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SE1, SE15, SE16, SE17

Office fit out and refurbishment companies in Southwark

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

London wide firms suited to Southw. projects

Ordered with enterprise and mid market firms first, because central London projects skew larger. All 63 London wide firms are in the full directory.

Enterprise
ML
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Morgan Lovell

Est. 1977

Design led office fit out, workplace consultancy, biophilic design. 78%+ repeat business rate.

Projects
30k+ sq ft
Client size
250+ staff
Budget
£5m and above
Workplace ConsultancyOffice DesignRefurbishment+4
Public data, March 2026Profile
Enterprise
ST
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Structure Tone

30k+ sq ft

Major global player in corporate fit out with significant London operations.

Projects
30k+ sq ft
Client size
250+ staff
Budget
£5m and above
Corporate Office Fit OutConstruction Management
Public data, March 2026Profile
Mid Market
CS
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Constructive Space

Est. 1978

Directly employs own tradesmen (rare in sector). Strong charity/not for profit sector presence.

Projects
5k to 30k sq ft
Client size
80 to 400 staff
Budget
£1m to £10m
Office D&BFit Out ContractingRefurbishment+5
Public data, March 2026Profile
Enterprise
WD
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Willmott Dixon Interiors

Est. 1852

Heritage preservation, sustainable refurbishment, public sector. 500,000+ sq ft delivered in prestigious London locations.

Projects
30k+ sq ft
Client size
250+ staff
Budget
£5m and above
Cat B Office Fit OutCommercial RefurbishmentDesign & Build+1
Public data, March 2026Profile
Enterprise
MM
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M Moser Associates

30k+ sq ft

Global workplace strategy and design. Biophilic design, WELL and green building certification. Research driven approach.

Projects
30k+ sq ft
Client size
250+ staff
Budget
£5m and above
Workplace StrategyInterior DesignOffice Fit Out+2
Public data, March 2026Profile
Mid Market
CO
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COEL

Est. 2000

Office AND laboratory design & build. Science/biotech sector strength. Cambridge Oxford Arc and London focus.

Projects
5k to 30k sq ft
Client size
40 to 250 staff
Budget
£300k to £5m
Interior DesignCat A Fit OutCat B Fit Out+5
Public data, March 2026Profile
Mid Market
8B
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8build

5k to 30k sq ft

Multi sector fit out delivery with UK and Asia reach.

Projects
5k to 30k sq ft
Client size
80 to 400 staff
Budget
£1m to £10m
Fit Out ProcurementConstruction Project ManagementBespoke Solutions
Public data, March 2026Profile
Enterprise
MI
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Mace Interiors

Est. 1990

High end corporate fit outs, digital twin technology, programme driven delivery.

Projects
30k+ sq ft
Client size
250+ staff
Budget
£5m and above
Commercial Fit OutInterior DesignProject Management+2
Public data, March 2026Profile
Mid Market
PR
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Peldon Rose

Est. 1987

End to end bespoke design & build. In house M&E team. 30+ years London specific experience.

Projects
5k to 30k sq ft
Client size
80 to 400 staff
Budget
£1m to £10m
Workplace StrategyDesign & BuildCat A Fit Out+6
Public data, March 2026Profile

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

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