Sub-Accounting 3.0

ISO 20022. Instant payments. Basel IV. Embedded banking.

Sub-Accounting 3.0 is how banks protect deposits, optimise capital, and stay relevant.

The Structural Upgrade Transaction Banking Can’t Ignore

See what's inside
Download the Executive Guide
Solution

From Virtual Accounts to Structural Intelligence

Sub-Accounting 3.0 unifies critical banking capabilities into a single structural framework.

ic1
Reconciliation sub-ledgers
c2
Liquidity & in-house banking structures
c3
Regulated escrow & client-money accounts
c4
Embedded finance ecosystems

Sub-Accounting 3.0 is not just an update—it is a new avatar for the future of transaction banking. In this guide, we show how banks can

Consolidate deposits and win primary banker status
Replace costly pooling with smarter liquidity constructs.
Offer compliant client money services at scale.
Deliver invisible, embedded banking powered by contextual AI

For corporates, the promise is equally transformative

Cash Nirvana
real-time visibility across banks, entities, and currencies
Operational Agility
faster onboarding, fewer accounts, self-service hierarchies
Risk Control
tighter segregation of funds, fraud reduction, and capital optimization.
BUSINESS IMPACT

What This Changes for You

Sub-Accounting 3.0 unifies critical banking capabilities into a single structural framework.

Deposits

Retain liquidity across corporate hierarchies

Capital

Improve LCR efficiency and reduce operational RWA

Cost

Reduce account sprawl and reconciliation overhead

Relevance

Deliver embedded banking and AI-ready treasury

This is how primary banker status is won in 2026.

Is Your Bank Ready for the Next Structural Shift in Transaction Banking?

Banks that are preparing for the next decade are already aligning their architecture around liquidity efficiency, regulatory resilience, and embedded finance ecosystems.

If your bank is prioritizing these strategic goals, Sub-Accounting 3.0 becomes the structural foundation that enables them.

Deposit Growth

Retain corporate liquidity by supporting complex treasury structures, centralized hierarchies, and scalable balance segregation without creating account sprawl.

Embedded Banking

Enable banking services to operate seamlessly within ERPs, platforms, and digital ecosystems through programmable account structures.

Basel IV Optimization

Improve capital efficiency and operational resilience by enabling better transaction segregation, reconciliation, and balance management.

AI-Enabled Treasury

Create structured, high-quality financial data that powers intelligent reconciliation, predictive liquidity insights, and next-generation treasury services.

With Sub-Accounting 3.0, we invite you to explore how banks and corporates together can redefine corporate banking for an era of instant payments, embedded ecosystems, and intelligent automation.

From Democratization to Contextualization

The first era of Virtual Accounts was about democratizing banking—allowing corporates to manage money the way they wanted. Sub-Accounting 3.0 is about contextualization:

The journey from Virtual Accounts 1.0 – 2.0 Sub-Accounting 3.0 reflects
not just an evolution in technology, but a shift in philosophy:
 From enabling reconciliation, to empowering liquidity,
to embedding intelligence into every transaction.

This paper charts that journey— and sets out why Sub-Accounting 3.0 will redefine corporate banking for the decade ahead.

Free Executive Guide

Don't Modernise Around the Edges. Redesign the Core Structure.

Access the strategic framework defining the next decade of transaction banking architecture.
  • 12-page strategic framework — readable in 15 minutes
  • Basel IV & real-time rails impact analysis
  • In-house banking & embedded finance blueprint
  • Practical migration roadmap for treasury teams
  • Sent to your inbox instantly

Don’t Modernize Around the Edges. Redesign the Core Structure.

Access the strategic framework defining the next decade of transaction banking.

Start Your Journey with Intellect