Helmsdale began as a busy herring port, with its small harbour set on the Moray Firth at the mouth of the river. Archaeological evidence shows extensive prehistoric settlement in the area. Later, Norse settlers gave the village its name, Hjalmundsair—meaning “the valley of Hjalmund”—which appears in the Icelandic Sagas.

During the early medieval period, people built a refuge here for pilgrims travelling north to St Magnus Cathedral in Orkney. In 1488, the Earls of Sutherland constructed a hunting lodge at West Helmsdale. In 1615, they rebuilt it as a castle. However, over time, these early structures disappeared, as developers either demolished them or buried them beneath the modern village layout.

In the early 1800s, planners redesigned Helmsdale as a structured settlement with a regular street pattern. They built it specifically for crofters who had been cleared from inland straths during the Highland Clearances. In 1811, Thomas Telford oversaw the original stone bridge over the river Helmsdale. Although the modern A9 now bypasses it, the original Thomas Telford bridge remains in use.

As the 19th century progressed, Helmsdale grew into an important staging post for travellers. Inns and hotels quickly appeared. At the same time, the village strengthened its role as a centre for herring fishing. In 1824, an icehouse was constructed in the village of Helmsdale. The building remains to this day and is a key reminder of the herring fishing industry.

In 1874, Helmsdale railway station opened. The north line connecting Helmsdale village to Thurso and Wick and the south line to Inverness. This created a significant boost for the fishing industry. It also helped to promote the village of Helmsdale as being an ideal tourist destination.