List of AssemblyAI Customers
San Francisco, 94114, CA,
United States
Since 2010, our global team of researchers has been studying AssemblyAI customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased AssemblyAI for Speech Recognition AI from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using AssemblyAI for Speech Recognition AI include: Calabrio, a United States based Professional Services organisation with 770 employees and revenues of $220.0 million, Siro, a United States based Professional Services organisation with 80 employees and revenues of $20.0 million, Delphi AI, a United States based Professional Services organisation with 50 employees and revenues of $6.0 million and many others.
Contact us if you need a completed and verified list of companies using AssemblyAI, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The AssemblyAI customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight | Insight Source |
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Calabrio | Professional Services | 770 | $220M | United States | AssemblyAI | AssemblyAI | Speech Recognition AI | 2025 | n/a | In 2025, Calabrio implemented AssemblyAI as its transcription service in the category to improve contact center transcription accuracy, speaker diarization, and compliance across regions including EU deployments. The implementation targeted Calabrio’s conversation intelligence and workforce optimization product lines and impacted product management, engineering, and customer experience teams. AssemblyAI was positioned as the core transcription engine within Calabrio’s transcription pipeline to support ongoing product roadmap acceleration and global expansion. AssemblyAI was configured to deliver improved transcription accuracy and speaker diarization capabilities, with tuning for domain-specific language models and diarization thresholds to separate multi-party calls. Configuration included data residency controls and compliance settings for EU deployments to address regional data protection requirements. The AssemblyAI integration focused on embedding transcription outputs into Calabrio’s conversation intelligence workflows and analytics modules to enrich downstream quality assurance and CX analytics. Governance centered on process changes for data handling and compliance verification, with operational ownership assigned to product and platform teams to manage configuration, model updates, and regional compliance. The deployment of AssemblyAI supported Calabrio’s product roadmap by enabling faster iteration on transcription-dependent features and simplifying global rollout to EU regions. Reported outcomes from the implementation included major improvements in customer experience metrics, an 80% boost in customer satisfaction, and a reported 22% revenue increase. | |
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Delphi AI | Professional Services | 50 | $6M | United States | AssemblyAI | AssemblyAI | Speech Recognition AI | 2025 | n/a | In 2025, Delphi AI implemented AssemblyAI in its audio and video processing pipeline under the Apps Category , to transcribe and label source media used for training interactive expert and creator clones in a knowledge and learning use case. The implementation anchored transcription and automated labeling as core services feeding Delphi AI’s digital-clone training workflow, with AssemblyAI providing the speech-to-text and annotation outputs consumed directly by model training pipelines. Configuration centered on automated transcription, time-aligned labeling, and language detection to produce structured training assets for clone creation. AssemblyAI was configured to output labeled transcripts and metadata for audio and video files, supporting iterative training cycles and reducing manual annotation effort while maintaining alignment with Delphi AI’s clone training orchestration. AssemblyAI integrated into Delphi AI’s clone-training pipeline and was used by ML engineering and content processing teams to standardize input data for model training. The AssemblyAI implementation expanded Delphi AI’s language support by a reported 16x and reduced clone training time by about 50 percent, improving content processing throughput and enabling broader global reach for Delphi AI’s interactive clones. | |
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Siro | Professional Services | 80 | $20M | United States | AssemblyAI | AssemblyAI | Speech Recognition AI | 2025 | n/a | In 2025 Siro integrated AssemblyAI to transcribe noisy, in-person sales recordings and perform speaker diarization, embedding accurate conversation capture into its AI coaching platform for field sales. The deployment targeted the Apps Category and was designed to improve the fidelity of coaching insights and analytics at scale. AssemblyAI was configured to deliver automated transcription and speaker diarization modules that produce time-aligned transcripts and speaker labels for Siro's coaching pipelines. The implementation emphasized transcript normalization and speaker attribution to ensure downstream coaching models and analytics receive structured, queryable conversation data. Operational scope focused on field sales coaching, sales operations, and analytics teams within Siro's United States operations, where in-person meeting capture is a primary data source. The AssemblyAI outputs were routed into Siro's coaching workflows and analytics layers to support coaching review, conversation scoring, and evidence-based coaching recommendations. Rollout included staged ingestion of recorded sessions and validation of diarization accuracy as part of QA governance, with process changes centralizing transcript review and coaching feedback loops. Siro reported outcomes tied to the AssemblyAI integration, including an approximately 90% reduction in support tickets and reported sales improvements of about 40% growth and a 36% improvement in close rate. |
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