Ambac Assurance UK Limited

Reference number: 202924

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Authorised by the FCA

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

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.

In the full report: 3 background checks

  • When ambac.com first appeared online, and whether it can receive email
  • What kind of line 020 7786 4300 is
  • Who else gives the postcode EC2R 6EJ
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Other names (2)

If you were contacted under any of these names, it is this firm.

  • AMBAC Indemnity UK Limited Former name
  • AMBAC Insurance UK Limited Former name

FCA permissions and consumer protection

  • Hold or safeguard your money FSCS may apply
    Eligible deposits are typically protected by the FSCS up to £120,000 per person, per banking group.
  • Give regulated advice FSCS may apply
    A claim for unsuitable advice is itself FSCS-protected, up to the limit that applies to the product you were advised on.
  • 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 (9 permissions)
  • Accepting Deposits
  • Advising on investments (except on Pension Transfers and Pension Opt Outs)
  • Advising on P2P agreements
  • Arranging (bringing about) deals in investments
  • Assisting in the administration and performance of a contract of insurance
  • Carrying out contracts of insurance
  • Dealing in investments as principal
  • Effecting contracts of insurance
  • Making arrangements with a view to transactions in investments

Limits on what they may do

  • Must not effect or issue any contract of insurance
    The firm must not effect or issue any contract of insurance, whether: (a) a new contract of insurance; (b) a renewal; (c) pursuant to any pre-existing agreement to issue a contract of insurance; (d) pursuant to any pre-existing agreement which confers upon a prospective policyholder a right to require the Firm to issue a contract of insurance; or (e) pursuant to an option which has been exercised in relation to a contract of insurance which has yet to be issued, unless the Firm has given the FSA at least five business days written notice of its proposed action and the FSA has confirmed in writing that it does not object to the proposal.
  • Must not commute or vary the terms of any existing
    The firm must not commute, vary, terminate or reinstate the terms of any existing contract of insurance or reinsurance or enter into any new contract of reinsurance with Ambac Assurance Corporation (AAC), any member of its group (the Group) or any successor or sub-division of AAC or a Group member including, but not limited to, the segregated account of AAC established pursuant to Wisconsin statute §611.24 and the general account of AAC which currently holds AAC's unimpaired business unless the firm has given the FSA at least five business days written notice of its proposed action and the FSA has confirmed, in writing, that it does not object to the proposal.
  • Must not take any action which may have the effect
    The firm must not take any action which has, or may have, the effect of: (a) transferring any assets (including, without limitation, by dividend, loan, transfer of collateral, assignment, novation, commutation, or payment of premium under any contract of insurance or reinsurance with Ambac Assurance Corporation (AAC), any member of its group (the Group) or any successor or sub-division of AAC or a Group member including, but not limited to, the segregated account of AAC established pursuant to Wisconsin statute §611.24 and the general account of AAC which currently holds AAC's unimpaired business) from the firm; (b) creating any security interest over any assets of the firm; or (c) incurring, or increasing, contractual or other liabilities (including, without limitation, any liability under a guarantee or indemnity) of the firm, in favour of, or for the benefit of AAC, any Group member, any successor or sub-division of AAC or a Group member (including, but not limited to, the Segregated Account or the General Account) or any third party in connection with any obligation of AAC, any Group member and/or any successor or sub-division of AAC or a Group member (including, but not limited to, the Segregated Account or the General Account), unless the firm: (i) has given the FSA at least five business days written notice of its proposed action and the FSA has confirmed, in writing, that it does not object to the proposal; or (ii) is required to take the action it proposes to take in order to meet its obligations under a contract entered into on or before 13 November 2009, and Ambac UK has disclosed that contract to the FSA prior to 13 November 2009 in order to meet its obligations under SUP App 2.12.1R(3)(b). For the avoidance of doubt, this sub-paragraph (ii) does not apply to the Amended and Restated 1997 Reinsurance Agreement entered into between the firm and AAC on or about 17 November 2009

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
03248674
Company status
Active
Company type
Private limited company
Incorporated
11 September 1996 (30 years old)
Registered office
5th Floor, 48/54 Moorgate, London, EC2R 6EJ, England
Nature of business
  • Non-life insurance (SIC 65120)

Directors and company secretaries

Name Role Born Appointed Other companies
David Peter Barranco Director Mar 1970 9 Sep 2011 1 other company
William Moray Newton Fall Director Apr 1957 1 Mar 2017 11 other companies
Hugh John Boyle Director Aug 1971 28 Nov 2018 13 other companies
Ben Robert Loomes Director Mar 1977 2 Dec 2019 62 other companies
Alan Trond Dee Director Aug 1968 31 Mar 2020 5 other companies
Yadin Rozov Director Dec 1977 29 Sep 2025 None
John Bernard Van De North Iii Director Jun 1970 10 Sep 2026 1 other company

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
93
closed down
40
went insolvent
6

In the full report: all 93 companies, named

  • What each company does, and whether it is still trading
  • Which of these 7 directors sit on each board, and since when
  • The 6 that went into liquidation or administration
  • The 10 on the FCA register
  • All 27 people who have ever been directors, with their dates
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Key dates in its history

Ambac Assurance UK’s history from the FCA register and Companies House, newest first.

