Exhibit 42 The Directors Professional Staff plc Buckland House Waterside Drive Langley Business Park Slough Berkshire SL3 6EZ 28 April 2003 Dear Sirs Re: Recommended Proposals for the acquisition of all the issued and to be issued share capital of Professional Staff plc by Ohsea Holdings Limited to be effected by means of a Scheme of Arrangement under Section 425 of the Companies Act 1985 We hereby consent to the incorporation (by reference or otherwise) in the Statement on Schedule 13E-3, filed by Ohsea Holdings Limited and the other filing parties thereto with the Securities and Exchange Commission on April 28, 2003, of the description of our actions and recommendations set forth therein and in the Scheme Document (as defined in the Schedule 13E-3), which will be included as an Exhibit to such Schedule 13E-3. Yours faithfully /s/ R.A. Lo R.A. Lo Director, for and on behalf of Nabarro Wells & Co. Limited