MERCER LIMITED

Company number 00984275 ·

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Overview

Company type
Private Limited Company
Incorporated
1970-07-10
Registered office
1 Tower Place West, Tower Place, London, EC3R 5BU
Postcode
EC3R 5BU
Capital
224 GBP
Accounts category
Full
Charges
1 outstanding

Accounts

Last made up to
2025-12-31
Next due by
2027-09-30
Financial year end
31 December

Confirmation statement

Last statement dated
2026-02-15
Next due by
2027-03-01
View filing history →

Nature of business (SIC)

  • 82990 Other business support service activities not elsewhere classified

Officers 6 current · 71 resigned

Appointed 2025-09-30
Tony O'DWYER Director
Appointed 2024-11-01
Appointed 2024-03-28
Ashton RAMSEYER Secretary
Appointed 2021-07-29
Appointed 2021-01-05

View all officers and resignations →

Group structure 19 subsidiaries

Controlled by MMC UK GROUP LIMITED — since 2016-04-06

Showing 12 of 19.

From persons-with-significant-control filings on the public register.

Public contracts won 24

£13,509,459 total awarded value where published.

Showing the 5 most recent of 24.

Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).

Licensed visa sponsor

Licensed by the Home Office to sponsor worker visas: Global Business Mobility: Graduate Trainee (Temporary Worker (A rating)), Global Business Mobility: Senior or Specialist Worker (Worker (A rating)), Skilled Worker (Worker (A rating)).

Matched by registered name to the register of licensed sponsors (Home Office, updated daily) — check the register itself before relying on it. Contains public sector information licensed under the Open Government Licence v3.0.

Modern slavery statement

Registered a modern slavery statement for 2026 (period to 2025-12-31) — 6 years on the registry.

Read the statement summary on the government modern slavery statement registry. Contains public sector information licensed under the Open Government Licence v3.0.

Gender pay gap

22.3%

Women's median hourly pay below men's, 2025/26 · in the bottom quarter for parity

View pay gap →

Contact details

Website
mercer.com

At Mercer, we believe in brighter — we redefine the world of work, reshape retirement and investment outcomes, and unlock real health and well-being.

Previous company names

NameDate changed
MERCER HUMAN RESOURCE CONSULTING LIMITED2007-09-12
WILLIAM M. MERCER LIMITED2002-04-05
WILLIAM M. MERCER FRASER LIMITED1993-03-01
WILLIAM M. MERCER FRASER LIMITED1993-02-12
WILLIAM M. MERCER - MPA (U.K.) LIMITED1986-05-01
WILLIAM M.MERCER - BOWRING LIMITED1984-11-01
WILLIAM M. MERCER LIMITED1984-01-01
WILLIAM M. MERCER BENEFITS LIMITED1983-02-16
WILLIAM M MERCER-BOWRING LIMITED1976-12-31

Previous registered addresses 3

AddressChanged on
TELFORD HOUSE, 14 TOTHILL STREET, LONDON, SW1H 9NB2005-09-14
4 SOUTHAMPTON PLACE, LONDON WC1A 2DA1989-06-22
4 SOUTHAMPTON PLACE, LONDON WC1A 2DA1989-06-22

Among its peers

Among the oldest 25%

of 8,732 similar companies in EC, trading since 1970

83 companies are registered at this postcode →

The class of 1970

54%

of the 3,725 companies incorporated in 1970 are still active today; 40% have since been dissolved.

A fact about the year, not a forecast for this company.

Property in England & Wales 7 titles

Freehold
1
Leasehold
6
Most recent registration
2024-03-22
Where
Greater London (3), City Of Bristol (1), West Yorkshire (1)
Title numberCounty Tenure RegisteredPrice paid
EGL516993 Greater London Leasehold 2024-03-22
BL162953 City Of Bristol Leasehold 2022-10-26
YY156648 West Yorkshire Leasehold 2021-08-11
SY818837 Surrey Leasehold 2014-04-01
EGL491077 Greater London Leasehold 2005-08-01
EGL491078 Greater London Leasehold 2005-08-01
WSX184506 West Sussex Freehold 1995-01-18

For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).

Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.