ZIM's workforce has rejected Hapag-Lloyd's revised $4.2bn takeover structure, keeping up the pressure on a deal that has faced opposition in Israel since its announcement in February — despite new concessions on Asian services, employment and maritime security.

Rolf Habben Jansen, chief executive of the German carrier, flew to Israel last week and presented a substantially sweetened version of the transaction to the government alongside private equity partner FIMI. The headline terms have not moved: $35 a share, valuing ZIM at $4.2bn. What has changed is the package around the price.

The buyers added a weekly Far East service to the Israeli-controlled business that would remain outside the transaction, strengthened the state's golden-share protections, and proposed retaining more shipping expertise, IT infrastructure and seafarer employment inside Israel. The new structure would also give ZIM Israel access to Hapag-Lloyd's wider container fleet, and FIMI has committed to increasing the number of Israeli seafarers.

One number, however, stayed exactly where it was: 16 ships. That is the size of the fleet the Israeli operation carved out of the deal would retain, and it is the figure at the centre of the workers' refusal.

Oren Caspi, head of ZIM's labour union, told The Times of Israel the revised structure still left Israel dangerously dependent on foreign-controlled shipping. "We need at least 50 ships in Israeli hands and lines to all trade corners of the earth," he said, arguing the fleet must be capable of serving routes from the Far East through to the US.

That demand sets a hard commercial benchmark. Closing the gap between 16 and 50 vessels would require the buyers to either strip meaningful tonnage and revenue out of the combined group — diluting the deal's synergy case — or commit to fleet growth in Israel at significant capital cost. Neither option appears in the revised proposal.

For Hapag-Lloyd, the stakes extend beyond the acquisition itself. ZIM brings an established presence on transpacific and intra-Asian trade lanes, and the German carrier has been consolidating its position among the world's largest container lines while pushing through its Gemini network transition. A prolonged political fight in Israel delays integration planning and leaves ZIM's commercial direction in limbo.

For ZIM's shipper customers, the uncertainty cuts both ways. A collapse of the deal would leave the Israeli carrier independent but without Hapag-Lloyd's fleet scale; a completed deal shifts a substantial share of its operations under Hamburg-based control. Israeli shippers in particular face the question Caspi raised directly: whether a 16-ship national fleet can guarantee service continuity from Asia to the US and beyond.

The opposition has never been confined to the union hall. Workers staged strike action after the deal was announced in February. A Knesset committee has questioned whether a 16-ship fleet would suffice to meet wartime logistics obligations. And in July the political temperature rose sharply when prime minister Benjamin Netanyahu and defence minister Israel Katz urged that the transaction be abandoned, arguing it did not adequately protect Israel's security interests.

That leaves Hapag-Lloyd and FIMI needing to satisfy a union demanding more than triple the committed fleet, a government whose two most senior figures have already called for the deal to be dropped, and a Knesset committee focused on wartime supply resilience — all without raising the $35-per-share price.

With the workers' rejection now on record and Netanyahu and Katz publicly opposed, the next signal will come from the government's formal response to the revised structure, which will determine whether the $4.2bn transaction proceeds, gets restructured again, or collapses entirely.