AdA Underwriters Limited: FCA regulated?

Authorised by the FCA

This firm is on the FCA register and authorised to carry out regulated activities.

Authorised for under a year
Your funds are protected by FSCS
No FCA actions
Active company since 2023

This company holds another FCA record

A company can hold several FCA records, covering different parts of its business, and each one carries its own permissions and protection. The reference number you were given decides which record applies to you.

AdA Underwriters Limited Reference number: 999838 Appointed rep

Website, phone number and address

Compare these against whatever you were given. Scammers clone real firm names and reference numbers but use their own phone number and website, so a detail that does not match the register is the clearest warning sign there is.

Website

ada-uw.com (opens in a new tab)
Phone number

020 3757 2351
Address

1 Great St Helen's, London, EC3A 6HX, United Kingdom

In the full report: 3 background checks

When ada-uw.com first appeared online, and whether it can receive email
What kind of line 020 3757 2351 is
Who else gives the postcode EC3A 6HX

FCA permissions and consumer protection

Manage or trade investments FSCS may apply
Eligible investment and pension claims are typically FSCS-protected up to £85,000 per person, depending on the product and your circumstances.
Sell or arrange insurance FSCS may apply
Eligible insurance claims may be FSCS-protected, often 90%, or 100% for compulsory or long-term cover.
Complaints Ombudsman, free
You can refer a complaint about this firm to the Financial Ombudsman Service for free, whichever activity it relates to.

Show FCA detail (5 permissions)

Arranging (bringing about) deals in investments
Assisting in the administration and performance of a contract of insurance
Dealing in investments as agent
Making arrangements with a view to transactions in investments
Managing the underwriting capacity of a Lloyd's syndicate as a managing agent at Lloyd's

FCA disciplinary action and complaints

No FCA disciplinary action.

The Financial Ombudsman Service only publishes complaint figures for firms with 30 or more new complaints in six months, so there are none here for this firm.

Companies House record

The company behind the firm: its status, age, registered office and directors.

Company number: 14706897 (opens Companies House in a new tab)
Company status: Active
Company type: Private limited company
Incorporated: 6 March 2023 (3 years old)
Registered office: Becket House, 36 Old Jewry, London, EC2R 8DD, United Kingdom
Nature of business: Activities of insurance agents and brokers (SIC 66220)
Environmental consulting activities (SIC 74901)

Directors and company secretaries

Name	Role	Born	Appointed	Other companies
Eamonn Patrick Riordan	Director	Oct 1955	6 Mar 2023	6 other companies
James Francis Grainger	Director	Aug 1979	28 Mar 2023	1 other company
Natasha Ann Mostyn Owen Jodrell	Director	Apr 1971	28 Mar 2023	2 other companies
Steven Paul Burns	Director	Jul 1958	15 Aug 2026	None
Alison Clare Barnett	Director	Aug 1964	18 Aug 2026	None
Timur Coskun	Director	Nov 1959	18 Aug 2026	13 other companies
William Scott	Director	Nov 1958	18 Aug 2026	9 other companies
CALLIDUS SECRETARIES LIMITED	Corporate secretary	Not published	22 Jul 2026	–

Other companies run by these 7 directors

A firm is run by people, and their other companies are their track record: what they built, what closed, and anything that failed. It is the check most people never think to make.

other companies: 27
closed down: 10
are FCA-registered: 8

In the full report: all 27 companies, named

What each company does, and whether it is still trading
Which of these 7 directors sit on each board, and since when
Any that went into liquidation or administration
The 8 on the FCA register
The 4 companies these 7 directors run together
All 9 people who have ever been directors, with their dates

Key dates in its history

AdA Underwriters’s history from the FCA register and Companies House, newest first.

Key events (7) All events (19)

2026

22 September 2026

Regulated by the FCA from this date
Regulated by the Prudential Regulation Authority from this date
Became authorised by the FCA

FCA register

2023

10 July 2023

Ada Risk Holding Co Limited took control (75–100% of shares)
Eamonn Patrick Riordan gave up control

Companies House

6 March 2023

Incorporated at Companies House
Eamonn Patrick Riordan took control (75–100% of shares)

Companies House

In the full report: all 19 events

All 19 events in its history (7 shown here)
Every director appointment and resignation: 11

Firms connected to AdA Underwriters

Other FCA-listed firms that share a director, phone number or address with AdA Underwriters. A link shows who the firm is tied to, not whether either can be trusted.

connected firms: 3
share a director: 1
share its postcode: 2

In the full report: all 3 connected firms, named

How each is linked: shared directors (1), the same postcode (2)
Who links each one: the named directors, with dates
7 past links through former directors

Firms like AdA Underwriters

Other firms of the same type (insurance broker), nearest first.

In London

Amazon EU S.a.r.l.LondonAuthorised Revolut Travel LtdLondonAuthorised Santander Insurance Services UK LimitedLondonAuthorised Aon UK LimitedLondonAuthorised Hartford Underwriting Agency LimitedLondonAuthorised Chubb Underwriting Agencies LimitedLondonAuthorised

Firms are listed by type and location, best known first. Being listed is not a recommendation: check any firm before you deal with it.

Get the full report on AdA Underwriters

Everything on this page, plus everything locked above, in one dated PDF you can keep, file or send on.

27 other companies its directors have run, named
3 background checks on its contact details
All 19 events in its history
3 connected firms, named, and who links them

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Frequently asked questions about this firm

Is AdA Underwriters Limited FCA authorised?

Yes, AdA Underwriters Limited (FRN 1055380) is authorised by the FCA to carry out regulated activities. It has held its current authorisation since September 2026 and works as an insurance broker. The FCA has placed no limits on its permissions.

What is AdA Underwriters’ phone number and website?

The FCA register lists the phone number 020 3757 2351 and the website ada-uw.com for AdA Underwriters. If you were given different contact details, use these to check with the firm before going any further.

Is AdA Underwriters a scam or clone?

AdA Underwriters is a genuine FCA-listed firm, and the FCA has published no warnings about fake versions of it. Scammers do copy real firms, though, so check that any contact details you were given match the ones on the register.

Is my money safe with AdA Underwriters?

It depends on the product, but eligible claims may be protected by the FSCS. You can also refer complaints about AdA Underwriters to the Financial Ombudsman Service, free of charge.

Who owns AdA Underwriters?

AdA Underwriters is owned by Ada Risk Holding Co Limited, which holds 75–100% of shares, 75–100% of votes and can appoint and remove the board, since 10 July 2023. Before that, it was controlled by Mr Eamonn Patrick Riordan.

Who runs AdA Underwriters?

Companies House lists 7 directors of AdA Underwriters: Eamonn Patrick Riordan, James Francis Grainger, Natasha Ann Mostyn Owen Jodrell, Steven Paul Burns, Alison Clare Barnett, Timur Coskun and 1 more.

How long has AdA Underwriters been in business?

The company was formed on 6 March 2023, and has held its current FCA authorisation since September 2026.