Best Natural Language Processing Companies in London, United Kingdom
The 38 best Natural Language Processing companies in London, United Kingdom in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Synthesia.
Ranked: Best Natural Language Processing companies in London
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Synthesia 🦄 Developer of software for generating videos using artificial intelligence avatars 96Fin. health top 14%Tech top 20%Funding top 21%Market top 24% All 13 signals ▾Fin. healthtop 14% Techtop 20% Fundingtop 21% Markettop 24% Growthtop 24% Innovationtop 25% Moattop 26% Talenttop 28% AItop 30% Producttop 34% Newstop 37% Globaltop 48% Partnersbottom 46% Fin. health: Revenue ~$74.6M · Revenue +127% YoY Tech: 74 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 rank vs industry peers · Fliar Intelligence Index 96/100 | $157M | 10 mo ago | 78 | Steffen Tjerrild Co-Founder & COO | WebflowApple iCloud MailGoogle Workspace+33 | Top 50k | — | 4 launchs |
| 2 | Poly Developer of conversational voice artificial intelligence agents for customer service 78News top 20%Funding top 24%Tech top 25%AI top 30% All 11 signals ▾Newstop 20% Fundingtop 24% Techtop 25% AItop 30% Moattop 31% Fin. healthtop 36% Growthtop 43% Markettop 44% Partnerstop 45% Talenttop 45% Globalbottom 45% News: 8 BI events in 12 mo (of 24 tracked, 3 types) · +700% YoY Funding: Raised $120M across 7 rounds · 7 rounds over 7 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 78/100 | $120M | 10 mo ago | 42 | Eddy Su Co-Founder | Cart FunctionalityWordPressApple iCloud Mail+33 | Top 500k | — | — |
| 3 | Trint Automated transcription to help various industries | $27M | 32 mo ago | 55 55 → 63 (+15%) | — | SentryTypeScriptNode.js+34 | Top 1M | 16 patents Collaborative real-time transcription and multi-language media generation/editing platforms | 1 expansion |
| 4 | Opendialog Ai AI-based conversational bots for customer support | $13M | 31 mo ago | 3 | Ronald Ashri Co-Founder | — | — | — | — |
| 5 | Vamstar Provider of AI solutions for commercial operations in the life sciences | $11M | 52 mo ago | 28 28 → 70 (+150%) | Praful Mehta Co-Founder and CEO | WordPressMySQLPHP+10 | Top 10M | — | — |
| 6 | Palabra Ai Provider of real-time AI speech translation for audio and video calls | $8M | 12 mo ago | — | Alexander Kabakov Co-Founder | SentryNode.jsTailwind CSS+20 | Top 5M | — | — |
| 7 | Scalpel Provider of the platform to manage surgical procedures 37AI top 22%Moat top 45%Innovation top 46%Patents top 49% All 8 signals ▾AItop 22% Moattop 45% Innovationtop 46% Patentstop 49% Talentbottom 49% Fundingbottom 47% Globalbottom 42% Marketbottom 25% AI: Classified as an AI company · Holds AI/ML patents (G06N-family CPC) Moat: Editorial + unicorn rating 5/10 · IP moat: 4 patents rank vs industry peers · Fliar Intelligence Index 37/100 | $5M | 22 mo ago | 8 | Yeshwanth Pulijala Founder & CEO | — | — | 4 patents Computer vision-based object detection and recognition for environmental perception systems. | — |
| 8 | My Voice Provider of voice-based biometric authentication solution | $3M | 71 mo ago | 9 | Ivar Line Co-Founder & CEO | PHPDebianNette Framework+10 | Top 10M | 9 patents Neural network speaker verification and anti‑spoofing for biometric authentication systems. | — |
| 9 | Neural Space Provider of AI-powered dubbing platform | $3M | 47 mo ago | 32 | Ayushman Dash Co-Founder & Co-CEO | WebflowGSAPStripe+27 | Top 10M | — | — |
| 10 | UhuraSolutions Platform offering contract lifecycle management software | $2M | 52 mo ago | 2 | — | WordPressMySQLPHP+31 | Top 50M | — | — |
| 11 | Auris Provider of automated speech recognition engine for children's voice | $2M | 85 mo ago | 8 | Lara Pierce Co-Founder | — | — | — | — |
| 12 | Kapiche Provider of a platform for analyzing and understanding customer feedback data | $2M | 84 mo ago | 21 | Ryan Stuart Co-Founder & CEO | StoryblokAlgoliaNode.js+25 | Top 5M | — | — |
| 13 | Cognitivplus Developer of AI-powered platform for document review and data extraction | $321K | 57 mo ago | 2 | — | — | — | — | — |
