Sijelmassi & Partners · Architecture

Building with the memory of our elders, the tools of today.

Corporate and cultural architects in Casablanca, Rabat and beyond. Since 1984.

Corporate, coworking, hospitality and cultural projects across Morocco, Africa and internationally. Expertise in BIM, rammed earth and bioclimatic design. References : McKinsey, Bosch, IWG/Regus, Crédit Agricole du Maroc.

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1984

Founded

Marina de Casablanca — tours résidentielles et bureaux, Sijelmassi & Partners

Bureaux McKinsey & Company CFC Casablanca — première certification LEED Platinum d'Afrique

Bosch New Headquarters Casablanca — siège régional en terre crue, BIM LOD 400

Featured projects

18 flagship projects — corporate, institutional, coworking, cultural, hospitality, residential

Corporate · Regional HQ

Trusted by

McKinsey & Company BOSCH IWG · Regus · Spaces Crédit Agricole Cosumar General Treasury Min. of Environment CGI Eco-Media Group Tenor Foundation Yamed Yakeey

BIM Certification

An Autodesk-certified architect for BIM practice.

Revit Architecture Certified Professional — an international benchmark in BIM modelling. A technical guarantee for your corporate and institutional projects.

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Jaafar Sijelmassi

Managing architect — ENSAPLV Paris

Our conviction

We design tomorrow's African buildings from the intelligence of vernacular architecture.

Architecture firm founded in Casablanca in 1984. Corporate, institutional, hospitality and cultural projects across Morocco, Africa and internationally.

Our singularity: a rare combination on the continent — French training (ENSAPLV Paris), pan-African and international practice, high-level BIM mastery, and deep expertise in rammed earth and bioclimatic design. Experience gained in the Netherlands, Italy and India.

Explore our expertise →

Distinctive expertise

Five skills that shape every project.

A rare combination on the continent: French training (ENSAPLV), international experience, high-level BIM mastery, and deep practice in local materials and bioclimatic design. Full architectural services — from briefing to handover.

01 / 05

BIM & Revit LOD 400

Complete digital models and exploitable twins. Personal Autodesk certification.

02 / 05

Rammed earth & local materials

CEB, pisé, stabilised adobe. Low-carbon construction with no compromise on corporate standards.

03 / 05

Bioclimatic & low-tech

A passion for the vernacular. Natural ventilation, thermal inertia, solar shading. Lasting performance.

04 / 05

Urban acupuncture

Targeted interventions with strong social and environmental impact. Repair rather than demolish.

05 / 05

International corporate standards

A precise reading of large-account briefs — McKinsey, Bosch, IWG, Crédit Agricole. LEED, WELL and BREEAM frameworks.

Selected projects

A selection,
from 140+ completed projects.

A chronological and geographical reading of forty years of practice — corporate, hospitality, cultural, institutional and signature residential.

→Case study

Corporate · Regional HQ

Bosch New Headquarters

Casablanca · 12,381 m² · BIM LOD 400 · Rammed earth

Mixed-use · Signature

Marina de Casablanca

Casablanca, Morocco · 138,727 m² · Residential towers & offices

Corporate · Consulting

McKinsey & Company CFC

Casablanca · Africa's first LEED Platinum certified office

Institutional · Infrastructure

TGR — Hanging Garden Car Park

Rabat · General Treasury of the Kingdom

Cultural · Education

EIMD — Intl. School of Music & Dance

Rabat — Souissi · Tenor Foundation

Cultural · Open-air stage

EIMD — Open-Air Theatre

Rabat — Souissi · Acoustic shell

Institutional · Government

State Secretariat for the Environment

Rabat · Headquarters · 2007

Coworking · IWG Group

Spaces Anfa Place

Casablanca · 400 workstations · IWG / Regus

Coworking · IWG Group

Spaces Rabat

Rabat · IWG / Regus · Premium fit-out

Facility · Early childhood

Chami Nursery

Bouskoura · Private commission

Retail · Shopping centre

T-Gallery Sable d'Or

Sable d'Or · Mall & leisure

Residential & tourism · Signature

Résidence 3 Palmiers

Marrakech · CGI · Delivered 1995

Hospitality · 5-star

5-Star Hotel

Casablanca · Private commission · In progress

Corporate · Media

EcoMedia MediaLab

Casablanca · Eco-Media Group HQ · 2021

Full portfolio

Explore all 45 selected projects.

Corporate, coworking, cultural, institutional, hospitality, residential, infrastructure — filter by sector and geography.

View all projects →

Our team

A multidisciplinary team, a single signature.

