Available exclusively to one group at a time, this Grade II-listed 16th-century manor sits within 22 acres of gardens, orchards and ancient woodland, and runs entirely on solar power. The Great Hall doubles as conference room and cocktail lounge, fitted with state-of-the-art AV, while the Speakeasy, Library and Creative Studio give teams room to break out. B Corp certified, Shore Hall is built specifically for strategic planning sessions and away days.

Hired exclusively, never shared with another party, this eco-architecture retreat sits inside Wicklow National Park near Glendalough and sleeps up to 46 across cottages, shepherd's huts and lodge rooms. The Roundhouse holds 60 presentation-style or 26 for yoga, while The Shed serves wood-fired dining for up to 26 with an outdoor terrace. Solar-powered and A1 BER-rated throughout, it's built for offsites that lean into the outdoors — guided hikes and foraging included.

Built in 1820 for the artist Charles Norris and later home to relatives of Prime Minister Stanley Baldwin, this Pembrokeshire house is positioned as a corporate retreat venue, hired in full for groups of up to 30. Nautical touches run through the interiors, alongside a Sky Room conservatory, billiard room with wood-burning stove, cinema room and music studio. Gardens, woodland and terraces lead down towards Waterwynch Bay, giving teams a coastal reset without leaving the grounds.

Thirty minutes south of Edinburgh, this exclusive-use corporate retreat venue converts a historic steading, clock tower and all, into two barn spaces — The Hayloft and The Threshing Barn — seating up to 100 theatre-style with modern PA systems and configurable layouts. A breakout area and the on-site Pumphouse Bar, pouring the estate's own Wermod Dry Vermouth, give teams somewhere to decompress. It sleeps 28 across 14 rooms and cottages, clay pigeon shooting included.

Cut off from the mainland by a Roman-built causeway — or reached by river taxi when the tide's in — this 550-acre private island in the Blackwater Estuary can be hired in full for corporate events. Five miles of private beach surround the Manor House's old-school grandeur, making for a setting few teams will have worked from before. For a group after genuine isolation and no passing foot traffic, Osea's appeal is the cut-off itself.

Set within a 23,000-acre private reserve in the Highlands, this Victorian lodge pairs antique-filled interiors — a baby grand piano, open fires, bay windows over the glens — with total seclusion for exclusive-use group stays. The Willow Centre is a dedicated studio for workshops and group discussions, holding up to 18. Alladale Lodge alone sleeps 14 across seven bedrooms, with Eagle's Crag and Ghillie's Rest offering further capacity for larger retreats.

Spread across 173 acres of rewilded land near Frome, this sustainability-led retreat can be hired whole or by half for corporate groups of seven upwards, sleeping up to 30 across its bedrooms. The Group Room and Snug offer round-the-clock exclusive access with a projector and sound system, while the Mongolian Yurt seats up to 30 around a wood-burning stove for workshops or team dinners. Meals are farm-to-table, much of it grown on-site.

Built in the Highland Baronial style, this lochside retreat pairs loch views with a nature-inspired interior — log-burning stoves warm the dining room and lounge, and forest trails lead straight from the door. The on-site Wild Spa offers sauna, hot tub, massage and yoga classes, a quieter counterpoint to a packed agenda. Set within Loch Lomond & The Trossachs National Park, it suits a smaller group looking to combine downtime with real distance from the office.

This former Guinness family residence on the shores of Lough Corrib hosts corporate events and incentive groups across five distinct spaces, from the Ardilaun Suite (88 theatre-style, 21 boardroom) to an on-site cinema seating 32. The ground-floor Connaught Room looks straight over the lough and gardens — useful for a session that shouldn't feel like one. With 83 rooms and suites across the castle, plus The Boathouse, it suits residential retreats with five-star expectations attached.

On the shore of Ullswater, this 18-acre lakeside hotel swaps conference-room clichés for a private dining room with a 55-inch presentation screen (seating 20) and a woodfired Glasshouse that flexes from a 30-guest sit-down dinner to a 50-person stretch-tent reception. The whole property — 47 bedrooms, three dining venues and direct lake access — can be hired exclusively for company retreats and brand launches, with the team on hand to plan dining and room flow around the day. Between sessions, guests can paddleboard, kayak or swim straight off the shore, or book the Glasshouse as a practice space for a yoga or wild-swimming add-on. WiFi runs throughout, including the outdoor spaces.