The 7 Largest Architectural Design Firm in Bangkok

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Thailand is home to a number of world-renowned architectural design firms. Here are the five largest architectural design firms in Thailand, based on their revenue and reputation.

  • Plan Architect Co., Ltd.

    • Plan Architect Co., Ltd. is one of the leading architectural design firms in Thailand, with a team of over 100 architects and designers. The firm has a wide range of experience in designing buildings of all types, including residential, commercial, and institutional. Some of their notable projects include the Siam Paragon shopping mall, the Emporium shopping mall, and the Four Seasons Hotel Bangkok.

  • Design 103 International Co., Ltd.

    • Design 103 International Co., Ltd. is another major architectural design firm in Thailand. The firm was founded in 1994 and has since completed over 1,000 projects in Thailand and around the world. Some of their notable projects include the King Power Mahanakhon, the tallest building in Thailand, and the Siam Center shopping mall.

  • A49 Co., Ltd.

    • A49 Co., Ltd. is an architectural design firm that was founded in 1987. The firm has a team of over 50 architects and designers, and they have completed over 500 projects in Thailand and around the world. Some of their notable projects include the CentralWorld shopping mall, the Erawan Shrine, and the Wat Pho temple.

  • Architects 49 Co., Ltd.

    • Architects 49 Co., Ltd. is an architectural design firm that was founded in 1997. The firm has a team of over 30 architects and designers, and they have completed over 300 projects in Thailand and around the world. Some of their notable projects include the Baiyoke Tower II, the tallest hotel in Thailand, and the Terminal 21 shopping mall.

  • Urban Architecture Co., Ltd.

    • Urban Architecture Co., Ltd. is an architectural design firm that was founded in 1999. The firm has a team of over 20 architects and designers, and they have completed over 200 projects in Thailand and around the world. Some of their notable projects include the Siam Discovery shopping mall, the IconSiam shopping mall, and the King Chulalongkorn Memorial Hospital.

A49 in Bangkok
A49 in Bangkok

The 7 Biggest Architectural Design Firm near Bangkok

JARKEN Architect and Interior Design

  • Address: 11, 24 New Phetchaburi 47 Alley, Lane 3, Bang Kapi, Huai Khwang, Bangkok 10310, Thailand
  • Map: Click here
  • Rating: 4.9 (100)
  • Phone: +66 2 314 4632
  • Website:
  • Opening hours:
    Monday: 9:00 AM – 6:00 PM
    Tuesday: 9:00 AM – 6:00 PM
    Wednesday: 9:00 AM – 6:00 PM
    Thursday: 9:00 AM – 6:00 PM
    Friday: 9:00 AM – 6:00 PM
    Saturday: Closed
    Sunday: Closed
  • Reviews:
    App Lond✭✭✭✭✭
    a month ago
    We have collaborated with the team of designers for many years. The company is a reliable business partner and always on time. Trust worthy in design and top class in service. As a supplier in decoration material I would recommend anyone looking for good interior design company in Thailand.
    Nanwai Waisan✭✭✭✭✭
    a month ago
    Amazing architect and decor team. They have my house design followed by full supervised construction service and most importantly very responsive after sale. It is rare to find an absolutely fantastic turnkey service.
    เกษิณี บุญมาก✭✭✭✭✭
    a year ago
    I’ve worked with Khun Jan on 3 projects now and would highly recommend her and this firm. Very professional and efficient, most importantly succesful output. In particular her team were great to work with. My projects are just beautiful as expected.
    Rachel Brealey✭✭✭✭✭
    2 months ago
    Great work with our condo. Thanks for being so patient listening to our requirements. Big team and I would recommend your company for anyone looking for professional design service. Well done again!
    Treeurai S.✭✭✭✭✭
    a month ago
    very professional, creative, absolutely delight working with Jarken 🙂

Openbox Architects co.,ltd

  • Address: 20 Bupphajit Building, 12th Floor, Silom , Bangrak District North, Sathon, Bangkok 10120, Thailand
  • Map: Click here
  • Rating: 4.9 (16)
  • Phone: +66 2 026 3236
  • Website:
  • Opening hours:
    Monday: 9:00 AM – 6:00 PM
    Tuesday: 9:00 AM – 6:00 PM
    Wednesday: 9:00 AM – 6:00 PM
    Thursday: 9:00 AM – 6:00 PM
    Friday: 9:00 AM – 6:00 PM
    Saturday: Closed
    Sunday: Closed
  • Reviews:
    P J✭✭✭✭✭
    6 years ago
    Great Design company
    Nevermind Me✭✭✭✭✭
    4 years ago
    ????????
    October Flower✭✭✭✭✭
    6 years ago
    I really love the owner of the company, Khun Nui, Khun Prang, great work, really great, world class. Very real, number 1 in Thailand
    4 bdtdr✭✭✭
    6 years ago
    bt
    Pohnphat Piyajanvijit✭✭✭✭✭
    4 years ago

OBA Office of Bangkok Architects

  • Address: Bldg.1, 12th Floor, Vanit, 1126/1 New Petchaburi Rd, Makkasan, Ratchathewi, Bangkok 10400, Thailand
  • Map: Click here
  • Rating: 4.5 (22)

A49

  • Address: 81 Soi Sukhumvit 26, Khlong Tan, Khlong Toei, Bangkok 10110, Thailand
  • Map: Click here
  • Rating: 4.6 (86)

Delcoi Interior Design and Renovation Services in Bangkok ผู้รับเหมา ตกแต่งภายใน ออกแบบสำนักงาน รีโนเวทบ้าน

  • Address: 62 The Millennia tower Unit.1806, Soi Langsuan, Lumphini, Pathum Wan, Bangkok 10330, Thailand
  • Map: Click here
  • Rating: 4.8 (23)

I’ll design studio co.,ltd.

