Spirent Communications Posts Robust H1 Results

Spirent Communications (SPT.L) reported a resilient H1 2025, with adjusted profit before tax climbing 31% to $8.9 million and adjusted EPS up 38%, despite a reported net loss of $12.8 million attributed to non-operating and acquisition-related expenses. Revenue grew 5% to $208.1 million, fueled by strong momentum in AI Data Centre solutions and next-generation Ethernet, which also drove a 9% increase in order intake and a 130 basis point expansion in gross margin to 71.3%. This operational strength, supported by a 20% rise in closing cash to $157.3 million and sustained demand from hyperscalers and defense sectors, highlights Spirent's strategic positioning within high-growth technology testing markets.

Analysis

Spirent Communications (SPM) demonstrated resilient underlying performance in its first-half 2025 results, navigating macroeconomic headwinds effectively. While the company posted a reported loss before tax of $12.8 million, this figure was skewed by non-operating and acquisition-related expenses. The more telling metric of core health is the adjusted profit before tax, which climbed 31% year-on-year to $8.9 million, supported by a 50% increase in adjusted operating profit. Top-line growth was solid, with revenue rising 5% to $208.1 million, driven by strong demand in high-growth segments such as AI Data Centre solutions, Wi-Fi 7 testing, and next-generation Ethernet. Forward-looking indicators are positive, with the orderbook growing 9% to $310.1 million, signaling sustained demand. Furthermore, operational efficiency improved, evidenced by a 130 basis point expansion in gross margin to 71.3% and a 20% increase in the closing cash position to $157.3 million, strengthening the balance sheet.

Key Decisions for Investors

• Investors should prioritize the company's adjusted profit metrics over the reported loss, as the 31% growth in adjusted pre-tax profit and 130 basis point margin expansion provide a clearer view of core operational health.
• The 9% year-on-year growth in the orderbook to $310.1 million serves as a key positive leading indicator for future revenue, and sustained order intake from AI and hyperscaler clients should be monitored.
• Given Spirent's exposure to durable growth trends in AI, high-speed Ethernet, and defense, it is prudent to assess its valuation relative to peers in the technology test and measurement sector.