Top City of London companies by revenue

The City of London has a booming economy that is vital to the UK. In 2016 it had a GVA of around £49.2 billion, almost 3% of the country's overall output, and over 12% of London's. The city is an important global hub for finance and insurance, and employment in the sector is expected to grow by 0.2% a year from 2018 to 2050, adding a further 23,000 jobs to the thriving industry.

There are currently around 485,000 people working in the city, which accounts for 9% of all employment in the Greater London area. One in 63 of the total UK workforce has employment in the city. The City of London is predicted to see a rise of 34% in employment by 2050, meaning a total of 705,000 workers across all sectors in the region.

At Global Database we've collected this list of the top-performing companies in the city in order to give a useful insight into its current economy. See the results, ordered by most recent revenue, below.

CNIM UK LIMITED Intermediate

Registration Nr
02142532

Age of business
35 years

Nr of Employees
44

Revenue
64948014.0

Industry
43999 - Other specialised construction activities n.e.c.

Country
GB

Website
https://c*******

Phone

+442074******

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REGENT GAS HOLDINGS LIMITED Active

Registration Nr
07687951

Age of business
12 years

Nr of Employees
22

Revenue
64098217.0

Industry
64209 - Activities of other holding companies n.e.c.

Country
GB

Email
****@regentgas.co.uk

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Website
http://www.reg************

Phone

+442089******

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SGL CARBON FIBERS LIMITED Active

Registration Nr
SC078081

Age of business
42 years

Nr of Employees
287

Revenue
63882000.0

Industry
20130 - Manufacture of other inorganic basic chemicals

Country
GB

Email
*********@sglgroup.com

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City
Muir of Ord

Website
http://sglc*********

Phone

+441463******

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IPC INFORMATION SYSTEMS Active

Registration Nr
01823833

Age of business
40 years

Nr of Employees
150

Revenue
63638053.0

Industry
61900 - Other telecommunications activities

Country
GB

Email
****@ipc.com

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City
London

Website
http://i*******

Phone

+442079******

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DOLPHIN DRILLING LIMITED Active

Registration Nr
01017560

Age of business
52 years

Nr of Employees
39

Revenue
63499249.84

Industry
Oil & Gas Services

Country
GB

Email
************@dolphindoc.no

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City
Eastleigh

Phone

+441224******

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TRAMLINK NOTTINGHAM (HOLDINGS) LIMITED Active

Registration Nr
07595316

Age of business
13 years

Nr of Employees
1

Revenue
63339000.0

Industry
49311 - Urban and suburban passenger railway transportation by underground, metro and similar systems

Country
GB

Email
*********@tramlinknottingham.co.uk

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City
London

Website
http://tramlinkno***************

Phone

+441159******

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GASREC LTD Active

Registration Nr
04841866

Age of business
21 years

Nr of Employees
41

Revenue
62168000.0

Industry
35210 - Manufacture of gas

Country
GB

Email
*******@gasrec.co.uk

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City
London

Website
http://www.g***********

Phone

+442030******

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W.L. GORE AND ASSOCIATES (U.K.) LIMITED Active

Registration Nr
00856254

Age of business
58 years

Nr of Employees
251

Revenue
61622000.0

Industry
13960 - Manufacture of other technical and industrial textiles

Country
GB

Website
http://www.**********

Phone

+441506******

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FOCCHI LTD Active

Registration Nr
02997625

Age of business
29 years

Nr of Employees
9

Revenue
61107852.0

Industry
43290 - Other construction installation

Country
GB

Email
****@focchi.it

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City
LONDON

Phone

+442072******

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ZAHA HADID LIMITED Active

Registration Nr
03749443

Age of business
24 years

Nr of Employees
388

Revenue
60925093.0

Industry
71111 - Architectural activities

Country
GB

Email
************@zahahadid.com

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Website
www.zaha-h********

Phone

+442072******

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SALMON LIMITED Active

Registration Nr
02360867

Age of business
33 years

Nr of Employees
359

Revenue
60.5 million

Industry
73110 - Advertising agencies

Country
GB

Email
****@salmon.com

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City
LONDON

Website
www.salmon.com

Phone

+442392******

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HARTREE PARTNERS (UK) LIMITED Active

Registration Nr
03446989

Age of business
25 years

Nr of Employees
70

Revenue
60189452.84

Industry
74909 - Other professional, scientific and technical activities n.e.c.

