What Custodiex does

Custodiex Ltd. is a UK-incorporated private company (registered in Stockport) that provides institutional-grade digital asset custody to financial institutions. Its platform secures private keys inside FIPS 140-3 Level 3-assured Hardware Security Modules (HSMs) deployed in air-gapped environments, enabling real-time transaction signing without exposing keys in plaintext outside certified hardware. The target customer base spans commercial banks, investment banks, central banks, asset managers, hedge funds, family offices, brokers, and exchanges, with no consumer or self-serve offering.

The platform combines multi-signature distributed key management, NIST-standardized quantum-safe cryptography, a crypto-agile architecture, and unlimited scalability in vault count and supported digital assets (including Bitcoin, Ethereum, and Bittensor/TAO). HSMs are physically housed at accredited former UK Ministry of Defence secure facilities with encrypted backups replicated across geographically separated sites for resilience. Insurance coverage, 24/7 monitoring, and ISO 27001 certification support the company's positioning for regulated institutional buyers. Customer access is delivered through a standards-based API using JSON Web Signature authorization with customer-defined policies, plus mobile and web applications for portfolio management.

Custodiex monetizes through subscription-based institutional custody services delivered exclusively via direct enterprise sales and API integration; pricing is not publicly disclosed and is negotiated per engagement. Distribution is B2B-only with no consumer channel. The board consists of Kealan Doyle (Chairman), Mike Sumner (CTO/CSO/Founder), Nicholas Nicolaides (Board Director/Investor), and Amdax founders Lucas Wensing and Melvin Lazeron, indicating a strategic relationship with Amdax. Only one funding round has been disclosed: $1,299,709 from Symvan Capital in February 2020. No revenue figures, customer logos, or post-2020 funding activity are disclosed in the source material.

Name

Custodiex

Legal name

Custodiex Ltd.

Website

https://custodiex.com

Company type

Private

Founded year

2018

Operating status

Operating

Headcount range

11–50 employees

Short description

Custodiex is a UK-based digital asset custody provider that secures private keys inside FIPS-certified, air-gapped Hardware Security Modules for financial institutions, enabling real-time cold storage with quantum-safe cryptography and institutional-grade compliance.

Ownership category

akta.pro rank

Product category

Digital Asset Custody

NAICS

Financial Transactions Processing, Reserve, and Clearinghouse Activities (522320), Securities and Commodity Exchanges (5232)

SIC

Finance Services (6199), Security & Commodity Brokers, Dealers, Exchanges & Services (6200)

akta.pro primary industry

Institutional Custody & Qualified Custodians (HSM-backed, segregated custody) (FSAPACAD)

akta.pro secondary industries

Institutional Qualified Custody (Banks/Trust Companies) (FSADACAA), Digital Asset Custody (Institutional Crypto Custody) (FSAFAHAH), Digital Asset Custody & Key Management (MPC, HSM, Wallet Infra) (FSAGAMAB), Confidential Computing & Hardware-backed Protection (TEE/HSM) (HDADAFAJ)

Keywords

• Digital asset custody
• Institutional custody platform
• Hardware security modules
• Cryptocurrency cold storage
• Post-quantum cryptography

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Infrastructure, Personnel, Operations, Marketing or Sales

Revenue model

1. Institutional Custody Services: B2B custody services for digital assets targeting financial institutions. Revenue is generated through secure storage and management of digital assets for institutional clients including banks, asset managers, and exchanges.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels3 records

Core offering

Custodiex provides an institutional-grade digital asset custody platform that secures private keys inside FIPS-certified Hardware Security Modules (HSMs) deployed in air-gapped (offline) environments. The platform combines cold storage-grade security with real-time transaction execution capability, eliminating the traditional trade-off between security and availability. It is delivered to financial institutions via direct API integration as a standalone custody layer or through standards-based interfaces into broader institutional infrastructures.