Key events (15) All events (66)

2026

31 July 2026

  • Brookfield Asset Management Ltd became the majority owner (50–75% of shares)

Companies House

2025

29 September 2025

  • Ambac Financial Group, Inc. ("Afg") gave up control

Companies House

2016

6 April 2016

  • Ambac Financial Group, Inc. ("Afg") took control (75–100% of shares)

Companies House

2013

1 April 2013

  • Regulated by the FCA from this date
  • Regulated by the Prudential Regulation Authority from this date

FCA register

2010

26 April 2010

  • FCA imposed a requirement (Must not commute or vary the terms of any existing)
  • FCA imposed a requirement (Must not take any action which may have the effect)

FCA register

2009

17 November 2009

  • FCA imposed a requirement (Must not effect or issue any contract of insurance)

FCA register

2001

1 December 2001

  • Regulated by the Financial Services Authority from this date
  • Became authorised by the FCA

FCA register

1999

12 February 1999

  • Changed its registered name from "AMBAC Assurance UK Limited"

FCA register

11 February 1999

  • Changed its registered name from "AMBAC Insurance UK Limited"

FCA register

1997

26 January 1997

  • Changed its registered name from "AMBAC Indemnity UK Limited"

FCA register

1996

11 September 1996

  • Incorporated at Companies House

Companies House

1901

1 January 1901

  • Supervised by HM Treasury under the money laundering rules from this date

FCA register

In the full report: all 66 events

  • All 66 events in its history (15 shown here)
  • Every director appointment and resignation: 48
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Firms connected to Ambac Assurance UK

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

connected firms
4
share a director
2
share its postcode
2

In the full report: all 4 connected firms, named

  • How each is linked: shared directors (2), the same postcode (2)
  • Who links each one: the named directors, with dates
  • 9 past links through former directors
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Firms like Ambac Assurance UK

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

In London

Cx Reinsurance Company Limited.LondonAuthorisedUBS Asset Management Life LtdLondonAuthorisedNavigators Insurance CompanyLondonAuthorisedChubb European Group SELondonAuthorisedChubb Life Europe SELondonAuthorisedFederal Insurance CompanyLondonAuthorised

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 Ambac Assurance UK

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

  • 93 other companies its directors have run, named
  • 3 background checks on its contact details
  • All 66 events in its history
  • 4 connected firms, named, and who links them

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Frequently asked questions about this firm

Is Ambac Assurance UK Limited FCA authorised?
Yes, Ambac Assurance UK Limited (FRN 202924) is authorised by the FCA to carry out regulated activities. It has held its current authorisation since December 2001 and works as an insurer. The FCA has placed 3 limits on what it may do.
What is Ambac Assurance UK’s phone number and website?
The FCA register lists the phone number 020 7786 4300 and the website ambac.com for Ambac Assurance UK. If you were given different contact details, use these to check with the firm before going any further.
Is Ambac Assurance UK a scam or clone?
Ambac Assurance UK 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 Ambac Assurance UK?
It may control client money but not hold it. It depends on the product, but eligible claims may be protected by the FSCS. You can also refer complaints about Ambac Assurance UK to the Financial Ombudsman Service, free of charge.
Who owns Ambac Assurance UK?
Ambac Assurance UK is owned by Brookfield Asset Management Ltd, which holds 50–75% of shares, 50–75% of votes and can appoint and remove the board, since 31 July 2026. Before that, it was controlled by Ambac Financial Group, Inc. ("Afg").
Who runs Ambac Assurance UK?
Companies House lists 7 directors of Ambac Assurance UK: David Peter Barranco, William Moray Newton Fall, Hugh John Boyle, Ben Robert Loomes, Alan Trond Dee, Yadin Rozov and 1 more.
How long has Ambac Assurance UK been in business?
The company was formed on 11 September 1996, and has held its current FCA authorisation since December 2001.
Does Ambac Assurance UK use any other names?
It has previously used 2 other names: AMBAC Indemnity UK Limited and AMBAC Insurance UK Limited.

Sources and links

The full report on Ambac Assurance UK Limited

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