Meet
Features
Solutions
Pricing
Sales Intelligence
Qualify prospects and connect with decision makers effortlessly
Research Companies & Directors
Make important decisions with absolute confidence
Create B2B Marketing Lists
Target and reach more of your ideal prospects than ever
Monitor Risks & Opportunities
Be the first to learn about changes in the companies that matter
Cleanse Your B2B Database
Instantly transform old records into new opportunities
Perform KYC Checks
Completely understand who you're working with
Discover New Businesses
Identify and connect with new companies as soon as they register
Company Credit Reports
See how companies are performing year–on–year and explore their debts
UPGRADE
Contact
Credit Report
Financials
People
Ownership
Latest Activity
Mutual Companies
Documents
Repayment History
Hartree Metallia (UK) Limited
Hartree Metallia (UK) Limited is an active company incorporated on 7 August 2020 with the registered office located in London, Greater London. Hartree Metallia (UK) Limited was registered 5 years ago.
Watch Company
Status
Active
Active since
incorporation
Company No
12798627
Private limited company
Age
5 years
Incorporated
7 August 2020
Size
Micro
Turnover is under
£1M
Balance sheet is under
£500,000
Under
10 employees
Confirmation
Submitted
Dated
6 August 2025
(1 month ago)
Next confirmation dated
6 August 2026
Due by
20 August 2026
(11 months remaining)
Last change occurred
3 years ago
Accounts
Submitted
For period
1 Jan
⟶
31 Dec 2024
(1 year)
Accounts type is
Full
Next accounts for period
31 December 2025
Due by
30 September 2026
(1 year remaining)
Learn more about Hartree Metallia (UK) Limited
Contact
Address
100 Victoria Street
2nd Floor Cardinal Place, West Building
London
SW1E 5JL
England
Same address since
incorporation
Companies in SW1E 5JL
Telephone
020 72017134
Email
Unreported
Website
Hartreepartners.com
See All Contacts
People
Officers
4
Shareholders
1
Controllers (PSC)
1
Jonathan Hugh O'Neill
Director • British • Lives in UK • Born in Mar 1957
Mr Stephen Michael Hendel
Director • American • Lives in United States • Born in Oct 1951
Stephen Michael Semlitz
Director • American • Lives in United States • Born in Feb 1953
Steve George Barbouttis
Director • Greek • Lives in UK • Born in Nov 1984
PSC
See Key People
Shareholders, PSCs & Group Structure
See who truly controls a company with full PSC, Shareholder, and Group Structure exploration
See All Shareholders, PSCs & Group Structure
Mutual Companies
Hartree Partners (UK) Limited
Stephen Michael Semlitz, Mr Stephen Michael Hendel, and 1 more are mutual people.
Active
Hartree Partners Power & Gas Company (UK) Limited
Stephen Michael Semlitz, Mr Stephen Michael Hendel, and 1 more are mutual people.
Active
Hartree Partners Advisory Services U.K. Limited
Stephen Michael Semlitz and Jonathan Hugh O'Neill are mutual people.
Active
Hartree Partners Supply (UK) Limited
Stephen Michael Semlitz and Jonathan Hugh O'Neill are mutual people.
Active
Kingsmoor Power Limited
Stephen Michael Semlitz and Jonathan Hugh O'Neill are mutual people.
Active
Hartree Solutions (UK) Limited
Stephen Michael Semlitz and Jonathan Hugh O'Neill are mutual people.
Active
Hartree Partners Power Holdings (UK) Limited
Stephen Michael Semlitz and Jonathan Hugh O'Neill are mutual people.
Active
Hartree Peaking (Holdings) Limited
Stephen Michael Semlitz and Jonathan Hugh O'Neill are mutual people.
Active
See All Mutual Companies
Financials
Net Assets, Total Assets & Total Liabilities (2021–2024)
Period Ended
31 Dec 2024
For period
31 Dec
⟶
31 Dec 2024
Traded for
12 months
Cash in Bank
£111K
Decreased by £2.64M (-96%)
Turnover
-£848K
Decreased by £4.29M (-125%)
Employees
Unreported
Same as previous period
Total Assets
£29.97M
Increased by £8.53M (+40%)
Total Liabilities
-£29.52M
Increased by £9.6M (+48%)
Net Assets
£454K
Decreased by £1.07M (-70%)
Debt Ratio (%)
98%
Increased by 5.59% (+6%)
See 10 Year Full Financials
Latest Activity
Steve George Barbouttis Resigned
17 Days Ago on 27 Aug 2025
Confirmation Submitted
26 Days Ago on 18 Aug 2025
Full Accounts Submitted
2 Months Ago on 19 Jun 2025
New Charge Registered
9 Months Ago on 21 Nov 2024
Full Accounts Submitted
1 Year 1 Month Ago on 12 Aug 2024
Confirmation Submitted
1 Year 1 Month Ago on 6 Aug 2024
Jonathan Hugh O'neill Resigned
1 Year 2 Months Ago on 8 Jul 2024
Steve George Barbouttis Appointed
1 Year 2 Months Ago on 8 Jul 2024
Mr Stephen Michael Semlitz Details Changed
1 Year 8 Months Ago on 28 Dec 2023
New Charge Registered
1 Year 9 Months Ago on 22 Nov 2023
Get Alerts
Get Credit Report
Discover Hartree Metallia (UK) Limited's Credit Score, how much credit you can offer them, and how likely they are to repay you
See All Credit Score & Limits
Documents
Termination of appointment of Steve George Barbouttis as a director on 27 August 2025
Submitted on 27 Aug 2025
Confirmation statement made on 6 August 2025 with no updates
Submitted on 18 Aug 2025
Full accounts made up to 31 December 2024
Submitted on 19 Jun 2025
Resolutions
Submitted on 3 Dec 2024
Registration of charge 127986270008, created on 21 November 2024
Submitted on 22 Nov 2024
Full accounts made up to 31 December 2023
Submitted on 12 Aug 2024
Confirmation statement made on 6 August 2024 with no updates
Submitted on 6 Aug 2024
Appointment of Steve George Barbouttis as a director on 8 July 2024
Submitted on 12 Jul 2024
Termination of appointment of Jonathan Hugh O'neill as a director on 8 July 2024
Submitted on 12 Jul 2024
Director's details changed for Mr Stephen Michael Semlitz on 28 December 2023
Submitted on 11 Jan 2024
Explore All Documents
Repayment History
Understand how businesses repay their debts and see how they're performing year‐on‐year
See All Charges & CCJs