HM Revenue & Customs has beefed up anti-money laundering rules for estate and letting agents.
The government has announced a three-phase rollout, but the first changes will happen in December.
Both companies are up for Supplier of the Year categories at the Negotiator Awards.
Politicians are already working on a national registration system, but there are more rules coming.
The sector could provide much-needed supply for the PRS, but there are obstacles in the way.
Ministers will soon be able to limit local rent increases.