Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information Constant Security Services ← View details Constant House, Cliff Street, Rotherham, South Yorkshire S64 9HU, United Kingdom, Maltby, England