Design and R&D Service Agencies in Lahti region

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Visiting & Postal Address

Tmi Täpinäpähkinä
Olli Järvinen
Vesijärvenkatu 15, 3 krs.
FI-15140 LAHTI




Tmi Täpinäpähkinä is a dynamic one-man agency. I have worked as an entrepreneur since 1999. My services include graphic design, web design, illustration, print layouts, audio and music production as well as public performances.

Designers & R&D Experts of the Company

Olli Järvinen | Entrepreneur, Graphic Designer, Illustrator


  • Visual and technical implementation of marketing materials. Customer: Fitra Oy.
  • Redesign of online services and printed materials. Customer: Läänin kuljetus Oy.
  • Design and implementation of the visual image of the book ‘Kapasiteetti – Johtajan menestystekijä’ (Capacity – Success Factor of Leaders). Visual redesign of training and assignment materials and illustration graphics of presentations. Customers: Fitra Oy & Ironcoaching Oy.
  • Visual design, illustration and other graphic and layout work for books in 2012–2015; approximately 30 commissions in total. Customers: Fitra Oy & Docendo Oy.
  • Design and layout of an 8-part training guide series. Production of audio tracks for podcasts/educational videos. Customer: Trainer4You Oy.

Main Branch

Graphic Design.


Branding & Brand Management.
Digital Media Design.
Graphic Design.
Layout Design.
Sound Production.
Visual Identity Design.
Web Graphics.

Special Know-How

Sound & music production. Voice acting & singing. Performing artist.