Brett has been appointed as head of mortgage and lending, and was previously business development manager (BDM) at Responsible Life.
He will lead the lending division as the business plans to grow in mortgage, equity release and secured loans.
Marshall has been hired as BDM, and has more than a decade of experience working in the UK affiliate marketing industry.
He will work on both sides of the Contact State business, growing the accounts of lead buyer and lead sellers, educating and integrating new clients as well as offering industry leading, lead generation advice.
Alain Desmier, managing director of Contact State, said: “Tom and Matt are senior hires and have extensive financial services experience, we are thrilled they’ve chosen to join us ahead of what will be a very important year for our business.
“We are building unstoppable momentum to make the lead generation industry safer and fairer for innovative lead sellers, ambitious lead buyers and most importantly, the consumer.”