Helimäki Ltd (Helimäki Acoustics) is a Finnish engineering office specialised in acoustics. The company was founded in 1996 by M.Sc (eng) Heikki Helimäki.

Today the company employs permanently ten highly qualified professionals and has a turnover of 800 TE. It has a reputation of being one of the rare Finnish acoustical consultants who can manage the whole chain of building project from programming and conceptual design to on-site inspection, measuring and to final tuning.

Helimaki Ltd's range of services covers:

* room acoustical design
* sound insulation in buildings
* noise control in HVAC systems
* noise control in power plants and other industrial plants
* sound system design
* vibration control
* calculations: industrial, traffic and train noise.

The company has up-to-date computer softwares and measurement equipments to serve it?s customers to a best manner.