Architects Division
Design architects, detailing architects, visual designers, landscape architects and interior designers translating investor ambition into spatial reality.
Saiga Index Enterprise Limited · Established 2019
Architectural design, engineering and infrastructure intelligence for landmark spaces.
SIEN Group unifies sophisticated aesthetic planning with complex engineering, construction management and development consultancy to deliver resilient commercial, civic, healthcare, hospitality and residential assets.
Studio Profile
A multidisciplinary group built for complex delivery.
Established in 2019, SIEN Group Limited is a multidisciplinary design, development and infrastructure consulting firm. The studio brings together architects, engineers, planners, quantity surveyors and construction managers under one coordinated delivery framework.
Our mandate is to streamline regulatory workflows, reduce budget overruns and coordinate high-end builds through integrated design, engineering and project execution leadership.
End-to-end consultingCompliance-led deliveryAsset value focus
Engineering Division
Structural, mechanical, electrical, civil and service engineers ensuring safety, compliance, load mechanics and operational functionality.
Quantity Surveyors
Cost schedules, tender models, budget control and implementation advice for commercially disciplined delivery.
Planning Team
Urban designers, physical planners and land surveyors coordinating property space management, compliance and neighborhood context.
Construction Managers
Execution leaders managing site activity, material schedules, civil standards, labour safety and strict deadline controls.
Integrated Brain Trust
One coordinated team that navigates planning codes, load calculations, site parameters and high-end delivery requirements.
Leadership Team
Architecture · Engineering · Project Delivery
A leadership team built for design precision and engineering confidence.
Meet the professionals behind SIEN Group’s integrated architecture, structural engineering, planning, construction and project management delivery model.
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Architecture, project planning, administration and contract management for full-cycle delivery.
Principal Architect
Arch. Joash Obare
BORAQS A1589 · AAK MAAK 3696Arch. Joash Obare is the Principal Architect for SIEN Group. A registered Architect with Boraqs (A1589), and a member of AAK (MAAK 3696), Arch. Obare brings over 13 years of experience from Symbion International Architect to private practice and Kisii County Government. His training in Project Planning (Oracle), project management, administration, and contract management ensures high level design output and timely delivery from inception to construction, within cost and schedule.
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Structural engineering leadership, FIDIC contract knowledge and project planning discipline.
Principal Structural Engineer
Eng. Wycliff Mitunda
EBK Registered · IEK MemberEng. Wycliff Mitunda is the Principal Structural Engineer at SIEN Group. He is a registered engineer with the Engineering Board of Kenya (EBK) and a member of the Institution of Engineers of Kenya (IEK). He brings extensive professional experience and technical expertise, with training in FIDIC contracts, project management and project planning. His leadership, technical competence and collaborative approach contribute significantly to SIEN Group’s success and growth.
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Oteke brings a rich, vibrant multidisciplinary experience in Urban Design, Urban Planning, Research, Data science, and analytics, ensuring excellence in project life from ideas to reality.
Urban Designer & Planner
Oteke Sylvan
Urban Designer · SIEN GroupOteke Sylvan is the Urban Designer & Planner for SIEN group. Oteke brings a rich, vibrant multidisciplinary experience in Urban Design, Urban Planning, Research, Data science, and analytics, ensuring excellence in project life from ideas to reality. Oteke's collaborative teamwork spirit ensures seamless delivery through a mastery of forecasting, complex project documentation, risk analysis, and prevention.
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I design and oversee the implementation of critical infrastructure, including HVAC, fire suppression, and intricate hydraulic systems for high-density residential and commercial developments.
Mechanical engineer and MEP specialist
Benson Ali
Mechanical Engineer · SIEN GroupI am a consulting mechanical engineer and MEP specialist with 13+ years of experience in site supervision, digital construction, and building services design. Utilizing advanced BIM and drafting tools like Revit and AutoCAD, I design and oversee the implementation of critical infrastructure, including HVAC, fire suppression, and intricate hydraulic systems for high-density residential and commercial developments. Additionally, I consult on renewable energy engineering, specializing in the sizing and load scheduling of hybrid solar PV and thermal water heating systems to drive energy-efficient construction.
