Amerisur Resources

Amerisur Resources plc is an independent full-cycle exploration and production oil and gas company focused on South America, with an extensive portfolio of assets in Colombia and Paraguay. In 2016 Amerisur successfully built and is 100% owner of the strategic OBA pipeline into Ecuador.

Amerisur is listed on the AIM market of the London Stock Exchange. The Company's headquarters are located in Wales, Great Britain with operational offices in Bogota, Colombia and Paraguay.

The current management team was appointed during the course of 2007 and has focused on delivering value to shareholders and taking Amerisur through to production. It has been successful in growing production capacity to 7,300 BOPD, currently constrained at 4,500 BOPD and significantly increasing Amerisur's reserves.

HQSaint Mellons, GB
Cybersecurity ratingBMore
Amerisur Resources was founded in 2000 and is headquartered in Saint Mellons, GB

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Key People/Management at Amerisur Resources

Giles Clarke Cbe Dl

Giles Clarke Cbe Dl

John Wardle

John Wardle

Chief Executive Officer
Nick Harrison

Nick Harrison

Chief Financial Officer
Alex Snow

Alex Snow

Senior Independent Non-Executive Director
Stephen Foss

Stephen Foss

Independent Non-Executive Director
Elodie Grant Goodey

Elodie Grant Goodey

Independent Non-Executive Director
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Amerisur Resources Office Locations

Amerisur Resources has offices in Saint Mellons and Beckenham
Beckenham, GB
34 Beckenham Rd
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Amerisur Resources Financials and Metrics

Summary Metrics

Founding Date


Amerisur Resources Revenue

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Amerisur Resources's revenue was reported to be £85.51 m in FY, 2018 which is a 27.8% increase from the previous period.
GBPFY, 2010FY, 2011FY, 2012FY, 2013FY, 2014FY, 2015FY, 2016FY, 2017FY, 2018



Revenue growth, %


Cost of goods sold


Gross profit

GBPFY, 2001FY, 2002FY, 2004FY, 2005FY, 2006FY, 2007FY, 2008FY, 2009FY, 2010FY, 2011FY, 2012FY, 2013FY, 2014FY, 2015FY, 2016FY, 2017FY, 2018



Accounts Receivable




Current Assets

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Net Income


Cash From Operating Activities


Dividends Paid


Cash From Financing Activities

GBPFY, 2001

Financial Leverage

1 x
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Amerisur Resources Operating Metrics

FY, 2014FY, 2015

Oil Proven and Probable Reserves (2P Reserves), MMbbl

24.55 23.70

Oil and Gas Reserves, mmboe

16.20 15.20
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Amerisur Resources Revenue Breakdown

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Amerisur Resources revenue breakdown by geographic segment: 100.0% from Colombia and 0.0% from Other

Amerisur Resources Cybersecurity Score

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Amerisur Resources Environment, Social & Governance (ESG) Ratings

CSRHub ESG ratingPremium dataset


out of 100

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Amerisur Resources Online and Social Media Presence

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Amerisur Resources News and Updates

Amerisur Resources Plc

     FORM 8.5 (EPT/RI)

Form 8.5 (EPT/RI) - Amerisur Resources plc

     FORM 8.5 (EPT/RI)

Amerisur Resources Frequently Asked Questions

  • When was Amerisur Resources founded?

    Amerisur Resources was founded in 2000.

  • Who are Amerisur Resources key executives?

    Amerisur Resources's key executives are Giles Clarke Cbe Dl, John Wardle and Nick Harrison.

  • How many employees does Amerisur Resources have?

    Amerisur Resources has 80 employees.

  • What is Amerisur Resources revenue?

    Latest Amerisur Resources annual revenue is £85.5 m.

  • What is Amerisur Resources revenue per employee?

    Latest Amerisur Resources revenue per employee is £1.1 m.

  • Who are Amerisur Resources competitors?

    Competitors of Amerisur Resources include GulfSlope Energy, Maverick Natural Resources and Halcon Resources.

  • Where are Amerisur Resources offices?

    Amerisur Resources has offices in Saint Mellons and Beckenham.

  • How many offices does Amerisur Resources have?

    Amerisur Resources has 2 offices.