Country
GB

Email
****@hetco.com

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City
LONDON

Website
http://hartree************

Phone

+442072******

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SUPERGLASS INSULATION LIMITED Active

Registration Nr
02160591

Age of business
36 years

Nr of Employees
188

Revenue
59807000.0

Industry
23140 - Manufacture of glass fibres

Country
GB

Email
***********@superglass.co.uk

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City
Bristol

Website
http://supe**********

Phone

+441786******

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HACKETT LIMITED Active

Registration Nr
01872280

Age of business
38 years

Nr of Employees
204

Revenue
59539000.0

Industry
47710 - Retail sale of clothing in specialised stores

Country
GB

Email
******@hackett.co.uk

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Website
http://www.ha***********

Phone

+442079******

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RENDALL & RITTNER LIMITED Active

Registration Nr
02515428

Age of business
33 years

Nr of Employees
229

Revenue
59345678.0

Industry
68320 - Management of real estate on a fee or contract basis

Country
GB

Email
**************@rendallandrittner.co.uk

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Website
http://www.rendall****************

Phone

+442074******

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ALVAREZ & MARSAL CORPORATE TRANSFORMATION SERVICES LLP Active

Registration Nr
OC380168

Age of business
11 years

Nr of Employees
67

Revenue
59194611.67

Industry
-

Country
GB
INBRIT LOGISTICS LIMITED Active

Registration Nr
03108526

Age of business
28 years

Nr of Employees
25

Revenue
58952209.0

Industry
51210 - Freight air transport

Country
GB

Email
****@inbritlogistics.com

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City
London

Website
inbrit.*****

Phone

+442088******

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HAYDON MECHANICAL & ELECTRICAL LIMITED Active

Registration Nr
00988409

Age of business
53 years

Nr of Employees
127

Revenue
58815480.0

Industry
43220 - Plumbing, heat and air-conditioning installation

Country
GB

Email
*****@haydonme.co.uk

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City
LONDON

Website
www.haydon********

Phone

+442079******

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RESMED (UK) LIMITED Active

Registration Nr
02863553

Age of business
29 years

Nr of Employees
98

Revenue
58796463.0

Industry
46900 - Non-specialised wholesale trade

Country
GB

Email
*********@resmed.co.uk

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City
DIDCOT

Website
www.resme*******

Phone

+441235******

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ISG CENTRAL SERVICES LIMITED Active

Registration Nr
02997684

Age of business
30 years

Nr of Employees
386

Revenue
58663000.0

Industry
70100 - Activities of head offices

Country
GB

Email
***********@isgplc.com

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City
London

Website
http://www.**********

Phone

+442072******

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CAPARO PRECISION TUBES LIMITED Active

Registration Nr
05172071

Age of business
19 years

Nr of Employees
275

Revenue
58150000.0

Industry
24200 - Manufacture of tubes, pipes, hollow profiles and related fittings, of steel

Country
GB

Email
*********@hublebas.co.uk

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City
Leeds

Website
http://www.hu************

Phone

+442074******

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ONETRUST TECHNOLOGY LIMITED Active

Registration Nr
04156317

Age of business
22 years

Nr of Employees
350

Revenue
57891277.0

Industry
62020 - Information technology consultancy activities

Country
GB

Email
****@governor.co.uk

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Website
http://www.go************

Phone

+448000******

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VSL SYSTEMS (UK) LIMITED Active

Registration Nr
02285599

Age of business
34 years

Nr of Employees
6-50

Revenue
57.9 million

Industry
42990 - Construction of other civil engineering projects n.e.c.

Country
GB

City
1 LAMBETH PALACE ROAD

Website
http://www.vslintl.com

Phone

+442074******

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SQUARE ONE RESOURCES LIMITED Active

Registration Nr
03110911

Age of business
29 years

Nr of Employees
73

Revenue
57792000.0

Industry
78200 - Temporary employment agency activities

Country
GB

Email
****@squareoneresources.com

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City
London

Website
http://squareone**************

Phone

+442072******

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VEOLIA ES SOUTH DOWNS LTD Active

Registration Nr
03765422

Age of business
24 years

Nr of Employees
178

Revenue
57672000.0

Industry
38320 - Recovery of sorted materials

Country
GB

Website
www.veoliaenvironme******************

Phone

+441273******

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Companies Selected:

As the results above show, the city's economy is incredibly prosperous and offers great potential. As the headquarters for the UK's finance and insurance sector, there are eye-watering sums at play here. The financial sector is crucial to the country's economy, having generated over £115.3 billion in 2016. This represents 6.6% of the overall GVA for the UK. The professional services sector is another important sector for the City of London, providing 4.7% of the UK's economic output. It is predicted that the sector will see the largest growth in employment, with an additional 509,000 jobs being created by 2050.

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Companies Selected:

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