For much of its history, the trade union movement’s main opponent has been the Conservative Party. But now it finds itself taking on a different type of adversary – one it might describe as a wolf in sheep’s clothing.

It began when Nigel Farage, known for being a staunch advocate of free trade and private markets, declined to criticise the Unite union for its bin strike in Birmingham, before calling for the nationalisation of British Steel following the near collapse of its plant in Scunthorpe.

The Reform UK leader has been sweet-talking the trade unions, speaking their language and brandishing their leaflets in public in what appears to his critics to be a new opportunistic strategy.

Farage’s courting of union members has alarmed the movement’s leaders – so much so that Sky News understands the executive of the Trades Union Congress (TUC), which represents unions across the country, has been holding meetings to draw up a strategy on how best to combat his appeal and more broadly, the far-right.

Over the weekend, as the two main parties were processing the battering they received in the local elections largely courtesy of Farage’s party, Unison’s general secretary Christina McAnea urged members of councils now controlled by Reform to join a union.

“Unions are there to ensure no one can play fast and loose with the law,” she said, after Farage threatened to sack staff working in areas such as diversity or climate change.

‘Political fraud’

Paul Nowak, the general secretary of the TUC, has begun to step up his criticism of the former UKIP leader – accusing him of “cosplaying as a champion of working people”.

“He is not on the side of the working people,” he tells Sky News. “He’s on the side of bad bosses who want to treat staff like disposable labour.

“Unions will continue to expose him for the political fraud he is.”

At the moment, that campaign is largely focused on highlighting Farage’s voting record – in particular his decision to oppose the Employment Rights Bill, legislation unions say they have wanted for decades.

The bill offers protection from unfair dismissal from the first day of employment and sick pay for all workers from the first day of absence, among other measures.

The TUC says the bill is incredibly popular – and not just among Labour voters.

According to a poll it conducted of more than 21,000 people with campaign group Hope Not Hate, banning zero hours contracts is supported by more than seven in 10 UK voters – including two in three Reform voters from the 2024 election.

“People are going to find there are improvements to their life and work,” an insider tells Sky News. “We want them to understand who was for it, and who was against it.”

The TUC has also begun promoting videos on social media in which workers in the electric vehicle industry accuse Farage of threatening their jobs.

Farage’s response to the bill has been to claim that a clause within in that gives workers protection from third party harassment could herald the end of “pub banter”.

‘There has always been fellow feeling with unions’

But Gawain Towler, an ex-Reform press officer who has worked on and off for Farage for 20 years, insists his former boss isn’t against workers’ rights – he’s just opposed to Labour’s bill.

“Reform don’t see it as a workers rights’ bill – we think it takes away opportunities for work because it scares people away from employing people,” he says.

He believes “mass migration” is the real obstacle to better wages and job security, and argues net zero policies are “costing union members their jobs”.

The government may point to a recent study suggesting the net zero sector has grown by 10% over the past year, supporting the equivalent of 951,000 full-time jobs.

For Farage’s allies, his courting of union members is neither disingenuous nor new.

“He’s anti-union management, he’s not anti-union,” says Towler, who noted Farage’s friendship with the late union leader and Brexit advocate Bob Crow.

“Nigel has always been a free trader, but he’s never been deeply partisan, which is why he was able to start the Brexit Party. There has always been that fellow feeling with unions.”

Indeed, on one issue, a commonality is emerging between Reform and the GMB union.

While general secretary Gary Smith has criticised Farage for being “soft on Russia” and for voting against the Employment Rights Bill, there is an agreement between the pair over the impact of net zero.

Those sceptical of the government’s plans for the green transition point to Port Talbot in Wales, where 2,500 workers are expected to lose their jobs, and Grangemouth, where the closure of Scotland’s last remaining oil refinery is expected to result in around 400 job losses.

Although Unite has no common truck with Reform, it has warned there should be “no ban without a plan” when it comes to issuing new oil and gas licences.

‘Labour has one shot with workers’

For some unions, Labour’s position on certain issues has provided Reform with an opening.

There’s disappointment at some Labour policies in government – from partly watering down the Employment Rights Bill to stave off dissent from business leaders, to welfare cuts and offering below-inflation pay rises for public sector workers.

Gawain Little, the general secretary of the General Federation of Trade Unions, tells Sky News the party risks leaving “space open for fakers like Farage to come along and pretend they have people’s interests at heart”.

Only a sense that austerity is over, likewise the cost of living crisis, will truly “challenge” the Reform leader, he says.

One GMB member says Farage’s strategy is “from the same playbook” as right-wing parties in Europe, such as the AfD in Germany and Georgia Meloni’s Brothers of Italy.

By “continuously legitimising” Reform by talking tough on migration, union activists who usually get the word out for Labour have been left demoralised.

Farage on the picket line?

The current distance with some unions did not start in government. It began in opposition, when Labour refused to back workers who were on strike and when the party did not endorse some candidates put forward by some of the more left-wing unions.

But so far, sources in Labour have dismissed Farage’s tactics as just words – and believe his previous anti-union rhetoric will weigh against him when he tries to court votes.

In fact, Mr Farage’s calls for the renationalisation of steel have been interpreted as him “trying to jump on the bandwagon” of Labour’s success.

However, Damian Lyons Lowe, the founder of pollster Survation, spots danger for Labour if Farage is able to successfully tilt in the direction of workers’ rights – especially if the government finds itself unable to follow.

He says taking the side of unions in an industrial dispute over pay would be an example of a classic “wedge” strategy that Farage can deploy to back Labour into a corner.

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And given the government’s initial 2.8% pay offer to public sector workers is below that reportedly drawn up by the independent pay review body for NHS workers and teachers, there is the very real prospect this scenario could arise.

“It could pose a real threat to Labour,” Lyons Lowe says, with union members in “post-industrial” areas potentially receptive to a message of “protectionism, industrial revival, and national self-sufficiency”.

Could what started with Farage brandishing leaflets end up with him joining the picket line?

While one union insider doesn’t think Farage will ultimately convince union leaders, members may be tempted.

The Starmer government has “one shot to deliver for workers”, they warn.

“If they don’t, Farage and Reform are waiting in the wings.”