"comparatively successful" is a correct and usable phrase in written English.
It is typically used to compare the level of success achieved by someone or something in relation to others or to a previous state. Example: Although the company faced many challenges, their latest product launch was comparatively successful compared to their previous attempts.
(When excluding comparatively successful public-sector unions, less than 7 percent of workers are now organized).
Through this comparatively successful period, Sky lived at Camp Victory, choking on a "parochial and paranoid" military worldview, ears filled with the inane propaganda of the American Forces Network, and negotiating an absurd realm of acronyms.
One reason why Agency.com was comparatively successful this quarter was that only 2% of its revenue came from dot coms.
Scotland's higher education sector is comparatively successful, with five universities in the world's top 200 and research funding that outstrips its share of population.
We desperately need to find ways to bring to scale the few comparatively successful models for development that are available.
It continued Friday with D'Antoni seriously questioning the Lakers' defensive commitment and saying he no longer wanted to field questions about their comparatively successful offense.
Djokovic, Soderling, Tomas Berdych, David Ferrer and Stan Wawrinka have all done well on clay and elsewhere, although there are still anomalies like Andy Murray and Andy Roddick, who have been comparatively less successful on clay.
In Asia and Africa and in the Caribbean, many former colonies of Great Britain, such as India, Nigeria, Zambia, and Jamaica, have been comparatively more successful in the operation of constitutional government than former colonies of the continental European countries (e.g., Indonesia, Congo, and Haiti).
There appears to be a "Goldilocks zone" of total pre-Series B funding between $10 million and $16 million where startups are comparatively more successful at raising Series B rounds.
While Rovio Entertainment was comparatively more successful than OMGPOP before debuting its household name title on the iPhone in 2009, it's unfathomable that the once obscure Finnish developer would be valued for as much as $6 billion without the success of Angry Birds and its offspring.
