SLNG LTD

Based in the UK, SLNG LTD specializes in advanced speech AI infrastructure solutions that empower businesses to effectively integrate voice technologies into their applications, enhancing communication experiences. SLNG LTD is a speech AI technology company founded in 2025 and headquartered in London, UK. The company focuses on providing speech-to-text, text-to-speech, diarization, and speech cloning capabilities. Recently, on October 15, 2025, SLNG raised GBP 2.

8 million in a funding round led by Earlybird Venture Capital,Other unspecified investors also participated in the round. marking a pivotal moment in their financial development. This funding is aimed at enhancing their platform to support a broader array of languages and regulatory compliance across international markets. SLNG offers a comprehensive suite of speech AI infrastructure solutions that enable businesses to integrate advanced voice technologies seamlessly into their applications.

Their core offerings include Speech-to-Text, Text-to-Speech, diarization, and speech cloning capabilities, all accessible through a unified global API. These products are designed to facilitate real-time voice interactions across various sectors, catering to an extensive range of languages, dialects, and professional jargon. SLNG aims to solve the challenges of latency, compliance, and cost-effectiveness in deploying multilingual voice solutions. Their infrastructure serves clients in diverse geographical markets, including North America, Europe, Asia, and the Middle East, supporting industries such as finance, healthcare, and customer service, where real-time communication is essential.

SLNG's revenue model is built on transparent, per-minute pricing for its speech AI services, allowing clients to pay solely for their usage without hidden fees or minimum charges. Business transactions typically occur through direct integrations of their APIs and SDKs, enabling clients to incorporate SLNG's solutions into their existing platforms, thus enhancing their operational capabilities. The company caters primarily to B2B clients, which encompass a wide array of organizations from startups to large enterprises, all seeking scalable voice solutions. With built-in cost caps and real-time usage dashboards, clients can monitor their expenses effectively while scaling their use of SLNG's offerings.

The combination of flexible pricing plans and robust product features positions SLNG as a competitive player in the speech AI market. In October 2025, SLNG. ai raised GBP 2. 8 million in venture funding led by Earlybird VC.

Other unspecified investors also participated in the round. The company plans to utilize this funding to build a globally compliant, developer-first voice AI platform that supports languages beyond English and enables deployment across regulated international markets. This initiative aims to expand their product offerings and enhance the usability of their solutions across various regions.