Working Wales is hosting the event at the Careers Wales Centre on Wednesday, October 9, from 9.30am to 4pm.
The event, held at Egerton House on Rhosddu Road, is free and does not require prior booking.
People are welcome to drop in at any time during the day to access the various services and sessions available.
These include careers advisers offering instant advice to those seeking guidance, as well as the chance to have a CV reviewed one-to-one by a professional.
Group sessions on interview skills will also take place, providing tips on how to present oneself during interviews.
Public access computers will be available, featuring various career-related websites and online skills resources.
A vacancy board will display current job opportunities, and a QR code will be provided for signing up to the latest vacancy bulletins.
Working Wales, which is delivered by Careers Wales and funded by the Welsh Government, provides careers guidance and employability support to those aged 16 and above.
For more information about Working Wales and how to access careers support, visit the Working Wales website, call free on 0800 028 4844, speak to an adviser via webchat, or email workingwales@careerswales.gov.wales.
Louise Evans, Working Wales team manager, said: “Our open day in Wrexham is a great opportunity for individuals from the area to receive practical, tailored support in a relaxed and welcoming environment.
“Our team is here to provide practical, hands-on support to help people take the next step, whether that’s improving CVs, getting ready for an interview, or simply exploring new opportunities.
“What’s best about this event, is that everyone is welcome to drop in, access instant careers support, and leave feeling more confident about their future.”