Managing Partner-Exchange and Counterparty Accounts (Nostro)

No exchange works on its own. A remittance your customer places in Tehran and collects in Dubai or Istanbul passes through a network of partner exchanges. You entrust work to them, they entrust work to you, and between you there is a running account that's always open.

These accounts — which in banking language are called nostro (our account with them) and vostro (their account with us) — are the beating heart of the remittance network. And they are exactly where, if handled loosely, money goes missing and a years-long relationship falls apart over a single account dispute.

Two ledgers that must mirror each other

The principle is simple: every figure you write in a partner's account, they must have its exact mirror in your account. If you've booked "10,000 dirhams to Noor Dubai Exchange's account," their ledger should show "10,000 dirhams payable to so-and-so."

When these two ledgers stay mirror images, settlement is simple. When they drift apart — a missing document, a wrong rate, a fee one side counted and the other didn't — that gap turns into the "you owe this much / no, you do" argument.

Four places where a partner account goes wrong

• Two-sided fees: one side deducts the fee, the other writes it in full. A few dirhams' difference on each remittance, and a baffling number at month-end.
• Different revaluation rate: a remittance is given in one currency and settled in another. If the two sides book it at two different rates, the ledgers never agree.
• Missing document: a phone call, an urgent remittance to be "written up later," and that "later" never comes.
• Partial settlement: part of the debt in cash, part by remittance, part netted against the next remittance — and nobody has the full picture of the net balance.

The fix: one account per partner, one document per figure

Counterparties shouldn't live in someone's head or in a separate notebook. Every partner exchange should be a formal account in your general ledger, exactly like a customer — with the difference that its balance can be either a debit or a credit.

Then every remittance, every fee, and every settlement is a double-entry document that updates the mirror balance itself. This is the same logic as the multi-currency general ledger extended to counterparties, and it's part of managing receivables and payables.

Periodic reconciliation — before it grows

Don't leave the mirroring of the ledgers to chance. One simple habit saves you: every week or every month, check the net balance of each partner with them. A short message: "My balance with you is such-and-such dirhams in credit, correct?"

If they confirm, you can rest easy. If they don't, you find it right there — on a small, fresh discrepancy — not six months later on a number neither of you remembers the origin of. The same logic as end-of-day reconciliation, this time between two exchanges.

Why software makes a difference here

The counterparty account is exactly where spreadsheets and paper ledgers buckle: a multi-currency, two-sided balance, with fees and revaluation, for dozens of partners at once. The right software keeps each partner as a live account, computes the mirror balance automatically, and gives you the "how much am I owed by / owe to each partner" report in one click.

You can read about this more deeply in remittance accounting, or try it directly with a real counterparty in the Nexto demo.