See below for a list of relevant penalties which have been issued by the FCA in recent years (FCA, Jan 20);

Ref	Firm	Penalty	Reason	Date
1	Goldman Sachs	£34,344,700	MiFID Reporting	28-Mar-19
2	UBS	£27,599,400	MiFID Reporting	19-Mar-19
3	Bluefin Insurance Services Limited	£4,023,800	General (management and control)	05-Dec-17
4	Merrill Lynch International	£34,524,000	EMIR Reporting	18-Oct-17
5	Deutsche Bank	£163,076,224	Money Laundering	30-Jan-17
6	Threadneedle Asset Management Limited	£6,038,504	General (management and control)	10-Dec-15
7	Barclays Bank	£72,069,400	Money Laundering	25-Nov-15
8	DA VINCI INVEST LIMITED	£7,500,000	Market Abuse	12-Aug-15
9	Barclays Bank	£284,432,000	Benchmarking	20-May-15
10	Deutsche Bank	£226,800,000	Benchmarking	23-Apr-15
11	Merrill Lynch International	£13,285,900	MiFID Reporting	22-Apr-15
12	The Bank of New York Mellon	£126,000,000	CASS	15-Apr-15
13	Citibank N.A.	£225,575,000	Benchmarking	12-Nov-14
14	HSBC Bank Plc	£216,363,000	Benchmarking	12-Nov-14
15	JPMorgan Chase Bank N.A.	£222,166,000	Benchmarking	12-Nov-14
16	The Royal Bank of Scotland Plc	£217,000,000	Benchmarking	12-Nov-14
17	UBS AG	£233,814,000	Benchmarking	12-Nov-14
18	Barclays Bank Plc	£37,745,000	CASS	23-Sep-14
19	Deutsche Bank	£4,718,800	MiFID Reporting	21-Aug-14
20	Lloyds Bank plc	£105,000,000	Benchmarking	28-Jul-14
21	Martin Brokers (UK) Ltd (Martins)	£630,000	Benchmarking	15-May-14
22	Forex Capital Markets Limited (“FXCM Ltd”)	£4,000,000	Consumer Protection	26-Feb-14
23	Swift Trade Inc	£8,000,000	Market Abuse	24-Jan-14
24	Standard Bank PLC	£7,640,400	Money Laundering	23-Jan-14
25	The Royal Bank of Scotland plc	£5,620,300	MiFID Reporting	16-Jul-13
26	Plus500UK Limited	£205,128	MiFID Reporting	24-Oct-12
27	James Sharp	£49,000	MiFID Reporting	24-Oct-12
28	Merrill Lynch International	£150,000	MiFID Reporting	04-Aug-06

Table 6: Relevant FCA sanctions since 2006