Special offers

Special offers

Join our Goldschmidt Barcelona workshop for only €120!

Barcelona workshop

Sign up for our famous Reactive Transport Modelling workshop in Barcelona, the captivating and cosmopolitan capital of Spain's Catalonia region, for only €120 when you register for the Goldschmidt 2019 conference!

The workshop takes place August 17-18, immediately preceding the Goldschmidt. Simply add “A Hands-on Course in Reactive Transport Modelling” to your cart when you register, or return to the shop and add it to your purchases.

Please see our Barcelona workshop page for more details. Workshop registration opens in late January and ends July 18. The 2018 workshop filled several months early, so don't delay!

Subscribe to the GWB!


Check out our flexible subscription plans—from 3 months to three years—for the GWB and ChemPlugin! Subscriptions offer the lowest initial cost and the least five-year cost of ownership.

With a subscription, you are always running the latest release and never pay for an upgrade. Plus, there are no budgeting surprises or capex accounting for your organization.

Please visit our online order page and subscribe to the plan that best meets your needs!

Up to two years FREE kick-off period!


Upgrade to a GWB12 subscription and receive a kick-off period of up to two years absolutely free! With a GWB subscription, you are always running the latest release and never pay for an upgrade.

Contact us today to request your upgrade quote, including your free kick-off period. We will respond within one business day with a link to complete the sale online.

Discount at upcoming workshops for returning participants!

GWB workshop

We would love to see you again!

Participants in our previous workshops are eligible for a special discount on registration for our upcoming springtime workshop in Chicago.

This discount may be combined with early registration discount only.