Corporation Tax Online - software and online forms

A range of Internet filing enabled software and online forms are available from HM Revenue & Customs (HMRC) and third party software suppliers, these can be used to file Company Tax Return (CT600) including accounts and computations over the Internet. You can choose the product that best suits your needs. We are pleased to accept forms and returns filed using any of the products listed.

The table below lists third party products that have been successfully tested with us to ensure that their forms CT600 and supplementary pages can be filed over the Internet.

A number of third party software suppliers are still currently testing their products with us. When they have tested successfully, they will be listed below.

HMRC provide their own free product, 'Online Tax Return - CT'. This lets you file Company Tax Returns (CT600) and supplementary pages CT600a, CT600c and CT 600J over the Internet. We have tested all the features of this service, and will provide support to users through our Online Services Helpdesk. This will be one of the available filing options once you have logged on to our Online Services.

Supplier's Name

Product name

Supplementary pages included in each product

CT600
Version 1

CT600
Version 2

Telephone No

TaxCalc Pro Corporation Tax

All Plus Agent Authorisation

Yes

Yes

08707 669 935

BTC Software

CT Solution & CT Solution Express

CT600A, CT600C, CT600D, CT600E,
CT600I, CT600J

 

Yes

01932 855385
CCH Software CCH CorTAX CT600A, CT600B, CT600C, CT600E, CT600H, CT600J  
Yes
 0208 997 55 00

Abacus Enterprise Direct Tax Compliance

All

Yes

Yes

020 7303 68 98

Digita

Digita CoTax Pro

All

 

Yes

01395 270 311

Drummohr Technology Ltd

Tax Assistant

All

 

Yes

01592 753111

Forbes Computer Systems Ltd

ProTax CTSA

All
Plus Agent Authorisation

Yes

Yes

01908 584674

Infiniaccounts

CT600 (short calculation only)

Yes

0207 255 2557

IRIS software

IRIS Business Tax

All

 

Yes

01753 212200

Keytime Systems

Keytime Corporation Tax 2006

All

 

Yes

0845 456 3103

Legatio Technologies Ltd

Ftax Company

All

  

Yes

01793 238285

Legatio Technologies Ltd

Ftax Practice

All

  

Yes

01793 238285

PTP Software Ltd

Corporation Tax Platform 2.02

All

Yes

01865 370470

Quality Management Ltd

CT6002008

All except 2005

 

Yes

01483 429 078

Sage (UK) Limited

Sage Corporation Tax (powered by Abacus) - Other modules

All

Yes

Yes

0845 111 11 11

Sage (UK) Limited

Sage Corporation Tax (powered by Abacus) - 'Lite' module

CT600A, CT600C & CT600J

Yes

Yes

0845 111 11 11

Tax Computer Systems Ltd

Alphatax

All Plus Agent Authorisation

Yes

Yes

01784 410369

Third Party Software Products and Online Forms:

  • We are not able to recommend or endorse any one product or service over another
  • We cannot provide support for these third party products. Any queries or difficulties experienced by users should be taken up directly with the third party supplier
  • The third party suppliers have provided the contact details above and we cannot therefore guarantee that they are correct or assist if you are unable to contact them.
  • We are not responsible for the contents or reliability of these third party web sites and do not necessarily endorse the views expressed within them. We cannot guarantee that these links will work all of the time and we have no control over the availability of the linked pages.
  • If you are considering using a digital certificate, you must check that the software you are using also supports it.