Cynergy Bank is a UK bank that focuses on savings and business banking rather than the high street. For personal customers it is known for savings accounts, including fixed rate bonds where money is tied up for a set term in return for a rate fixed over that term, and for business customers it provides banking for small and medium-sized companies. It does not run a branch network, so day-to-day banking with Cynergy Bank happens online and by phone, through its website, cynergybank.co.uk1.
The bank's business is built on two things: taking deposits and lending. Its FCA permissions cover three main activities: accepting deposits, entering into regulated credit agreements as a lender, and entering into regulated mortgage contracts as a lender1. In practice that means it takes savings from individuals and businesses, and it lends. The company behind the brand, registered with Companies House under number 04728421, has been active since it was incorporated on 9 April 20032.
What Cynergy Bank offers
Cynergy Bank's business is built on two things: taking deposits and lending. Its FCA permissions list accepting deposits first, and the Bank of England includes it among the UK-incorporated banks authorised to accept deposits1. For savers, that covers the account types the bank is known for: savings accounts and fixed rate bonds, where money is tied up for a set term in return for a rate fixed over that term. How fixed rate bonds work, and how they compare with easy access accounts, is covered in the guide to savings accounts.
On the lending side, its permissions allow it to enter into regulated credit agreements as a lender and regulated mortgage contracts as a lender1. That underpins its business banking proposition, which serves small and medium-sized companies as well as individual savers. Business customers looking for wider context on borrowing can read the guide to loans, and anyone considering property finance can start with the guide to mortgages.
The bank does not hold itself out as a mass-market current account provider in the way the big high street banks do, and its permissions do not include the card issuing that goes with a full current account range1. If you are weighing up where to hold your everyday money, the guide to current accounts sets out the options across the market, and the directory of banks and building societies shows who provides what.
Overdrafts and borrowing on an account
Cynergy Bank's permissions allow it to lend under regulated credit agreements1, but overdrafts are a specific form of borrowing attached to a current account, and the bank's published support material does not present overdrafts as part of its offer. If you already have an overdraft elsewhere and want to reduce your reliance on it, the options are the same whatever bank you are with.
An arranged overdraft is a borrowing facility with an agreed limit. Interest is charged on the amount you use, and on an arranged overdraft there are no other charges4. That makes the cost predictable, but it is still debt, and it is one of the most common reasons people contact debt charities.
If you want to stop living in your overdraft, you can ask your bank to reduce or remove the overdraft limit, or switch to an account with no overdraft at all5. A basic bank account has no overdraft facility, which removes the temptation and the cost in one step6. Building a small emergency savings pot alongside is the usual way people break the cycle, because it gives you a buffer that the overdraft used to provide6. The guide to debt covers these routes in more detail.
Who can open an account and the checks involved
Opening an account with any UK bank starts with proving who you are and where you live. You usually have to show the bank two separate documents, one that proves your identity, for example a passport, and one that proves your address, such as a recent bill7. The same pattern applies when you are choosing an account to receive a payment such as Universal Credit: you will usually need ID such as a driving licence, passport, recent bills or official documents8.
If you cannot produce the standard documents, there is still a route. Some banks accept a letter from a responsible person, such as a GP, teacher, social worker or probation officer, confirming your identity and circumstances7. This matters for people with no fixed address, those fleeing domestic abuse, and anyone whose documents have been lost or destroyed.
The checks are not a judgement about you; they are legal requirements banks must meet to prevent money laundering and fraud. Once the bank has verified your identity, it will run its own eligibility assessment for the product you have applied for, which is separate from the identity checks and can take into account your credit history. The guide to credit scores and credit reports explains what banks look at and how to check your own file before applying.
Banking with Cynergy Bank online and by phone
Cynergy Bank is an online and telephone bank rather than a branch network. Its support pages describe the channels it uses to hear from customers: telephone, writing in, a contact form, and a Secure Message service inside Online Banking9. The Secure Message service is the bank's own internal messaging system, which keeps correspondence inside the security of your logged-in session rather than over open email.
For general queries, the customer services team is the first point of contact. Calls to the bank's complaint line cost no more than calls to fixed line phones (landlines), which is worth knowing if you expect a long conversation9. Because the bank does not have branches, Online Banking is where you check balances, move money and manage your accounts, so reliable internet access and a device you are comfortable using are practical requirements.
If you prefer not to bank digitally at all, Cynergy Bank is unlikely to suit you, and the directory of banks and building societies lists providers that still operate branches. For everyone else, the online model means the bank can be reached outside the hours a branch would keep, and the Secure Message route leaves a written record of everything said, which can be useful if a matter later becomes a complaint.
Letting someone else manage your account
There are two main ways someone else can be given authority over your account, and they suit different situations.
A third-party mandate is a document telling your bank that someone you trust is allowed to run your personal accounts10. You can specify how much access to give, so the arrangement can be narrow, covering one account or one type of transaction, rather than handing over full control10. Mandates suit temporary situations, such as a long hospital stay, or longer-term practical help while you keep overall control yourself.
