James Fisher and Sons, a British provider of marine engineering services, completed the acquisition of Martek Holdings, a provider of a range of innovative safety and calibration systems and products to the marine sector, for £10m ($12m). "The acquisition of Martek further enhances James Fisher's capability to offer innovative solutions to the marine sector and provides a proven channel to market for the Group's adjacent products and services. We are very pleased to welcome Martek's team to the Group and look forward to a successful future together," Nick Henry, James Fisher Chief Executive Officer.