Pathumma
100 guests max1,550 sq.ft.42.979003 × 23.622 × 15.41995 ft
991, Siam Kempinski Hotel Bangkok, 9 Rama I Rd, Pathum Wan, Bangkok 10330, Thailand
Directly connected to Siam Paragon, one of Southeast Asia's premier luxury retail destinations, Siam Kempinski Hotel Bangkok offers a rare urban address where convenience and grandeur converge without compromise. The property opened in 2010 as part of the Kempinski Hotels group — Europe's oldest luxury hotel chain — and has since established itself as one of Bangkok's foremost addresses for large-scale corporate gatherings, high-profile weddings, and international MICE programmes. With a maximum floating capacity of 900 guests and multiple distinct event spaces across its dedicated function floor, the hotel serves planners who require both scale and precision in one of Asia's most dynamic meeting cities.
The hotel's primary ballroom, the Grand Ballroom, accommodates up to 800 guests in a banquet configuration and features a clear ceiling height that supports full-scale production rigging, wide-format LED walls, and split-room configurations for concurrent breakout use. A dedicated pre-function foyer adjoins the ballroom, providing structured arrival flow and registration space critical for large delegate counts. The Chakri Suite and additional meeting rooms on the function floor cater to smaller boardroom sessions, training workshops, and hollow-square formats, offering planners genuine flexibility to run multi-track conference programmes under one roof. In-house audio-visual support and dedicated event Wi-Fi infrastructure are available throughout the function floor.
For weddings, the Grand Ballroom's proportions — combined with the hotel's in-house catering capability spanning Thai, Asian, and international cuisine — allow event teams to deliver seated wedding banquets for hundreds of guests without sourcing external catering. A dedicated wedding planning team operates on-site, coordinating décor, food and beverage, and day-of logistics directly with the couple and their planner. For social celebrations and product launches, the outdoor pool terrace provides an alternative setting with Bangkok skyline views, suited to cocktail-format events of a smaller scale. Planners should note that the property sits within the Siam commercial district, which means vehicular access and valet queuing during peak Bangkok traffic hours — particularly Friday evenings — requires advance coordination with the hotel's events operations team.
Siam Kempinski Hotel Bangkok holds a five-star classification and operates under the Kempinski Hotels brand standards, which include dedicated global MICE account management and a standardised RFP response protocol that simplifies multi-property comparisons for international corporate clients. The property has been recognised within regional luxury hospitality rankings and maintains Kempinski's group-level service certification, which directly translates to consistent pre-event planning support, structured turnaround timelines between back-to-back events, and a single point of contact for accounts managing repeat annual programmes in Bangkok.
Siam Kempinski Hotel Bangkok is listed on Spalba with venue specifications, capacity charts, and floor layout references that allow planners to shortlist and compare the property against other five-star Bangkok event spaces before initiating a formal inquiry. Using Spalba's inquiry tools, corporate bookers and independent wedding planners can submit structured event briefs — covering date, format, delegate count, and catering requirements — directly to the hotel's events team, reducing the back-and-forth typical of early-stage venue assessment. For planners evaluating Bangkok for an upcoming conference, gala, or social event, the listing provides the verified data points needed to move from discovery to decision with confidence.
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The Grand Ballroom at Siam Kempinski Hotel Bangkok accommodates up to 1,200 guests in a cocktail reception format and up to 800 guests in a banquet layout, making it one of the largest luxury hotel ballrooms in Bangkok's Siam district. Planners can explore floor plans and submit capacity-specific enquiries directly through the property's Spalba listing.
The hotel offers multiple dedicated meeting and event spaces, including the Grand Ballroom, the Siam Ballroom, and a series of breakout meeting rooms. Spaces can be configured for theatre, banquet, classroom, and boardroom formats. Each room is equipped with professional audiovisual infrastructure and natural daylight access. The Spalba listing provides individual room capacities and floor plan options.
The hotel features outdoor pool terrace areas suitable for cocktail receptions and intimate social gatherings. These spaces can be combined with indoor ballroom setups for multi-format events. Availability and capacity for outdoor areas vary by season and event type. Planners are advised to confirm outdoor space specifications and weather contingency options via a direct Spalba enquiry.