A power of attorney is the more formal route, used when you want someone to handle your money for you, either straight away or at a point in the future when you can no longer manage things yourself. Guidance for people with dementia and their families describes the same choice: you can set up a third-party mandate for day-to-day help, or a power of attorney for lasting authority10. Disability organisations describe the mandate as a document telling your bank that someone you trust is allowed to run your personal accounts, and recommend it as one of the accessible banking options people should know about11.
Whichever route you use, the bank will need the completed document and will run its own identity checks on the person being given access. Both routes can be cancelled or changed if circumstances change, though a power of attorney registered for use on loss of capacity cannot simply be undone once that has happened.
Reporting fraud to Cynergy Bank
If you spot something wrong on your account, the speed of your report matters. During normal business hours, contact the customer services team12. Outside those hours there are two routes: send a Secure Message through Online Banking with Potential Fraud as the subject heading taken from the drop-down list, or text the word FRAUD followed by your User ID to the bank's fraud reporting number12. The text message must be sent from the main mobile number associated with your account13.
When the bank receives your notification, it will immediately suspend your access to Online Banking, for your security, and begin investigating your concerns on the next working day12. If you have a joint account, the other user or users will still have Online Banking access to the account12. The immediate suspension can be inconvenient, but it stops a fraudster from moving money while the investigation happens.
Specific concerns have specific routes. If your debit card has been lost or stolen, or you are concerned about potential fraudulent transactions on it, contact the customer service team immediately13. If you are concerned about cheque fraud, contact customer services, and you may also request to stop a cheque using Online Banking12.
On compensation, the bank's stated approach is to review each incident on a case by case basis, considering all factors, to ensure that customers who are victims of fraud are treated fairly13. Following a thorough fraud investigation, where it is found that there is zero or limited customer negligence, the bank states it will compensate the customer without delay13. Where the customer is identified as being vulnerable, this may result in some level of compensation being paid to the victim without delay13. The bank is equally clear about the other side: where customer negligence is clearly evidenced, compensation may not be as forthcoming13.
Staying safe from scams
The banking industry's rule of thumb is simple. UK Finance, the industry body, states it plainly: "We would never call or text anyone, especially not to request payments."14 No genuine bank, Cynergy Bank included, will phone you and ask you to move money to a so-called safe account. Anyone who does is a fraudster, whatever number appears on your screen, because caller ID can be spoofed.
If you think you have fallen for a scam, the immediate steps are to contact your bank or payment services provider immediately, contact the police on 101, report the scam to the national fraud reporting service, and keep records of all contact and correspondence between you and the scammer15. The national reporting route is available online or by telephone on 0300 123 204016. In Northern Ireland, suspicious emails or text messages asking for your bank details are reported the same way, and the local Jobs and Benefits office is also told17.
Nuisance calls and unwanted marketing can be reported to the Information Commissioner's Office, which handles complaints about nuisance calls and refers complaints about fraud and scams to the police reporting service18. The same security principles apply wherever you hold your money: NS&I, for example, gives customers the same advice, to contact your bank immediately if you think you have fallen for a scam, and report it19. The guide to scams and fraud covers the main scam types and how to spot them.
Help if you are struggling with money or payments
Contacting your bank early is the single most useful step, and it does not damage your standing. The Financial Ombudsman Service is clear that discussing your options with your lender will not have any impact on your credit file, for example, where you get in touch while still up to date with payments20. That point applies to mortgage difficulties as much as to any other borrowing: talking to the lender about your options does not itself affect your credit file20.
Beyond your bank, free help exists. If you are struggling with debt payments generally, the advice is to get free, confidential debt advice22.
Hardship support comes in several forms, and it varies across the nations:
- Crisis help in Wales: Shelter Cymru's crisis guidance covers access to funds, loans, food banks and household items if you are in a financial crisis23.
- Energy and water costs: help may be available from energy company schemes, benefits, charitable grants or your local council24. Some energy companies have set up trust funds that may help you pay your energy bills if you are in financial difficulties25.
- Local council support: if you are struggling to pay for energy or water bills, food or other essentials, you might be able to get help from your local council through a crisis payment, in England and Wales24.
- Household Support Fund: this could help if you are struggling to afford things like energy and water bills, food and essential items26.
- Charitable grants: charitable organisations exist specifically to help households and small businesses in hardship25.
- Food banks: some food banks run advice sessions and may provide hot meals as well, and some also provide energy vouchers27.
Money worries and mental health often go together, and support exists for both. The FSCS publishes resources with tips on how to get mental health support if you are struggling with money worries28. The guide to debt brings together the free advice charities and what each one offers.
Making a complaint and taking it to the Financial Ombudsman
Cynergy Bank handles complaints through four channels: telephone, writing to the bank, a contact form, and the Secure Message service in Online Banking9. Calls to the complaints line cost no more than calls to fixed line phones (landlines)9. The bank aims to acknowledge your complaint on the same day it is received, though in some cases this may take up to three working days9.
