You do not need to use a Claims Management Company. You can make the claim directly to the lender and if they reject your complaint you can take it to the Financial Ombudsman Service free of charge, but you must do this within 6 months of the lenders Final Decision Letter.

Finance Company
 
118118 Money
1Plus1 Loans
1st Stop
1st Stop Finance Ltd
Advantage Finance
Albermarle & Bond
Amigo Loans
Aqua card Services
Argos Financial Services
AvantCredit
Bamboo
Barclaycard
Black Horse Finance
BLUE MOTOR FINANCE LIMITED
BMW Financial Services
Buddy Loans
Capital One
Car Cashpoint
Car Loan Centre
Cash 4 U Now
CashASAP
CashFloat
Drafty
Easy Logbook Loans
Everyday Loans
Family Finance Limited
Fernovo
Ferratum
Ferratum
George Banco
Go Car Credit
GuarantorMyLoan
H&T Finance
J D Williams & Company Limited
La Redoute
Lending Stream
Lending Stream
Likely Loans
Loans 2 Go
Loans at Home
Loans2Go
MARBLES CARD
MoneyBarn
MoneyBoat
MoneyBoat
MonkeyDosh
Moolr
Morses Club
MotoNovo Finance
Motor Kitty
Mutual Loans
My Finance Club
NextCredit
Oakam Limited
Oakbrook Finance
Oplo
Provident
Quidie
QuidMarket
Ramsdens (logbook loans)
SafetyNetCredit
Santander
SatsumaLoans
SatsumaLoans
Savvy
Shop Direct
SPECIALIST MOTOR FINANCE LTD
Sprout Loans
Tappily
Tesco Bank
TFS Loans
THLDirect
TM Advances
TrustedQuid
TrustedQuid
TrustTwo
UK Credit
Vanquis
Varooma
Very