Gamma Communications posts a pre-tax profit of £10.6m for the six months to the end of June - 39.5% up on a year ago.
Revenues rose by 13.3% to £104.7m and EBITDA increased by 33.0% to £14.9m.
Adjusted pre-tax profits rose to £12.0m from £9.4m while adjusted EBITDA increased by 25.4% to £16.3m.
Chief executive Bob Falconer said: "We are very pleased with the progress we have made across several fronts in the first half of 2016. Our strategic products have continued to add volume and we are seeing an acceleration in the take-up of our data services.
"Getting our new full MVNO mobile capability ready for service by June as planned has been a major achievement and positions the business extremely well for the future."
At 9:49am: (LON:GAMA) Gamma Communications Plc share price was +12.75p at 477.5p