When was Sienna Resources founded?

Sienna Resources was founded in 1983 and raised its 1st funding round 35 years after it was founded.

Where is Sienna Resources located?

Sienna Resources is headquartered in Vancouver, Canada.

How many employees does Sienna Resources have?

As of Aug 31, 2026, the latest employee count at Sienna Resources is 3.

Is Sienna Resources a funded company?

Sienna Resources is a funded company, having raised an undisclosed amount across 6 funding rounds to date. The company's 1st funding round was a $***** Post IPO round, raised on Jan 22, 2018.

When was the latest funding round of Sienna Resources?

Sienna Resources' latest funding was a $***** Post IPO round on Oct 17, 2025, with participation from 0 investor. Its primary sector is Mining Companies. In Canada, the Mining Companies sector has seen $3.24B in funding in 2026 to date.

Where does Sienna Resources rank among its competitors?

Sienna Resources ranks 283rd amongst 2117 active competitors, of which 55 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Sienna Resources, which secured $1.36M in Oct, 2025.

Who are the top competitors of Sienna Resources?

Sienna Resources' top competitors include Rio Tinto, Glencore and Thriveni. Among them, Sienna Resources secured the most recent funding round in October, 2025.

Sienna Resources - 2026 Company Profile, Funding & Competitors

Sienna Resources is a public company based in Vancouver (Canada), founded in 1983. It operates as a Mining and exploration firm. Sienna Resources has raised an undisclosed amount in funding. The company has 2117 active competitors, including 55 funded and 893 that have exited. Its top competitors include companies like Rio Tinto, Glencore and Thriveni.

Company Details

Website: www.siennaresources.com/
Social
Email ID: *****@siennaresources.com
Phone Number: +1 **********

Key Metrics

Founded Year

1983

Location

Vancouver, Canada

Stage

Public

Latest Funding Round

Post IPO, Oct 17, 2025, $*****

Ranked

283^rd among 2117 active competitors

Employee Count

3 as on Aug 31, 2026

Similar Companies

Rio Tinto & 2200 more

Exit Details

Public

View Sienna Resources' full profile

Sienna Resources got listed on Aug 08, 1996.

Click here to take a look at Sienna Resources's IPO in detail

Sienna Resources has raised funding over 6 rounds. Its first funding round was on Jan 22, 2018.

Here is the list of recent funding rounds of Sienna Resources:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Oct 17, 2025	1510595	Post IPO	2369276	3492310	8475287	4142067
May 30, 2025	4165319	Post IPO	5273394	3294982	7911062	1199919
Oct 30, 2024	6545711	Post IPO	7945807	4434843	1579105	5724741

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View details of Sienna Resources's funding rounds and investors

Sienna Resources' employee count trend

Sienna Resources has 3 employees as of Aug 26. Here is Sienna Resources's employee count trend over the years:

Employee count trend for Sienna Resources

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Top competitors of Sienna Resources include Rio Tinto, Glencore and Thriveni. Here is the list of Top 10 competitors of Sienna Resources, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Rio Tinto 1873, London (United Kingdom), Public	Manufacturer of metals and minerals	-	Umbono, Greyrock Investments & 10 others	74/100
2nd	Glencore 1974, Baar (Switzerland), Public	Producer and supplier of metals and minerals	$2.2B	First Reserve, Bank of China & 6 others	71/100
3rd	Thriveni 1991, Salem (India), Acquired	Operator of mining projects and provider of mineral processing and equipment refurbishment services	$98.2M	Samara Capital, Aryan Mining and Trading Corporation ... & 3 others	67/100
4th	Anglo American 1917, London (United Kingdom), Acquired	Provider of precious metals exploration & development services	-	Vale, Elliott Management & 4 others	66/100
5th	Newmont 1916, Greenwood Village (United States), Public	Provider of gold mining and exploration services	-	Poku Capital	64/100
6th	Coeur 1928, Chicago (United States), Public	Provider of precious metals exploration services	-	-	64/100
7th	Agnico Eagle 1957, Toronto (Canada), Public	Provider of gold exploration and development services	-	Castle Investment Management, Elysee Development ... & 1 others	62/100
8th	Skeena Resources 1979, Vancouver (Canada), Public	Canadian mining exploration company focused on developing prospective precious and base metal properties	-	Franco-Nevada, Barrick & 3 others	60/100
9th	SilverCrest Metals 1973, Vancouver (Canada), Acquired	Previous metals exploration company	$12.1M	SSR Mining, Desjardins & 3 others	60/100
10th	NCC 1978, Hyderabad (India), Public	Developer of infrastructure projects for transportation water irrigation and mining	-	Subhkam Ventures, ICICI Venture & 3 others	59/100
283rd	Sienna Resources 1983, Vancouver (Canada), Public	Mining and exploration firm	-	-	40/100