For over 20 years, Summertown Interiors has been among the UAE’s leading and most sustainable contractors, offering superior quality interior fit out solutions.

Reputed for our green expertise and exceptional client service, we specialise in commercial, healthcare, and education projects for global Fortune 500 companies, government authorities and local businesses.

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Our Mission

Our mission is to consistently deliver high end interior projects on time and within budget, whilst helping companies to achieve their environmental goals, directly resulting in operational savings and a better workspace for employees.

Summertown Interiors was the first fit-out contractor to occupy LEED Gold certified interiors in the UAE. We have also been awarded the LEED gold certification for our existing building; operations and maintenance (LEED EBOM).

All projects are executed in accordance with the internationally recognised ISO 9001:2015 quality management system.

Our Management Team

People are the cornerstone of Summertown. We have a team of experts that include LEED AP & GA certified team members that will help you achieve your interior solution.

Joshua Walker
Projects Director
Nicola Trivett
Commercial Director
Sarah Allix
Business Development Manager
Deniz Demir
Finance Manager
Marcos Bish
Managing Director
Heidi Demuynck
Design Director
Rajitha Ranasinghe
Operations Manager
Hugo Bish
Quality Control Manager
Sally-Ann Jones
Marketing Manager
Jack Dexter
Business Development Manager
Janaka Wijesinghe
Estimation Manager
Joshua Walker
Projects Director
Joshua began his career in his native country Australia, and has over 10 years of experience in the construction industry. He spent many years on the tools as a carpenter and builder, prior to advancing into construction and project management. In 2013, he relocated to the UAE to work as a Site Construction Manager in the interior fit out industry. As a Project Director for Summertown, Joshua is responsible for projects in both Abu Dhabi and Dubai. He is very client focused, and uses his strong construction knowledge and skills to carefully manage all aspects of the site to ensure projects are delivered on time and within budget. In his spare time Joshua loves to spend his time travelling, listening to music, playing Australian rules football and watching sports.
Nicola Trivett
Commercial Director
Nicola has a Bachelor of Science in Interior Design and began her career in Scotland as a Designer before moving into the project management field. She has over 15 year’s experience in the construction industry, and a proven track record of successfully managing multiple projects from design through to delivery that are high quality, on schedule to specification and within budget. Nicola relocated to the UAE in 2013 and has successfully managed multiple projects for many international and local clients. Nicola is a mum of four children, a keen runner and enjoys Yoga.
Sarah Allix
Business Development Manager
Sarah holds an Interior Design degree from Australia and has over 17 years of experience in the fit out and design industry both in Australia and the UAE. Upon completion of her degree, she established ‘Allix Design’, her own interior design business headquartered on the Gold Coast, Australia.  As Director and interior designer, Sarah managed her business for more than 11 years completing several hospitality, F&B, retail, commercial and residential projects. In 2014, she relocated to Dubai to embark on different opportunities in the design and build industry and experience the vibrancy of Dubai as a business development professional. Joining Summertown as a Business Development Manager in 2019, Sarah has strong interior fit-out and project management experience, is detail-oriented, dependable, and creative with an uncompromising work ethic. Sarah’s extensive interior design knowledge assists her in understand client’s needs and is passionate about achieving exceptional lasting results for every project. Accompanied with her enthusiasm and positive attitude Sarah builds long term relationships with clients and oversees the sales cycle from prospecting right through to contract award and project execution. Sarah enjoys travelling, socializing, reading books and experiencing what the world has to offer. She also loves spending time with her 2 dogs.
Deniz Demir
Finance Manager
Deniz holds an Economics degree from Galatasaray University in Istanbul. She has over 14 years of experience in finance management acquired whilst working in several multinational companies including; Mondelez International, Michelin, SHV Energy and Hyundai Elevator. She is an energetic, highly motivated finance professional, with a proven track record in leading finance functions and achieving company objectives. In addition to speaking Turkish her native language, she is also fluent in English and French. Deniz joined Summertown in 2018 just after relocating to Dubai from Istanbul with her family. She is responsible for maintaining the financial health of the organization and overseeing operations of the finance department. She is a strong believer in good communications, team work and collaboration. Deniz enjoys swimming, likes to travel with her family, discovering new cultures and experiencing new cuisines. She also loves animals and nature.
Marcos Bish
Managing Director
Marcos arrived in the UAE in 1990 shortly after completing his University studies in Leiden and Paris, obtaining his BBA in International Business.  He speaks Dutch, English, French, and basic Arabic and looks for constant growth not only for himself but also for his team. Marcos is the force behind the creation of Summertown, his passion and vision to create a company that not only provides a highly polished service to the client but also has strong core values, ethics and a sense of unity within itself. He believed in Green values long before the word became “fashionable” and brought team effort to be the strength of the company. Marcos’ calm exterior hides a deep inner strength and a strong focus.  He has a thorough understanding of the local culture and business ethics and when it comes to his employees, provides support and a nurturing environment resulting in loyalty and respect amongst Summertown’s staff. Marcos is passionate about his pastimes.  He likes to get up early in the morning to run, cycle or swim to train for, and participate in triathlons.  Short breaks are often taken camping with his children in the UAE's or neighboring countries beautiful terrain, and when time allows, reading an inspiring book.
Heidi Demuynck
Design Director
Heidi graduated from the Royal Art School of Antwerp and worked in Belgium as a furniture designer before deciding to move to the United Arab Emirates to pursue a career in the interiors sector. Her insight into projects is down to understanding both the client's needs, and the project through the eyes of a design professional to ensure Summertown deliver quality fit out projects.
Rajitha Ranasinghe
Operations Manager
Rajitha graduated with BSc Hons degree in Quantity Surveying and Construction Management and joined Summertown in 2001 as a Junior Estimator. He has worked through the ranks of Estimator, Estimation Manager, Contracts Manager and now as Operation Manager leading the operations department. Rajitha manages project commercials and contract management with his project quantity surveying, procurement quantity surveying team, and procurement and supply chain with the procurement team. Additionally, Rajitha supports the projects team with the help of his dedicated project coordinators and planner to coordinate the works between departments and ensure all projects are executed to client’s satisfaction. Rajitha’s eye for detail on project commercial management ensures project budgets are maintained and risks mitigated. Rajitha prides himself on his supply chain management and negotiation skills so that win-win situations are achieved, and positive working relationships are continued. Rajitha likes to use his leisure time to travel, learn about wildlife and reading.
Hugo Bish
Quality Control Manager

