SAN FRANCISCO—GolinHarris has added four new accounts to its technology practice. Adding to Golin’s business-to-business technology roster are Symmetricom, a leading source of highly precise timekeeping technologies; SDL, a leader in customer engagement management; Tier 3, a leading enterprise cloud platform provider; and Cloverleaf Solar, a start-up focused on developing commercial photovoltaic power generation systems.

NEW YORK—Gibbs & Soell has expanded its consumer lifestyle and building solutions client roster with new accounts. The agency has recently been selected to partner with Hafele America Co., a high-end hardware product and service supplier; HomeServe USA Corp., an emergency home repair service provider; and Rexel, a worldwide distributor of electrical supplies.

NEW YORK—R/GA has been appointed global digital agency of record for Unilever’s deodorant brand Rexona. The agency will be responsible for the comprehensive digital strategy across Rexona’s global portfolio including Degree, Rexona and Sure. R/GA has also been added to Unilever’s global digital roster and in addition to Rexona, will be working with other leading consumer brands including Impulse.

NEW YORK—The Morris + King Company has been retained by tracx, a system designed to provide professional users with all the tools necessary to build, manage and monetize their social presence. MKC will develop and execute a comprehensive public relations campaign on behalf of tracx drawing on the firm’s expertise in both the technology and business sectors.

CHICAGO—Zapwater Communications has been retained by ACME Hotel Company for media relations, strategy development and grand opening event planning. Owned and operated by Neighborhood Development Corporation, the ACME Hotel is a boutique hotel set to open in Spring 2012.

ATLANTA—Arketi Group has been chosen by PrimeRevenue, a leading software-as-a-service platform for supply chain finance, as its agency of record. Arketi recently developed a new website and produced a video for PrimeRevenue to launch the company’s new positioning and offering. Arketi is applying both traditional and digital marketing practices, which will soon extend into public relations initiatives.

NEW YORK—Camelot Public Relations & Marketing Communications has added clients to its beauty and personal care and consumer home and building products divisions. The firm will be spearheading a strategic integrated marketing campaign, including traditional and digital media relations, brand awareness, product integration, and co-branding partnerships for EpiladyUSA, Smart Vent, and LED Technologies.

NEW YORK—Trylon SMR has been selected by Spectrio as agency of record for its media relations requirements. Spectrio creates and delivers a variety of multimedia marketing solutions through its in-house production and service capabilities.

NEW YORK—5W Public Relations has added CAG Beauty, the holding company for Jonathan Product, to its roster of beauty brands. 5WPR will execute a comprehensive public relations program designated to increase awareness of the company’s brands.