In July 2026, a manufacturing team building out a US entity under a European parent asked us a question we hear often: is Business Central enough, or do they need the bigger Dynamics 365 platform? They assumed the answer came down to company size. It usually doesn't.
If you're weighing Microsoft's two ERP options, here's how we think about it, and the two questions that tend to make the decision for you.
Company Size
Scale alone rarely forces the jump from Microsoft Dynamics 365 Business Central to Dynamics 365 Finance & Operations (often shortened to F&O). Business Central runs each legal entity as its own company and consolidates several companies into one set of group financials. The real dividing line tends to be how your finance team works across entities and currencies, and how much of that work you want the system to run.
Two Questions
- How much intercompany volume moves between your entities? Business Central creates the matching document in the partner company when one entity bills another, and can accept it automatically. A person still posts it, and the eliminations at consolidation are a journal your team prepares. At high volume, the elimination rules in F&O start to matter.
- How many currencies does the group report across, and how tight is the close? Business Central translates each business unit into the group currency during consolidation, account by account, at rates your team loads and checks each period. With several currencies and a short close, that checking becomes real work.
For the team we spoke with, several currencies were a given. Intercompany volume was the open question, because it depended on how consolidation would work in practice, which is worth confirming with your finance stakeholders before you commit.
| Situation | Leans Toward |
|---|---|
| Entities that trade occasionally, with intercompany entries your team reviews and posts | Business Central |
| High daily intercompany volume, with eliminations proposed by rules each period | Finance & Operations |
| A few currencies, translated per account at consolidation | Business Central |
| Many currencies, many entities, and a group close on a tight deadline | Finance & Operations |
Manual Work
Both questions get read as yes or no, and that reading overstates the gap. Business Central posts intercompany transactions, handles multiple currencies, and consolidates across both. What it does differently is leave more of the work with a person, and past a certain volume that work stops being small.
So the more useful question is what the manual path costs each month, and at what point it outgrows itself.
Intercompany
Business Central ships with intercompany functionality. Each legal entity is set up as an intercompany partner with a mapped intercompany chart of accounts and dimensions. When one entity bills another, someone raises the intercompany document in the originating company (a journal line, a sales order, or a sales invoice), and the matching document is created in the partner company. A sales invoice arrives there as a purchase invoice, and an order arrives as the corresponding order. With automatic acceptance turned on for companies in the same environment, received transactions skip the inbox and are created for you.
Three parts of the process stay with a person:
- Posting. Automatic acceptance creates the entries, and someone still reviews and posts them. Teams that do this weekly or at close carry intercompany balances that lag in between.
- Reconciliation. The built-in Intercompany Transactions report lists every posted intercompany sale, purchase, and journal entry for review. Timing and rate differences between the two sides are found and cleared by your team.
- Eliminations. Business Central's consolidation imports each business unit into a consolidation company, and eliminations are a manual process: your team enters the general journal lines and previews their effect with the G/L Consolidation Eliminations report before posting.
Multi-Currency
Transaction-level multi-currency is well covered. Business Central holds an exchange rate table that can update from a rate service, posts customer and vendor documents in foreign currencies, adjusts open balances for rate changes as unrealized gains and losses, posts the realized gain or loss when a payment is applied, and can carry an additional reporting currency on every posting.
The manual work shows up at consolidation, when a subsidiary's trial balance is translated into the parent's reporting currency at different rates by account type:
- Business Central sets a translation method on each general ledger account: average, closing, historical, composite, or equity rate. The average rate is entered by hand for each period, and the closing rates come from the exchange rate table for your team to check before each run.
- The balancing difference that translation creates has to land in the right equity account, and someone confirms the number reflects the rates rather than a wrong rate or a missed account mapping.
- Intercompany balances translated at different rates don't net to zero. This is the usual month-end surprise in a two-currency group, and it clears with an adjusting journal and a note for the auditors.
- A subsidiary correction after the fact means running the consolidation again for that business unit, then re-checking the eliminations and translation that depended on it.
Effort
Effort scales with transaction volume more than with entity count. Two entities moving 500 documents a month between them is more work than five entities that barely touch each other. Roughly:
| Volume | Manual Effort |
|---|---|
| A handful of intercompany documents a month, a few entities, two currencies | An hour or two during the month, plus half a day to a day at each close. |
| Dozens of intercompany documents a month, or entities that fulfill for each other | Several hours a week, and intercompany reconciliation becomes a named task with an owner. |
| Daily cross-entity shipping, several currencies, or a group close on a tight deadline | Effectively a role, and the close date starts moving because of it. |
There is one-time effort as well, and it lands during implementation rather than at the first close: mapping the intercompany chart of accounts and dimensions across entities, building the consolidation business units, and agreeing the translation method for each account.
On the other side of the trade, F&O adds elimination rules that propose elimination entries each period, inside its own consolidation and currency translation process. It asks for a heavier implementation, more configuration, and more ongoing administration in return. That exchange pays off when the manual work is large enough, or the close deadline tight enough, that hours at month-end are the constraint.
Finance Team Questions
The answers below tell you which side of the line you are on more reliably than a yes or no does:
- How many intercompany documents a month at steady state, and what does that look like in two years?
- Does either entity ship, deliver, or invoice on behalf of the other?
- How many days do you have to close, and who is doing the work?
- How many currencies does the group report in, and how many business units translate at each close?
If those come back as low volume, no shared fulfillment, a comfortable close, and a few currencies, the manual path in Business Central usually costs less than the platform that automates more of it. If they come back the other way, F&O is worth its overhead.
Cost & Complexity
F&O carries more cost, more implementation complexity, and more ongoing overhead than Business Central. That is a reason to be sure you need it before you choose it. If two entities and one currency conversion are the full requirement, the heavier platform is more than the job calls for. If rule-based eliminations across a growing set of legal entities are on your roadmap, the heavier platform is worth it.
Before you spend time on demos and discovery, get a number for monthly intercompany volume and a list of the currencies you report in. Those two answers point you at the right platform quickly.
Platform Fit
We work in Business Central every day and know when a project belongs there and when it belongs on F&O instead. If you're weighing the same choice, reach out and we'll help you work out which platform fits before you invest in a full evaluation.