2025

• Collaborative MICE Convention Center (CMCC HALL) Renewal
• Bliss Hall Renews Grace Hall
• Sign strategic business partnership with Albania's AUTO DARDAN
• Cooking Institute OSFA announces 'Korea's favorite buffet menu' survey (3,000 samples)

2024

• Renewal of Signature Live Kitchen Banquet Hall
• Renewal of Bliss Chapel Hall
• Korea National University of Broadcasting and Telecommunications - Grand Ostium Business Partnership Signed
• Signature Live Kitchen launches 'Michelin in Buffet'
• 2025 Korea Wedding Trend Keyword 'SNAKE OIL' Announced

2023

• A Better Way of Life My Alleged Membership Integrated Membership Service Grand Launch
• A Better Way of Life My Alleged Membership Integrated Membership Service Grand Launch
• 2023 World Scout Federation Jamboree 'Vegan Lunch Box' delivered 8,000 meals
• Agreement on the Use of the Re-entry Delivery Site by the Korea Human Resources Corporation
• OspaOSFA 'Korea's Favorite Buffet Menu' Survey Results Announced
• 2024 Korean Wedding Trend Keyword 'K DRAGON' Announced

2022

• Signing a partnership with the Korea Association of Certified Brokerage Business Cooperation (MOU)
• King's Terrace Renewal Opens, Queens Garden Grand Opens
• Wedding Planner Selection 'Delicious Wedding Hall'
• OSFA (Cooking Institute) announces 'Korean's favorite buffet menu'
• 2023 Korean Wedding Trend Keyword 'Rabbit Oyster RABBIT HOLE' Announced

2021

• 'Burin' Real Estate Workshop for Newly Weds
• Home styling interior business unit launched for newlyweds
• Premium Lunch Box Brand 'The Sodam' Launched
• Premium Home Party Starts Online Sales of Home Meal (Coupang, Naver Store, Ieum Mall, etc.)
• Grand Ostium Signs Partnership and Business Agreement for Football Cooperation in Incheon
• OSFA (Cooking Institute) announces 'Korean's favorite buffet menu'
• Grand Ostium Artwork Contest to be held
• 2022 Korean Wedding Trend Keyword 'Tiger PIT' Announced

2020

• Collaborative Meis Convention Center Online Reservation System Grand Open
• Signature Live Kitchen 'semi-processed food', 'catering', and 'lunchbox' business launched
• Better Way of Life Remembrance Service MyR 2.0 Launched
• Grand Ostium - Incheon MICE Alliance Association Member Company
• Launch of non-face-to-face counseling service to overcome COVID-19

2019

• Launching of Grand Ostium ‘Signature live kitchen’
• Expansion renewal of Grand Ostium ‘Bliss Hall’
• Opening of CMCC ‘King’s terrace’

2018

• Grand Ostium- Incheon MICE Alliance association member company.
• Launching of lunchbox brand.
• Launching of catering brand.
• Launching of ‘a better way of living, Remembership’.
• Start of Grand Ostium ‘the third grand open’
• Lunching of 2019 Republic of Korea ‘GOLD PIG’

2017

• Launching of Ostium’s’ 10-year anniversary ‘welcome kit’
• Opening of Grand Ostium lunch cafeteria ‘Munhak lunch’
• Publishing of ‘HOT DOG’ 2018 Republic of Korea wedding trend.

2016

• CMCC (Collabo MICE Convention Center
• Launching of Youth overseas support project (1st Global pacman)
• Holding of Grand Ostium-World Gourmet Salad Festival
• Publishing of Grand Ostium Sports Wedding product
• Publishing of 2017 Korea’s wedding trend ‘DIET COCK’

2015

• Opening of Grand Ostium Incheon Munhak Sports Convention Center
• ‘tomorrow hope workshop’ Innovation company (Ministry of Employment and Labor)
• Launching of Ostium Academy
• Launching of ‘Wedding Dining’ service brand.
• Publishing of ‘BANANA BOAT’ of 2016 Korea’s Wedding trend.