  • Address: 52/40 Krungthep Kritha 15 Alley, Thap Chang, Saphan Sung, Bangkok 10250, Thailand
  • Map: Click here
  • Rating: 4.8 (23)

Plan Architect co.,Ltd.

  • Address: 64 Sathon Soi 10, Silom, Bang Rak, Bangkok 10500, Thailand
  • Map: Click here
  • Rating: 4.6 (20)
A49 in Bangkok
A49 in Bangkok

Explore prominent consulting firms in neighboring countries, such as those referenced in , to gain insights into the dynamic business landscape of ASEAN. These firms contribute to the region’s enterprise vibrancy, positioning Bangkok, Thailand as a hub for strategic insights and innovative solutions.

Top Architectural Design Firm Alternatives in Bangkok

Thailand, officially the Kingdom of Thailand and also known historically as Siam (the official name until 1939), is a country in Southeast Asia on the Indochinese Peninsula. With a population of almost 70 million, it spans 513,120 square kilometres (198,120 sq mi). Thailand is bordered to the northwest by Myanmar, to the northeast by Laos, to the southeast by Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the southwest by the Andaman Sea; it also shares maritime borders with Vietnam to the southeast and Indonesia and India to the southwest. Bangkok is the nation's capital and largest city. Tai peoples migrated from southwestern China to mainland Southeast Asia from the 6th to 11th centuries. Indianised kingdoms such as the Mon, Khmer Empire, and Malay states ruled the region, competing with Thai states such as the Kingdoms of Ngoenyang, Sukhothai, Lan Na, and Ayutthaya, which also rivalled each other. European contact began in 1511 with a Portuguese diplomatic mission to Ayutthaya, which became a regional power by the end of the 15th century. Ayutthaya reached its peak during the 18th century, until it was destroyed in the Burmese–Siamese War. Taksin quickly reunified the fragmented territory and established the short-lived Thonburi Kingdom. He was succeeded in 1782 by Buddha Yodfa Chulaloke, the first monarch of the current Chakri dynasty. Throughout the era of Western imperialism in Asia, Siam remained the only nation in the region to avoid colonization by foreign powers, although it was often forced to make territorial, trade, and legal concessions in unequal treaties. The Siamese system of government was centralised and transformed into a modern unitary absolute monarchy during the reign of Chulalongkorn. In World War I, Siam sided with the Allies, a political decision made in order to amend the unequal treaties. Following a bloodless revolution in 1932, it became a constitutional monarchy and changed its official name to Thailand, becoming an ally of Japan in World War II. In the late 1950s, a military coup under Field Marshal Sarit Thanarat revived the monarchy's historically influential role in politics. Thailand became a major ally of the United States and played an anti-communist role in the region as a member of the failed SEATO, but since 1975 it has sought to improve relations with Communist China and Thailand's neighbours. Apart from a brief period of parliamentary democracy in the mid-1970s, Thailand has periodically alternated between democracy and military rule. Since the 2000s, the country has been caught in continual bitter political conflict between supporters and opponents of Thaksin Shinawatra, which resulted in two coups (in 2006 and 2014), along with the establishment of its current constitution, a nominally democratic government after the 2019 Thai general election, and large pro-democracy protests in 2020–2021, which included unprecedented demands to reform the monarchy. Since 2019, it has been nominally a parliamentary constitutional monarchy; in practice, however, structural advantages in the constitution have ensured the military's continued influence in politics.Thailand is a middle power in global affairs and a founding member of ASEAN, and it ranks very high in the Human Development Index. It has the second-largest economy in Southeast Asia and the 23rd-largest in the world by PPP, and it ranks 91st by nominal GDP per capita. Thailand is classified as a newly industrialised economy, with manufacturing, agriculture, and tourism as leading sectors.

The Biggest Architectural Design Firm in Thailand

Bangkok is known for its stunning architecture and innovative design. If you are looking for a top architectural design firm in the city, here are three options to consider:

  • DBALP Architects: DBALP Architects is a highly regarded architectural design firm in Bangkok. They have been in the industry for over 20 years and have worked on a wide range of projects including residential, commercial, and hospitality. They are known for their modern and sustainable designs, and their team of talented architects and designers are committed to creating spaces that are not only aesthetically pleasing but also functional and environmentally friendly.
  • Plan Architect: Plan Architect is another top architectural design firm in Bangkok. They have a reputation for creating unique and innovative designs that are tailored to the client’s needs and requirements. They offer a wide range of services including architectural design, interior design, and construction management. Their team of architects and designers are skilled in handling complex projects and are dedicated to delivering high-quality results.
  • Flat12x: Flat12x is a renowned architectural design firm that specializes in residential and commercial projects. They are known for their minimalist and contemporary designs that embrace simplicity and functionality. With a focus on attention to detail and quality craftsmanship, Flat12x creates spaces that are timeless and elegant. They have a team of experienced architects and interior designers who work closely with clients to translate their vision into reality.

When choosing an architectural design firm, it is important to consider their expertise, portfolio, and reputation. These three firms in Bangkok have established themselves as leaders in the industry and have a track record of delivering exceptional design solutions.

Thank you for taking the time to read our article. For more in-depth reviews and comprehensive ratings on the Architectural Design Firm spots, please explore the recommended articles listed below.

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