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Gillespie Group Marketing & Advertising

Philadelphia advertising agency joining creative, production and media buying into single campaigns for local organisations

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About Gillespie Group Marketing & Advertising

In Philadelphia, Gillespie Group Marketing & Advertising treats creative work and media planning as one job. Its planners and buyers, designers and editors, account managers and artists work together from the start, so that a campaign's message and its placement are settled within one strategy.

Creative and media kept in one strategy

The agency says advertising, marketing and communications all depend on bringing creative, media and strategy together. It pulls creative and production, media planning and buying, and strategy and execution into one focused plan, on the basis that ad budgets work hardest when they work together.

Outdoor and vehicle advertising

Outdoor work is a large part of the portfolio. Campaigns have used billboards, posters, inserts and yard signs, bus wraps, bus vinyl and vehicle vinyl. Trade show signage includes LED displays, and the agency has produced billboard, outdoor and bus campaigns for several car dealerships.

Broadcast, print and web work

Beyond outdoor work, the agency produces radio and television advertising, including a radio spot for a Philadelphia Orchestra date night and a television ad campaign for a car dealership. Print work includes annual reports, a comic-book-style brochure, corporate books, stationery and collateral design. The agency also designs websites for non-profit and business clients.

Clients in health, the arts and public causes

Among the organizations the agency has worked for are Our Lady of Hope, Out of School Time, the Police Athletic League of Philadelphia, the Catholic Charities Appeal and The Philadelphia Orchestra. Catholic Health Care Services appears in several campaigns, including a multi-part campaign and a website. Business clients include O'Brien Greene & Co. and Russell Remediation & Stucco Repair.

Convergence as the organizing principle

Convergence is the organizing principle, the agency says: planners, designers, buyers and account managers share one brief, and the combined experience of the team across years of work drives its campaigns.

TrustList summary

Gillespie Group Marketing & Advertising is a Philadelphia ad agency that runs creative and media work together rather than as separate jobs. Its planners, buyers, designers, editors, account managers and artists work as one team to turn a strategy into finished campaigns.

What Gillespie Group Marketing & Advertising offers

  • Creative and production: TV and radio spots, print, brochures, annual reports, stationery and trade show signs.
  • Media planning and buying: placing campaigns across broadcast, print and outdoor channels.
  • Outdoor advertising: billboards, posters, yard signs, bus backs, bus wraps and vehicle vinyl.
  • Websites: site design for non-profit and business clients.
  • Strategy and execution: planning a campaign and carrying it through to launch.

Clients

Its portfolio includes the Philadelphia Orchestra, Catholic Health Care Services, the Catholic Charities Appeal, the Philadelphia Children's Alliance, the Police Athletic League of Philadelphia and several car dealerships, including Barber Ford and Sheridan Ford & Nissan.

Key facts

  • Based in: Philadelphia, Pennsylvania, United States
  • Agency type: full-service creative and media agency

Summary written by TrustList from the business's own published information, Nov 2026.

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