Investment Bank Business Information Model
A structured inventory of the business data entities an investment bank runs on — legal entity, counterparty, deal, mandate, trade, book, allocation — in editable Word, with a data modeling guide.
About This Business Information Model
The Client Is a Group. You Trade With Its Subsidiaries.
Investment Bank Business Information Model is a structured inventory of the business data entities an investment bank runs on — legal entity, client, counterparty, deal, mandate, trade, book, allocation, fee — organized into foundational, transactional and informational layers, in an editable Word document with a guide to business data modeling.
An investment bank's hardest data problem is the counterparty. Coverage manages a relationship with a group; credit sets limits against legal entities; trading books face specific counterparties under specific agreements; and revenue is attributed somewhere between the three. Each is right, and a bank that has not modeled the hierarchy cannot answer what its exposure to a client actually is.
The deal side carries a similar problem. A transaction can involve advisory, financing and hedging booked in different products under one client relationship, and the bank's view of what a deal is depends entirely on which system was asked.
This model states the party hierarchy and the deal structure explicitly. It is a business information model rather than a database design — it names what the bank means, which is the layer where the ambiguity is created.
The Distinctions This Is Meant to Make
Three definitional problems specific to capital markets data.
Client, counterparty, or legal entity? The client is the relationship, the legal entity is who signed, and the counterparty is who faces a given trade under a given agreement. Aggregating exposure requires all three and the hierarchy between them.
What is a deal? A transaction may be an advisory mandate, a financing and a hedge. Modeling deal separately from the product-level engagements is what allows revenue to be seen both ways.
Instrument, position, or book? Books own positions, positions reference instruments, and desks own books. Firms that conflate the layers cannot attribute risk and revenue to the same structure.
Why This Matters Now
Supervisory expectations and cost pressure both run through the same party and product hierarchy.
Aggregated Risk Reporting Assumes a Party Hierarchy
Reporting exposure at group level requires the group to exist as an entity above the legal entities that face the trades. Banks without one aggregate manually and slowly.
Client Profitability Needs Deal and Product Both
Attributing revenue at product level alone loses the transaction; attributing at deal level alone loses the book. Only modeling both makes the question answerable.
Reference Data Consolidation Requires a Target
Reducing duplicate client and instrument masters is a mapping problem. Without a bank-owned model, each consolidation adopts the surviving system's assumptions.
The core deliverablesWhat Is Included
Two files:
Who This Is Built For
This model pairs with the Investment Banking Capability Model, which states what the bank does; the information model states what it does it to. Neither substitutes for the other.
How to Put It to Work
- Write down the party hierarchy — group, legal entity, counterparty — and which systems hold which level.
- Model deal separately from the product engagements that sit under it.
- Keep instrument, position, book and desk as distinct layers rather than collapsing them.
- Use it as the bank-owned target for reference data consolidation.
Where Banks Typically Start
Aggregating client exposure. Build the group hierarchy as an entity rather than reconstructing it per report.
Measuring client profitability. Attribute revenue at both deal and product level, which requires modeling both.
Consolidating client reference data. Map surviving and retiring masters to a common model rather than to each other.
Standing up data governance. Give stewards entities to own rather than golden-source systems to defend.
What You Are Actually Buying Is Time
Building this internally means definitional sessions with coverage, credit, trading and finance — four groups with genuinely different reasons to define a counterparty their way.
- The first draft is the expensive part. Reviewing a proposed set of entities is a different task from inventing one, and a much shorter one.
- Disagreement becomes visible immediately. A written party hierarchy surfaces the credit-versus-coverage difference in the first meeting rather than the fifth.
- It outlives the project that prompted it. The same model serves exposure reporting, profitability analysis, and reference data work.
Definitional sessions across coverage, credit, trading and finance.
A data architecture engagement producing a comparable model.
Immediate download. Editable Word. Take it into your next working session.
Those first two columns describe what comparable efforts tend to involve, not a quoted benchmark — your figures depend on scope and who does the work.
Built From Real Engagements
We are software entrepreneurs and business consultants who have delivered business architecture and transformation work across financial services firms. This model is the distilled, reusable output of that work rather than a theoretical exercise — which is also why it carries the limits described below.
Read before you buyAn Honest Note on Fit
This is a generic model designed as a starting point. Customization is expected, not a sign that something went wrong.
Specifically:
Terms You Should Know Before Purchasing
Read the description above in full before you buy. Delivery is immediate and the files are yours to keep, which is also why we cannot take returns, issue refunds, or swap a purchase for a different product once it has been downloaded. What you receive is what is listed — no warranty beyond that, and no bundled customization, implementation help, or support. A Enterprise License covers everyone inside one organization; if you intend to reuse the material across several clients, the Consultancy License is the one you need. The full digital product terms govern the sale.
What's Included
At a Glance
- Investment banking business data model (Word, editable)
- Foundational, transactional and informational entities
- Bonus: Business Data Modeling Guide (PDF)
Enterprise License
Consultancy License
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