
WIP and disbursement funding for law firms
WIP and disbursement funding gives a law firm cash to cover the gap between recording time, billing it and being paid, and to…
Why law firms pay VAT before clients pay, how partners’ tax and corporation tax can be spread, and how lenders judge a tax funding request.
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Law firm VAT and tax funding spreads a VAT quarter, partners’ self-assessment or corporation tax over the following months, so the firm pays HMRC on time while waiting for clients to settle bills. Most firms owe VAT when a bill is delivered, not when it is paid, which is the core problem. Lenders look at your HMRC payment record, tax reserving policy and whether repayments finish before the next liability.
Law firms hand HMRC VAT on bills their clients have not yet paid, and partners settle personal tax on profits that may still be sitting in WIP. Those two facts explain most of the tax-related cash pressure in legal practice. It is written for finance partners, COFAs and practice managers planning around a VAT quarter, a 31 January partners' tax bill or a corporation tax deadline. As a broker, we arrange short-term tax funding for firms and partners from around £10,000 to £500,000+, with larger facilities available in suitable cases, drawing on lenders across our panel. Other reasons firms borrow are set out in our solicitor practice loans hub.
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A lender pays the VAT or advances the funds, and the firm repays in instalments that should finish before the next return. Our page on VAT loans explains the mechanics. It suits a one-off spike, such as a quarter in which several large matters were billed at once. Its weakness is the next quarter: if the loan is still running when the next return falls due, the firm can end up stacking loans.
There are two structures. The firm can borrow and pay each partner's tax, debiting their current accounts, or individual partners can borrow personally through an income tax loan. Firm borrowing keeps things simple where every partner is short; individual borrowing keeps a partner's liability off the firm's balance sheet and suits a partnership where only some partners need help.
Limited company practices and ABSs pay corporation tax on profits that include accrued income. A corporation tax loan spreads the payment over the following months, which suits firms whose profit jumped because WIP rose rather than because cash did.
Where VAT, tax and PII each strain cash every year, a revolving credit facility drawn for each liability and repaid from billing is often tidier than a series of separate loans. It needs discipline: the balance should return close to zero between tax dates, or it has become permanent working capital. If the underlying issue is lock-up, our page on WIP and disbursement funding covers that separately.
Most firms account for VAT under the standard method, which means VAT is due on the bill's tax point, usually the date the bill is delivered, not the date the client pays. A firm that issues a large batch of bills in the last week of a quarter owes the VAT on all of them at the next return, even though few will have been paid by then.
The pressure is sharpest for firms with private clients who pay slowly, with probate bills paid from estates, and with litigation bills disputed or assessed before payment. It is lighter for conveyancing, where fees and VAT are usually taken from completion funds.
Two points often reduce the problem:
Illustration only, using round hypothetical figures. A firm bills £300,000 plus £60,000 VAT in a quarter. By the time the return is due, clients have paid 60% of those bills. The firm still owes HMRC the full £60,000, of which about £24,000 relates to bills it has not been paid for. If the pattern repeats every quarter, the firm is permanently funding tens of thousands of pounds of its clients' VAT.
HMRC may agree a payment plan if you contact it before the deadline; see its guidance on Time to Pay arrangements for how to ask, and our comparison of Time to Pay and a tax loan sets the two side by side. HMRC charges interest on tax paid late under a plan, so compare total cost as well as convenience.
Other levers are often cheaper than borrowing: taking money on account for costs and disbursements at the start of each matter, interim billing on long files, claiming VAT bad debt relief on bills more than six months overdue that have been written off in your VAT records, and reviewing whether items billed as disbursements are genuinely outside the scope of VAT. The main risk in tax funding is habit. A firm that borrows every quarter is paying finance costs on its own tax, and lenders will eventually notice the pattern.
Whether previous VAT returns and tax bills were paid on time, and whether there are arrears or an existing Time to Pay arrangement. Existing arrears make many lenders cautious.
Whether the partnership retains a proportion of each partner's drawings for tax. A firm that reserves properly but borrows once for an unusual year is a different risk from a firm that never reserves.
Lenders map instalments against the next VAT quarter and payment on account to check the firm is not borrowing to repay borrowing.
