Tech Track 100

The 2010 Deepwater Horizon oil spill in the Gulf of Mexico boosted business at this company, which develops technologies to improve well control during oil and gas extraction. The Aberdeen company has lifted sales to £13.9m in the three years since it was set up, and recently won a multimillion-pound contract from Shell. Chief executive Jamie Oag, 47, previously founded the oil and gas services firm Optima, which he sold for £40m to US company Tetra in 2012.

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Company details
CompanySPEX Group
ActivityOil & gas technology developer
Average 3 year sales growth259.41%
Latest sales £000s13,935

If applicable:

* supplied by company † annualised figure