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We are one of the most experienced and largest Architectural Practices in Sri Lanka operating since 1998. Our team has a track record of having been involved in some of the largest and most prestigious construction projects both in Sri Lanka and overseas. Based in Colombo, our Design Competency is a complete reflection of the architecture we create and hold true to our unique innovative concepts.


We offer Architecture with the complete integrated design practice & Consultancy to any construction project in Sri Lanka and abroad. Our designs are always focused on innovative, creative and unique solutions that are viable in the given critical situations.

  • Architecture

    Our work is inspired by the contemporary outlook we have on architecture that allows for creative solutions with an exclusive design.

  • Consortium Consultancy

    From extensive reviews to consultant advice, we offer a range of service propositions to cater for your regulatory requirements.

  • Interior Design

    Moving beyond the mere design and aesthetics of interior spaces, we work towards the creation of lasting human experiences.

  • Project Management

    From strategic advice to complete project delivery, you are guaranteed project certainty with the full range of program and project management services.

  • Landscape Design

    arch international is committed to creating personalized gardens and outdoor spaces that are well integrated with architecture and urban design.

  • Master Planning & Urban Design

    Team combines the skills or planners, landscape and urban designers and architects to offer a full complement of services.

  • Specialized Consultancy

    Consultancy that focuses more closely on independent services with the aim of achieving effective solutions.

  • Graphic Design

    Effective and creative graphic design solutions that will cater to your requirements and enhance your business.

  • 2D & 3D Drafting

    Specialized architectural visualizations, 2D draughting, 3D Modelling, animations and presentations provided to suit your requests.


  • Hospitals
  • Commercial
  • Hotels
  • Apartments
  • Residences
  • Institutional


Ours is a professionally managed, well organized establishment with the finest management structure. The key executives have diversified industry experience that helps review performances at every stage enabling smooth flow across the organization. Arch International team consists of Chartered Architects, Interior designers, Landscape Designers, Chartered Engineers, Quantity Surveyors and Project Management Consultants. The company has a well managed experience of working with foreign consultants in special projects.

  • Sunil Ariyaratna Architect Sri Lanka
    Sunil Ariyaratna
    • Chairman
    • Chartered Architect
  • Pradika Maheswaran Architect Sri Lanka
    Ariya Gallage
    • ARB SL
  • Hemantha Gunasekera Architect Sri Lanka
    Romesh Fonseka
    • SLIA I
  • Chanaka Ariyaratna Architect Sri Lanka
    Chanaka Ariyaratna
    • Director/CEO
    • Chartered Architect
    • AIA SL , B.Arch (UOM) , RIBA II
  • Muditha Ariyaratna Architect Sri Lanka
    Muditha Ariyaratna
    • Director
    • Engineer
    • B.Eng(Civil)(Hons)(Monash), M.Eng&Mgt(Monash), MIEAust, CPEng, AMIESL
  • Udaya Jayasekara Architect Sri Lanka
    Udaya Jayasekara
    • Chartered Architect
    • AIA SL, B.Arch (UOM) , RIBA II
  • Nadeeka Hapuarachchi Architect Sri Lanka
    Nadeeka Hapuarachchi
    • Chartered Architect
    • AIA SL, B.Arch (UOM) , RIBA II
  • Palika Perera Architect Sri Lanka
    Palika Perera
    • Project Manager
    • BSc. Eng (Civil), B.Tech (Civil). MIE (SL)
  • Pradika Maheswaran Architect Sri Lanka
    Pradika Maheswaran
    • Interior Architect
    • BA. Int. Arch, M. Urban Vision & Arch. Design
  • Hemantha Gunasekera Architect Sri Lanka
    Hemantha Gunasekera
    • Architectural Licentiate

"Arch international has been developing rapidly due to our great efforts in ensuring client satisfaction from our high productivity and unmatched quality standards of architectural design and project management."


Just ask. Get answers, you are important to us. Reach us by phone or email. We've got everything covered for your needs.

No. 569, Nawala Road, Rajagiriya, Sri Lanka.

Telephone:+94 11 2862350, +94 11 2873313/4
Moblie:+94 77 - 3207474
Fax:+94 11 - 2873315
Email: projects@archinternational.net

© Archinternational (Priavte) Limited 2015. All Rights Reserved
Developed by: Ingens