Driven by his passion for designing and making custom joinery and carpentry, Hugo came to Abu Dhabi to personally deliver and install custom made carpentry and joinery for private villas and palaces building his reputation for quality amongst his prominent customer base.

As the Quality Manager at Summertown Interiors, Hugo manages the supplier and sub-contractor network for Summertown ensuring that our projects are delivered to the highest quality as expected by our clients.  

As one of our sustainability champions, Hugo is also a key member of the Sustainable committee, and is responsible for reporting on Summertown's energy consumption and LEED EBOM certification.

Sally-Ann Jones
Marketing Manager
Sally joined Summertown in 2017, and is originally from Australia. She has Bachelor of Commerce degree and over 15 years Marketing experience from working in FMCG and Multi-National Companies including; The Coca-Cola Company, Cadbury Confectionery and Campbell’s Soup Arnott’s, across Asia, UK and Australia. She is a Marketing Manager that can develop and execute end-to-end integrated marketing campaigns at regional and global levels, and lead local market execution teams. Whilst maintaining brand equity and translating consumer insights into deliverable strategic initiatives. Sally’s role with Summertown is to drive the marketing activities for the company and to help Summertown maintain its market leading position, and to promote our core values in encouraging organisations to embrace energy saving and environmentally friendly initiatives. She also leads the sustainability committee and has completed the University of Cambridge, Cambridge Institute of Sustainability Leadership Business Sustainability Management course in 2021. Sally enjoys sports, shopping, and spending time with her young family. One of her other interests is travelling to new places.
Jack Dexter
Business Development Manager
Jack commenced his career in a small independent Real Estate company in the South of England, where he helped the company grow from one office to three. Within 2 years he was appointed Branch Manager of their flag ship office and consistently increased the company’s turnover year on year. In 2014 Jack left his home country for new pastures and challenges relocating to Dubai. During his first few years in Dubai Jack utilised his strong property management skills and developed his knowledge of the Dubai real estate market and office furniture. In 2017 Jack joined Summertown as a Business Development Manager. His strong relationship building skills enables Jack to passionately represent the interests of his clients throughout the entire project. Combined with his commercial business focus means he can confidently deliver projects on time and within budget. Jack is an approachable person and is always happy for people to reach out to him if he can help. In his spare time Jack is an enthusiastic basketball player and loves to travel and experience new places and cultures.
Janaka Wijesinghe
Estimation Manager

Janaka graduated with BSc Hons degree in Quantity Surveying and Construction Management from Sheffield Hallam University, UK, and holds a National Diploma in Technology (NDT) - Civil Engineering, from the University of Moratuwa in his native Sri Lanka.

He also holds a membership from the Royal institution of chartered surveyors (MRICS) is a Certified Quantity surveyor of Australian Institute of Quantity surveyors (CQS), Member of Australian Institute of Quantity surveyors (MAIQS), Associate Member of Institute of Quantity surveyors Sri Lanka (AIQSSL), and Associate Member of institute of Incorporated Engineers Sri Lanka (AMIIESL)

Janaka has over 15 years of experience (Sri Lanka, Qatar and UAE) in Interior Fit-out Construction, Building Construction and Road Construction, performing as a team leader by directing and team player by engaging with self motivation and innovative ideas.

His early career in Sri Lanka provided solid experience within the field of project management, after which he moved to the Middle East region to take a new challenge in the construction industry during the boom. Janaka first moved to Qatar to work in the engineering division for a major construction firm and then moved to the UAE, in a senior estimation position working for a leading fit out contractor. Janaka's attention to details and accuracy with his work, and excellent personal skills made him the perfect choice to lead the estimation team at Summertown since 2014.

During his free time, Janaka likes to play cricket and when time allows, watch a good movie or TV drama. He is married with one son and one daughter.

Accreditations & Awards

Our Global Partners
Summertown is proud to be a member of The United Workplace global network

The United Workplace is a network of likeminded businesses, sharing a passion for the workplace – inspiring design, innovation and a culture of collaboration underpins everything we do.

Beginning with the founding partners Fourfront Group in the UK and Amicus in Australia, The United Workplace has grown to encompass all corners of the globe, with members including Summertown in the Middle East, and Contract Workplaces in South America.

“Being part of this alliance allows us to offer our clients a level of service that extends beyond the Middle East, and strengthens our team’s capabilities. By collaborating with likeminded partners Summertown will exchange knowledge with leading interior solution providers who have similar values, and enables us to be across global industry trends.”

Marcos Bish, Managing Director