MIAMI, June 26, 2025 /PRNewswire/ — The $1M pre-seed round, backed by Boost VC and Winklevoss Capital, will enable Castle to onboard forward-thinking SMBs to an automated bitcoin treasury solution.
Castle, a bitcoin treasury platform tailored for small and medium-sized businesses (SMBs), recently announced a successful $1 million fundraising effort. This oversubscribed pre-seed round will enhance Castle’s mission of providing businesses with seamless tools to protect and enhance their wealth using bitcoin.
The funding round was prominently led by Boost VC, with notable participation from Winklevoss Capital, Park Rangers Capital, Epoch VC, alongside select angel investors. This influx of cash is set to not only fuel the platform’s developmental costs but also scale its onboarding efforts, aiming to help SMBs nationwide adopt an inflation-resistant, turnkey treasury solution.
Stephen Cole, CEO of Castle, shared insights on the troubling status of traditional savings products for small and medium businesses, stating, “Most savings products, while marketed as high-yield, often result in losses when you factor in inflation. Many business owners are becoming aware of this and are demanding better options.” He added that bitcoin has demonstrated itself as the top-performing asset over the past decade, firmly believing in its capacity to help companies protect their financial future.
“We view bitcoin as the world’s most potent savings technology,” said Brayton Williams, Managing Partner at Boost VC. “The founders possess a unique blend of experience and ambition, and Boost VC is proud to support their vision.” Cameron and Tyler Winklevoss echoed Cole’s sentiments, emphasizing that “Bitcoin is the ultimate store of value.” They praised Castle’s commitment to empowering businesses by automatically converting a fraction of their sales into bitcoin, helping safeguard their financial health.
João Almeida, the CTO of Castle, elaborated on the platform’s functionality, stating, “Our integration with tools like QuickBooks, PayPal, Square, and Stripe enables intelligent bitcoin exposure aligned with the operational needs of businesses.” The design philosophy of Castle revolves around invisibility—owners can concentrate on their core businesses while knowing their bitcoin treasury is being managed effectively.
Castle’s platform goes a step further by dynamically recommending strategies that range from conservative to aggressive, allowing businesses to tailor their bitcoin allocations to their specific risk appetite. The current clientele covers a variety of sectors, from restaurants and fitness studios to accounting firms, e-commerce platforms, SaaS companies, fine art dealerships, and real estate ventures.
Utilizing automation and integrations, Castle ensures that businesses maintain their desired level of bitcoin exposure, even amidst fluctuating revenues, operational costs, or variations in overall asset holdings. Some of the standout features include:
- Automated recurring allocations to bitcoin, customized as either a fixed dollar sum or a percentage of revenue (e.g., 5%)
- Implementation of thresholds on cash accounts to trigger automatic purchasing or selling of bitcoin as needed, thereby ensuring liquidity for operational expenses.
- Definition of maximum and minimum levels that bitcoin must represent within the broader portfolio.
Cole wrapped it up succinctly: “Bitcoin is not just a tool for Silicon Valley and Wall Street; it’s destined for Main Street as well.” He anticipates a trend where all businesses will migrate towards adopting bitcoin in the next decade, stating that those who make the leap early will likely reap the most significant benefits.
With free sign-up options and the absence of monthly fees, Castle opens the doors to an inflation-resistant treasury strategy for small and medium businesses. Interested parties can easily register at savewithcastle.com.
For media inquiries, representatives can connect with 21M Communications at [email protected].
About Castle
Castle offers businesses intelligent bitcoin treasury solutions that blend automation with seamless financial integrations, aiming to protect assets and enable long-term growth. To find out more, visit savewithcastle.com.
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SOURCE Castle