Architects, CG artists, an office manager — every project is followed end to end by a partner. No hand-offs, no hidden pyramid: a direct dialogue with the expert who draws.

Managing architect

Jaafar Sijelmassi

DE-HMONP Architect · ENSAPLV Paris · Autodesk Certified Pro

Son of the architect Abderrahim Sijelmassi, who opened the family practice in Casablanca in 1984, he now leads Sijelmassi & Partners with a focus on sustainable, contextual and technically rigorous architecture.

Associate architect

Omar Mawlawi

Atelier Mawlawi · D.E.S.A H.M.O.N.P Architect

Leads premium hospitality and residential projects. A keen reading of strong-identity, bioclimatic and low-tech briefs.

Management · Publishing

Selma Zerhouni Abdou

DESA Architect · Founder of Architecture du Maroc

Founder and publication director of Architecture du Maroc, the reference journal of the Moroccan architectural scene, distributed from Casablanca to Paris and Brussels. At the practice she leads corporate client relations, academic and institutional partnerships, press and conferences. She is the mother of Jaafar Sijelmassi.

Office manager

Khalid Meftoul

Internal coordination & operations

Keeps the practice running day to day. Team coordination, scheduling and the interface with clients.

Architect

Moussa Lagmouch

AMSP Architect

Design and site supervision on corporate and residential projects. Expertise in tender and construction phases.

CG artist · Draftsman

Youssef Bounaceur

Graphic production & 3D modelling

Command of visualisation and modelling tools. Renders, perspectives and technical documents for clients and competitions.

Architect

Abrar Iounes

ESAR Architect

Design, studies and project follow-up. A particular sensitivity to cultural, residential and office programmes.

Architect

Ghali Filali Adib

EMADU-UEMF Architect

Design studies and BIM modelling. An active contributor to corporate, coworking and public-facility projects.

Logistics & field

Adil Hassani

Logistics coordination & site follow-up

Owns field logistics — official filings, transporting teams to sites, administrative follow-up.

Publications & Engagements

What they write about us.

Op-eds, interviews, talks, podcasts. A leading voice on Moroccan and African architecture and rammed-earth construction. Visiting lecturer at the Academy of Traditional Arts (Casablanca) and guest speaker at the International University of Rabat.

Upcoming — Batimat 2026, Paris · Tuesday 29 September

Tuesday 29 Sept. 2026 · 11:30 – 12:15

From building to sustainable city: the Moroccan experience of the ecological transition

Agora 5.2 (Hall 5) · Batimat — Paris Expo, Porte de Versailles · Live translation

Round table organised by Alliance HQE-GBC: Morocco's climate challenges, rapid urban development, regulatory framework and construction solutions — from the scale of the building to that of the city.

Speakers: Badria Benjelloun (Director of Urban Planning, Moroccan Ministry of National Territorial Planning, Urban Planning, Housing and City Policy), Badr Eddine El Abbadi (INAU Rabat), Jaafar Sijelmassi. Moderator: Cosmin Cotora (Certivea, Alliance HQE-GBC).

See the programme →

Tuesday 29 Sept. 2026 · 2:00 – 3:00 pm

Can architecture change the world?

Agora 1 (Hall 1) · Batimat — Paris Expo, Porte de Versailles · Live translation

Sobriety, territorial roots, committed materiality: how do we design spaces that are beautiful, accessible, sustainable and rooted in their territories? A session giving the floor to those who build differently.

Speakers: Soraya Terki-Hassaine (STH Studies), Franck Durand (UNSFA), Francis Metzger (Ma2), Jaafar Sijelmassi. Moderator: Frédéric Denhez (Marianne).

See the programme →

🎙 Building Green Show

2024 · Podcast · EN · 42 min

« Bosch HQ Built with Rammed Earth »

A leading international podcast on sustainable architecture. An in-depth conversation on pisé construction, BIM and the future of vernacular materials.

Watch the podcast

🏛 Batimat Paris

October 2024 · The World of Building

Panel — « The Mediterranean Example »

International panellist alongside architects from Italy, Spain, Tunisia and Turkey. A debate on Mediterranean responses to climate disruption.

Watch the talk

L'Économiste

November 2021

« German group Bosch unveils a new headquarters »

Bosch regional HQ in Casablanca (12,381 m²) — earthen construction (CEB + pisé), kasbah-inspired. A world first for a German corporate client.

Read the article →

Médias24

April 2026

« Earthen construction: an age-old craft under threat? »

A leading expert on the risks the 2025 REB poses to earthen construction. A comparison with Switzerland, Germany and France. Reflections on the Al Haouz earthquake.