| 14 | TorqBak Twitter Marketing platform | $251K | 148 mo ago | — | Nick Sharples Founder | — | — | — | — |
| 15 | Evolution AI NLP based data management and text analytics solutions | $200K | 104 mo ago | 10 10 → 17 (+70%) | Martin Goodson Co-Founder & CEO | WebflowApple iCloud MailGoogle Workspace+32 | Top 5M | — | — |
| 16 | Kiroku AI and SaaS-based clinical documentation solutions for dentists | $138K | 39 mo ago | 5 | Jay Shah Chief Technology Officer & Co-founder | SentryFirebasestyled-components+20 | Top 5M | — | — |
Top 12 Natural Language Processing companies in London
#1
Series E · London, England · founded 2017 · 78 employees$156.6Mraised▾
Developer of software for generating videos using artificial intelligence avatars. This platform enables users to create video content by inputting text scripts that are converted into speech by digital characters. The software provides tools for editing, translating, and localizing video content into multiple languages. Users can customize visual elements, including branding, logos, and background styles. The system includes features for screen recording, version control, and team collaboration. The generated content is compatible with learning management systems for training and communication purposes.
- Oct 2025Series E$200M
- Apr 2025Series D—
- Jan 2025Series D$180M
- Jun 2023Series C$90M
#2
Series D · London, England · founded 2017 · 42 employees$120Mraised▾
Developer of conversational voice artificial intelligence agents for customer service. These software tools automate interactions by processing spoken language to handle inquiries, manage appointments, and resolve service requests. The technology integrates with existing enterprise systems to facilitate automated communication across voice, chat, and messaging channels. Engineering teams utilize provided development kits to build, deploy, and manage these automated agents within their own technical environments. The system tracks interaction metrics and provides analytical insights to monitor performance and manage automated workflows.
- Oct 2025Series D$86M
- Apr 2024Series C$50.2M
- Jun 2022Series B$40M
- Dec 2020Series B$14M
#3
Seed · London, England · founded 2023$8.4Mraised▾
Provider of real-time AI speech translation for audio and video calls. The system offers speech-to-speech interpreting for events, video calls, streaming, and API integration. It allows customization of ASR, translation, and TTS, including niche glossaries. The service is built on a proprietary language model, offering language addition and voice cloning. It is compatible with streaming solutions and protocols, providing translated captions. The system integrates with communication solutions for events, video calls, sales, customer support, and streaming.
- Aug 2025Seed$8.4M
#4
Series A · London, England · founded 2019 · 8 employees$4.8Mraised▾
Provider of the platform to manage surgical procedures The company develops a software robot OR Bot, a non-invasive sensor that gives real-time insights into patients' health activity, medical instrument utilization, staff workflow, and analysis on patients' health outcomes for better surgical productivity in hospitals. Machine learning and Natural language processing technology helps in identifying health risks to optimize patient safety.
- Nov 2024Series A$4.8M
- Jan 2022Seed—
#5
Series A · London, England · founded 2014 · 55 employees$27.2Mraised▾
Trint offers an online transcription software to transcribe audio to text. Offers an end-to-end platform for finding, creating and sharing content. It enables clients to realign timecodes in order to match the timing of the source recording and could export the highlighted areas. The software allows users to upload audio and video files and transcribe files using AI technology. The application is available on Apple App Store. It offers a subscription-based pricing model. Partnered with Cisco, Google, Knight Foundation and others.
