The US engineering company, CH2M, has thronged an offer of £189m, which had led the share offer by 245p for Scott Wilson, pinning down a bid combat for the British group helping craft the Cross rail train line.

Since then the said has been topping the charts with an earlier £161m, which is 210p-a-share suggested an proposal through the US rival URS, which is fraction of a the joint venture helping sustain the Sellafield nuclear site.

The group CH2M has 13.1pc of Scott Wilson has the support of Scott Wilson investors which is having 5pc of the company's shares. Scott Wilson has entailed the URS till July 1 to match the steps with the new offer.

The URS group has the matching rights agreement with Scott Wilson, as it expressed to consider the options with it.

The panorama of the bidding combat for Scott Wilson swayed it shares in the engineering consultancy swooshing on Monday, sending it close to an inclination by 133½ at 253p.

Further the bidding battle came up after the Scott Wilson set an account for the full-year results, depicting near-doubled, pre-tax profits of £18m, which inclined from to £9.4m in the previous year, in spite of the revenue slithering to a £340.4m from £360m.

URS is now willing to get into the pie of Scott Wilson to stretch out its infrastructure potential across all the UK ranging from the markets with long-term growth caliber, entailing the rail and harbors.