Accelo vs Trello

Side-by-side from the Top 11 rankings of The 11 Best Project Management Software for Agencies and The 11 Best Project Management Software. Last verified June 8, 2026.

The short answer

Trello ranks higher on Top 11 (#7 vs #8) for Agency owners and managers choosing project management tools (ClickUp vs Asana vs Monday for agencies) / Teams planning work, tasks, and timelines. The easiest-to-use Kanban tool, perfect for simple task management.

At a glance

AcceloTrello
Top 11 rank#8 / The 11 Best Project Management Software for Agencies#7 / The 11 Best Project Management Software
Score (out of 9.4)7.88
Best forAutomating client work and retainersSimple, visual Kanban boards
Pricing$$$$ ($50 to $99/user/mo)$ ($5 to $17.50/user/mo)
HQSan Francisco, USANew York, USA
Founded20092011

Accelo

Excellent for automating retainer management, from sales and projects to billing.

www.accelo.com

See full entry in The 11 Best Project Management Software for Agencies

Trello

The easiest-to-use Kanban tool, perfect for simple task management.

www.trello.com

See full entry in The 11 Best Project Management Software

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.