How Much Did Signal AI Raise? Funding & Key Investors

Date
April 25, 2025
Signal AI

Total amount raised

$101.6 Millions

Latest funding date

12/01/2021

Signal AI

Location

Title

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http://www.signal-ai.com
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Signal AI has successfully raised significant funding through multiple rounds, with the latest being a Series D round closed on December 15, 2021. The company is backed by 20 investors, including Mercuri and MMC Ventures.

Signal AI leverages augmented AI to transform decision-making for business leaders, offering solutions in risk and reputation intelligence. Keep reading to explore the intricacies of Signal AI's fundraising journey and the investors backing this innovative platform.

What Is Signal AI?

Signal AI, founded in 2013, is headquartered in London, England. The company operates in the fields of artificial intelligence, business intelligence, enterprise software, and machine learning. It was established by David Benigson, Miguel Martinez, and Wesley Hall.

With an employee count ranging from 101 to 250, Signal AI focuses on transforming decision-making for business leaders through augmented AI. Their AIQ platform aggregates, analyzes, and provides insights into digital, print, and broadcast media, news, and regulatory data, enabling businesses to make smarter, faster decisions.

How Much Funding Has Signal AI Raised?

  1. Seed Round
    • Amount Raised: $1.4M
    • Date: October 2015
    • Lead Investors: Alex Northcott
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To kickstart the development of their AI platform and establish initial market presence.
  2. Seed Round
    • Amount Raised: $1.8M
    • Date: March 2015
    • Lead Investors: Frontline Ventures
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To further develop their technology and expand their team.
  3. Series A
    • Amount Raised: $7.4M
    • Date: December 2016
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To scale their AI platform and enhance product offerings.
  4. Venture Round
    • Amount Raised: Not publicly disclosed
    • Date: January 2017
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To support ongoing operations and product development.
  5. Debt Financing
    • Amount Raised: Not publicly disclosed
    • Date: June 2017
    • Lead Investors: Kreos Capital
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To provide working capital and support business growth.
  6. Series B
    • Amount Raised: $16M
    • Date: June 2018
    • Lead Investors: Mercuri
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To expand their market reach and enhance AI capabilities.
  7. Series C
    • Amount Raised: $25M
    • Date: October 2019
    • Lead Investors: Redline Capital
    • Valuation at Round: $100M
    • Motivation Behind the Round: To scale operations and enter new markets.
  8. Series C
    • Amount Raised: Not publicly disclosed
    • Date: June 2021
    • Lead Investors: Not publicly disclosed
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To continue growth and development of their AI platform.
  9. Series D
    • Amount Raised: $50M
    • Date: December 2021
    • Lead Investors: Highland Europe
    • Valuation at Round: $200M
    • Motivation Behind the Round: To attract top-tier AI talent, scale the AIQ platform, and grow international hubs.

Total Amount Raised: $101.6M. Current Valuation: $200M.

Key Investors

  • Highland Europe
    • Details: Highland Europe is a venture capital firm that focuses on growth-stage technology companies in Europe. They led the Series D funding round for Signal AI.
    • Investment Focus Areas: Growth-stage technology companies, software, internet companies.
    • Notable Investments: WeTransfer, Huel, Zwift.
  • Redline Capital
    • Details: Redline Capital Management is an investment firm that focuses on technology and innovation-driven companies. They led Signal AI’s Series C funding round in 2019.
    • Investment Focus Areas: Technology, innovation-driven companies.
    • Notable Investments: Onfido, Contentful.
  • Mercuri
    • Details: Mercuri is a venture capital firm that invests in early-stage and growth-stage technology companies. They participated in Signal AI's Series B funding round.
    • Investment Focus Areas: Early-stage technology companies, growth-stage technology companies.
    • Notable Investments: Not publicly disclosed.
  • MMC Ventures
    • Details: MMC Ventures is a venture capital firm that invests in early-stage and growth-stage technology companies. They are an existing investor in Signal AI and participated in the Series D round.
    • Investment Focus Areas: Early-stage technology companies, growth-stage technology companies.
    • Notable Investments: Gousto, Interactive Investor, Bloom & Wild.
  • Hearst Ventures
    • Details: Hearst Ventures is the venture capital arm of Hearst Corporation, focusing on media, information, and technology companies. They are an existing investor in Signal AI and participated in the Series D round.
    • Investment Focus Areas: Media, information, technology companies.
    • Notable Investments: BuzzFeed, Roku, Pandora.

What's Next for Signal AI?

Signal AI stands at the cusp of significant growth opportunities. With their AIQ platform already serving 40% of Fortune 500 companies, the potential for expansion is vast. The company aims to scale its platform, attract top-tier talent, and grow international hubs, leveraging the increasing reliance on AI for business decision-making. The market for decision augmentation technology is projected to add trillions to the economy, indicating a substantial opportunity for Signal AI.

Future fundraising opportunities appear promising, given the company's successful Series D round and strong investor confidence. Signal AI may pursue additional funding rounds or even consider an IPO to support its ambitious growth plans. However, the company will need to navigate challenges such as competition from established players, rapid technological advancements, and ensuring data privacy and compliance. By addressing these challenges, Signal AI can solidify its position as a leader in AI-driven decision augmentation.

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