Hallmark Marketing Limited

Reference number: 800566

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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 thediamondbox.co.uk first appeared online, and whether it can receive email
  • What kind of line 020 8838 3655 is
  • Who else gives the postcode N3 2DN
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Other names (2)

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

  • My Jewellery Box Trading name
  • The Diamond Box Trading name

FCA permissions and consumer protection

  • Lend or arrange credit No FSCS cover
    Consumer credit is not covered by the FSCS, so there is no compensation scheme if the firm fails.
  • 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 (1 permission)
  • Credit Broking

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
03959769
Company status
Active
Company type
Private limited company
Incorporated
30 March 2000 (26 years old)
Registered office
97 Carlton Avenue East, Wembley, Middlesex, HA9 8LZ, United Kingdom
Nature of business
  • Other retail sale of new goods in specialised stores (not commercial art galleries and opticians) (SIC 47789)

Directors and company secretaries

Name Role Born Appointed Other companies
Sara Marzell Director Nov 1964 18 May 2013 5 other companies
Simon Marzell Director Feb 1963 24 Aug 2020 3 other companies
Elliott Marzell Director Feb 1993 30 Oct 2025 6 other companies
Sara Marzell Secretary Not published 12 Mar 2002 5 other companies

Other companies run by these 3 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
13
closed down
5
run together
1

In the full report: all 13 companies, named

  • What each company does, and whether it is still trading
  • Which of these 3 directors sit on each board, and since when
  • Any that went into liquidation or administration
  • The 1 company these 3 directors run together
  • All 5 people who have ever been directors, with their dates
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Filed accounts and finances

Year to 28 February 2025Small company accountsNot audited

Net assets

£874k

+6.5% from £821k

Cash at bank

£145k

No earlier figure to compare

Employees (average)

6

Same as 6

Owed within a year

£415k

+53% from £272k

Assets and liabilities

In the full report: all 6 years of accounts

  • Every year from 2020 to 2025
  • The chart, over every year
  • Every filed figure, year by year
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About these figures
Turnover
Money taken from sales in the year, before any costs.
Profit before tax
What was left after the year’s costs, before corporation tax. A minus figure is a loss.
Net assets, or total equity
Everything the company owns minus everything it owes. A minus figure means it owes more than it owns.
Total assets and total liabilities
Everything the company owns, and everything it owes, on the last day of the year. The gap between them is its net assets.
Cash at bank
Money in the company’s accounts on the last day of the year.
Owed within a year, owed after a year
Debts and bills due in the next twelve months, and those due later.

There is no turnover or profit: small companies do not have to publish them.

Accounts filed at Companies House for company 03959769. Every figure is as filed, apart from total assets and total liabilities, which are added up from filed figures. Nothing is estimated.

Key dates in its history

Hallmark Marketing’s history from the FCA register and Companies House, newest first.

Key events (8) All events (19)

2026

29 July 2026

  • Elliott Marzell gained significant control

Companies House

2020

31 March 2020

  • Sara Marzell gave up control
  • Simon Marzell took control (75–100% of shares)

Companies House

2018

27 March 2018

  • Regulated by the FCA from this date
  • Became authorised by the FCA

FCA register

2016

6 April 2016

  • Sara Marzell took control (75–100% of shares)

Companies House

2013

18 May 2013

  • Board replaced: its only director left and a new director took over

Companies House

2000

30 March 2000

  • Incorporated at Companies House

Companies House

In the full report: all 19 events

  • All 19 events in its history (8 shown here)
  • Every director appointment and resignation: 7
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Firms connected to Hallmark Marketing

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

connected firm
1
share its postcode
1

In the full report: the connected firm, named

  • How it is linked: the same postcode (1)
  • Who links it to this firm: the named directors, with dates
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Firms like Hallmark Marketing

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

In London

Ikea LimitedLondonAuthorisedArgos LimitedLondonAuthorisedMarks and Spencer P.L.C.LondonAuthorisedCurrys Group LimitedLondonAuthorisedNew Look Retailers LimitedLondonAuthorisedTicketmaster UK 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 Hallmark Marketing

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

  • 13 other companies its directors have run, named
  • 3 background checks on its contact details
  • 6 years of accounts, charted
  • All 19 events in its history
  • 1 connected firm, named, and who links them

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Frequently asked questions about this firm

Is Hallmark Marketing Limited FCA authorised?
Yes, Hallmark Marketing Limited (FRN 800566) is authorised by the FCA to carry out regulated activities. It has held its current authorisation since March 2018 and works as a retailer. The FCA has placed no limits on its permissions.
What is Hallmark Marketing’s phone number and website?
The FCA register lists the phone number 020 8838 3655 and the website thediamondbox.co.uk for Hallmark Marketing. If you were given different contact details, use these to check with the firm before going any further.
Is Hallmark Marketing a scam or clone?
Hallmark Marketing 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 Hallmark Marketing?
Its FCA permissions do not allow it to hold or control client money. Protection depends on which product you hold and how Hallmark Marketing handles your money, so check the specific product before you commit. You can also refer complaints about Hallmark Marketing to the Financial Ombudsman Service, free of charge.
Who owns Hallmark Marketing?
Companies House lists 2 people with significant control of Hallmark Marketing: Mr Simon Marzell (75–100% of shares) and Mr Elliott Marzell (significant influence or control). Before that, it was controlled by Mrs Sara Marzell.
Who runs Hallmark Marketing?
Companies House lists 3 directors of Hallmark Marketing: Sara Marzell, Simon Marzell and Elliott Marzell.
How long has Hallmark Marketing been in business?
The company was formed on 30 March 2000, and has held its current FCA authorisation since March 2018.
What do Hallmark Marketing’s latest accounts show?
Its latest accounts, to 28 February 2025, show net assets of £874k (+6.5% from £821k) and cash at bank of £145k (no earlier figure to compare).
Does Hallmark Marketing use any other names?
It trades as My Jewellery Box and The Diamond Box.

Sources and links

The full report on Hallmark Marketing Limited

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