Phoenix by Sienna Join the waitlist

Your payday, in the right order.

Phoenix takes an amount you choose from your pay the moment it lands, pays your most expensive debt with it, and leaves the rest in your bank as normal. No new bank account to switch to. No loan.

Built in London for people paid into a UK bank account. Early access opens in stages to the waitlist.

Try it: what one payday looks like with Phoenix

£200
to Phoenix, straight to your debt
£2,200
to your bank, as usual
£
£
%
With Phoenix 2 yrs 7 mo £1,600 interest
Paying minimums 20+ yrs £6,000 interest

Clears years sooner and saves thousands in interest.

Illustration only, not advice. Assumes a fixed rate, no new spending, and minimum payments of interest plus 1% of the balance (or £5 if higher). Phoenix always covers your minimums, so your payday amount is what gets paid whenever it's the larger of the two. Your own terms may differ.

Three things happen, every payday.

1

Connect the accounts you're paying off

Cards, overdrafts, buy-now-pay-later. Phoenix reads balances and rates through UK open banking, the same read-only connection your banking app uses.

2

Choose your payday amount

Pick a figure you can live with. On the day your pay lands, that amount moves to your Phoenix account. Everything else stays in your bank.

3

Phoenix pays the most expensive debt first

Your minimums are always covered. Whatever is left goes to the highest rate, until it's gone. Then the next one. You watch it happen.

Example: how £200 gets paid outRate
1Arranged overdraftMinimum covered, then everything left over39.9%
2Credit cardMinimum covered, waits its turn29.9%
3Buy-now-pay-laterInstalment paid on time0%

Meet Ash.

Ash is the assistant inside Phoenix. It watches the accounts you connect and does the tedious parts of getting out of debt, but never on its own: every action is proposed first, approved by you, and written to a log you can read.

  • Payday routing. Proposes how your payday amount splits across your debts: minimums first, highest rate next. You approve, Ash sends.
  • Spending watch. Flags the direct debit that doubled, the subscription you stopped using, the balance creeping back up. Every alert can be answered in chat.
  • Bill negotiation. Builds the case for a lower card rate, a cheaper broadband or energy deal, a better insurance renewal, and cancels the subscription you're overpaying for. Where we're authorised to act for you, Ash handles the conversation; where we're not, you get the script and the number.
  • Offer scanning. Tells you when a rate or deal you could qualify for appears, and what it would save you.
Ash's activity, an example week
Sent £62 extra to your overdraftApproved by you on payday. Minimums covered first.
Done
Your broadband renewal has gone up to £44Two cheaper deals found for the same speed.
Reply
Drafted a request to lower your card's rateUses your 14 months of on-time payments. Sends when you say so.
Approve
Cancelled the gym membership you asked aboutApproved by you on Monday. £32 a month back.
Done

Phoenix is first. Three more are in development.

Sienna is building a family of products around one idea: your money, in the right order.

Avery

Day-to-day money: bills, budgets and the last week before payday.

In development

Riley

A clearer way through debt that has become hard to keep up with.

In development

Casey

Credit that gets cheaper as your record with us gets stronger.

In development

Where these involve lending, debt advice or insurance, they will launch only once Sienna Fintech, or a partner, is authorised to provide them.

Plain about what it is.

Phoenix is

  • A way of ordering your own money so debt gets paid before anything else can spend it.
  • An account in your name, held with a UK payments partner authorised by the FCA, that sends money out to your existing lenders.
  • Automatic. You set the amount once and change it whenever you like.
  • Yours to stop. Turn it off and your pay lands exactly as it did before.
  • Assisted by Ash, which proposes each action, waits for your approval and logs everything it does.

Phoenix isn't

  • A loan. We don't lend you anything, and we don't take a percentage of what you owe.
  • A debt management plan. Your lenders, your terms and your credit file stay as they are.
  • A new bank account you have to move your salary to.
  • Advice. Phoenix follows the order you'd choose if you had the time: highest rate first.
  • Software acting on its own. Nothing moves and nothing is sent unless you've approved it.

Made for two kinds of month.

Balances that never seem to shrink

You're paying 20 to 40 percent on cards and an overdraft, and minimum payments are designed to keep it that way. A fixed slice of each payday, pointed at the highest rate, is the fastest way out that doesn't involve borrowing more.

Running short before payday

Phoenix shows what's yours to spend after debt and bills, so the last week of the month stops being a surprise. And because the repayment goes out first, the month doesn't start with a hole already in it.

What we'd like to build next: lower-rate consolidation through partner lenders for people whose payment history in Phoenix earns it, and help bridging the gap before payday. Both would be credit products and would only launch once authorised by the FCA. Joining the waitlist now shapes what comes first.

Join the waitlist.

Early access opens in stages. The first places go to people who tell us how they'd use it. Two questions, thirty seconds.

If Phoenix launched tomorrow, how much would you set aside from each payday?
What are you paying off? Pick any that apply.

You're on the list.

We'll email you when your place opens. If you know someone paying more interest than they should, send them this page.

Questions people ask.

Do I have to change where my salary is paid?

No. Your salary keeps landing in your current account. You authorise Phoenix to move your chosen amount from that account on payday, using the same regulated open banking payments that your bank already supports, and you can change or cancel that authorisation at any time.

Where does the money actually go?

Into a Phoenix account in your name, provided by a UK payments partner authorised by the Financial Conduct Authority and required to safeguard customer money. From there it goes out to your card, overdraft or other lenders in the order Phoenix shows you.

Is this a loan, or a debt management plan?

Neither. Phoenix doesn't lend you money and doesn't negotiate with your lenders. Your agreements stay exactly as they are. Phoenix only changes what gets paid first. If we later offer credit products, they'll be clearly labelled and only after we're authorised to offer them.

Which debt does Phoenix pay first?

Every minimum payment is covered first, so nothing is missed. What's left goes to the debt with the highest interest rate. You can change the order if you'd rather clear a small balance first for the feeling of it, and Phoenix will show you what that costs.

What will it cost?

Early access is free. Afterwards we expect Phoenix to be a simple monthly subscription. It will never charge interest or take a percentage of what you owe.

What if I need the money back one month?

You can lower or pause your payday amount before it moves. Money that has already gone to a lender has paid down your balance, which is the point, but the amount is always yours to set.

Can Ash do anything without asking me?

No. Ash proposes an action, you approve it, and it is recorded in your activity log with the reason. You can set which kinds of action Ash may suggest at all, and you can turn it off without losing any of Phoenix.

What does Ash see, and who else does?

Ash works from the account data you connect through open banking and nothing else. It is used to run your plan and your alerts. It is not sold, and it is not shared with lenders or other companies unless you ask us to act for you with one of them.

Who is behind Phoenix?

Phoenix is being built in London by Sienna Fintech. We're starting with people paid into a UK bank account and carrying card or overdraft debt, and we're building it with the waitlist rather than for it.