The move from one entity to two is the single biggest step-change in bookkeeping complexity most Australian businesses ever make, bigger than any revenue milestone. A second company means a second Xero file, a second BAS, a second payroll registration, an intercompany relationship that must reconcile to the cent, and a group picture that no single file shows. Done well, the structure is invisible. Done loosely, it produces the classic symptoms: intercompany loan accounts that have not matched for a year, a payroll tax surprise from grouping rules, and directors making decisions off one entity's P&L while the group quietly loses money. This guide covers how to run multi-entity bookkeeping properly in 2026.
Published: July 2026
The foundational rule: every entity with its own ABN gets its own Xero file. Running two entities through one file with tracking categories looks cheaper and is a false economy that fails at the first BAS, because GST, payroll, and financial statements are entity-level legal obligations, not reporting preferences. Each file carries its own bank accounts, its own registrations, and its own lodgements, prepared and lodged under a registered agent, which is part of what an outsourced finance team exists to run when the admin multiplies.
Three structural disciplines make everything downstream easier. First, a common chart of accounts across the group: same account codes, same names, same GST treatments, so that consolidation is a mapping exercise rather than a translation project. Second, consistent month-end timing: every entity closes to the same date, because a group report built from files closed weeks apart is fiction. Third, one source of truth for intercompany balances, which deserves its own section.
Money moves between related entities constantly: the trading company pays an expense for the holding company, the group's cash sits in one entity while wages are paid from another, a director's cost is settled by whichever entity had funds that day. Every one of those movements creates an intercompany loan entry, and the iron rule is symmetry: the loan asset in one file must equal the loan liability in the other, every month, to the cent.
The practical method: a mirrored intercompany loan account in each entity's chart, coded consistently, reconciled as a standing month-end task alongside the bank accounts. When the balances drift, and untended, they always drift, the cause is almost always a transaction coded to intercompany in one file and to an expense in the other. Reconciled monthly, the fix takes minutes. Reconciled at year end, it takes days of archaeology at your accountant's hourly rate, which is why intercompany reconciliation belongs in the weekly bookkeeping rhythm, not the annual clean-up.
Two related items need documentation rather than just bookkeeping. Management fees and service recharges between entities should sit under a written agreement with a defensible basis, and their GST treatment depends on the arrangement; our guide to pass-through costs and client recharges covers the agent-versus-principal logic that drives it. And loans between companies and their shareholders or directors can attract specific tax rules, so structure and paper these with your tax advisor rather than letting them accumulate as untitled balances. Both are areas where the bookkeeping must follow professional advice, not substitute for it.
Each entity lodges its own BAS on its own cycle, and each entity that employs staff carries its own STP reporting and, since 1 July 2026, its own Payday Super clock: super received by employees' funds within 7 business days of each entity's payday under the ATO's Payday Super rules. Two entities running staggered fortnightly payrolls means a super deadline landing somewhere in the group almost every week, which is precisely the kind of cadence that breaks informal processes.
The trap that catches growing groups is payroll tax grouping. Every state's payroll tax regime contains grouping provisions that can treat related businesses, common ownership, shared employees, certain agreements, as one employer, with one tax-free threshold shared across the group rather than a threshold per entity. Structures set up on the assumption that each company enjoys its own threshold can crystallise years of unexpected liability when a state revenue office applies grouping retrospectively. The rules differ by state and turn on specific facts, so this is squarely obtain-advice territory, but the bookkeeping obligation is universal: know your group's combined Australian wages figure at all times, because that number, not any single entity's, is what the thresholds test. State revenue office guidance, such as Revenue NSW, sets out the grouping provisions in detail.
Two administrative points complete the set: GST grouping of related entities is possible in some circumstances and simplifies intercompany GST, but it changes liability arrangements and needs advice before electing; and every entity should be linked to your registered agent so lodgement visibility covers the whole group, not just the busiest company.
Xero shows one entity at a time, and no entity's P&L is the business. Group reporting means combining the files, eliminating the intercompany noise, and reading the result, and there are three workable levels.
