NatWest vs OneSavings Bank plc
NatWest has a blended long-term credit rating of AA- and OneSavings Bank BBB+, so NatWest is rated 4 notches higher. NatWest and OneSavings Bank hold separate banking licences, so eligible savings with each are protected by the FSCS up to £120,000 per person separately. In the CMA's August 2026 service quality survey, 57% of NatWest's personal customers would recommend it for overall service; OneSavings Bank is not one of the brands surveyed. In the FCA's latest complaints figures, NatWest received 2.74 banking complaints per 1,000 accounts and OneSavings Bank 2.41.
NatWest
S&P, Moody's, Fitch
OneSavings Bank plc
Moody's, Fitch
Rating History Comparison
Comparison Summary
| Metric | NatWest | OneSavings Bank plc | Difference |
|---|---|---|---|
| Credit Rating | AA- | BBB+ | NatWest 4 notches higher |
| Normalized Score | 83 | 62 | +21 points |
| Agencies | S&P, Moody's, Fitch | Moody's, Fitch | Different |
| Outlook | Stable | Stable | Same |
| Trend | NEW |
Different | |
| Investment Grade | Yes | Yes | Same |
Service record and deposit protection
| Measure | NatWest | OneSavings Bank |
|---|---|---|
| Would recommend for overall service (CMA survey, Aug 2026, personal, GB) | 57% (rank 12 of 17) | not surveyed |
| Would recommend for online and mobile banking | 70% (rank 11= of 17) | not surveyed |
| Banking complaints per 1,000 accounts (FCA) | 2.74 (2026 H1) | 2.41 (2026 H1) |
| Complaints upheld by the bank | 55% | 68% |
| Major operational or security incidents reported to the FCA, last 12 months | 13 (to Jun 2026) | not collected |
| Banking licence (FCA reference) | 121878 | 530504 |
NatWest and OneSavings Bank hold separate banking licences, so eligible savings with each are protected by the FSCS up to £120,000 per person separately.
Survey: CMA / Ipsos, share of each brand's own customers who would recommend it (full rankings). Complaints: FCA firm-level data for the licence holder (all banks). Incidents: figures each bank must publish under the FCA's BCOBS 7 rules (all banks). A service score is about experience, not financial strength.Frequently asked questions
Is NatWest or OneSavings Bank financially stronger?
NatWest has a blended long-term credit rating of AA- and OneSavings Bank BBB+, so NatWest is rated 4 notches higher. A credit rating is an agency's opinion of a bank's ability to repay its debts, not a guarantee, and it says nothing about service.
Do NatWest and OneSavings Bank share FSCS protection?
NatWest and OneSavings Bank hold separate banking licences, so eligible savings with each are protected by the FSCS up to £120,000 per person separately.
Which has better customer service, NatWest or OneSavings Bank?
In the CMA's August 2026 service quality survey, 57% of NatWest's personal customers would recommend it for overall service; OneSavings Bank is not one of the brands surveyed. In the FCA's latest complaints figures, NatWest received 2.74 banking complaints per 1,000 accounts and OneSavings Bank 2.41. A service score reflects customers' experience, not the bank's financial strength.
Compare with Other Banks
Select another bank to compare: