The basics are known by most Canadians: pay your minimum (if not more) balances on time, use your existing credit sparingly, keep building a track record by aging your accounts, limit your hard credit checks, and improve your credit mix.
There are different methods as well that range in their complexity. One tactic is to increase your credit limit. At first glance, this may seem off-colour, but doing so can improve your debt-to-credit ratio so long as you increase your limit and not your spending. If you find yourself drowning in debt, we’ve written an article on debt reduction strategies, which you can read here.