"increase in services" is correct and usable in written English.
You can use it when referring to an increase in the number or quality of services available. For example, "Since the merger, the company has seen an increase in services, including the launch of a new online banking feature."
That figure included an increase in services revenue of 7 percent.
"It's not like we saw an increase in services or better roads," Mr. Smith said.
Mr. Feiner maintains that he has always looked out for the villages, pointing to an increase in services during the 14 years of his administration.
Investors were particularly relieved with the increase in services contracts, an early indicator of future revenue from outsourcing and other technology projects.
The service sector grew at a slightly stronger pace in January than in December, a private industry group said yesterday, amid the first increase in services hiring in nearly two years.
Separately, the United States current account deficit narrowed in the fourth quarter, aided by an increase in services exports and more income earned abroad, the Commerce Department reported Thursday.
A second reason for upgrades is the increasing in-service time being demanded from all aircraft.
As shown in the above table, the highest increase in service coverage was on EPI coverage followed by CPR and Potential Health Service coverage.
The airlines have argued that the combined carrier would lead to an increase in service in a number of destinations not served by either of the carriers.
PWC's latest research, produced in partnership with the Institute of Fundraising and the Charity Finance Group (CFG), revealed 69% of service delivery charities experienced an increase in service demand in the past year.
