What ONG & ONG does

ONG&ONG Pte Ltd is a Singapore-headquartered multi-disciplinary design consultancy founded in 1972, providing architecture, engineering, landscape, interior design, lighting, masterplanning, project management, and brand engagement services under an integrated 360-degree model. It serves enterprise and public-sector clients across Asia, with notable projects including LTA MRT stations (Downtown Line, Thomson-East Coast Line, Circle Line), HDB public housing developments such as Tampines GreenFoliage and Tampines Greenopal, mixed-use landmarks including Great World City and City Square, and Vietnamese residential and mixed-use work for Vingroup. The firm operates owned offices in seven Asian countries (Singapore, Indonesia, Malaysia, Mongolia, Myanmar, Thailand, Vietnam) and maintains wholly-owned subsidiaries including OXD (Experience Design), Rankine&Hill (Engineering), SCA Design, Immortal, and Project Innovations, alongside the ONG Foundation established in 2012.

The firm is differentiated by its leadership in Building Information Modelling (BIM) and Integrated Digital Delivery (IDD), operating a dedicated Digital Technology department led by a Chief Digital Officer, with full-lifecycle BIM capability from conceptual design through facility management. It has earned multiple industry-leading recognitions including the BCA BIM Platinum Award (2016), ISO 19650 accreditation (2020), consecutive BCA IDD Platinum Awards (2021, 2022), TechBlazers Best Adoption for SME (2021), and Autodesk ASEAN Innovation Awards Innovator of the Year (2021, 2022). On the project pages more than 40 portfolio works are showcased spanning hospitality (e.g., Wyndham Hotel Singapore, Artzen Singapore, Marriott Harbour Bay), residential (HDB, condominiums, landed housing), commercial (NTP+, V on Shenton), education (Pathlight School, Surya Inspirasi Schools), and civic (Jurong Town Hall Bus Interchange, St Joseph's Church) sectors.

ONG&ONG generates revenue through project-based professional services fees on architecture, engineering, interior design, landscape, project management, and masterplanning engagements. Pricing is project-specific and not publicly disclosed. The go-to-market is direct enterprise and government engagement via the regional office network, targeting government and statutory boards, commercial and mixed-use developers, residential developers, and educational/institutional clients. The firm is privately held, founder/management-owned with no disclosed institutional investors or public listing.

Name

ONG & ONG

Legal name

ONG&ONG Pte Ltd

Website

https://ong-ong.com

Company type

Private

Founded year

1972

Operating status

Operating

Headcount range

501–1,000 employees

Short description

ONG&ONG is a Singapore-headquartered, multi-disciplinary design consultancy founded in 1972 providing integrated architecture, engineering, interior, landscape, and project management services to government, developer, and enterprise clients across seven Asian countries.

Ownership category

akta.pro rank

Headquarters

HQ city

Singapore

HQ country

Singapore

HQ region

Asia

Offices7 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Design Consultancy Services: ONG&ONG generates revenue through professional design consultancy services including architecture, engineering, landscape, interior design, project management, and masterplanning services. Revenue is earned through project-based fees for design consultancy and project management services across infrastructure, commercial, residential, and hospitality projects.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

ONG&ONG provides holistic 360-degree design consultancy services spanning architecture, engineering, interior design, landscape architecture, lighting, masterplanning, brand engagement, and project management for infrastructure, commercial, education, and high-density residential developments. The firm operates as a single integrated practice delivering end-to-end design-to-completion solutions for government agencies and private developers across Asia. Service delivery is underpinned by a dedicated Digital Technology department applying BIM, IDD, and VDC across the entire project lifecycle from concept through facility management.

Product overview

ONG&ONG operates as a holistic 360 solution consultancy with a multi-disciplinary design portfolio spanning architecture, engineering, interior design, landscape, lighting, masterplanning, project management, and brand engagement. The firm is organized under the parent ONG&ONG Group and includes the experience design subsidiary OXD (ONG&ONG Experience Design), which focuses on human-centred design thinking for transforming organizations. A dedicated Digital Technology department provides BIM and IDD services across all projects. The core consultancy serves infrastructure, education, commercial, and high-density residential sectors across Asia.

Differentiator

Problem solved

Functional benefit

Brands

• OXD (ONG&ONG Experience Design): The Experience Design arm of ONG&ONG, focused on creating and building experiences through a complete 360 design approach. Works with clients in innovation to transform organizations to become more user-centric and customer focused.