Debtor days and the age of unpaid bills, since collections are the real source of repayment.
Guarantees are usual, so partners' own credit files and any personal tax arrears matter.

How the main business finance structures work. Lenders set their own terms, so treat this as a guide to the questions to ask.
| Option | How you repay | Security | Often used for |
|---|---|---|---|
| Unsecured business loan | Fixed instalments, usually monthly | No charge over assets; a personal guarantee is usually required | Growth, stock, tax bills and cash flow |
| Secured business loan | Fixed instalments, often over a longer term | A charge over property or other assets | Larger sums, property and refinancing |
| Revolving credit facility | Interest on what you draw; repay and redraw | Varies by lender and case | Recurring or uneven cash flow gaps |
| Merchant cash advance | A share of future card takings | No charge over assets | Card-taking businesses with uneven months |
| Asset finance | Regular payments over the life of the asset | The asset being financed | Equipment, vehicles and machinery |
| Invoice finance | Settled as customers pay their invoices | Your unpaid invoices | Businesses waiting on customer payment |
General information only. Every lender has its own criteria, and all finance is subject to status.
| Liability | When it falls | Why it bites |
|---|---|---|
| VAT return | Quarterly, one month and seven days after the period ends | Due on bills delivered, not bills paid |
| Partners' self assessment | 31 January (balancing payment plus first payment on account) and 31 July | The January bill combines two payments and follows the Christmas slowdown in billing |
| Corporation tax (companies and ABS) | Nine months and a day after the accounting period ends, for most firms; larger companies pay in quarterly instalments | Based on accounting profit, which includes WIP valued under accounting rules |
| PII renewal | Most commonly 1 October, some firms 1 April | Lands alongside the other liabilities; see our page on PII funding for law firms |
Partners in firms with year ends other than 31 March or 5 April were moved onto a tax-year basis from 2024-25. The extra "transition profit" that arose is by default spread over five tax years, so many partners are still paying tax on a slice of it until 2027-28, on top of tax on current profits. HMRC explains the rules in its guidance on changes to reporting income from self-employment and partnerships. Firms with a 30 April year end, once common in the profession, saw the largest transition profits, and partners who did not reserve for them are the ones most likely to need to spread a January bill.
Tell us the liability, the amount and the due date, and share your latest figures. We check whether the need is one-off or recurring, suggest the structure that fits, and put the request to lenders on our panel that are comfortable funding tax for professional firms. You compare the offers with us, and the lender makes the credit decision. Start early: an application made weeks before a deadline gives more choice than one made days before. It is free to enquire; any broker fee is disclosed separately before you proceed.
I’d like to say a big thank you to Simon and the team for successfully assisting with the sourcing and placing of our most recent funding. Simon was able to secure a lend when others appeared to have run out of appetite to place business or source viable options. I would highly recommend Simon should you need to raise capital or finance for your business needs.
Some lenders will consider it, but overdue VAT narrows the choice and HMRC late payment penalties and interest may already be running. It is usually better to contact HMRC about the arrears while a funding application is in progress, and to be open with lenders about the position.
It depends on how many partners need help and what the partnership agreement says about tax retentions. Firm borrowing is simpler administratively; personal borrowing keeps one partner's shortfall from becoming a firm liability. New partners short of funds after their first tax bills may also be looking at partner capital loans at the same time, so it helps to plan both together.
No. The loan is a commercial agreement with a lender; HMRC simply receives payment on time. Your return is prepared in the usual way, and our VAT calculator can help check the figures on individual bills.
It depends on whether HMRC will agree terms and how much certainty the firm needs. A Time to Pay arrangement can cost less, but HMRC decides whether to agree and on what terms, and lenders may ask about it later. A VAT loan pays HMRC on time and spreads the cost with a lender instead. Our guide to Time to Pay versus a tax loan compares the two in more detail.
In straightforward cases, a VAT loan for a law firm can be arranged within a few working days once the lender has the VAT return or calculation, recent accounts, management figures and bank statements. Leaving it until the week of the deadline narrows the choice, so it helps to plan ahead when a large batch of bills is going out. Our VAT loans page explains how these facilities generally work.

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