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Griffin Mining AIM:GFM

Founded
1997
Incorporated
Bermuda
Employees
544
Reports in
USD
Companies House
FC016234

Zinc and gold producer operating the Caijiaying mine in Hebei Province, China, through a majority-owned Chinese joint venture, one of very few London-quoted companies mining in China. Long-established operation generating cash from zinc concentrate with gold and silver by-products.

Basic MaterialsZinc and gold mining
Where the figures come from
How we read

Read straight from the annual reports

Share price and financials

310c at close on 2 Oct 2026 · 30 reported years, 1993–2025

Years in viewFY1993 – FY2026
2 Oct 2026310c+1,064.3% since 4 Jan 2016
310c
LineFY199312/93FY199412/94FY199512/95FY199612/96FY199712/97FY199812/98FY199912/99FY200012/00FY200112/01FY200212/02FY200312/03FY200412/04FY200512/05FY200612/06FY200712/07FY200812/08FY200912/09FY201012/10FY201112/11FY201512/15FY201612/16FY201712/17FY201812/18FY201912/19FY202012/20FY202112/21FY202212/22FY202312/23FY202412/24FY202512/25FY2026unreported
Revenue———————————
Gross profit———————————
Operating profitlater 0.14later 0.18later (1.6)
Exceptional items———————————————————————————
Net finance cost
Profit before taxlater 0.16later 0.24later (0.11)
Tax chargelater 0.02
Profit for the yearlater 0.24later (0.11)
EBITDA
Basic EPS
Diluted EPS————
Dividend per share———————————

USD millions, negatives in brackets. Per-share lines in cents, share counts in millions. later is what a following report restated the figure to; vs is a second reading that disagrees. The figure shown is the one the original filing printed, and both readings are kept. Click any figure: opens the report page it was read from, highlighted; shows how it was calculated. The share price above is drawn to the same columns: each close sits over the financial year it fell in.

2 figures

19 years, at a glance

USD · %
050m100m150m0%20%40%60%80%FY2004FY2025

Dashed: Operating margin, in % on its own scale — read its shape, not its height against the bars.

FY2025Revenue$137mOperating margin22.4%
The latest report

FY2025 annual report

year to 31 Dec 2025 · approved 11 May 2026 · 62 pages · Company website

Open the reportJSONComing soon
Next report19 May 2027for the year to 31 Dec 2026, estimated from this company's own record of filing dates
Sixty seconds on this reportPlaceholder

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From the reportevery line sits on the page it names
What drove revenue

Zinc metal in concentrate sales

Zinc metal in concentrate revenue before royalties $79,721,000 (2024: $96,127,000); 36,058 tonnes sold at avg $2,211/t (2024: $2,414/t)

page 16
And

Gold and silver in concentrate sales

Gold metal in concentrate revenue $48,825,000 (2024: $36,211,000); average gold price received rose to $3,274/oz (2024: $2,228/oz); silver rose to $32.0/oz (2024: $24.3/oz)

page 16
What moved the marginheadwind

Smelter treatment charges

Treatment charges rose from 13.5% of LME in 2024 to 22.8% in 2025

page 16
Andtailwind

Gold and silver price realisations

Average gold price received rose to $3,274/oz (2024: $2,228/oz) and silver to $32.0/oz (2024: $24.3/oz); gross profit rose to $60,323,000 (2024: $51,251,000)

page 16
One-offs in the year

$1k charge: Impairment of exploration interests

page 46
What management said

For 2026 the operational outlook is positive with an expected return to 1.5 million tonnes per annum production during the year and new mining areas coming online.

page 4
After the year end

No adjusting post balance sheet events. In January 2026 the mining licence over the Caijiaying Mine was successfully renewed to 28 August 2054.

page 60
The dividend

No dividends were paid in 2025 (2024: nil). The directors do not recommend a dividend at this time but will consider all alternatives in 2026 to either return excess cash to shareholders or increase shareholder value, alongside the ongoing share buyback programme.

page 39
Going concern and the audit

Unqualified/unmodified audit opinion from BDO LLP (engagement partner Peter Acloque); the auditor identified no material uncertainty relating to going concern. Sole Key Audit Matter in both 2025 and 2024: the business licence extension and Hebei Hua Ao's conversion to a limited liability company. Group materiality was set at $1,250,000 (2024: $960,000), being 5% of three-year average profit before tax; performance materiality $937,000 (75% of materiality). Directors concluded the going concern basis is appropriate based on cash flow forecasts to 31 December 2027 incorporating severe but plausible downside scenarios (including a three-month suspension scenario).

page 42
The risks it names first
  • Exposure to a fall in zinc, gold, silver and lead metal prices (High impact)p.40
  • Exposure to fluctuations in the Renminbi/US dollar exchange rate (Moderate impact)p.40
  • Exposure to increases in market prices of materials, equipment and services (Moderate impact)p.40
  • Country risk - political and social risk in the PRC (Low impact)p.40

Read from C000575-AR-2025-website.

Filings

28 annual reports read, FY1994 to FY2025

Open a year to see what its report said. Every line in it carries the page it was read from.

Sources: Companies House (17), Company website (11)

  1. FY2026Next report expected 19 May 2027

  2. FY2012–FY2015No annual reports read for these 4 years

  3. FY2010No annual report read for this year

Every figure above,
back to the page it was printed on