Vacancy ticked up slightly in Greater Boston’s office market in the second quarter, while occupancy declined by less than 0.5 percent and the average asking rent dipped by 10 cents, according to commercial real estate services firm Jones Lang LaSalle.

However, several major occupiers in Boston’s downtown and suburban submarkets made key leasing decisions that will impact the region for years to come.

Overall, office market conditions remained weak, but fundamentals continued to stabilize in a majority of submarkets over the quarter, the company said.

"The Boston office market will remain tenant favorable through the end of the year, but with gradual improvement in market conditions going forward, the window of opportunity for tenants will slowly begin to close," the report said.

The firm predicts local employment will grow over the next several years, but the financial service industry, a key office user, will lag.