| 1987 | Menegaz Osório e Cia Ltda. establishes itself in Rio Grande do Sul, presented as "Your direction in services". It starts its operations with two strong values: Environment Preservation and Constant Self-Improvement, looking forward to being recognized as an honest and trustworthy company to its clients. |
| 1996 | Changing its name to "Seta - Serviços Técnicos em Higienização Ltda.", and with a new look, "Quality of Life", the company creates a more secure and better environment to its client’s workers. |
| 1997 | Commemorating its ten years of history, the company starts a process which would be known as "Quality Habit", creating the commemorative stamp "Seta 10 years of quality". |
| 1999 | Being an innovative environment, the so called Seta - Serviços Técnicos em Higienização initiating its operations with its Danger Analysis and Critical Point Control Methodology (APPCC), a turning point to a better control of plagues and the promotion of a better integration with its collaborators. |
| 1999 | The company registers its logo, becoming "Bioseta Saúde Ambiental Ltda.", now established as one of strongest companies in Brazil in its segment. |
| 2000 | Becomes a member of the National Pest Management Association. |
| 2001 | By using non-aggressive processes and products, Bioseta Saúde Ambiental becomes pioneer in environmental licensing along with FEPAM. |
| 2003 | Bioseta wins its first "Social Responsability" prize in an event promoted by the Assembléia Legislativa do Estado Rio Grande do Sul. |
| 2003 | The company becomes a group with the creation of "Bioágua Ambiental", a company focused on water filtering and monitoring. |
| 2004 | Bioseta starts to develop phytosanitary control and quarantine treatments according to Brazilian's Agriculture Department exportation treatment norms for wooden boxes. |
| 2005 | In order to illustrate and consolidate its market position, Bioseta Saúde Ambiental creates the "Manejo Ambiental Seguro e Transparente - Safe & Transparent Environment Management" stamp. |
| 2005 | Bioseta becomes a recognized quarantine treatment and phytosanitary control center for exportation wooden boxes, showing to the market an original methodology and creating new standards. |
| 2005 | New website. |
| Today | Keeping up its professional history, along with respect to the people, organizations and its values, believing that "only the application of the knowledge aggregates value". |