Read the article →

📻 LUXE RADIO

February 2026 · Podcast « Heure Essentielle »

« Urban acupuncture — micro-interventions, macro-effects »

An interview on urban acupuncture in Morocco: the need for genuine involvement from authorities to transform the city through targeted interventions.

Listen to the podcast →

🎬 Immotalk by Mubawab

Exclusive interview

Sustainable architecture in Morocco

A reference interview on Moroccan architecture, local materials and the future of African cities. Mubawab Morocco.

Watch the interview →

All our publications & engagements →

1984

Founded

140⁺

Completed projects

Countries

Talents · One signature

Frequently asked questions

Frequently asked questions.

Answers to the questions corporate and institutional clients ask us most often.

What services does the Sijelmassi & Partners architecture firm offer in Casablanca?

Sijelmassi & Partners is an architecture firm based in Casablanca since 1984, specialised in corporate projects (headquarters, offices), coworking (IWG/Regus), hospitality, signature residential, and public and institutional facilities. We work across Morocco (Casablanca, Rabat, Marrakech), in sub-Saharan Africa (Senegal) and in Europe (France).

What are the firm's distinctive areas of expertise?

Four core areas: BIM Revit LOD 400 (digital twins usable for facility management), rammed-earth construction (CEB, pisé, stabilised adobe), urban acupuncture (targeted, high-impact interventions) and low-tech bioclimatic architecture (natural ventilation, thermal inertia, solar shading).

Which major clients trust Sijelmassi & Partners?

The firm has delivered the Bosch regional headquarters in Casablanca (BIM LOD 400, rammed earth), the McKinsey & Company CFC offices (Africa's first LEED Platinum certified office), the Spaces IWG/Regus locations in Casablanca and Rabat, Crédit Agricole du Maroc (a multi-city network), the Marina de Casablanca for CGI, and numerous public institutions.

How can I contact the architect Jaafar Sijelmassi in Casablanca?

Phone: +212 808 543 490. Email: contact@sijelmassi-architecte.com. Address: 69 Rue Aziz BELLAL, Casablanca 20100, Morocco. Guaranteed response within 48 hours from a senior contact.

Does the firm work outside Casablanca?

Yes. Sijelmassi & Partners works throughout Morocco (Rabat, Marrakech, Tangier, Fès, Agadir, Oujda, Nador), in sub-Saharan Africa (the two AL AÏN towers in Dakar, Senegal) and in Europe (the France Beaumont residence in Auvergne-Rhône-Alpes, in partnership with ETSA Paris).

Start a project

Let's talk about your project.

A direct dialogue with a partner. Response within 24 business hours.

Address

Agence Sijelmassi & Partners
69 Rue Aziz BELLAL, Casablanca 20100, Maroc

Phone

+212 808 543 490

Start a conversation

contact@sijelmassi-architecte.com

Hours

Mon–Fri · 9am–6pm

Building with the memory of our elders, the tools of today.

Bosch New Headquarters

Marina de Casablanca

McKinsey & Company CFC

TGR — Hanging Garden Car Park

EIMD — International School of Music & Dance

EIMD — Open-Air Theatre

State Secretariat for the Environment

Spaces Anfa Place

Spaces Rabat

Chami Nursery

T-Gallery Sable d'Or

Résidence 3 Palmiers

5-Star Hotel

EcoMedia MediaLab

Cosumar — Cosumar Group

MIA Hotel — Taghazout

Mia Agafay Resort

Vertu Résidences

An Autodesk-certified architect for BIM practice.

We design tomorrow's African buildings from the intelligence of vernacular architecture.

Five skills that shape every project.

BIM & Revit LOD 400

Rammed earth & local materials

Bioclimatic & low-tech

Urban acupuncture

International corporate standards

A selection,from 140+ completed projects.

Bosch New Headquarters

Marina de Casablanca

McKinsey & Company CFC

TGR — Hanging Garden Car Park

EIMD — Intl. School of Music & Dance

EIMD — Open-Air Theatre

State Secretariat for the Environment

Spaces Anfa Place

Spaces Rabat

Chami Nursery

T-Gallery Sable d'Or

Résidence 3 Palmiers

5-Star Hotel

EcoMedia MediaLab

Explore all 45 selected projects.

A multidisciplinary team, a single signature.

Jaafar Sijelmassi

Omar Mawlawi

Selma Zerhouni Abdou

Khalid Meftoul

Moussa Lagmouch

Youssef Bounaceur

Abrar Iounes

Ghali Filali Adib

Adil Hassani

What they write about us.

From building to sustainable city: the Moroccan experience of the ecological transition

Can architecture change the world?

Frequently asked questions.

Let's talk about your project.

A selection,
from 140+ completed projects.