UK Economy Surprises With 0.4% July Growth as Services and AI Activity Accelerate

LONDON — Britain's economy grew 0.4% in July, delivering a stronger start to the third quarter than economists expected. The Office for National Statistics said the monthly increase followed growth of 0.3% in June and no growth in May. A Reuters poll had pointed to a flat July. The surprise matters in the City because it changes the starting point for forecasts on interest rates, corporate earnings and the government's October budget, even if one month's data cannot settle the broader outlook.

Services were the main engine, expanding 0.4% during the month, while production increased 0.2% and construction rose 0.1%. Computer programming made the largest contribution inside services. The ONS also said some businesses reported benefits from activity associated with artificial intelligence, while warm weather and the men's football World Cup produced mixed effects across industries. Those details suggest the gain was broad enough to be meaningful, but not evenly shared across the economy.

The less volatile three-month measure also showed 0.4% growth in the period to July compared with the previous three months. Services output rose 0.6% on that basis, while production and construction each declined 0.5%. That contrast is important. Britain's service economy can generate headline expansion while factories and builders experience weaker demand, higher costs or delayed investment. London benefits from strength in professional and digital services, but national resilience depends on more than one cluster.

Output in July was 1.6% higher than a year earlier, according to the ONS data reported by Reuters, the fastest annual rate since February 2025. Britain also grew 1% across the first half of 2026, the quickest pace among the Group of Seven advanced economies. Some analysts caution that seasonal effects may explain part of that comparison. The data are encouraging, but they do not erase a longer record of weak productivity growth or the pressure on household budgets.

Markets will examine the figures alongside rising energy prices and government borrowing costs. Oil moved above $105 a barrel this week as the conflict involving Iran continued to disrupt the global outlook. Higher energy costs can lift inflation, squeeze margins and reduce consumer spending power. They can also make central banks less willing to cut interest rates. A better GDP number is therefore arriving beside a renewed inflation risk rather than in a calm economic environment.

The Bank of England forecast in July that the economy would grow 1.1% across 2026. Governor Andrew Bailey told lawmakers this week that incoming data had been somewhat stronger than he expected. The central bank's next decision will require officials to distinguish durable demand from temporary boosts. Stronger activity may support employment and investment, yet it can also reinforce concern that inflation will remain above target if energy and wage pressures continue.

For London companies, the sector mix offers both opportunity and warning. Firms connected to software, data infrastructure and AI investment appear to be supporting growth. That can feed demand for finance, legal services, offices and specialized talent across the capital. It also concentrates expectations in a fast-moving area where investment can be uneven. Businesses outside the technology ecosystem may not experience the same momentum, particularly if borrowing and transport costs remain elevated.

The fiscal context is equally important. Chancellor John Healey is preparing a budget for October 28 while bond yields sit at levels not seen for many years. Stronger growth can improve tax receipts and reduce immediate recession anxiety, but higher government financing costs can consume that benefit. Investors will be watching whether the new data change official forecasts, spending choices or the scale of any tax measures under consideration.

Sterling showed little immediate movement after the release, reflecting the cross-currents. Growth beat expectations, which can support a currency, but the oil shock and rate outlook complicate the message. Economists quoted by Reuters were divided over whether the expansion would persist. The next labor-market, inflation and retail figures will help reveal whether July marked a genuine acceleration or a temporary concentration of activity in a few service categories.

July's report gives Britain a welcome upside surprise, not a victory lap. The useful conclusion is narrower: the economy entered the third quarter with more momentum than forecasters assumed, led by services and computer programming. London businesses should now watch whether that strength reaches hiring, investment and consumer demand, and whether the Bank of England treats it as evidence of resilience or another reason for caution on rates. The answer will shape financing decisions well beyond the Square Mile.