可以考虑以下内容:
“
To Whom It May Concern (给相关人士的证明 – 外国惯用开头、标题)
This is to certify that Mr XXX (最好加上: ID No. 1234567890), male, born on 01 July, 1987, is a permanent employee of our Company. Mr XXX started working with us since 07 Nov., 2011.
(最好加上下面的说法,增加可信度)
Should you have any query or require any further information, please do not hesitate to contact the undersigned by phone or by email. (如阁下对此中内容有任何疑虑或需要进一步资料,请随时以电话或电邮和本人、以下签字人联系)
Dated this 24th Feb., 2012 (把日期也清楚写上)
For and on behalf of
ABC Co Ltd
签字、盖章
”
希望帮到你.