About Us

Experts in Commercial Interior Fit Outs

RETAIL  |  OFFICE  |  HOSPITALITY  |  BRAND ENVIRONMENTS

OUR STORY

Founded by two brothers in 2007, SEI are a well-established commercial shopfitting company based in Wembley and with an enviable client list.

From humble beginnings SEI are on a mission to deliver ‘best in class’ fitouts, no matter what the size of budget or location.

JUNE 2007

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SEI FOUNDED

South Eastern Interiors (SEI) founded by brothers, Andrew & Andy.

JUNE 2013

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HELLO WEMBLEY

SEI general workshop & Head Office opened in Unit 37 Hallmark Trading Estate, which is the current location of our Joinery Workshop.

DECEMBER 2013

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KEY CHANGES AT SEI

Denis (Site Director) joins the business and our Site Team population grows to 26 skilled tradesman and, for the first time no trades are subcontracted for any project. This approach, no subcontractors, remains in place to this day.

EOY 2018

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A RECORD YEAR

SEI Headline Turnover beat £2m (ex VAT) for the first time.

MARCH 2020

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SEI EXPANDS

SEI move into Unit 29b Hallmark Trading Estate, keeping Unit 37 for general duties. To date we have spent over £400k on Unit 29b which now houses a demo kitchen, a fully stocked showroom, office space, storage space and our meeting room.

JUNE 2022

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OUR JOINERY GOES IN-HOUSE

SEI open the Joinery Workshop at Unit 37 investing over £300k on state of the art equipment and recruiting a vastly experienced team; Leto (Soho) becomes the first project completed by the Workshop!

OCTOBER 2023

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SEI JOINED THE BRENT CROSS BUSINESS CLIMATE CHARTER

SEI joins the Brent Business Climate Charter, underscoring our dedication to sustainability. As leaders in modern interior design, we embrace this milestone as a testament to our commitment to a greener future.

DECEMBER 2023

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SEI SPONSORS HENDON FC

SEI proudly announces its sponsorship of Hendon Football Club, reinforcing its commitment to supporting local communities and nurturing talent. This partnership embodies SEI’s values of teamwork and excellence, extending beyond financial support to actively engage with the club and its activities.

MAY 2024

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BECOMING A MEMBER OF THE GUILD OF MASTER CRAFTSMEN

SEI announces its induction into The Guild of Master Craftsmen, symbolizing our commitment to artisanal excellence and time-honored craftsmanship.

OCTOBER 2024

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SEI BECOMES ONE OF THE CIRCUS STARR SUPPORTERS

We are delighted to announce our partnership with Circus Starr, an extraordinary charity that creates magical experiences for children and families facing significant challenges in their lives.

MARCH 2026

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SEI REBRANDS

START YOUR STORY

Let’s build your story. We create captivating interiors that leave a lasting impressions - Get in touch with the team.

OUR APPROACH

BUILT AROUND YOUR BRIEF

Every project begins with understanding the brand, the space and the ambition behind it. By taking the time to listen and explore the brief properly, we ensure every decision supports the outcome our clients want to achieve.

HANDS ON FROM START TO FINISH

Our team remains closely involved throughout the entire process. From early planning to final installation, we oversee every stage to keep projects running smoothly and ensure every detail is delivered as intended.

EXPERIENCE THAT SOLVES THE PROBLEMS

Fit out projects rarely follow a perfect path. With years of practical experience behind us, we know how to navigate challenges and find solutions that keep projects moving forward.

QUALITY WITHOUT COMPROMISE

We take pride in delivering work that stands the test of time. From materials and finishes to installation and detailing, every element of the project is completed to the highest standard.

ONE CONNECTED TEAM

Our projects are delivered by our own skilled teams and trusted partners who understand the way we work. This joined up approach ensures consistency, accountability and clear communication throughout every stage.

DELIVERED RESPONSIBLY

Every project is completed with careful attention to safety, sustainability and the wider impact of the work we carry out. It is an approach that protects the people on site while ensuring each environment performs long into the future.

OUR CHARACTERS

Audrius Fiodorovas

Tony Williams

Dean Tiernay

Dannii Bradley-Foxall

Dallas Foley

Ivan Petrucci

Terrance Prempeh

Cyrus Chan

Zafrin Amroliwala

Nirnay Gandhi

Valerio Carmine Simile

Hamza Ahmed

Denis Tvisor

QUALIFICATIONS & ACCREDITATIONS