At the simple end, a monthly consolidation workpaper: export each entity's P&L and balance sheet on the common chart, sum them, and eliminate intercompany revenue, expenses, and loan balances. For a two-to-four entity group with a disciplined chart, this is an hour a month and entirely adequate. In the middle, reporting tools built for multi-entity consolidation connect to each Xero file and automate the combination and eliminations, worth it as entity count and reporting frequency grow. At the top, groups with external stakeholders, banks, investors, a board, need a proper monthly group pack: consolidated P&L and cashflow with commentary, which is the point where the work has become a fractional CFO deliverable rather than a bookkeeping task; our guide to fractional CFO costs in Australia covers what that layer costs.
Whichever level fits, the eliminations only work if the intercompany accounts match, which is why the monthly reconciliation discipline above is the keystone of the whole structure.
Each additional entity adds real work: its own reconciliations, its own BAS, potentially its own payroll, plus the intercompany and consolidation layer that exists only because the group does. As a working rule, a second operating entity adds materially less than double, typically 40 to 70 per cent of the first entity's bookkeeping cost, because systems and processes are shared, while a dormant or holding entity adds a small fixed amount for its minimal activity and lodgements. Complete multi-entity finance functions generally land in the $2,500 to $6,000+ per month band depending on combined volume and payroll, sized properly against combined headcount and transactions using tools like our free business calculators. What to resist is per-entity pricing that ignores shared efficiency, and single-entity pricing that quietly excludes the intercompany and group layer, the exact layer a multi-entity business is buying.
Can I run two companies in one Xero file with tracking categories?
No. Each ABN has its own GST, payroll, and reporting obligations, which require entity-level records. Tracking categories are for divisions within one entity, not for separate legal entities.
How often should intercompany loan accounts be reconciled?
Monthly, as a standing month-end task. The asset in one entity must equal the liability in the other to the cent; monthly matching keeps corrections trivial, while annual matching turns them into expensive archaeology.
Do management fees between my entities attract GST?
Often, but the treatment depends on the arrangement and whether an entity acts as agent or principal. Put intercompany charges under a written agreement and confirm the GST treatment with your tax advisor.
What is payroll tax grouping and why does it matter for multiple entities?
State payroll tax rules can group related businesses and apply one tax-free threshold across the combined group's wages instead of one per entity. Groups that assumed separate thresholds can face significant retrospective liability, so track combined wages and get state-specific advice.
Does each entity need its own STP and Payday Super process?
Yes. Each employing entity reports STP under its own ABN and must have each pay run's super received by funds within 7 business days of that entity's payday under the rules in force since 1 July 2026.
How do I produce a group P&L from multiple Xero files?
Either a monthly consolidation workpaper on a common chart of accounts with intercompany eliminations, or a multi-entity reporting tool connected to each file. Both depend on consistent account codes and reconciled intercompany balances.
Should my entities share a chart of accounts?
Yes, use identical codes, names, and GST treatments across the group wherever the businesses allow. A common chart turns consolidation into addition instead of translation.
How much does bookkeeping for multiple entities cost in Australia?
A second operating entity typically adds 40 to 70 per cent of the first entity's cost rather than doubling it, with dormant entities adding a small fixed amount. Complete multi-entity finance functions generally run $2,500 to $6,000+ per month depending on combined volume, payroll, and reporting depth.
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We review and check this guide periodically. At the time of writing (July 2026), all information was current. Scale Suite is a registered BAS Agent, not a licensed tax advisor or financial advisor. This content is general information only and does not constitute professional tax, financial, or legal advice. Some details may change over time.
Scale Suite is a Sydney-based provider of outsourced finance and HR services for Australian SMEs. We deliver bookkeeping, financial reporting, payroll processing, fractional CFO support, recruitment, employee onboarding, people and culture support, and fractional HR oversight, all as a fully embedded team that works inside your business.
Employment Hero Gold Partner, CA-qualified, and Xero Certified, we replace fragmented finance and HR processes with one responsive, senior-level function at a fraction of the cost of full-time hires. We serve growing businesses across Sydney, Melbourne, Brisbane, and Perth, with packages starting from $1,500 per month and no lock-in contracts.
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