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§ Private Profile · 300 Beale Street, San Francisco, CA, USA
Private limited company in London, England, provided other business support service activities (SIC 82990) until its dissolution.
Double Fusion has raised $36.0M across 2 funding rounds.
Key people at Double Fusion.
Double Fusion has raised $36.0M in total across 2 funding rounds.
Double Fusion Limited was a London-based private enterprise that provided unclassified business support services to various commercial entities across the United Kingdom. Operating under the standard industrial classification code 82990, the firm functioned within the broader administrative and auxiliary service sector, though specific details regarding its core business model and primary customer base remain undisclosed. Due to its status as a private limited company, public financial disclosures regarding total funding raised, assets under management, valuation metrics, and exact employee counts were not mandated or published during its operational tenure. The organization filed its final financial accounts for the period ending on December 31, 2011, before ultimately ceasing all corporate operations and being officially dissolved on September 3, 2013. The company was originally incorporated under the corporate name Cyclonemart Limited on January 22, 2007, by undisclosed founding members.
Key people at Double Fusion.
Double Fusion has raised $36.0M in total across 2 funding rounds.
Double Fusion's investors include Accel, IVP, Ridge Ventures, Tenaya Capital.
Double Fusion, Inc. is a private technology company focused on adtech (advertising technology). It operates in the competitive digital advertising space, providing solutions likely centered on ad monetization or programmatic advertising, as indicated by its sector classification.[2] The company serves clients such as startups, high-growth firms, and mature businesses preparing for exits, addressing challenges in scaling ad operations and financial management through services like interim CFO support.[2] Limited public data suggests modest growth momentum, with engagements in transitional phases rather than explosive expansion.
Double Fusion, Inc. emerged as a technology player in the adtech sector, with its website at www.doublefusion.com pointing to early operations in digital advertising.[2] Specific founding details, founders' backgrounds, or pivotal early traction are not detailed in available records, but its classification under private ownership and technology/adtech aligns with the mid-2000s boom in online advertising platforms.[2] A related UK entity, DOUBLE FUSION LIMITED (company number 06060113), was incorporated around 2007, potentially indicating international roots or expansion, though its current status and activities remain opaque from public filings.[4][5][6]
Double Fusion operates amid the resurgence of adtech amid evolving digital privacy regulations and the shift to programmatic advertising, riding trends like connected TV (CTV) and AI-driven targeting. Its timing benefits from post-cookie era market forces, where adtech firms must innovate for sustainable monetization.[2] In the wider ecosystem, it supports the startup-to-scale pipeline by providing financial steering, indirectly fueling adtech's influence on broader tech investments—though dwarfed by fusion energy's $2.64 billion funding surge in 2025, highlighting adtech's more mature, less hyped niche.[8] This positions Double Fusion as an enabler rather than a disruptor in tech's advertising backbone.
Double Fusion's niche in adtech advisory positions it for steady relevance as AI and privacy tech reshape advertising, potentially expanding into emerging channels like retail media or Web3 ads. Trends like rising CTV spend and regulatory adaptation will shape its path, with opportunities in M&A as larger platforms consolidate. Its influence may evolve through deeper integrations with high-growth adtech startups, circling back to its core strength in bridging operational gaps for scalable ad revenue—solid, if unspectacular, in a hype-driven tech world.[2]
Double Fusion has raised $36.0M across 2 funding rounds. Most recently, it raised $26.0M Series C in December 2006.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Dec 1, 2006 | $26M Series C | — | Accel, IVP, Ridge Ventures, Tenaya Capital | Announced |
| Nov 1, 2005 | $10M Series B | — | Accel, IVP, Tenaya Capital | Announced |