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The short answer
Agree in writing what the project is, what it costs, what each sibling contributes and when. Hold the pooled money in one account set aside for the project, in naira if the spending is in Nigeria, with one person paying vendors and another checking. Share a simple ledger of money in and money out after every payment.
Brothers and sisters spread across London, Houston and Toronto often decide together to fix their parents' roof, build a house in the village or pay for a mother's care. Money raised this way can achieve a lot. It can also strain relationships when contributions are uneven and nobody is sure where the money has gone. The answer is a little structure at the start.
Agree the basics in writing
A one-page note, shared by email or pinned in the sibling chat, saves months of argument later. Cover:
- The project, with a clear end: "replace the roof and ceiling of the family house in Ibadan", not "help Daddy".
- The budget, ideally from written quotes or a quantity surveyor's estimate.
- Each person's share: equal, or in proportion to income, with the amounts named.
- The schedule: one payment, or monthly until the target is reached.
- Who pays vendors and who checks: two different people.
- What happens to money left over, and what happens if someone cannot pay their share.
For a build, the plan should follow the stages of the work. Our guide to building a house in the village from the UK in stages explains how to link payments to progress, and hiring a quantity surveyor in Nigeria helps get the budget right.
Where the money should sit
Mixing project money with someone's personal account is the most common source of disputes. Better options:
| Option | Strength | Watch out for |
|---|---|---|
| One sibling holds a separate account just for the project | Clear record, one place to look | That sibling carries the burden; agree reporting |
| Each sibling pays vendors directly in turn | No pooled balance to manage | Harder to see the total; needs a shared ledger |
| A naira account in Nigeria for project spending | No conversion on every payment; local vendors paid quickly | Who can authorise payments |
Check how the money is protected wherever it is held. In the UK, the FCA explains that money held with a non-bank payment or e-money firm is not protected by the FSCS, although those firms must safeguard it. In Nigeria, naira deposits at licensed banks are covered by the NDIC up to the applicable limit.
Tracking contributions and spending
Keep one ledger, a shared spreadsheet is enough, with two tabs:
- Money in
- Date, sibling, amount in their currency, rate used, naira received.
- Money out
- Date, vendor, item, amount, receipt link, who approved.
- Balance
- Updated after every payment and shared in the chat.
Our guide to tracking contributions in a family WhatsApp group has a template you can adapt.
When contributions are uneven
Incomes differ, and so do circumstances: one sibling has school fees, another has just lost a job. Agree early whether shares are equal or proportional, and whether a sibling who cannot pay now can pay later. Write down any agreement that someone owes the pool money. If one sibling ends up paying much more, decide whether that gives them anything extra, such as a larger say or a share of a property, and record it. A Nigerian lawyer can advise on how ownership of land or a house should be documented.
If money goes missing
Stop further payments until the ledger is reconciled, ask for receipts, and talk to the person concerned privately first. Our guide on options when a relative misuses building money covers next steps.
UK points to know
Each sibling's contribution is a gift from them for Inheritance Tax purposes. GOV.UK sets an annual exemption of £3,000 per tax year, with one year's unused allowance carried forward, and larger gifts are usually tax-free if the giver lives seven years after making them. This is information, not tax advice.
Where Pryme fits
A Pryme Personal account can be opened from any country and holds naira alongside pounds, dollars and euros (multicurrency), so a sibling coordinating the project can receive contributions and pay vendors in naira. Naira deposits are held by a licensed Nigerian microfinance bank, regulated by the CBN and insured by the NDIC up to the applicable limit. Verifiable statements through our partner VerifyDoc.ai (receipts) let every sibling check the record is genuine and unaltered.
Questions people ask
How do siblings abroad share the cost of a family project?
Agree the project, budget, each person's share and schedule in writing. Equal or income-based shares both work if they are agreed up front.
Whose account should hold family project money?
An account used only for the project, with one person paying vendors and another checking. Avoid mixing it with someone's personal money.
How do we track who has paid?
Keep a shared ledger of money in and money out, with receipts, and post the balance after each payment.
What if one sibling stops contributing?
Decide in advance whether they can pay later, and record any amount owed. Talk privately before raising it in the group.
Sources
- GOV.UK: Inheritance Tax on gifts · accessed Oct 2026
- FCA: Using payment service providers · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.