alongside earlier support from other dealer groups and automotive investors [Yahoo Finance, September 2026] [Tampa Bay Business & Wealth, September 2026] [The Auto Wire, September 2026]. In practical terms, the most credible upside case is that STELLA becomes embedded operating software for dealer communications rather than remaining a narrow AI receptionist.

The public evidence supports a few distinct paths to scale, and they are not all the same bet.

Scenario	What happens	Catalyst	Why it's plausible
Dealer-group standardization	Large auto retail groups standardize on STELLA for inbound calls, service scheduling, and lead follow-up across rooftops	The August 2026 Series B led by Maroone USA, with participation from dealer and automotive investors, signals buyer-side validation and can accelerate peer adoption [Yahoo Finance, September 2026] [Tampa Bay Business & Wealth, September 2026]	STELLA already sells directly into dealerships and has investor alignment with multiple automotive groups, which can shorten trust-building in a category where workflow disruption is costly [Yahoo Finance, September 2026]
Multi-product expansion inside the same account	STELLA starts with reception or service and expands into outbound engagement through Catalyst, increasing wallet share per dealership	The rollout of Catalyst for outbound calls and texts broadens the product surface beyond inbound automation [Yahoo Finance, September 2026] [STELLA Automotive AI, 2026]	The current product set already spans reception, service, and outbound engagement, which gives the company a visible land-and-expand motion if integrations and ROI hold up [PRNewswire, October 2023] [Microsoft Marketplace, 2026]
Preferred AI layer within OEM and ecosystem programs	STELLA uses automaker or platform relationships to become a recommended dealership AI workflow layer	Selection for General Motors' In-Market Retail program and the Microsoft collaboration create distribution and credibility markers, even if neither guarantees volume [PRNewswire, October 2023] [PRNewswire, February 2024]	Dealership software adoption often follows trusted channels. GM program inclusion and Azure-based positioning can help STELLA clear procurement and technical-comfort hurdles faster than a stand-alone startup might [Automotive-Technology.com, 2024] [MSDynamicsWorld.com, 2024]

The compounding logic rests on workflow depth and distribution credibility. If one dealership product proves useful, STELLA has a path to layer on adjacent automations, first for inbound calls, then appointment booking, then lead follow-up, then outbound reactivation through Catalyst, all inside the same dealer relationship [Yahoo Finance, September 2026] [STELLA Automotive AI, 2026]. That matters because dealership software can become sticky when it touches customer communications, service scheduling, and DMS-connected processes, and STELLA's public materials position Service as integrated with a service scheduler or dealer management system [Microsoft Marketplace, 2026].

There is also an early signal that distribution could compound through customers who become investors. Maroone USA is both a user and the lead investor in the 2026 Series B, and William Knowles, COO of Maroone USA, sits on STELLA's board according to Yahoo Finance and his LinkedIn profile [Yahoo Finance, September 2026] [LinkedIn, 2026]. That does not prove a repeatable channel, but it is one of the cleaner public indicators that product utility may be translating into strategic alignment, which is often how vertical software companies deepen their position in conservative end markets.

The size of the win is harder to pin down because no confirmed market-size dataset is in the public source set, and there is no public valuation benchmark for STELLA itself. Still, the category outcome can be framed credibly: if the company becomes a meaningful system of record for dealership communications across major dealer groups, the endpoint looks more like a scaled vertical AI software platform than a single-feature voice bot, particularly given its expanding product set and strategic-capital base [Yahoo Finance, September 2026] [PRNewswire, February 2024]. On that scenario, not a forecast, the company could plausibly support enterprise-value outcomes associated with category-leading vertical SaaS assets if it proves broad deployment, product expansion, and durable integration into dealership workflows. Public evidence today is sufficient to support the direction of that upside, but not a firm valuation range.

Single-source, plausible -- This section relies on one independent news source set for funding and customer-investor validation, plus company and press-release materials for product scope and partnership claims.

Sources