Summary of significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of significant accounting policies

Property, plant and equipment

Office premises	47 to 51 years
Leasehold improvements	over terms of the leases or the useful lives whichever is less
Furniture, fixtures and office equipment	3 to 5 years
Motor vehicles	4 years
Testing equipment	3 years

Engineering segment backlog

	2021		2020
	US$’000		US$’000
Engineering segment		5,400		11,581

Impact of the restatement equity

	December 31, 2021
	As Previously Reported	As Restated
	US$’000	US$’000
Ordinary share	5,322,459 no par value shares issued as of December 31, 2021 (2020: 3,260,559)	7,899,832 no par value shares issued as of December 31, 2021 and 2020

Impact of the restatement income loss of opration

	December 31
	As Previously Reported			As Restated
	US$’000			US$’000
Operating income / (loss)
2021		781			771
2020		(1,701	)		(272	)
2019		(440	)		(445	)
Net income / (loss) per ordinary share attributable to Euro Tech Holdings Company Limited’s shareholders
- Basic
2021	$	US0.19		$	US0.13
2020	$	US0.25		$	US0.10
2019	$	US(0.06	)	$	US(0.02	)
- Diluted
2021	$	US0.19		$	US0.13
2020	$	US0.25		$	US0.10
2019	$	US(0.06)		$	US(0.02	)
Weighted average number of ordinary shares outstanding
- Basic
2021		5,154,759			7,732,132
2020		3,092,859			7,732,132
2019		2,301,993			7,732,132
- Diluted
2021		5,154,759			7,732,132
2020		3,092,859			7,732,132
2019		2,301,993			7,732,132

Impact of the restatement shareholders equity

	December 31
	As Previously Reported		As Restated
	US$’000		US$’000
Number of ordinary share
Balance at December 31, 2018		2,229,609		7,899,832
Balance at December 31, 2019		3,260,559		7,899,832
Balance at December 31, 2020		3,260,559		7,899,832
Balance at December 31, 2021		5,322,459		7,899,832