0-9
$10K Every Day
1Billion Forex
23Traders
33Option/ Option Fortune
360 Tradebay
365 Binary Option
72 Option
A
AAFX Trading
Alphabet Broker
Ashford Investments
Ayrex
B
Barclays Trading Invest
Barkley Capital
BigOption
Binary Robot 365
Binary St
Binary Tilt
Binary Uno
BinaryBook
Binarymate
BlackOpt24
BlackOption
Bmarkets
Brokers Option
Byrix Financial Investments
C
Cex Markets
CFD Stocks
CMA Capital
Coinut
Crown Finance
CT Option
CT Trade / CT-Trade
D
Delta Capital Markets
E
Eclipse Finance
Edgedale Finance
Empire Option
EPF Global Services
eXbino
F
FM Trader
FMarketCapital
G
G6 Options
Greenfields Capital
H
Hedgestone Group
I
IGX Trade
Infinitech Trading
Instant Options
IntraDay Capital
ISG Xchange
IvoryOption
K
Karvy Online
L
London Option Exchange
LS Traders
LTX Markets
M
Market Options
Mayfair Trading (This unauthorised binary options firm is not associated in any way with Mayfair Trading Company Limited, a UK registered company (02960981)).
Meta Investing
N
NB International
Nexus Capital Index
O
Omenda
Option Giants
Option500
Option888
OptionFortune
Options24hours
OptionStarsGlobal
Oracle Options
P
PlusOption
R
RBinary
S
SolidCFD
Spot2Trade
Stern Options
Stoxmarket
Strategy Markets
Stratx Markets
SW1 Options
T
Tall Options
TitanTrade
TorOption
Touch Trades
Tradeinvest90
Tropical Trade
U
UBinary
Universe Markets
uTrader
V
VIP Brokers
VXMarkets
W
WayOption
WinOptions
X
XFR Financial
Z
Zoomtrader
Please note this list was taken from FCA website.