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Celestica Business Segments

Business, geographic, and product segment breakdowns

Celestica generates $13.8B in annual revenue across 2 key segments: ATS ($3.2B), and CCS ($10.6B). The company-wide operating margin is 8.59%. Based on the Q1 2026 filing.

ATS (TTM)$3.2BCCS (TTM)$10.6B
Latest FilingQ1 2026
Report Date2026-04-27
Market Cap$44.4B
P/E Ratio46.28
ROE52.45%

Business Segments

Cost of Sales

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
CCS$1.5B$1.6B$1.8B$2.1B$2.5B$2.9B
ATS$746.7M$726.5M$726.1M$698M$725.5M$710.3M

Financial assets accounted for as sales, number of participating customers

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
ATS2.00———2.00—
CCS1.00———1.00—

% of total

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
CCS—70.0%72.0%76.0%2.0%80.0%
ATS—30.0%28.0%24.0%—20.0%

Operating Income (Loss)

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
CCS$136.6M$147.1M$171.2M$199.4M$240.2M$277.2M
ATS$37M$40.7M$43.5M$42.8M$42.1M$48M

Other segment costs

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
CCS$84.1M$63.7M$73.5M$92M$101.6M$85.4M
ATS$22.1M$40M$49.5M$40.2M$27.5M$47.7M

Revenue

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
CCS$1.7B$1.8B$2.1B$2.4B$2.9B$3.2B
ATS$805.8M$807.2M$819.1M$781M$795.1M$806M

Segment margin, percentage

SegmentQ4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26
CCS0.2%8.0%8.3%8.3%—8.6%
ATS—5.0%5.3%5.5%—6.0%