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AI/ML

Doubleword

Efficient self-hosted AI inference solutions

CORE INFO

$14.8M
Total Funding
Series A
Round
2021
Founded
11-50
Team Size
London, United Kingdom
Headquarters

Doubleword is a London-based technology company that provides enterprises with self-hosted AI inference solutions, allowing them to securely deploy and manage AI models within their own infrastructure, ensuring data privacy and cost efficiency.

  • Doubleword's latest funding round was a Series A-II on April 16, 2026, with participation from the UK Sovereign AI Fund.cbinsights.com
  • Sifted reported on Doubleword's mission to make AI 100x cheaper every year, highlighting an interview with CEO Meryem Arik.sifted.eu

WHY WE WOULD WORK AT DOUBLEWORD

Innovative AI Solutions

Join a team pioneering self-hosted AI inference solutions that empower enterprises to manage and scale AI models securely, ensuring data privacy and cost efficiency.

Collaborative Culture

Work alongside a small, dynamic team of 11-50 employees where every voice matters, fostering a collaborative environment that encourages innovation and creativity.

Cost-Optimized Services

Be part of a company that provides cost-optimized asynchronous and batch AI inference services, helping clients like UnaGo AI achieve 50-80% savings on background tasks.

Cutting-Edge Technology

Utilize advanced technologies like TensorRT-LLM and Rust-based control layers to enhance AI deployment, ensuring you stay at the forefront of AI and machine learning.

Recognized Growth

Benefit from being part of a rapidly growing startup that has raised $14.8 million in funding, positioning itself as a leader in the AI inference market.

Impactful Work

Contribute to meaningful projects that enable enterprises across various industries, including healthcare and technology, to leverage AI effectively and securely.

MARKET AND TRACTION

TOTAL ADDRESSABLE MARKET

  • Doubleword's solutions cater to enterprises across various industries, including technology, healthcare, and manufacturing.

  • The demand for self-hosted AI inference solutions is growing as businesses seek to enhance data privacy and reduce reliance on external providers.
  • NOTABLE CUSTOMERS

  • nPlan: Utilized Doubleword's batch inference to scale agentic evaluations and dataset generation.

  • Ken AI: Relied on Doubleword for reliable and fast batch jobs with a clean async API.

  • OpenMed: Employed Doubleword's API for large-scale batch annotation, making extensive annotation passes economically viable.
  • KEY METRICS

    ✦ KEY METRIC
  • Total Funding: Doubleword has raised a total of $14.8 million over six funding rounds.

  • Team Size: The company has grown to a team of 11-50 employees since its founding in 2021.

  • Latest Funding Round: The most recent funding round was a Series A-II on April 16, 2026.
  • GROWTH TACTICS

  • Doubleword focuses on expanding its international presence, particularly in the US market, following its Series A funding.

  • The company emphasizes cost-optimized asynchronous and batch AI inference services to attract enterprises looking to reduce operational costs.
  • COMPETITIVE ADVANTAGE

  • Doubleword's self-hosted AI inference platform ensures data privacy and security, which is a significant concern for enterprises.

  • The centralized control layer provides governance and visibility across AI usage, setting Doubleword apart from competitors.
  • PRODUCT AND TECH

    Self-Hosted AI Inference Platform

    Doubleword's self-hosted AI inference platform allows enterprises to securely deploy, manage, and scale AI models within their own infrastructure, ensuring data privacy and reducing dependence on external providers.

    Cost-Optimized Inference Solutions

    The company offers asynchronous and batch AI inference services, enabling businesses to process large-scale workloads at significantly lower costs compared to traditional real-time inference methods.

    Centralized Control Layer

    Doubleword's control layer provides centralized visibility and governance across all AI usage, featuring built-in authentication, role-based access control, logging, and usage metering to enhance security and management.

    Optimized Inference Stack

    The inference stack consists of five optimized layers—Gateway, Scheduling & Orchestration, Runtime Engine, Model, and Hardware—designed to maximize throughput and efficiency in AI processing.

    Flexible Hardware Infrastructure

    Utilizing a cost-optimized infrastructure compatible with various NVIDIA GPUs, Doubleword's technology stack supports the deployment of advanced AI models, enhancing performance and scalability.

    COMPANY CULTURE

    Values

  • Commitment to data privacy and security

  • Focus on efficiency and cost-effectiveness

  • Emphasis on scalability for enterprise solutions

  • Innovation in AI and machine learning technology

  • Collaboration and teamwork among a small, dedicated team
  • Operating Principles

  • Prioritize self-hosted solutions to reduce external dependencies

  • Foster a culture of transparency and centralized governance

  • Encourage continuous improvement and optimization of AI inference

  • Maintain a client-centric approach to product development
  • Learning & Growth

  • Support for professional development and skill enhancement

  • Opportunities for team members to engage in AI research and innovation

  • Regular knowledge-sharing sessions to foster collaboration

  • Encouragement of feedback and open communication within the team
  • Work Style

  • Agile and adaptable work environment

  • Focus on remote collaboration tools to support a distributed team

  • Emphasis on results-driven performance rather than micromanagement

  • Flexibility in work hours to accommodate diverse team needs
  • Team Cadence

  • Regular team meetings to align on goals and progress

  • Bi-weekly check-ins to discuss challenges and achievements

  • Monthly brainstorming sessions to foster innovation

  • Annual retreats to strengthen team bonds and culture