The timescales after that follow the standard regulatory pattern. If your complaint is resolved within three working days, the bank sends a summary resolution communication rather than a full final response9. Where the bank is unable to resolve the complaint within 15 days, it writes to update you on the status9. For most complaints the Financial Conduct Authority gives the bank up to eight weeks to issue a final response, but for complaints about payment services the limit is up to 15 working days, and in exceptional circumstances up to 35 working days9. These are the same deadlines that apply across the banking industry, as the guide to joint accounts and banking disputes explains in context29.
If you are unhappy with the bank's final response, or if the eight weeks pass without one, you can ask the Financial Ombudsman Service to look at your case for free9. You have six months from the date of the bank's final response letter to refer your complaint to the ombudsman9. The ombudsman's process starts when you fill in its complaint form30. Under the FCA's rules, consumers may complain to the firm and seek redress from it, and refer the complaint to the Financial Ombudsman Service if the firm does not satisfy the complaint31. The same route applies to scam victims unhappy with a bank's response: you can take the matter further by referring it to the ombudsman32. The bank also publishes a summary of the number of complaints it receives in each half-yearly period, so its complaint volumes are on the public record9.
How your savings are protected
Cynergy Bank is a UK bank authorised to accept deposits: it holds FCA authorisation, firm reference number 575105, and appears on the Bank of England's list of UK-incorporated banks authorised to accept deposits1. Deposits held with authorised firms are covered by the Financial Services Compensation Scheme, the UK's statutory protection for savers, the same scheme that protects savings held with credit unions and other authorised deposit takers33.
The practical points are straightforward. Protection applies per person per authorised firm, not per account, so the total of your deposits with one banking licence counts together. Because Cynergy Bank trades as a single brand under one licence, all your accounts with it count as one holding for protection purposes. If the bank were ever unable to return deposits, the FSCS steps in to compensate savers, and claims are made directly to the scheme. The guide to consumer protection explains how the scheme works alongside the Financial Ombudsman Service, which handles complaints about service while the FSCS covers the money itself.
Sources33 cited
- Cynergy Bank Plc, firm reference 575105, FCA Register entry Financial Conduct Authority, 2026
- Cynergy Bank Plc, company number 04728421 Companies House, 2026
- List of banks incorporated in the UK authorised to accept deposits Bank of England, 1 September 2026
- Overdraft debt: charges on arranged overdrafts StepChange Debt Charity, 2026
- How can I stop living in my overdraft? StepChange Debt Charity, 2026
- How to save for an emergency StepChange Debt Charity, 2026
- Getting a bank account: identity documents Citizens Advice, 2026
- Choosing a bank account for your Universal Credit payment MoneyHelper, 2026
- Complaints: how to complain to Cynergy Bank Cynergy Bank, 25 September 2026
- Dementia and managing money nidirect, 3 September 2026
- Accessible banking and financial services Scope, 17 August 2026
- Reporting a fraud or scam Cynergy Bank, 25 September 2026
- Protect yourself online Cynergy Bank, 25 September 2026
- Fraud and scams: industry guidance UK Finance, 2026
- Scams involving unauthorised payments and identity theft Financial Ombudsman Service, 25 September 2026
- Guidance on suspicious phone calls, emails and text messages HM Courts and Tribunals Service, 17 September 2026
- Online and text scams nidirect, 27 July 2026
- Nuisance calls and messages Information Commissioner's Office, 25 September 2026
- Our online security promise NS&I, 5 February 2024
- Financial difficulties with mortgages Financial Ombudsman Service, 26 September 2026
- Interest rates applied to mortgages Financial Ombudsman Service, 26 September 2026
- Benefits not enough to meet my needs Turn2us, 26 September 2026
- In a crisis: money advice Shelter Cymru, 29 April 2026
- Energy schemes Turn2us, 8 September 2026
- Help from charitable organisations Business Debtline, 26 September 2026
- Housing Support Fund Disability Rights UK, 2026
- Your business and household budget Business Debtline, 26 September 2026
- Cost of living crisis: mental health support Financial Services Compensation Scheme, 25 September 2026
- Joint accounts: making a complaint about a bank MoneyHelper, 25 September 2026
- Complaints the ombudsman can help with Financial Ombudsman Service, 26 September 2026
- FCA Handbook, UNFCOG 1.6: consumers' right to refer complaints Financial Conduct Authority, 2026
- If you have fallen victim to a scam Payment Systems Regulator, 25 September 2026
- Credit unions: FSCS protection of savings Building Societies Association, 15 September 2026

















FSCSProtects your money if a bank, insurer or investment firm fails
Financial Ombudsman ServiceFree, independent help when a complaint about a firm is not put right
MoneyHelperFree, impartial money and pensions guidance, set up by government
Citizens AdviceFree advice on money, consumer and legal problems in England and Wales