Foreign participation in engineering companies is limited to minority shareholding.
"11.-(1) Where a person satisfies the Board-
(a) that he is not ordinarily resident in Tanzania;
(b) that he is or intends to be present in Tanzania in the capacity of a professionally qualified engineer for the express purpose of carrying out specific work or works for which he has been engaged; and
'(c) that he is, or immediately prior to entering Tanzania was in practice as an engineer in a capacity which satisfies the Board of his fitness to serve the public as a professionally qualified engineer.
Provided that, such qualifications, expertise and skills are not available amongst Tanzanian engineers and engineering techinicians.
the Board may, if it thinks fit, direct that person be registered under this section either for a period not exceeding one year, or for the duration of any specific work or works.
[...]
12.-(1) No person or body of persons not citizen of the United Republic shall be registered as a local consultant or consulting firms unless-
(a) in the case of a natural person, he is a citizen of the United Republic.
(b) in the case of a company, it is incorporated in Tanzania and the firms majority of its shares are owned by the citizens of United Republic;
(2) If the conditions stipulated in subsection (1) are not fulfilled, the person or company shall be registered as a foreign engineer, consultant or consulting firm as the case may be.
[...]
13.-(1) No person other than a registered engineer shall engage in professional engineering work or services.[...]" (ENGINEERS REGISTRATION ACT, 1997, as amended)
ENGINEERS REGISTRATION ACT, 1997, as amended
[<a href="https://erb.go.tz/index.php/the-act-of-1997-and-amendment">Act</a>]