Products and services

• ONG&ONG 360-Degree Design Consultancy Holistic multi-disciplinary 360-degree design consultancy covering architecture, engineering, interior design, landscape, lighting, masterplanning, brand engagement, experience design, and project management for infrastructure, education, commercial, and high-density residential developments across Asia.
• OXD (ONG&ONG Experience Design) Experience design subsidiary focused on creating human-centric experiences through the integration of physical environments, brand communication, and work processes. Offers services including strategy and consulting, service design, education and capability building, and research studies for clients such as OCBC, Singapore Airlines, and Sentosa.
• Project Innovations (Project Management Services) Specialised project management consultancy within the ONG&ONG Group providing project management services alongside the architecture and engineering practices.
• Rankine&Hill (Engineering Consultancy) Engineering consultancy within the ONG&ONG Group providing mechanical, electrical, and fire safety engineering services for building projects; one of the oldest engineering consultancies in Singapore with origins dating to 1980.
• SCA Design (Interior Design) Strategic interior design and workplace practice within the ONG&ONG Group delivering interior design and workplace strategy projects including notable collaborations such as the NHG Health Group Office project.
• Immortal (Specialised Design Services) Specialised design services subsidiary within the ONG&ONG Group providing design expertise alongside the core consultancy practice.
• Digital Technology (BIM/IDD/VDC Services) Dedicated Digital Technology department offering Building Information Modelling (BIM), Integrated Digital Delivery (IDD), and Virtual Design & Construction (VDC) services across the full project lifecycle from conceptual design through construction documentation to facility management, supporting multi-disciplinary project delivery.

Quantifiable outcome

• Over 45 design and green awards for projects including MRT stations and high-density residential developments
• +2 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered core, strategic and minor.

• OXD (ONG&ONG Experience Design)coreOthersOXD is the Experience Design arm of ONG&ONG, focused on creating and building beautiful experiences through a complete 360 design approach. OXD works with clients in innovation to transform organizations to become more user-centric and customer focused, applying design thinking as a core part of the design process. OXD operates as a distinct entity within the ONG&ONG Group with its own website and project portfolio including work for OCBC, Singapore Airlines, and Sentosa.
• Project InnovationscoreOthersPart of the ONG&ONG Group of companies providing specialized project innovation services.
• Rankine&HillcoreOthersPart of the ONG&ONG Group, providing engineering consultancy services. One of the oldest engineering consultancies in Singapore with history dating back to 1980.
• SCA DesignstrategicImplementation/ SI/ Consulting PartnerSCA Design is a strategic partner collaborating with ONG&ONG on interior design and workplace projects. Notable collaboration on NHG Health Group Office project where SCA Design worked alongside ONG&ONG to create a human-centred, inclusive workplace environment reflecting client values.
• ImmortalcoreOthersPart of the ONG&ONG Group providing specialized design services.
• Awaken GroupminorStrategic or Co-development PartnerCollaborated with fellow experience designers Awaken Group on the Sentosa Port of Lost Wonder project, Singapore's first beach club for kids spanning 5,000 square meters. OXD team contributed to customer-centric experience design while Awaken Group provided additional design expertise.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Foster + Partners: Global architecture firm with leading Asia practice delivering mixed-use, transport, and masterplanning projects. Competes at the upper end of the same mixed-use and infrastructure mandates across Asia.
• AECOM: Global design, engineering, and construction services firm with extensive Asia presence. Competes for transit, infrastructure, and large-scale mixed-use projects as part of broader portfolio rather than specialised design focus.
• Arcadis: Global design and consultancy firm delivering architecture, engineering, and project management across sectors. Overlaps on commercial, residential, and infrastructure work in the same Asian markets.
• Surbana Jurong: Large Singapore-headquartered urban/infrastructure consultancy with architecture, engineering, and planning capabilities. Competes for the same large-scale government infrastructure and masterplanning mandates with greater scale and government ownership.

Direct peers

• DP Architects: Singapore-headquartered architecture firm with comprehensive multi-disciplinary practice (architecture, urban design, interiors) and strong presence across Asia. Closest head-to-head competitor for Singapore government, residential, and commercial commissions.
• Aedas: Global architecture firm with major studios across Asia including Singapore. Provides integrated design, masterplanning, and interior services for mixed-use, transport, residential, and commercial projects overlapping directly with ONG&ONG's portfolio.
• WOHA Architects: Singapore-based architecture firm specialising in sustainable, high-density tropical design. Competes for the same public-housing-adjacent, hospitality, and institutional commissions and shares the design-and-green awards positioning.
• RSP Architects Planners & Engineers: Singapore-based multi-disciplinary design consultancy offering architecture, planning, and engineering. Directly comparable holistic 360 model competing for the same LTA, HDB, and private developer clients.
• Benoy: UK-headquartered architecture, masterplanning, and interior design firm with significant Asia-Pacific footprint. Competes for commercial, retail, hospitality, and mixed-use commissions across the same Southeast Asian geographies.
• Broadway Malyan: International design practice with strong Asia operations covering architecture, masterplanning, interiors, and landscape. Comparable integrated multi-disciplinary offering targeting mixed-use and residential sectors.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/ongong360
• Facebookfacebook.com/ongong360
• LinkedInlinkedin.com/company/ongong360
• Instagraminstagram.com/ongong_360
• Pinterestpinterest.com/ongong360/boards

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ONG & ONG