- Jan 2024Series A—
- Jun 2023Series A$33.5K
- Nov 2022Series A$24.2K
- Jul 2022Series A$4.5M
#6
Series A · London, England · founded 2017 · 3 employees$13Mraised▾
AI-based conversational bots for customer support. The features of the product include live chat, multi-language support, analytics, AB testing, process automation, graph-based conversation mapping, etc. It provides integration with Whatsapp, Alexa, Google Home, Facebook Messenger, and Slack.
- Jan 2024Series A$8M
- May 2022Seed$5M
#7
Series A · London, England · founded 2019 · 28 employees$11.2Mraised▾
Provider of AI solutions for commercial operations in the life sciences. The company offers tools for tendering, pricing, market access, and contract management. It delivers data intelligence coverage and data orchestration technology. The company supports pharmaceutical, biotech, and medical device organizations. It helps organizations monitor, analyze, and respond to healthcare procurement opportunities.
- May 2022Series A$9.5M
- Dec 2020Seed$1.7M
- Jan 2020Seed—
#8
Seed · London, England · founded 2018 · 32 employees$2.8Mraised▾
Provider of AI-powered dubbing platform. It offer tools that let developers build custom multi lingual voice applications that enable businesses to communicate with customers.
- Sep 2022Seed$2.8M
#9
Seed · London, England · founded 2017 · 2 employees$2.3Mraised▾
Platform offering contract lifecycle management software. It leverages AI to make financial decisions. It helps financial institutions to review contracts and agreements and in decision making processes by using an AI platform that streamlines the process of analyzing and drafting contracts and agreements. It offers a contract review feature that sorts data and flags contracts based on criteria.
- Apr 2022Seed$1.8M
- Nov 2020Grant (prize money)—
- Jul 2019Seed$448.8K
- May 2018Seed—
#10
Series A · London, England · founded 2017 · 9 employees$3.2Mraised▾
MY VOICE is a provider of voice-based biometric authentication solution. It provides a user recognition platform based on voice acoustics analysis and audio-visual identity verification. It provides a ubiquitous alternative for biometric authentication. It can be used for secure in-vehicle payment, ride-sharing authentication, authentication for physical access, and vehicle access.
- Oct 2020Series A$3.2M
#11
Seed · London, England · founded 2015 · 8 employees$2.1Mraised▾
Auris Tech provides an automated speech recognition engine to understand children's read speech. The company claims that the technology evolves using machine learning processes to deliver an accuracy of over 91%. It has applications in the areas of education, health, language, entertainment, and other sectors. The company, using their proprietary technology, has developed Fonnetti, which is an application that listens to children reading aloud and encourages them by highlighting the words they get right and pointing out any that are missed-out or incorrectly spoken. The technology has been developed in partnership with the University of Edinburgh’s School of Informatics.
- Aug 2019Seed$621K
- Jan 2019Seed$170.1K
- Apr 2018Seed$183.1K
- Jul 2017Seed$863K
#12
Seed · London, England · founded 2014 · 21 employees$1.8Mraised▾
Provider of a platform for analyzing and understanding customer feedback data. The platform connects various data sources, including support tickets, surveys, and reviews, to provide actionable insights. It uses artificial intelligence to identify trends, root causes, and predict churn across different channels. The platform aims to help businesses reduce costs, improve customer satisfaction, and drive revenue growth through smarter support operations.
- Sep 2019Seed$1.8M
- Jan 2019Seed—
- Nov 2017Seed$60K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Natural Language Processing coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Nlp in London is moving
A read on the academic research around Nlp in London — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 274 papers.
- University College London95
- King\'s College London52
- Imperial College London48
- Queen Mary University of London31
- University of London10
- Language model1→11
- Set (abstract data type)1→10
- Task (project management)2→7
- Semantics (computer science)2→7
- Representation (politics)2→7
- Social media1→8
- Text messaging1→3
- Natural language2→3
- Sentiment analysis3→4
- Context (archaeology)1→5
- Set (abstract data type)1→3
- Task (project management)1→3
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.