What SIEN Delivers
Design excellence with engineering certainty.
From early feasibility to site execution, SIEN positions each project as a long-term spatial and commercial asset.
Architectural Design & Consultation
Master planning, structural drafts, landscape strategy and detailed interiors.
Engineering Design & Supervision
Civil structures, mechanical installations, electrical service systems and load tracking.
Construction & Project Management
Hands-on site execution, materials handling, quality inspections and cost containment.
Urban & Cities Planning
Zoning alignment, physical planning subdivisions, statutory registrations and maps.
Development Consultancy
Municipal guidelines, land validation, project approvals and regulatory filings.
Real Estate Finance Advisory
Feasibility studies, material volume budgeting and investment-return projections.
Portfolio Intelligence
A balanced portfolio across residential, healthcare, hospitality, commercial, industrial and civic infrastructure.
The redesigned site turns SIEN’s project profile into a live visual dashboard that gives clients confidence before they even make contact.
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Completed · 4Construction ongoing · 8Design phase · 6
Signature Project Scale
49,000 sqmGuardian Mall built-up area
14,000Kisii Stadium spectator capacity target
1,200 roomsTrans-west PBSA accommodation model
100 bedsHBVM Narok Hospital target capacity
Selected Project Portfolio
Curated builds designed to be experienced, not just viewed.
Filter through SIEN’s residential, hospitality, healthcare, commercial, industrial, educational, sports and master-planning portfolio. Newly published projects from the SIEN admin portal appear here automatically.
Portfolio sync ready. Admin-uploaded projects will appear here when Supabase is connected.
Delivery Method
A disciplined workflow from ambition to built asset.
The site communicates SIEN’s value through a premium process timeline, showing clients exactly how architecture, engineering, approvals and site execution connect.
Discovery & Feasibility
Client brief, site context, commercial intent, feasibility and development direction.
Concept & Master Planning
Spatial strategy, massing, site layout, landscape response and preliminary design narratives.
Technical Design
Architectural detailing, structural design, MEP coordination and cost planning.
Approvals & Compliance
Planning submissions, statutory workflows, registrations and documentation support.
Construction Supervision
Quality inspections, materials tracking, programme controls and site coordination.
Close-Out & Asset Value
Final documentation, handover, operational readiness and long-term asset value thinking.
Strategic Partners
A trusted delivery ecosystem around SIEN.
Use this section to display the logos of companies, consultants, suppliers and specialist delivery partners SIEN has worked with. ELMA Irrigation is included as the irrigation, greenhouse, dam lining and solar pumping partner.
Water, irrigation & agricultural infrastructure partner
ELMA Irrigation
Specialist support in advanced irrigation systems, greenhouse installations, dam lining and solar water pump installation for sustainable water management.
Visit www.elmairrigation.co.keELMA IrrigationIrrigation & water systems
GreenAxisConstruction partners
AquaGridWater infrastructure
StoneBridgeStructural engineering
UrbanNestDevelopment partners
SkylineFabrication support
LumoraInterior detailing
CorePlanSurvey and planning
Verified Compliance Wall
Statutory confidence, displayed beautifully.
The certificates are no longer buried at the end. They are presented as a premium evidence wall with zoomable document cards and clear registration metrics.
CompanySaiga Index Enterprise Limited
Registration Date1 October 2019
Company No.PVT-6LU5A5L
KRA PINP051844189W
Connect with SIEN Group
Let’s design something iconic together.
Consult on architectural drafting, structural engineering, planning approvals, construction management, material supply strategy or project feasibility.
Emailinfo@sien.co.ke
Phone+254 726 541031
Phone+254 703 679534
Websitewww.sien.co.ke
HeadquartersMagharibi Place, Langata Road
Company ProfileDownload PDF