Meinich Arkitekter AS arbeider mest for firmaer og privatpersoner, men arbeider gjerne også for det offenlige. Noen av oppdragsgiverne:
Private oppdragsgivere:
- Familien Braathen
- Familien Astrup
- Familien Klaveness
- Familien Lorentzsen
- Familien Eidsvig/Røkke
- Familien Knudtzon
- Familien Storm
- Familien Witzøe
Profesjonelle oppdragsgivere:
- Asker Entreprenør AS
- Bakke AS
- Bakke Bolig AS
- Betonmast Oslo AS
- Canica AS
- Coop Norge AS
- Coop Øst Eiendom AS
- Coop Vestviken SA
- Fagerstad Utvikling AS
- Gjermundsen Auto AS
- Hadrian Eiendom AS
- Hent AS
- Kirkevergen i Oslo
- Lilleberg Eiendom AS
- Læringsverkstedet AS
- Møller Bil Eiendom AS
- Nordstrand Menighet
- Norgesgruppen AS
- OBOS Eiendom AS
- Olav Thon Gruppen
- Ove Skår AS
- Profier AS
- Pecunia AS
- Plantasjen AS
- Ragde Eiendom AS
- Risto AS
- Salmar AS
- Scandinavian Property Group AS (SPG)
- Storm Eiendom AS
- Tesla Norway AS
- Ulnica AS
- Urbanium Eiendom AS
- Veidekke Eiendom AS
- Ø. M. Fjeld Utvikling AS
- Øystein Tvenge
- Aase Utvikling AS