Product overview

Custodiex offers a unified institutional-grade digital asset custody platform that combines FIPS-certified HSM security with real-time availability. The core platform is supplemented by Vault Groups for organizing assets by strategy (Cold Storage, Trading, Staking, Vault Reserve) and Mobile/Web Applications for access management. The platform features multi-signature distributed key management, real-time cold storage, hot wallet capability, and quantum-safe cryptography, supporting use cases from commercial banks to family offices.

Differentiator

Problem solved

Functional benefit

Products and services

• Custodiex Platform Institutional-grade digital asset custody platform that secures private keys within FIPS-certified Hardware Security Modules (HSMs) in air-gapped environments, enabling real-time cold storage with unlimited scalability. Designed for commercial banks, investment banks, central banks, asset managers, hedge funds, family offices, brokers, and exchanges.
• Custodiex API Standards-based API interface that allows partners and institutional clients to integrate Custodiex custody into their own platforms, build governance workflows, and define customer-specific authorization policies with multiple signers, threshold conditions, and time delays.

Quantifiable outcome

• Real-time transaction execution with cold storage security

Segments8 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

One partnership is on record.

• AmdaxcoreStrategic or Co-development PartnerFounders Lucas Wensing (CEO) and Melvin Lazeron (COO) of Amdax serve on the Custodiex board. This indicates a strategic partnership between Custodiex and Amdax, likely involving shared technology development, market access, or integrated digital asset services. Amdax appears to be a related digital asset company with aligned custody infrastructure interests.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Fireblocks: Institutional digital asset custody and infrastructure provider using MPC-based wallet technology, serving banks, hedge funds, exchanges, and asset managers. Fireblocks competes head-on with Custodiex in the institutional custody segment but relies on software-MPC rather than air-gapped HSMs.
• Anchorage Digital: Federally chartered crypto bank and qualified custodian serving institutional clients with staking, trading, and custody. Directly comparable in targeting banks and institutions and in emphasizing regulatory-grade assurance, but uses different underlying key management technology.
• BitGo: One of the largest institutional digital asset custodians, offering qualified custody, prime brokerage, and staking to institutions. Competes with Custodiex for the same institutional segments (banks, asset managers, exchanges) and supports a wide asset range.
• Hex Trust: Asia-headquartered institutional digital asset custodian offering FIPS 140-2 Level 3 HSM-backed custody, staking, and on-chain services to banks, asset managers, and corporates. Closely comparable to Custodiex in HSM-based architecture and institutional segment focus.
• Zodia Custody: Institutional digital asset custodian backed by Standard Chartered and Northern Trust, serving banks, asset managers, and corporates. Comparable in targeting regulated financial institutions with bank-grade custody, with the additional credibility of a major bank shareholder.
• Komainu: Institutional digital asset custody joint venture backed by Nomura, Ledger, and CoinShares, offering segregated cold-storage custody to institutions. Directly comparable in HSM/cold-storage architecture and in serving the bank and asset manager segments.

Broad incumbents

• Fidelity Digital Assets: Institutional digital asset custody and trading arm of Fidelity Investments, serving hedge funds, family offices, and asset managers. A scaled, brand-strong incumbent in the same institutional custody category.
• Coinbase Custody: Qualified custodian operated by Coinbase, providing cold-storage custody to institutional clients. Represents a scaled incumbent competing for the same institutional segment Custodiex targets, but within a much broader exchange and trading platform business.

Emerging players

• Taurus: Swiss-based digital asset infrastructure provider offering custody, tokenization, and trading technology to banks and financial institutions, including a partnership with Deutsche Bank. Comparable in European institutional focus and bank-grade custody positioning, though at a broader product scope.
• Ledger Enterprise: Enterprise-grade digital asset custody solution built on Ledger's hardware wallet technology, serving banks, family offices, and corporates. Comparable in HSM/hardware-rooted security approach and in targeting institutional regulated segments, with a stronger consumer brand.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/custodiex

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Custodiex