Website & contact details
- Website
Demyst Consulting Limited
- Incorporated
- 28 November 2000 (25 years)
- Previously known as
- Brandcreator Limited (until 21 February 2017)Costream Limited (until 1 March 2004)
- Industry
- Management consultancy activities other than financial management (70229)
- Owned by
- Accounts type
- Micro entity
- Region
- Greater London
- Address
- 5th FloorHolborn Gate330 High HolbornLondonWC1V 7QH
Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 30 March 2027
- Last conf. stmt
- 16 March 2026
Officers 2 active
Officer details are public data from the Companies House register.
British
Born July 1991 (35)
Director · Appointed 23 July 2007
British
Born November 1964
Officer history (8 former)
1 October 2026
15 December 2021
30 June 2019
30 June 2019
30 April 2009
Resigned Tsappis, Lynne Christine as Director
30 April 2009
Resigned Tsappis, Lynne Christine as Secretary
23 July 2007
23 July 2007
Appointed Tsappis, Lynne Christine as Director
23 July 2007
Appointed Tsappis, Lynne Christine as Secretary
23 July 2007
23 July 2007
Resigned Costream Secretaries Limited as Corporate Secretary
23 July 2007
Resigned Costream Directors Limited as Corporate Director
25 January 2002
Appointed Costream Secretaries Limited as Corporate Secretary
25 January 2002
Appointed Costream Directors Limited as Corporate Director
25 January 2002
25 January 2002
Resigned Tsappis, Avril Brenda as Secretary
28 November 2000
28 November 2000
Appointed Tsappis, Avril Brenda as Secretary
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Private Company Limited By Shares
Reg. no. 3987984
Former controllers (1)
1 October 2026
Group structure 3 companies
Ownership group derived from the Companies House PSC register
Demyst Consulting Limited This company Owns 75–100% of shares
Markstream Ventures Limited Owns 75–100% of shares
Financials
Balance sheet as at 31 March 2025 · micro entity accounts
- Net Assets
- £3,321
- Employees
- 3
- Debt Ratio
- 61%
- Current Ratio
- 0.4x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|
| Fixed Assets | £6,424 | £6,993 | £7,562 | £0 | £0 | |
| Current Assets | £2,187 | £5,752 | £3,685 | £100 | £100 | £100 |
| Creditors (< 1 year) | £5,465 | £1,664 | £1,817 | £0 | £0 | |
| Creditors (> 1 year) | £0 | £0 | ||||
| Net Current Assets | (£2,663) | £5,045 | £3,926 | £100 | £100 | £100 |
| Net Assets | £3,321 | £11,638 | £7,171 | £100 | £100 | £100 |
| Shareholder Funds | £3,321 | £11,638 | £7,171 | £100 | £100 | £100 |
What Demyst Consulting say about themselves
“Demyst is a board performance, evaluation, learning and AI strategy consultancy helping boards improve judgement, contribution, trust and impact.”
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 6 August 2026 | Resolutions | |||
| 29 July 2026 | Statement of capital following an allotment of shares | |||
| 26 March 2026 | Confirmation statement with updates | 16 March 2026 | ||
| 22 December 2025 | Micro company accounts | 31 March 2025 | ||
| 25 April 2025 | Statement of capital following an allotment of shares |
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