Siam Kempinski Hotel Bangkok operates a fully in-house catering team offering Thai, Asian, and international cuisine. The culinary team accommodates dietary requirements including vegetarian, halal, and allergen-specific menus. As a luxury hotel venue in the Siam district, customised menu curation with dedicated banquet chefs is available for weddings and corporate events. External catering is not permitted.
The hotel provides built-in LED screens, high-definition projectors, PA sound systems, and dedicated high-speed Wi-Fi across all event spaces. A professional on-site technical crew supports setup, live operation, and breakdown for conferences and product launches. Hybrid and livestreaming capabilities can be arranged. Specific technical specifications for each space are available through the Spalba property listing.
Siam Kempinski Hotel Bangkok offers 303 rooms and suites, including Superior Rooms, Deluxe Rooms, and a range of suites with views over the hotel gardens and pool. Dedicated room block allocations for conference delegates and wedding guests can be arranged in advance. Day-use room options for outstation guests attending daytime events are also available on request.
Siam Kempinski Hotel Bangkok is approximately 30 kilometres from Suvarnabhumi International Airport, with an estimated transfer time of 45 to 60 minutes by road depending on traffic. The hotel is directly connected to Siam BTS Skytrain Station via an air-conditioned walkway through Siam Paragon mall, making it one of Bangkok's most accessible luxury event hotels for both domestic and international delegates.
Valet parking is available for guests attending events at the hotel. Additionally, Siam Paragon's extensive multi-storey car park, directly adjacent to the property, provides substantial self-parking capacity for large-scale events. Planners coordinating high-attendance functions should contact the hotel in advance to confirm valet coordination and any parking validation arrangements through the Spalba enquiry channel.
The hotel is fully accessible, with step-free entrances, lift access to all event floors, and accessible restroom facilities. Guest rooms designed for differently-abled visitors are available and can be pre-allocated as part of a room block booking. Event planners requiring specific accessibility arrangements for guests with mobility or sensory requirements are encouraged to note these at the enquiry stage on Spalba.
For large-scale events such as gala dinners, corporate conferences, and weddings at this Bangkok luxury hotel venue, a lead time of six to twelve months is strongly recommended, particularly for peak season dates between November and February and during Thailand's major public holidays. Sending a detailed enquiry through the Spalba listing early secures preferred dates and allows time for menu, décor, and AV planning.
Once an enquiry is submitted via the Spalba listing, the property's dedicated events sales team responds with a tailored proposal covering space availability, capacity configurations, and indicative pricing. Planners can use Spalba's platform to compare proposals, request virtual walkthroughs, and manage communication in one place. Initial responses are typically provided within one to two business days.
Cancellation and postponement terms are governed by the hotel's event contract, which outlines notice periods and applicable charges on a sliding scale relative to the event date. Specific terms vary based on event size, contracted spend, and seasonality. Planners are strongly advised to review and clarify all cancellation clauses in detail before signing. The Spalba enquiry process facilitates direct contract discussion with the events team.
The hotel provides a dedicated wedding planning team that manages end-to-end coordination, from initial site visits to ceremony setup and reception execution. As a five-star Bangkok wedding venue, it supports both civil and traditional ceremonies across multiple indoor and outdoor spaces. Bridal suites are available for pre-ceremony preparations. Wedding packages covering décor, florals, catering, and accommodation can be customised through the Spalba listing enquiry.
The hotel offers structured MICE packages that include meeting room rental, audiovisual equipment, coffee breaks, working lunches, and accommodation room blocks for multi-day conferences. Dedicated corporate event managers are assigned to each booking. Packages are flexible and scalable from small boardroom sessions to full-hotel-buyout conventions. Detailed package documentation is available upon submitting a corporate enquiry through the Spalba platform.
As an internationally operated property in Thailand, Siam Kempinski Hotel Bangkok issues tax-compliant invoices inclusive of applicable VAT, which currently stands at seven percent in Thailand. Corporate clients requiring formal purchase orders, company name billing, or multi-currency payment arrangements should specify these requirements at the enquiry stage. The events finance team coordinates billing structures to meet institutional procurement requirements.