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SE1, SE15, SE16, SE17

Southwark office fit out and refurbishment companies

London Bridge, Bankside and the South Bank have grown into a full office market rather than an overflow from the City, with the Shard, More London and the Bankside estates alongside a large stock of converted Victorian warehouses around Bermondsey Street. Several of the directory's larger firms are based in SE1. Southwark's planning policies on employment space and its conservation areas around Borough are the local constraints to check.

Head office in the borough

3 firms based in Southwark

Resolved from the registered or trading address on each profile. Being based here does not mean a firm only works here; every firm in the directory covers London.

B CorpMid Market
AF
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Area (Fourfront Group)

Est. 2000

Coworking/flex space, education, laboratory fit out. Founders of The United Workplace global network. 10+ offices across Europe.

Refurbishment led, mid market band, trading since 2000, part of Fourfront Group, 250+ (group) staff, B Corp certified. Names Citrix and Infosys among its clients.

Projects
5k to 30k sq ft
Client size
80 to 400 staff
Budget
£1m to £10m
Workplace ConsultancyDesignFit Out+3
Public data, March 2026Profile
Mid Market
CG
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Claremont Group Interiors

Est. 1996

70%+ repeat business. Hybrid workspace design.

Cat A and Cat B, mid market band, trading since 1996, 120+ staff, employee owned. Names AQA and Flutter/Paddy Power among its clients.

Projects
5k to 30k sq ft
Client size
80 to 400 staff
Budget
£1m to £10m
Workplace ConsultancyInterior DesignCat A Fit Out+4
Public data, March 2026Profile
Mid Market
MI
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Maris Interiors

Est. 1977

10,000+ projects completed.

Design and build, mid market band, trading since 1977. Names Lacoste and ServiceNow among its clients.

Projects
5k to 30k sq ft
Client size
80 to 400 staff
Budget
£1m to £10m
Office DesignCat A Fit OutCat B Fit Out+5
Public data, March 2026Profile
Working in Southwark

Firms that take on Southw. projects

Ordered with enterprise and mid market firms first, because central London projects skew larger. The six below are a starting point.

Every firm in the directory covers the whole capital. For all 66, see the full list of London office refurbishment companies.

Typical stock in Southwark: London Bridge and Bankside estates, Bermondsey warehouses.

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