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Starling Bank VS Cynergy Bank: Business Banking Review & Fee Comparison


By: Ian Wright | Last Updated: May 22, 2025

Is Starling Bank or Cynergy Bank better for your small business?



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Below we look at both Starling Bank and Cynergy Bank reviews on Trustpilot along with their App reviews from Apple and Google.

We then look at typical fees, business savings rates, foreign currency options and a whole bunch of other account features to help you make up your mind.

Starling Bank Homepage
Starling Bank Homepage


Cynergy Bank Homepage
Cynergy Bank Homepage
 

Starling Bank vs Cynergy Bank Trustpilot Reviews

Starling BankCynergy Bank
Trustpilot Review Score (out of 5)4.34
Percent 5-Star Reviews76%58%
Percent 1- Star Reviews11%27%
Total Number of Reviews38,8692,235
Sources:
https://www.trustpilot.com/review/starlingbank.com
https://www.trustpilot.com/review/cynergybank.co.uk

Starling Bank vs Cynergy Bank App Reviews

Starling BankCynergy Bank
iPhone Review Score (out of 5)4.91.5
Number of iPhone Reviews477,500350
Android Review Score (out of 5)4.51.7
Number of Android Reviews114,000449
Sources:
https://apps.apple.com/gb/app/starling-bank-mobile-banking/id956806430
https://apps.apple.com/gb/app/cynergy-bank-authenticator/id1497728953

Starling Bank vs Cynergy Bank Account Fees & Charges

Starling BankCynergy Bank
Free Business Bank AccountYesYes
Free Business Account Term LengthNo Limit12 Months
Cheapest Monthly Account FeeNo£25
Most Expensive Monthly Account FeeNo£25
Electronic Payment Cost (in/out)Free35p
Cash Payments Cost (in/out)0.70%65p per £100
Cheques (in/out)Free30p / 78p
CHAPS Payments Cost£20£25
SEPA Payments CostNo£6

Starling Bank vs Cynergy Bank Business Savings Rates

Starling BankCynergy Bank
Types of Business Savings AccountsNoneBusiness Saver
Lowest Savings Rate (AER)NA4.00%
Maximum Savings Rate (AER)NA4.00%
Minimum Savings AmountNo£1
Interest Paid On Foreign CurrenciesYesYes
 

Starling Bank vs Cynergy Bank Account Opening Times

Starling BankCynergy Bank
Can You Apply Online?YesYes
How Long Does Opening An
Account Typically Take?
1 to 5 Working days15 minutes
Do They Check Your Credit?YesYes
Current Account Switch ServiceYesYes

Starling Bank vs Cynergy Bank Features & Account Types

Starling Bank Account Types
Starling Bank Features & Account Types


Cynergy Bank Account Types
Cynergy Bank Features & Account Types


Starling BankCynergy Bank
Business Current AccountYesYes
Business Savings AccountYesYes
Business Credit CardNoYes
Business OverdraftYesYes
Accounts For StartupsYesYes
Accounts For CharitiesYesNo
Accounts For Sole TradersYesYes
Joint Business Accounts AvailableYesYes
Card TypeMastercardVisa
Online BankingYesYes
Mobile BankingYesYes
In Person/Branch BankingYesYes
Branch LocationsNone, but can use post office locations for some servicesLondon, Redhill, Birmingham, Manchester and Glasgow

Starling Bank vs Cynergy Bank Customer Support Options

Starling BankCynergy Bank
Phone Support AvailableYesYes
Email Support AvailableYesYes
App Based Support YesYes
Web Based SupportYesYes
In person Customer SupportYesYes

Starling Bank vs Cynergy Bank Foreign Currency Accounts

Starling BankCynergy Bank
US Dollar (USD) Bank AccountsYesNo
Euro (EUR) Bank AccountsYesYes
Other Currencies Available:
  • CAD (Canadian Dollar)
No

Other Business Services From Starling Bank and Cynergy Bank

Starling Bank Account Types
Other Starling Bank Services


Cynergy Bank Account Types
Other Cynergy Bank Services


Starling BankCynergy Bank
Business LoansYesYes
Commercial MortgagesNoYes
Invoice FinancingNoYes
International PaymentsYesYes
Merchant Payment ServicesYesNo
Card MachinesYesNo
Free Accounting SoftwareNoNo

Starling Bank vs Cynergy Bank Banking Basics

Starling BankCynergy Bank
Bank TypeChallengerChallenger
FSCS ProtectionYes, up to £85,000Yes, up to £85,000
FCA Number730166575105
WebsiteStarling Bank WebsiteCynergy Bank Website

Common Comparison Questions

Does Starling Bank or Cynergy Bank have better customer reviews?

Starling Bank scores 4.3 out of 5 based 38,869 Trustpilot reviews. Of these reviews 76% are 5-star and 11% are 1-star.

Whereas, Cynergy Bank scores 4 out of 5 based 2,235 Trustpilot reviews. Of which 58% are 5-star and 27% are 1-star.

Does Starling Bank or Cynergy Bank have a better App?

Starling Bank’s iPhone App is rated 4.9 out of 5 based on 477,500 reviews. And it’s Android App is rated 4.5 out of 5 based on 114,000 reviews.

In comparison, Cynergy Bank’s iPhone App is rated 1.5 out of 5 based on 350 reviews. And it’s Android App is rated 1.7 out of 5 based on 449 reviews.

Does Starling Bank or Cynergy Bank have better business savings rates?

Starling Bank offers the following types of business savings accounts: None with interest rates ranging from NA to NA. (AER)

In contrast, Cynergy Bank offers Business Saver accounts with interest rates ranging from 4.00% to 4.00% (AER).

See Other Comparisons:
Starling Bank vs Zempler Bank (formerly Cashplus)
Starling Bank vs Co-operative Bank
Starling Bank vs Aldermore
Starling Bank vs Handelsbanken
Starling Bank vs Anna


For other business bank accounts see our guide here.

 



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