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Castle

Castle

Private
Miami, FloridaCrypto & Web3https://savewithcastle.com/

Last Round

Pre Seed

Jun 26, 2025

Total Funding Raised

$1M

Company Overview

Castle is a fintech company that provides an automated bitcoin treasury solution for small and medium-sized businesses to convert portions of revenue into bitcoin.

Sector

Crypto & Web3

Verticals

Blockchain Infrastructure, Corporate Banking, Digital Banking

Business Model

B2B

Customer Profile

Payment Processing Fee, Subscription SaaS

AI Layer

Non-AI

Keywords

bitcoin treasurycorporate treasury managementcrypto treasurySMB fintechautomated revenue conversionbitcoin custodyinstitutional-grade custodytreasury automationbusiness cash accountscrypto for businesssmall business bankingB2B cryptopayment processor integrationinflation hedgebitcoin on balance sheet

Historical Pricing

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Caplight Momentum Score

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Castle Comparables

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Castle comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
River Financial
68%
Swan Bitcoin
67%
Zaprite
63%

Castle Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Pre SeedJun 26, 2025

Key People

Founding team and executive leadership

João Almeida

CTO & Co-Founder

Founding Team

Castle Investors

Notable investors and investment history

Castle investors
InvestorRounds
Park Rangers CapitalPre Seed
Epoch VenturesPre Seed
Winklevoss CapitalPre Seed
Boost VCPre Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 26, 2025

    $1M raised in Pre Seed round.

Castle Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Castle Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Castle's valuation, stock price, and market status.

Firmographic Details

HeadquartersMiami, Florida
Employee Range9
Year Founded2024
Last FundingJun 26, 2025

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