Micro-parties are set to become one of the big winners in the Victorian election, as the Labor victory that swept Premier Daniel Andrews back into power hands them up to 10 seats in the state's Upper House.

Key points: Derryn Hinch vows to use any crossbench influence to push for a public sex offender register

Derryn Hinch vows to use any crossbench influence to push for a public sex offender register Fiona Patten says she has "no regrets" over campaign and reforms achieved in four-year term

Fiona Patten says she has "no regrets" over campaign and reforms achieved in four-year term "Preference whisperer" Glenn Druery says micro-parties' election "a very good thing"

Labor was set to increase its representation from 14 to 19 in the Legislative Council, while the Liberals were predicted to drop back from 14 seats to 9, according to the ABC's election computer at 7:30am on Monday.

The Greens were set to drop back from five Upper House MPs to just one, while Reason Party leader Fiona Patten was forecast to lose her spot in the Northern Metropolitan Region.

Derryn Hinch's Justice Party was expected to pick up four seats in the Council, and the Transport Party — which began as a protest party for disgruntled taxi drivers — is likely to win two seats.

The Aussie Battler Party, Liberal Democrats, Sustainable Australia, and the Animal Justice Party were all tipped to pick up one seat each across the state's regions.

Transport Party leader Rod Barton, who is likely to win a seat in the Eastern Metropolitan Region, said the party had evolved since its creation and was capable of forming positions on a range of policy issues.

"Do you only want Coles and Woolworths, or are you happy to have an independent? … Just because we're a minor party doesn't mean we're a bunch of fruit loops," he said.

He pointed to Ms Patten as an example of an independent politician who successfully negotiated political reforms.

Mr Hinch, who is a Victorian senator in the federal Parliament, said he was confident his party would pick up at least "one or two" seats.

"If we get four, it will be absolutely stunning," he said.

He said if his candidates — who include a former police officer and former mayor of Maribyrnong — are elected, they will focus on winning Labor support for policies to address law and order issues.

"Things like tightening up the parole conditions and bail conditions and sentencing. That sort of stuff resonates with me … and that's what I'm hoping we can do something about," Senator Hinch said.

The introduction of a public register of convicted sex offenders in Victoria would be a priority policy for any elected Justice Party politicians, he said.

"We will deal with the Government … we've got common ground on a lot of areas, so we'll do it."

Micro-party preference deals 'immoral': Patten

Ms Patten said while she felt she was still "in with a chance" as the vote count was finalised, there was certainly no "champagne breakfast" on Sunday.

"It was a big field and there were some new parties that ran some really strong campaigns and we did our best but I think the ALP result certainly affected the result for some of the small parties like mine," Ms Patten said.

Ms Patten said she suspected some of the reforms supported or initiated by her in the past four years — including voluntary assisted dying laws, safe injecting rooms and safe access zones around abortion clinics — probably helped Labor get re-elected.

"In a strange way, I think they can thank me for pushing them on some of these socially progressive issues, in line with where the community was, and the vote has reflected that," she said.

Fiona Patten said she had "no regrets" about the way she had run her election campaign. ( Supplied: Fiona Patten )

She said she was "disappointed" by the wave of micro-parties likely to be elected with only a small percentage of votes from Victorians, which she attributed to preference negotiations managed by so-called "preference whisperer" Glenn Druery.

Ms Patten had filed an official complaint with the Victorian Electoral Commission (VEC) earlier in the campaign, alleging Mr Druery, who has worked as a policy adviser for Derryn Hinch, had improperly asked for payment in order to negotiate micro-party preferences.

"What's done is done, and I think Mr Druery stands to make an awful lot of money on what's looking like a result where his micro-parties do get up on a very small vote and without campaigning at all," she said.

"I was somewhat punished in preference negotiations because I refused to play the game, and I'll have to live with that, but I will live with my conscience intact.

"And I think certainly a number of the other parties will have to reflect on their — what I would say — immoral behaviour."

Minor parties urged to work with government

Mr Druery told the ABC no laws had been broken in the preference negotiations and Ms Patten's referral of his actions to the VEC was an attempt to "smear me politically".

"It's interesting that Fiona thinks that preference trading is immoral because without preference trading [Ms Patten] would not have been elected in 2014," he said.

"I was engaged by her organisation to run her preferences then, and she was very successful on that occasion."

Mr Druery said the introduction of several micro-parties to the Upper House is "a very good thing" because it introduces diversity and "ordinary people" from outside the major parties into Parliament.

"My advice to any of the minor parties or independents that I've worked with over the years is you must work with the government of the day, they are the ones that will help you," he said.

"On the current numbers that we have before us, it's very likely that the Labor Government will need the support of between two and four of the minor parties, and I really don't envisage too many issues here if both parties play with an understanding of what the other parties need."

Greens slam Labor 'attack'

Victorian Greens leader Samantha Ratnam said on Sunday that the party — which appears to be set to lose four Upper House MPs — had faced a "huge swing" towards Labor.

"This is far from a mandate for Labor to continue with its plans to sell off public housing, log native forests and dig up brown coal," Ms Ratnam said in a statement.

"If Dan Andrews was truly committed to a progressive state, he should have spent less time attacking the Greens and more time worrying about the backroom deals that have the potential to see a host of right-wing MPs controlling the agenda in the Upper House."