Professional Tax Software

Our Best Selling Service Package



Sigma 1040-CL is Sigma Tax Pro’s best selling service package. Sigma 1040-CL includes CrossLink Professional Tax Software and everything you need to make your tax preparation business successful this tax season. Our 1040-CL product comes in desktop and web based versions, if you need to file business returns such as Forms 1120 or 1065 you will need the desktop version. Sigma clients have their own dedicated account manager who will work with them throughout tax season to assist with tax preparation and software support. Sigma also offers a full range of bank products that can be used to ensure a best in class customer experience. Clients can receive their refunds quicker and easier choosing from direct deposit, in office check printing, as well as prepaid VISA/MasterCard options.

Sigma 1040-CL also includes a premium software solution powered by CrossLink® and offers clients all of CrossLink’s® state of the art technology. Sigma 1040-CL offers the CrossLink® Point-and-Shoot Error Correction™ and exclusive TextLink™ technology. This is must-have software for tax preparers who face a time crunch every tax season and need a software product than can handle high volumes of clients in a short period of time. Sigma 1040-CL clients can take advantage of CrossLink® technological advances to make their tax season run smoother than ever. Please click the demo links above to try either our desktop or web based versions.

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1040-CL Service Package


Dedicated account manager to support you and your staff throughout tax season

Tax preparation and software support when you need it

Bank Products include direct deposit, debit cards and in office check printing for preparers that

software solution

1040-CL Software


Work-in-Progress Screen for instant statusof returns, acknowledgements, rejects and check prints

Point-and-Shoot Error Correction™ takes you directly to errors for quick fixes

Easy-to-use forms-based input

Automatic software updates

All federal and state forms supported

1040-CL Web Based


Quick office set-up

Eliminates need for desktop support

Permission-based administration of offices and individual preparers

Customizable reports by location and individual tax preparer

Secure SSL Login

Why Sigma 1040-CL?

Electronic Signatures?

No Problem! Sigma 1040-CL allows you to capture taxpayer signatures electronically with the use of a signature pad through the CrossLink® Paperless Office Solution.

Scan and Store!

Keep in simple with a handheld scanner to Scan & Store taxpayer source documents. This will not only speed up the processing of returns but also meet government disclosure requirements.

No Time To Talk?

Put your thumbs to work and text message your clients directly from the software using CrossLink’s exclusive TextLink™ technology.

What About Security?

Sigma 1040-CL allows you to securely backup tax returns and taxpayer source documents for immediate access and use in the application by Secure Offsite Storage (S.O.S.) exclusively from CrossLink.

How Do I Get Started?

It’s simple, if you have more questions please call our toll free number to set up an appointment with one of our account managers today. If you are ready to purchase please click the purchase now button. You will then receive a link to download the software and an account manager will call you to get the required information to setup your account. If you would simply like more information then fill out the request information form to keep up to date on all new developments with Sigma 1040-CL!

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Customer Support

Sigma Tax Pro guarantees prompt and professional responses
to our clients

Tax Prep Support

If you have questions on tax guidelines we can provide
the answers you need

Audit Assistance

Audit Assistance will work with your client to get the refund they
are due

Resellers Program

Increase your revenue and leverage your connections within
the industry

Get Started Today

Experience our professional tax software.