The provided URLs and LinkedIn page do not directly relate to the MMR Group discussed in the search results. However, based on the search results, MMR Group is a leading provider of electrical construction and instrumentation services. They offer services like electrical installation, power distribution, and commissioning across sectors such as energy, chemical, and industrial manufacturing. Their unique selling proposition is their ability to adapt across various industries and provide exceptional safety and quality standards. Their target audience includes major industrial and energy companies. For the specific company at http://www.mmrgroup.pl, additional information would be needed to provide a detailed summary.